icbcodc
·¢±íÓÚ 2023-1-25 21:01
jeffk ·¢±íÓÚ 2023-1-25 04:53
¿´ÁËÂ¥Éϸ÷ÖÖ¸ßÉîµÄ»Ø¸´Õæ»áÈÃÈËÔε¹£¬ÇëÎÊÄãÃÇËÕæµÄÓµÓо߱¸clockinµÄÉ豸£¬ËÓÖÕæµÄÍæ¹ýword clock£¿´ð ...
ÎÒûÓÐÍæ¹ý¶ÀÁ¢Ê±ÖÓ£¬Èç¹ûÄãÍæ¹ý£¬ÄÜÂé·³·ÖÏíϾÑéÒÔ¼°Ð§¹ûÌý¸ÐÂð£¿
icbcodc
·¢±íÓÚ 2023-1-25 21:16
ľ¶úÓû§ ·¢±íÓÚ 2023-1-25 08:33
ÎÒÒ»Ö±ÒÉ»óÏÖÔÚdacµÄʧÕ涼×öµ½Ð¡ÊýµãºóºÃ¼¸¸öÁãµÄ³Ì¶È£¬È˶úÕæµÄÄÜ·Ö±æÆäÖеIJîÒìô¡£ÒÔÇ°¶Ô±È¹ýda10ºÍÎÒ ...
ÎÒÒ»Ö±ÒÉ»óÏÖÔÚdacµÄʧÕ涼×öµ½Ð¡ÊýµãºóºÃ¼¸¸öÁãµÄ³Ì¶È£¬È˶úÕæµÄÄÜ·Ö±æÆäÖеIJîÒìô¡£ ²»Í¬µÄµç×ÓÔª¼þ£¬²»Í¬µÄµç·Éè¼Æ£¬¼´Ê¹ÓÃͬÑùµÄDACоƬ£¬³öµÄÉùÒôÓ¦¸Ã»¹ÊDz»Í¬µÄ°É¡£²»È»Êг¡ÉÏÔõô»áÓÐÄÇô¶à²úÆ·¡£
ÒÔÇ°¶Ô±È¹ýda10ºÍÎÒµÄ500¿éµÄ±ãЯ£¬Ã»Ìý³öÀ´Çø±ð£¨µ±Ê±µÄ¶ú»úҲȷʵ²»ÊǺöú»ú£©¡£ ÕæµÄûÇø±ðÂð£¿:lol ÎÒ°ÑÀ®°ÈÏß´Ó20¿éÒ»Ã×»»µ½70¿éÒ»Ã׵ģ¬¶¼ÄÜÌý³öÖÐƵºÍ¸ßƵ±ä»¯ÁË¡£
µ«ÊÇ¿´µ½ÄÇô¶à¸ß¼ÛÉ豸£¬ÓÐÇ®ÈËÒ²²»»á¶¼ÊÇɵ×Ó°É¡£ÎÞÄÎСÏسÇûµØ·½ÊÔÌý£¬Õâ¸öÐÐҵҲûÓÐרҵµÄÂÛÎĽâ»ó¡£ ¸ß¼ÛÉ豸ÒѾÊÇÒôÀֻطÅÉݳÞÆ··¶³ëÁË£¬²»Äܼòµ¥Ì×ÓÃÆÕͨÏû·Ñ¼¶É豸µÄ¹ºÂò±ê×¼ÁË¡£¿ÉÒÔ³¢ÊԳе£Íù·µÓÊ·ÑÊÔÌýµÄ£¬¶ú¶äÊÕ»õ¡£
icbcodc
·¢±íÓÚ 2023-1-25 22:06
Shiwdb ·¢±íÓÚ 2023-1-25 11:34
¶¶¶¯ÔÚÒôƵӰÏì·½Ã棬ÓÐÁ½¸ö»·½Ú£ºµÚÒ»¸ö»·½ÚÊÇÄ£Êýת»»»·½Ú£¬µÚ¶þ¸ö»·½ÚÊÇÊýģת»»»·½Ú¡£
...
¶¶¶¯ÔÚÒôƵӰÏì·½Ã棬ÓÐÁ½¸ö»·½Ú£ºµÚÒ»¸ö»·½ÚÊÇÄ£Êýת»»»·½Ú£¬µÚ¶þ¸ö»·½ÚÊÇÊýģת»»»·½Ú¡£ Ôڲο¼Èý£º¡¶Jitter Theory ¶¶¶¯ÀíÂÛ¡· - by Julian Dunn2000Äê(¾ÍÖ°ÓÚAPÒôƵ²âÁ¿Òǹ«Ë¾) ÀïÃæÓзdz£ÏêϸµØÂÛÊö¶¶¶¯µÄÀ´Ô´¡£
¼òµ¥Ëµ£¬Ò»¸ö»·½ÚÊDzÉÑù£¨°üÀ¨ADCºÍDACµÈ£©£¬ÁíÒ»¸ö»·½ÚÊÇÊý×Ö½Ó¿Ú£¨°üÀ¨Êý¾Ý·¢ËͶ˺ͽÓÊն˵Ķ¶¶¯¡¢Ï߲ĵÄÏß·ËðʧÒÔ¼°ÔëÉùºÍÆäËûÔÓÉ¢ÐźŶ¼»áÔì³É¶¶¶¯£©
´Ó»¹ÔÒôƵµÄ½Ç¶È³ö·¢£¬Ìá¸ßÁËÄ£Êýת»»»·½ÚµÄʱÖÓ¾«¶È£¬ÔÙÈ¥Ìá¸ßÊýģת»»»·½ÚµÄʱÖÓ¾«¶È²Å¸üÓÐÒâÒå¡£ ÎÒÀí½â£¬Èç¹û»Ø·Åʱ£¬Ê¹Óô¿Êý²¥½âÂëÒ»Ìå»ú£¬»òÕßÊý²¥ºÍ½âÂëÊÇÊý×Ö·½Ê½Á¬½Ó£¬Ó¦¸Ã¾ÍÖ»ÐèÒª¹Ø×¢Êýģת»»²¿·Ö£¬¶ø²»±Ø¹ØעģÊýת»»ÁË°É¡£
²¥·ÅÊý×ÖÒôÀÖʱ£¬ÒôƵÊý×ÖÐźÅÔÚ´«Êä¹ý³ÌÖÐÓ涶¯£¬µ«ÊÇÓ°ÏìÒôÖʵĶ¶¶¯Ö»·¢ÉúÔÚÊýģת»»»·½Ú¡£ÕâÊÇÒ»¸öºÜÖØÒªºÜ¹Ø¼üµÄÈÏÖª£¬ºöÂÔÁËÕâ¸öÈÏÖª£¬ÈÝÒ×ÏÝÈëÃÔã¡£ Æäʵ£¬ÎÒ³õʼµÄÒÉÎÊÀ´Ô´ÓÚ£ºÓÃÆ»¹ûÒôÀÖ£¨iPhone11£©Í¨¹ýÏà»úÌ×¼þÒÔUSB½Ó¿ÚÁ¬½ÓUSBÊý×Ö½çÃ棬Êý×Ö½çÃæÔÙͨ¹ýI2S»òÕßS/PDIFͬÖ᷽ʽÁ¬½Óµ½DAC£¬ÕâÑùµÄÒ»¸ö»Ø·Å³¡¾°£¬ÎªÊ²Ã´USB½çÃæÒªÓõ½AS318B»òÕßAS338BÕâÖÖ·ÉÃ뼶±ðµÄʱÖÓ£¬¶ø²»ÊÇƤÃ뼶±ðµÄʱÖÓ£¬ÎÒÃÇÄÜÌý³öns»òÕßps¼¶±ðµÄ¶¶¶¯Âð£¿
Êýģת»»»·½ÚÒÀÀµµÄʱÐò£¬ÊÇÓÉ»úÄÚ¾§ÕñʱÖÓ²úÉú²¢·ÖƵ´«µÝ¶øÀ´£¬»òÕßÓÉÊý×ÖÐźÅʱÐò´«µÝ¶øÀ´£¨»òÓÐËøÏà»·ÐÞÕý£©¡£Êýģת»»Ê±¿ÌµÄʱÐò£¬ÑϸñÀ´Ëµ£¬Ò»°ãÊDz»¿É²âµÄ£¬ÒòΪ¸ÃʱÐò·¢ÉúÔÚ¼¯³Éµç·ÄÚ²¿µÄÊýģת»»µç·£»Í˶ø²âÁ¿¼¯³Éµç·ʱÖÓÊäÈë¶ËµÄʱÐò¡¢Ê±ÖÓµÄʱÐò¡¢ÐźÅÊäÈëµÄʱÐò£¬×÷ΪÑо¿µÄ¶ÔÏó¡£
Êǵģ¬²Î¿¼Èý£º¡¶Jitter Theory ¶¶¶¯ÀíÂÛ¡·£¬Ìáµ½¶¶¶¯Ò»°ãÓÃÑÛͼÀ´Õ¹Ê¾ , ¡°ÑÛµÄ×óÓÒÕ£¬¾ÍÏÔʾ³öÁËJitter¡±£¬ÕâÒ»µãÎÒ²»ÊÇÌ«Àí½â¡£
ΪʲôÊÐÃæÉϵÄUSBÊýģת»»°å¿¨ÉÏ£¬ÓÐÈý¸ö¾§Õñ£¿¾ÍÔÚÓÚUSBÊý×ÖÐźŽÓÊÕ´¦Àí×Ô¼ºÒ»¸ö¾§Õñ£¬ÓÃÓÚÒì²½¹¤×÷¶øÏû³ý֮ǰÐźŴ«Êä¹ý³ÌÖÐÀÛ»ýµÄÊý×Ö¶¶¶¯¡£ÁíÍâÁ½¸ö¾§Õñ£¬ÓÃÓڵõ½44.1KHz¡¢48KHzµÄʱÐò£¬Ìṩ¸øÊýģת»»Ä£¿é¡£ ÎÒµÄÒÉÎÊÊÇ£ºUSB½çÃæÈç¹û²»Ê¹ÓÃRCAÊä³ö£¬Ö»ÊÇÓÃS/PDIF»òÕßIISÊý×ÖÊä³ö£¬ËüÓ¦¸Ã¾ÍûÓÐÓõ½Êýģת»»¹¦ÄÜ°É£¿·´¹ýÀ´£¬Èç¹ûÎÒÖ»ÓÃÊý×Ö½çÃæµÄÊý×ÖÊä³ö£¬Âò²»´øRCAÊä³ö½Ó¿ÚµÄÊý×Ö½çÃ棬ÊDz»ÊǾÍÊ¡µôÁËDACоƬµÄ³É±¾£¿
qazpl963
·¢±íÓÚ 2023-1-26 04:46
±¾Ìû×îºóÓÉ qazpl963 ÓÚ 2023-1-26 06:04 ±à¼
icbcodc ·¢±íÓÚ 2023-1-25 20:59
ÀÏÐÖ£¬ÑµÀÊý×ÖÐźţ¨ÒôƵÎļþ£©¾Í²»¿ÉÒÔÔÚÒôƵÈí¼þÉÏÏÔʾ³öÄ£ÄâµÄ²¨ÐÎÂ𣿲»ÄÜÒòΪËû·ÅÁËÒ»ÕÅÓ� ...
¡°ÀÏÐÖ£¬ÄѵÀÊý×ÖÐźţ¨ÒôƵÎļþ£©¾Í²»¿ÉÒÔÔÚÒôƵÈí¼þÉÏÏÔʾ³öÄ£ÄâµÄ²¨ÐÎÂ𣿲»ÄÜÒòΪËû·ÅÁËÒ»ÕÅÓò¨ÐÎÑÝʾÈçºÎ¼ÓÈëÈ˹¤Ä£ÄâµÄJitter£¬½ø¶øÐγÉÊý×ÖÒôƵʧÕæµÄͼƬ£¬¾ÍÈÏΪJitterÊÇÔÚÄ£Äâ¶Ë¼ÓÈëµÄ°É¡£Ö»²»¹ý£¬ÎÄÕÂûÓÐÌá¾ßÌåµÄ¼ÓÈ뷽ʽ£¬Ö»¼òµ¥ÑÝʾÁ˼ÓÈ붶¶¯µÄÔÀíºÍµ¼ÖµÄʧÕæ¡£¡±²»ÄÜ£¬Êý×ÖÐźźÍÒôƵÎļþÊÇ2»ØÊÂÇé¡£¡£ÒôƵÎļþÊÇÊý×Ö0ºÍ1£¬¶øÊý×ÖÐźÅÊÇÔõô´«µÝ0ºÍ1£¨±ÈÈç˵5VΪ1£¬3VΪ0£¬0VΪc£©£¬ÄãÔÙÔõô¸ÄÊý×ÖÎļþÒ²ÎÞ·¨Ó°Ïìµ½Êý×ÖÐźŵÄJITTER¡£
¡°ÎÒÏë¿ÉÄÜÊÇÄã˵µÄ·½Ê½°É¡±
Õâ²»ÊÇÎÒ˵µÄ·½Ê½£¬ÎÄÖÐÃ÷È·Ìá¼°£¬Äã¿ÉÒÔ¿´µ½Í¼ÖеÄoriginal data£¬data with jitter£¬new data¡£¡£È»ºóÄ㻹¿ÉÒÔ¿´µ½ËäÈ»data with jitterÓÐÏàλ²î¡£¡£µ«Êǵ½ÁËnew dataÕâÀï¾Íͨ¹ýËã·¨¼ÆËã¼ÓJITTERºóµÄ²¨ÐΣ¨ÓëDATA WITH JITTERµÄ²¨ÐÎÒ»Ö£©£¬×îºóµ¼ÖÂÖ»ÓÐÏì¶È²îÁË£¨Êµ¼ÊÉÏûÓÐÔö¼ÓÈκÎÏàλ²î£¬¹À¼ÆÊÇÒòΪÂëÂÊ°É£¬Èç¹ûÊÇÎҵĻ°¿ÉÒÔͨ¹ýÉýƵÀ´Ôö¼ÓÏàλ²î£¬±£Ö¤±ÈËûµÄ¸ü¼Ó¿¿Æ×£©¡£¡£¡£Õâ¾ÍÊǺÜÃ÷ÏÔµÄÐÞ¸ÄÊý×ÖÎļþ¡£¡£ÖÁÓÚ²¨ÐÎÄÇÊÇDAºó³öµÄÄ£ÄâÐźŲ¨ÐΣ¨Í¨¹ýÈí¼þÄ£ÄâËùµÃ£¬µÃ£¬ÏÖÔÚÊǸöºóÆÚÈí¼þ¶¼×Ô´øÕâ¸ö¹¦ÄÜ£¬ÄãËæ±ãÄÃÊ׸趪µ½AU£¬È»ºó°ÑʱÓòÀµ½¸ß¾«¶È¾Í¿ÉÒÔ¿´µ½ÏàͬµÄÐÅÏ¢£©¡£¡£
ËûÕâ¸ö·½·¨Ôö¼ÓµÄJITTERÖ»»áÓ°ÏìÄ£Äâ¶Ë¡£¡£Êý×Ö²¿·ÖµÄ¶¶¶¯¸ù±¾Ã»°ì·¨ÒÔÕâ¸ö·½Ê½Ôö¼Ó¡££¨Êý×Ö²¿·ÖûÓÐͼÖбíʾµÄDATA£¬ÎÞ·¨Í¨¹ýÐÞ¸ÄÊý×ÖÎļþÀ´Ôö¼Ó£¬²¨ÐÎÒ²²»Í¬£©£¬ËùÒÔ¿ÉÒԶ϶¨Ëû¼ÓµÄJITTERÖ»ÄÜÓ°ÏìÄ£Äⲿ·Ö¡£ÖÁÓÚÊý×ÖÐźŴ«²¥µÄ¶¶¶¯Ôõô¼Ó¡£ÎÄÖÐûÓÐÈκÎÌá¼°£¬ÎÒ¿ÉÒÔÈÏΪËûûÓнøÐÐÈκÎÕâ·½ÃæµÄʵÑé¡£Êý×ÖÐźÅÔö¼ÓjitterÐèÒª¸ßƵ¸ß¾«¶Èʾ²¨Æ÷À´²â£¨ÕâÖÖÉ豸ÏÖÔÚÒ²¾Í¼¸Ê®Íò°É£©£¬È»ºó»¹ÐèÒª¸ü¸ßƵ¸ü¸ß¾«¶ÈµÄÉ豸À´Ä£ÄâÔö¼Ó¶¶¶¯£¨ÎÒ²»ÖªµÀÊÇʲôÉ豸£¬Ò²Ðí¸ù±¾¾Í²»´æÔÚ£©¡£¡£
¡°ÒòΪʵ¼ÊA/Dת»»Ê±¡±¡£¡£×÷Ϊ·¢ÉÕÓѹØ×¢AD¸ÉÂï¡£ÎÒÃÇÓÖ²»¸ã¼Òô¡£¡£¡£ADºÍºóÆÚ»·½ÚµÄʱÖÓºÍÎÒÃǵĻطŽ׶εÄʱÖÓ²»ÊÇÒ»¸ö¶«Î÷¡£Óкܶà»Ø·Å½×¶ÎÐèÒª¿¼ÂǵÄÔªËØAD»·½Ú²»ÐèÒª¿¼ÂÇ¡£
¡°ÎÒÀí½âÄã·ÖÎöµÄÊÇ£ºUSB½Ó¿Ú½«Êý×ÖÒôƵ´«Êä¸øºó¶ËÉ豸µÄ¶¶¶¯Ó°ÏìÁËÒôƵÊý¾ÝµÄÕýÈ·ÐÔ¡£²»¹ý£¬ÎÒÕæÕýµÄÒÉÎÊÊÇÔ´ÓÚUSB½çÃæÈçºÎ°ÑUSB½Ó¿ÚÊý×ÖÒôƵת»»µ½S/PDIF»òÕßIIS½Ó¿ÚÒôƵ£¬ÆäÖеÄʱÖÓµÄʵ¼Ê¶¶¶¯µ¼Öµġ°´íÎó¡±»òÕß¡°Ê§Õ桱£¬ÔÚ¶à´ó³Ì¶ÈÉÏÊÇÓ¦¸Ãµ£Ðĵģ¬ÊÇ·ñ»á±ÈADCºÍDAC¹ý³Ì´æÔÚµÄʱ»ù¶¶¶¯¸üÓ°ÏìÌý¸Ð£¿¡±Õâ¸öÎÒÈÏΪÔڸ߶ËÉ豸ÉϺÜÐèÒªµ£ÐÄ£¬ÎÒÓм¸ÍòµÄÉ豸רÃÅ´¦ÀíUSBʱÖÓ¡£²»¹ýÊý×Ö²¿·Ö×îÓ°ÏìÌý¸ÐµÄµ¹²»ÊǶ¶¶¯¡£
¡°ÎÒÀí½âÕâ¸öת»»ÔÚUSB½çÃæÖоͿÉÒÔ´æÔÚ£¬Èç¹û°ÑUSB½çÃæͨ¹ýIIS½Ó¿ÚÁª½Óµ½DACµÄ»°¡£ÎÒÒ²¾õµÃ¶ÔÓÚרҵÈËÔ±À´Ëµ£¬ÕâÖÖת»»²»ÊǺÜÄÑʵÏÖ¡£¡±²»ÊǺÜÄÑʵÏÖ£¬ÊǼ¸ºõûÓÐÄѶȡ£¡£ÊǸö´øUSB½Ó¿ÚµÄDAC¶¼ÊÇͨ¹ýUSB½çÃæתI2SµÄ¡£ÍâÖÃUSB½çÃæÖ»ÊÇ°ÑUSB½çÃæ¸ø¶ÀÁ¢³öÀ´ÁË¡£ÎҸоõÂ¥Ö÷ÐèÒª²¹Ò»Ï»ù´¡¡£¡£¡£
¡°¶øÒ´ÓÎÄÕµÄÆäËûÐÅÏ¢£¬Ëƺõ²»ÄÜÍƶϳöËûµÄµçÄÔ£¬»òÕß²¥·ÅÈí¼þºÜÀõĽáÂÛ°É¡£¡±Õâ¸öÊDz»ÄÜÍƶϣ¬µ«ÊÇÎÒ¿ÉÒÔÍƶ�2004Äê¸ù±¾¾ÍûÓкõÄÊý²¥¡£¡£¶øÇÒËûҲ˵ÁËÊÇÓñʼDZ¾¡£¡£ÎÒ¾ÍÊÇרßã¹ýPCHIFIµÄ£¬ÉõÖÁÏÖÔÚ»¹Ôڸ㡣¡£Ã»Óо¹ýÒôƵÓÅ»¯µÄPCÓжàÀÃÎÒºÜÇå³þ¡£¡£¡£»Ø·Å»·½Ú´ó²¿·ÖµÄ¸ºÃæÌý¸Ð¶¼ÊÇÕâ»õÔì³ÉµÄ¡£¡£
¡°ÀÏÐÖ£¬ÎÒËù˵µÄÎÄÕÂÖеġ°Ä£Äⶶ¶¯¡±ÊÇ¡°·ÂÔìÕæʵ¶¶¶¯¡±µÄÒâ˼£¬ÄãÔõôÀí½â³É¡°Ä£ÄâÐźÅÉϼÓÈ붶¶¯¡±È¥ÁË£¿;P Èç¹ûÎÒÃÇÀí½â²»Ò»Ñù£¬¹µÍ¨ºÜÈÝÒ׳öÎÊÌâµÄ¡£¡±ËûÕâ¸ö·½Ê½Ôì³ÉµÄ½á¹û¾ÍÊÇÔÚDAºóµÄÄ£ÄâÐźÅÀïÔö¼Ó¶¶¶¯£¬ÎÞ·¨Ó°Ïìµ½DA»·½Ú£¨°üÀ¨DA£©Ç°ÃæµÄ¶¶¶¯¡£¶ø¡°·ÂÔìÕæʵ¶¶¶¯¡±Ëû¾ÍÊÇͨ¹ýÄ£ÄâÔÚÄ£ÄâÐźÅÔö¼Ó¶¶¶¯ÊµÏֵġ£
¡°Æäʵ£¬ÎÒ³õʼµÄÒÉÎÊÀ´Ô´ÓÚ£ºÓÃÆ»¹ûÒôÀÖ£¨iPhone11£©Í¨¹ýÏà»úÌ×¼þÒÔUSB½Ó¿ÚÁ¬½ÓUSBÊý×Ö½çÃ棬Êý×Ö½çÃæÔÙͨ¹ýI2S»òÕßS/PDIFͬÖ᷽ʽÁ¬½Óµ½DAC£¬ÕâÑùµÄÒ»¸ö»Ø·Å³¡¾°£¬ÎªÊ²Ã´USB½çÃæÒªÓõ½AS318B»òÕßAS338BÕâÖÖ·ÉÃ뼶±ðµÄʱÖÓ£¬¶ø²»ÊÇƤÃ뼶±ðµÄʱÖÓ£¬ÎÒÃÇÄÜÌý³öns»òÕßps¼¶±ðµÄ¶¶¶¯Â𣿡±Êý×Ö²¿·ÖµÄ¶¶¶¯ºÍÄ£Äⲿ·ÖµÄ¶¶¶¯²»ÊÇÒ»¸ö¶«Î÷¡£¡£×÷ÓÃÍêÈ«²»Ò»Ñù¡£¡£¡£¶øÇ°ÃæÊý×Ö²¿·ÖµÄ¶¶¶¯È·Êµ¿ÉÄÜÓ°Ï쵽ģÄⲿ·ÖµÄ¶¶¶¯£¨¾ßÌå¿´DAC£¬»òÕß˵¿´PLL£©¡£¡£²»¹ý¿ÉÄÜÊÇÕâÑùµÄ£¨Ö»ÊÇ¿ÉÄÜ£¬Ï£ÍûÂ¥Ö÷ÄÜÕÒ³öʵ¼Ê²âÊÔÊý¾Ý£©£º1fsµÄUSBÐźŶ¶¶¯»áÔö¼Ó10nsµÄÄ£ÄâÐźŶ¶¶¯¡£¡£¶øÇÒÊý×Ö²¿·ÖµÄ¶¶¶¯»¹»áÔì³ÉÆäËûÓ°Ï죬ÎҾͲ»Õ¹¿ªÁË¡£¡£¡£
¡°Êǵģ¬²Î¿¼Èý£º¡¶Jitter Theory ¶¶¶¯ÀíÂÛ¡·£¬Ìáµ½¶¶¶¯Ò»°ãÓÃÑÛͼÀ´Õ¹Ê¾ , ¡°ÑÛµÄ×óÓÒÕ£¬¾ÍÏÔʾ³öÁËJitter¡±£¬ÕâÒ»µãÎÒ²»ÊÇÌ«Àí½â¡£¡±
ÎÒ¿ÉÒÔ¿´³öÕâÓ¦¸ÃÊÇ·½Ðβ¨¡£¡£¡£²»¹ýÕâ¸ö·½Ð⨵ÄÑù×ÓºÃTM¿Ö²À¡£¡£Äã¿ÉÒÔÄÃÈ¥±ÈһϺÍÀíÏë·½²¨ÓÐʲô²»Í¬¡£¡£¡£
¡°ÎÒµÄÒÉÎÊÊÇ£ºUSB½çÃæÈç¹û²»Ê¹ÓÃRCAÊä³ö£¬Ö»ÊÇÓÃS/PDIF»òÕßIISÊý×ÖÊä³ö£¬ËüÓ¦¸Ã¾ÍûÓÐÓõ½Êýģת»»¹¦ÄÜ°É£¿·´¹ýÀ´£¬Èç¹ûÎÒÖ»ÓÃÊý×Ö½çÃæµÄÊý×ÖÊä³ö£¬Âò²»´øRCAÊä³ö½Ó¿ÚµÄÊý×Ö½çÃ棬ÊDz»ÊǾÍÊ¡µôÁËDACоƬµÄ³É±¾£¿¡±ÎÞÁ¦Í²ÛÖС£¡£½¨ÒéÂ¥Ö÷ÏȲ¹»ù´¡ÖªÊ¶¡£¡£USB½çÃæÊÇDDC£¬²»´æÔÚÈκÎDA¡£¡£¡£Ò»°ãÀ´Ëµ½çÃæµÄRACÊä³öÖ¸µÄ¾ÍÊÇSPDIFÊä³ö¡£¡£
×îºó£¬½¨ÒéÂ¥Ö÷ȥѧһÏ»ù´¡µç·°É£¬·ñÔòºÜÄѽ»Á÷£¬ÕâÀï·¢¸öÁ´½Ó£¬ÕâÀïÃæÉõÖÁ¿ÉÒÔѧµ½Ò»Ð¡²¿·ÖÏß²ÄÓ°ÏìÉùÒôµÄÔÀí£¨ËäȻֻÊÇһС²¿·Ö£©https://www.bilibili.com/video/BV1F7411a7iV?p=1&vd_source=ee2ede0429d15d84f5e527ce0eb5360c
³ýÁËÕâ¸ö£¬×îºÃÂ¥Ö÷ÔÙȥѧһÏÂCS£¬Ñ§Íê±¾¿Æ¾ÍÐС£È»ºóÔÙÈ¥Á˽âһϸ÷ÖÖÉ豸µÄÔÀí£¬²»È»µÄ»°ÎÒ˵µÄ»°Â¥Ö÷¶¼ºÜÄÑÀí½â¡£¡£¡£¶øÓкܶàHIFI¼¼ÊõÄã²»Á˽âÕâЩ£¬Á¬¿´¶¼¿´²»¶®¡£
jeffk
·¢±íÓÚ 2023-1-26 06:56
±¾Ìû×îºóÓÉ jeffk ÓÚ 2023-1-26 07:02 ±à¼
icbcodc ·¢±íÓÚ 2023-1-25 21:01
ÎÒûÓÐÍæ¹ý¶ÀÁ¢Ê±ÖÓ£¬Èç¹ûÄãÍæ¹ý£¬ÄÜÂé·³·ÖÏíϾÑéÒÔ¼°Ð§¹ûÌý¸ÐÂð£¿
Îҵľ߱¸clockinµÄÉ豸ÈçÏ£º
1. Éù¿¨£ºRME HDSPe AES£¬ÓÃÓÚ¿ÍÌüHTPC
2. Éù¿¨£ºLynx AES16e£¬ÓÃÓÚÊé·¿ÎÄÊéÉÏÍø»ú
3. CD»ú£ºSony CDP-D500
Ôø¾ÓµÓÐÓëÄ¿Ç°·þÒÛÖеÄwordclockºÍ10M
1. Apogee Big Ben£ºÒÑתÊÛ
2. Mutec MC3+(ÎÞUSBµÄµÚÒ»´ú)£ºÒÑתÊÛ
3. Antelope OCX£ºÓÃÓÚCDP-D500
4. ÉîÛÚÎàÍ©µç×ÓFOS-3¼Ó¹Ò10M GPSÖÓGPSDO(¸ÄÏßµç)£ºÓÃÓÚLynx AES16e
5. Grimm CC2£ºÓÃÓÚRME HDSPe AES
6. 10Mï¨Ô×ÓÖÓSRS-PRS10ºÍFE5680£ºÏÐÖÃÖÐ
ÔøÕÒ¼Òôʦ½è²âÉ豸£ºBlack Lion MKIII XB
¸ü¹óµÄEsotericÎÒÂò²»Æð¡£
ÎÒ¿ÉÒÔ¸ºÔðÈεĸæËßÖîλ¹ØÓÚʱÖÓÉ豸µÄ¼¸¸öÊÂʵ£º
1. ÒÔÉÏÿһ¸öʱÖÓÉ豸£¬¶¼ÄÜÈÃÊý×ÖÒôƵ¸üÉÏÒ»²ãÂ¥¡£
2. ¹ó²»´ú±íºÃ¡£
3. ÒÔÉÏword clockÅÅÃû£ºGrimm CC2>Black Lion MKIII XB(¸ÄÏßµç)>FOS-3(¸ÄÏßµç)>Antelope OCX=Apogee Big Ben(¸ÄÏßµç)>Mutec MC3+(ÆäÖÐ×î¹óµÄÊÇAntepole OCX¡¢×î±ãÒ˵ÄÊÇFOS-3)£¬Èç¹û²»¸ÄÏߵ磬Big Ben×î²î£¬¶øBig BenÔÀ´µÄµçÔ´¾ÍÊDZ»´µÅõÉÏÌìµĄ̈ÍåÃ÷γ¡£
4. 10MÅÅÃû£ºGPSDO(¸ÄÏßµç)>SRS-PRS10>FE5680(×î¹óµÄÊÇSRS-PRS10¡¢×î±ãÒ˵ÄÊÇGPSDO)
5. FOS-3ºÍAntelope OCX¼Ó¹Ò10MҲƴ²»¹ýGrimm CC2ºÍBlack Lion MKIII XB£¬10Mï¨Ô×ÓÖÓÊÇÒ»¸öÃÀÀöµÄ´íÎó¡£
ÉÏͷдµÄSRS-PRS10£¬È«ÃûÊÇStanford Research Systems PRS10 Rubidium Oscillator£¬Ò»¸öȫеÄPRS10ÊÛ¼ÛΪ1695ÃÀÔª£¬ÊÐÃæÉÏ¿´µ½EsotericºÍAntelope¹óµÄÏÅËÀÈ˵Ä10Mï¨ÖÓ£¬ÄÚ²¿µÄʱÖÓÐźÅÀ´Ô´¶¼ÊÇPRS10ÔÙ¼ÓÉÏËûÃÇרÊôµÄÏß·Éè¼Æ£¬ÎÒÓÐһ̨PRS10ÍÁ³h£¬ÔÙÒ»´Î¸ºÔðÈεĸæË߸÷룬798ÈËÃñ±Ò¸ÄÏßµçµÄ¹ú²úGPSÖÓÇáËÉKµ¹1695ÃÀÔªµÄPRS10ï¨ÖÓÍÁ³h£¬ÎÒÌرðÇ¿µ÷ÍÁ³h£¬ÊÇΪÁËÇø±ðÓÚÓµÓÐרÊôÏß·Éè¼ÆµÄEsotericºÍAntelopeµÄ10Mï¨ÖÓ£¬ÒòΪÎÒûÌý¹ýËüÃÇ£¬ËùÒÔ²»ÄÜ´ú±íÖйúÈË×ÔÐÐÉè¼ÆµÄGPSÖÓÄÜ´ò°ÜËüÃÇ£¬µ«ÊÇÎÒÒªÔÙÇ¿µ÷Ò»±é£¬ÕâЩ¹óÉɵĸ߼¶É豸µÄʱÖÓÐźÅÔ´¶¼ÊÇPRS10¡£
¶àÄêÇ°Mutec MC3+¸ÕÎÊÊÀµÄʱºò£¬ÎÒÔøºÍMutecµÄµÂ¹úCEOÍùÀ´¹ýemail£¬µ±Ê±Ëû¸æËßÎÒ£¬ËûµÄÏÂÒ»¸ö¼Æ»®ÊÇÉè¼ÆGPSÖÓ£¬²»¹ý´Ó´Ë¾ÍûÁËÏÂÎÄ£¬ÒòΪGPSÖÓ±»ÖйúÈ˸ã³öÀ´ÁË£¬²¢ÇÒ»¹ÒԵͼÛÎÊÊÀ£¬Õâ×ã×ã´ú±íÒ»¸öÊÂʵ£¬Èκο´ÆðÀ´Î°´ó²»µôµÄÍæÒ⣬һµ©±»ÖйúÈ˸㶨¾ÍÊǰײ˼ۣ¬Õâ±¾À´Ó¦¸ÃÊÇÖµµÃ¸ßÐ˵ÄÊÂÇ飬µ«ÊÇÎÒÈ´·¢¾õÔÚÍøÉϱáµÍÅú¶·GPSÖÓ¶¼ÊÇÖйúÈË×Ô¼º£¬·´¶øÎÒÃÇÔŲ́ÍåÓÐÒ»ÅúHTPCµÄÍæ¼Ò£¬Éù¿¨¶àÊýÊÇRME£¬ÔÚ´îÅäÕâ¸ö¹ú²úGPSÖÓºó¸ö¸ö¶¼¹ÄÕƽкá£WHY£¿
×îºóÒ»¸öÖҸ棺ÏëÍæʱÖÓÊ×ÏȱØÐëÓµÓÐÒ»¸ö¾ß±¸clockinµÄÉ豸£¬Èç¹ûÄãµÄÊý×ÖÊä³öÉ豸ûÓÐclockinµÄ¶Ë×Ó£¬ÄÇôÇëÄãÂôµôÔÙÖØÂò£¬Ç§Íò²»ÒªÈ¥ÂòÏ´Ë®µÄÀ¬»øÈ纣Â×£¬Ò»Ì¨º£Â×Ë÷¼Û¾¹È»³¬¹ý1ÍòÈËÃñ±Ò£¬ÇëÎÊ´ó¼Ò¶¼ÊÇ·èÁË»¹ÊÇɵÁË£¿RME HDSPe AES¶¨¼Û1200ÃÀÔª£¬¼ÓÉÏ798ÈËÃñ±ÒµÄGPSÖÓ(ÏÖÔÚËƺõÓÐ498µÄ°æ±¾)£¬1ÍòÈËÃñ±Ò»¹ÓеÄÕÒ¡£
Á½Ïá°®ºÃÕß
·¢±íÓÚ 2023-1-26 07:00
°Ý¶ÁÁË£¬ºÃÎÄ!
Á½Ïá°®ºÃÕß
·¢±íÓÚ 2023-1-26 07:00
qazpl963 ·¢±íÓÚ 2023-1-23 07:43
ÏÈÎÊÒ»ÏÂÕâ¸ö¶¶¶¯²âÊÔµÄʲô¶¶¶¯¡£Èç¹û²âÊÔµÄÊÇUSBµÄBIT¼¶±ðµÄ¶¶¶¯¡£¡£ÄÇôÕâ¸ö¶¶¶¯¼òÖ±ÊÇÌìÎÄÊý×Ö¡£Êý¾ÝÒÑ ...
ÎÒÀ´ÈÏÕæѧϰһÏ¡£
Á½Ïá°®ºÃÕß
·¢±íÓÚ 2023-1-26 07:02
qazpl963 ·¢±íÓÚ 2023-1-23 15:16
USBÿ¸öbitÊÇ2ps£¨²»Í¬±ê×¼²»Í¬£©£¬ÄãÕâÖ±½Ó¼ÓÁ˼¸°Ù±¶µÄjitter£¬ÄÇÊý¾Ý¾ÍÍêȫû·¨·¢ËÍÁË¡£¡£²î²»¶à¾Í0»ò ...
ºÜºÃµÄ¾Ñé·ÖÏí£¬ÔÞ!
Á½Ïá°®ºÃÕß
·¢±íÓÚ 2023-1-26 07:03
blurSong ·¢±íÓÚ 2023-1-23 20:31
ºÃÎÄÕ¡£¶¶¶¯ÊÇʱÐòÊý×Öµç·×î»ù´¡µÄ¸ÅÄ¶øÇÒºÜÒź¶£¬Ö»ÒªÕýÈ·µØÉè¼Æ²¼ÏߺͲâÊÔ£¬±£Ö¤½¨Á¢Ê±¼ä¼ì²éºÍ±£³Ö ...
ÐÁ¿àÀ²£¡Ð»Ð»·ÖÏí!
Á½Ïá°®ºÃÕß
·¢±íÓÚ 2023-1-26 07:05
jeffk ·¢±íÓÚ 2023-1-26 06:56
Îҵľ߱¸clockinµÄÉ豸ÈçÏ£º
1. Éù¿¨£ºRME HDSPe AES£¬ÓÃÓÚ¿ÍÌüHTPC
2. Éù¿¨£ºLynx AES16e£¬ÓÃÓÚÊé·¿ ...
µ±ÄãÂò²»Æðʱ£¬ÎÊÌâ×î¼ò»¯¡£
Á½Ïá°®ºÃÕß
·¢±íÓÚ 2023-1-26 07:07
Shiwdb ·¢±íÓÚ 2023-1-25 11:34
¶¶¶¯ÔÚÒôƵӰÏì·½Ã棬ÓÐÁ½¸ö»·½Ú£ºµÚÒ»¸ö»·½ÚÊÇÄ£Êýת»»»·½Ú£¬µÚ¶þ¸ö»·½ÚÊÇÊýģת»»»·½Ú¡£
...
Óû§Æäʵ²»ÓòÙÐÄ£¬DAC¸ã¶¨ÁËÒѾ£¿
Á½Ïá°®ºÃÕß
·¢±íÓÚ 2023-1-26 07:09
ľ¶úÓû§ ·¢±íÓÚ 2023-1-25 08:33
ÎÒÒ»Ö±ÒÉ»óÏÖÔÚdacµÄʧÕ涼×öµ½Ð¡ÊýµãºóºÃ¼¸¸öÁãµÄ³Ì¶È£¬È˶úÕæµÄÄÜ·Ö±æÆäÖеIJîÒìô¡£ÒÔÇ°¶Ô±È¹ýda10ºÍÎÒ ...
ºÜºÃµÄ¾Ñé·ÖÏí£¬ÔÞ!
tomman
·¢±íÓÚ 2023-1-26 08:10
icbcodc ·¢±íÓÚ 2023-1-25 20:16
¶Ô£¬ÎÄÕÂÑо¿µÄÊÇÊý×ÖÒôƵÎļþ²»°üº¬ºÍ°üº¬È˹¤Ìí¼ÓµÄ¶¶¶¯Ê§Õ棬Á½ÖÖ·½Ê½Çл»¶Ô±È£¬ÊÜÊÔÕßµÄÌý ...
ÕâÖÖ·ÖÎöÈç¹ûÊÇ»ùÓÚÈ˵ĸÐÖª£¬Ö÷¹ÛÐԱȽϴó£¬Ò²¾ÍÊǸöͳ¼ÆÖµ£¬»òÕß˵ÊǸö²»È·¶¨µÄÊý×Ö¡£ÒôƵ·ÖÎöÒÇ¿ÉÒÔ²âÁ¿¶àÉÙÁ¿µÄ¶¶¶¯¶ÔÒôƵָ±êµÄÓ°Ïì¡£
¶ÔÓÚµ½µ×¶à´óµÄ¶¶¶¯¶ÔÌý¸ÐÓжà´óµÄÓ°Ï죬Õâ¸ö²»ºÃ˵£¬ÒòÈ˶øÒ죬×ÜÖ®Äض¶¶¯Ô½Ð¡Ô½ºÃ£¬ÖÁÓÚÓÐûÓбØÒª£¬Òª¿´×Ô¼ºµÄÇ®°ü¡£
icbcodc
·¢±íÓÚ 2023-1-26 23:23
qazpl963 ·¢±íÓÚ 2023-1-26 04:46
¡°ÀÏÐÖ£¬ÄѵÀÊý×ÖÐźţ¨ÒôƵÎļþ£©¾Í²»¿ÉÒÔÔÚÒôƵÈí¼þÉÏÏÔʾ³öÄ£ÄâµÄ²¨ÐÎÂ𣿲»ÄÜÒòΪËû·ÅÁËÒ»ÕÅÓò¨ÐÎÑÝ ...
²»ÄÜ£¬Êý×ÖÐźźÍÒôƵÎļþÊÇ2»ØÊÂÇé¡£¡£ÒôƵÎļþÊÇÊý×Ö0ºÍ1£¬¶øÊý×ÖÐźÅÊÇÔõô´«µÝ0ºÍ1£¨±ÈÈç˵5VΪ1£¬3VΪ0£¬0VΪc£©£¬ÄãÔÙÔõô¸ÄÊý×ÖÎļþÒ²ÎÞ·¨Ó°Ïìµ½Êý×ÖÐźŵÄJITTER¡£ ¿´À´£¬»¹ÊÇÒª¼ÌÐø·ÒëÌÖÂÛ֮ǰµÄͼƬ£¬²ÅÄܽâ¾öÁ½¸öÎÊÌ⣺1.ʵÑéÊÇÈçºÎÄ£ÄâÉú³ÉJitter¼ÓÈëµ½Êý×ÖÐźÅÖУ¬2.ÕâÖÖ¶ÔÊý×ÖÐźŵÄÐ޸ĺÍÕæʵ¶¶¶¯´øÈëÊý×ÖÎļþÊDz»ÊÇ¿ÉÒÔÌæ´úµÄ¡£
Çë×Ðϸ¿´¿´ÉÏÃæµÄͼƬ£¬ÎÒÔçÇ°µÄ»Ø¸´¼òµ¥Ëµ¹ý¡°Èç¹ûÎÒµÄÓ¢ÎÄÀí½âÕýÈ·µÄ»°£¬2.2½Ú£¨ÈçÏÂͼ£©ÊǽâÊÍʵÑéÈçºÎÄ£Äâ²úÉú¶¶¶¯JitterÐźŵģ¬°üÀ¨ÁË£º1.²åÖµ¡¢2.ÒÆλ²ÉÑù 3.¿¹»ìµþ¹ýÂË ÕâЩ¹ý³Ì¡£ÎÒÈÏΪÉè¼ÆÕßÊǶ®Êý×ÖÒôƵ²ÉÑù»ù±¾ÔÀíµÄ¡£¡±
ÎÒÔÚÉÏͼÖÐÌØÒâ¼ÓÈëÁË5¸öºìÉ«µÄ¼ýÍ·£¬ÓÃÀ´¸ü¼ÓÃ÷È·µØ±íʾʵ¼Ê¶¶¶¯µÄ·½Ïò¡£¿ÕÐÄÔ²ÊÇÔʼ²ÉÑùµã£¬Ê±¼äÉ϶ÔÓ¦Ôʼ²ÉÑùʱ¼ä¡£¶ÔÓÚ×î×ó²àµÄºì¼ýÍ·£¬²ÉÑùµã1¶ÔÓ¦µÄ¿ÕÐÄÔ²ÊÇÔʼÊý¾Ýµã£¬Ä£Ä⵱ʱ»ù¶¶¶¯ÏòÓÒʱ£¬²úÉúеÄʱ¼äµã¶ÔÓ¦µÄºÚÉ«Èý½ÇÐΣ¬Í¬Ê±µÃµ½ÐµÄÐéÏß±íʾµÄ²¨ÐΣ¬Õâʱ£¬¿ÉÒÔÐÞ¸ÄÔʼÊý¾Ý£¨¿ÕÐÄԲλÖ㩳ÉеÄÊý¾Ý£¨¿ÕÐÄÁâÐÎλÖã©£¬ËüÃǶ¼ÔÚͬһ¸öÊýÖµµÄ´¹Ö±ÐéÏßÉÏ¡£
ÄãÈÏΪµÄ¡°Ôõô¸ÄÊý×ÖÎļþÒ²ÎÞ·¨Ó°Ïìµ½Êý×ÖÐźŵÄJITTER¡£¡±Âß¼ÉÏÏÔÈ»²»³ÉÁ¢£¬ÒòΪÎÄÕÂÒѾÓÃÉÏͼµÄ·½Ê½Çå³þµØÄ£Äâ³öÀ´ÁË£¬ÉÏÃæµÄÎÊÌâ1ÊDz»Êǽâ¾öÁË£¿Èç¹ûûÓУ¬ÎÒÃÇ¿ÉÒÔ¼ÌÐøÌÖÂÛ¡£
¶ÔÓÚÎÊÌâ2£¬ÎÒ֮ǰ»Ø¸´¾ÍÒýÓùýÔÎÄ˵Ã÷¹ý£¬ÔÙ¸´ÖÆÒ»´ÎÈçÏ£º
ÔÎÄ2.2²¿·Ö£¬ÈçÏÂͼ£¬Ìáµ½¡°It was confirmed that the distortions obtained by this method using sinusoidal signals exactly agreed with what were predicted by the phase modulation theory .¡±
Òâ˼ÊÇ ¡°¾Ö¤Êµ£¬ÓÃÕâÖÖ·½·¨µÃµ½µÄÕýÏÒÐźŵÄʧÕæÓëÏàλµ÷ÖÆÀíÂÛËùÔ¤²âµÄÍêÈ«Ò»Ö¡£¡±£¬²Î¿¼ÁË¡¾2¡¿ÀïµÄÎÄÕ£¬ËùÒÔÔÛÃDz»Óû³ÒÉÄ£Äâ³öµÄʧÕæÄܲ»ÄÜ´ú±íʵ¼ÊµÄ¶¶¶¯Jitterµ¼ÖµÄʧÕæ¡£
ÕâÑù£¬ÎÊÌâ2ÊDz»ÊÇÒ²²»ÊÇÎÊÌâÁË£¿
Õâ²»ÊÇÎÒ˵µÄ·½Ê½£¬ÎÄÖÐÃ÷È·Ìá¼°£¬Äã¿ÉÒÔ¿´µ½Í¼ÖеÄoriginal data£¬data with jitter£¬new data¡£¡£È»ºóÄ㻹¿ÉÒÔ¿´µ½ËäÈ»data with jitterÓÐÏàλ²î¡£¡£µ«Êǵ½ÁËnew dataÕâÀï¾Íͨ¹ýËã·¨¼ÆËã¼ÓJITTERºóµÄ²¨ÐΣ¨ÓëDATA WITH JITTERµÄ²¨ÐÎÒ»Ö£©£¬×îºóµ¼ÖÂÖ»ÓÐÏì¶È²îÁË£¨Êµ¼ÊÉÏûÓÐÔö¼ÓÈκÎÏàλ²î£¬¹À¼ÆÊÇÒòΪÂëÂÊ°É£¬Èç¹ûÊÇÎҵĻ°¿ÉÒÔͨ¹ýÉýƵÀ´Ôö¼ÓÏàλ²î£¬±£Ö¤±ÈËûµÄ¸ü¼Ó¿¿Æ×£©¡£¡£¡£Õâ¾ÍÊǺÜÃ÷ÏÔµÄÐÞ¸ÄÊý×ÖÎļþ¡£¡£ÖÁÓÚ²¨ÐÎÄÇÊÇDAºó³öµÄÄ£ÄâÐźŲ¨ÐΣ¨Í¨¹ýÈí¼þÄ£ÄâËùµÃ£¬µÃ£¬ÏÖÔÚÊǸöºóÆÚÈí¼þ¶¼×Ô´øÕâ¸ö¹¦ÄÜ£¬ÄãËæ±ãÄÃÊ׸趪µ½AU£¬È»ºó°ÑʱÓòÀµ½¸ß¾«¶È¾Í¿ÉÒÔ¿´µ½ÏàͬµÄÐÅÏ¢£©¡£¡£ ÏÈ˵һ¸öÊý×ÖÒôƵµÄ»ù±¾¶¨Àí£¬"Äοü˹ÌزÉÑù¶¨Àí"£¬¼òµ¥Ëµ¾ÍÊÇ£ºÈç¹ûÒ»¸ö¸´ÔÓÊý×ÖÐźŵÄ×î¸ßƵÂÊÊÇ F hz£¬×îÉÙÓÃ2F hzµÄ²ÉÑùÂÊ£¬¾Í¿ÉÒÔÕýÈ·µØ²ÉÑùÕâ¸ö¸´ÔÓÊý×ÖÐźš£Õâ¸ö¶¨ÀíÊǾ¹ýÑϸñÊýѧ֤Ã÷µÄ¡£ÄãÉÏÃæµÄ»³ÒÉÊDz»ÊÇ¿ÉÒÔÕâÑùÀ´±í´ï£¬Ö»¸Ä±äÁ¿»¯µãµÄ¸ß¶È£¨·ùÖµ£©£¬²ÉÑùµã²»±ä£¬Äܲ»ÄÜÕý³£²ÉÑùºÍ»¹ÔеĴø¶¶¶¯µÄÐéÏß²¨ÐΡ£
ÕâÑù¿´£¬´ð°¸ÊDz»ÊdzÉΪ£¬ÍêÈ«¿ÉÒÔÁËÄØ?
ËûÕâ¸ö·½·¨Ôö¼ÓµÄJITTERÖ»»áÓ°ÏìÄ£Äâ¶Ë¡£¡£Êý×Ö²¿·ÖµÄ¶¶¶¯¸ù±¾Ã»°ì·¨ÒÔÕâ¸ö·½Ê½Ôö¼Ó¡££¨Êý×Ö²¿·ÖûÓÐͼÖбíʾµÄDATA£¬ÎÞ·¨Í¨¹ýÐÞ¸ÄÊý×ÖÎļþÀ´Ôö¼Ó£¬²¨ÐÎÒ²²»Í¬£©£¬ËùÒÔ¿ÉÒԶ϶¨Ëû¼ÓµÄJITTERÖ»ÄÜÓ°ÏìÄ£Äⲿ·Ö¡£ÖÁÓÚÊý×ÖÐźŴ«²¥µÄ¶¶¶¯Ôõô¼Ó¡£ÎÄÖÐûÓÐÈκÎÌá¼°£¬ÎÒ¿ÉÒÔÈÏΪËûûÓнøÐÐÈκÎÕâ·½ÃæµÄʵÑé¡£ ÄãÕâÀïµÄ»³ÒɺÍÇ°ÃæÆäʵÊÇÏàͬµÄ¡£ÎÒ¾õµÃ¶ÔÓÚÎÒÀ´Ëµ£¬ËûµÄʵÑéÒѾ×öµ½ÁËÒýÈëÈËÔ춶¶¯Jitterµ½Êý×ÖÎļþÁË¡£
Êý×ÖÐźÅÔö¼ÓjitterÐèÒª¸ßƵ¸ß¾«¶Èʾ²¨Æ÷À´²â£¨ÕâÖÖÉ豸ÏÖÔÚÒ²¾Í¼¸Ê®Íò°É£©£¬È»ºó»¹ÐèÒª¸ü¸ßƵ¸ü¸ß¾«¶ÈµÄÉ豸À´Ä£ÄâÔö¼Ó¶¶¶¯£¨ÎÒ²»ÖªµÀÊÇʲôÉ豸£¬Ò²Ðí¸ù±¾¾Í²»´æÔÚ£©¡£¡£ Èç¹ûÕâÑù¿¼ÂÇ£¬ÊµÑéµÄ×ßÏò¾Í±äÁË£¬²»ÊǼì²âÖ÷¹ÛÈËÌýµ½¶¶¶¯µÄãÐÖµ£¬¶ø±äΪ²âÁ¿ÊµÑé×¼±¸µÄÊý¾ÝÊÇ·ñ׼ȷ£¬±¾ÖÊÉÏ»¹ÊÇ»³ÒÉʵÑé×¼±¸µÄÊý¾ÝÓÐÎÊÌâ¡£ÈÔÈ»ÐèÒª»Øµ½Ç°ÃæµÄÎÊÌâ1ºÍÎÊÌâ2¡£
¡°ÒòΪʵ¼ÊA/Dת»»Ê±¡±¡£¡£×÷Ϊ·¢ÉÕÓѹØ×¢AD¸ÉÂï¡£ÎÒÃÇÓÖ²»¸ã¼Òô¡£¡£¡£ADºÍºóÆÚ»·½ÚµÄʱÖÓºÍÎÒÃǵĻطŽ׶εÄʱÖÓ²»ÊÇÒ»¸ö¶«Î÷¡£Óкܶà»Ø·Å½×¶ÎÐèÒª¿¼ÂǵÄÔªËØAD»·½Ú²»ÐèÒª¿¼ÂÇ¡£ Äã¼ÈȻһֱ¶ÔʵÑéµÄÈËÔìʱ»ù¶¶¶¯JitterµÄÓÐЧÐÔ±íʾ»³ÒÉ£¬ÎÒÈÏΪÓбØҪ˵Ã÷Õæʵʱ»ù¶¶¶¯JitterÈçºÎÔÚ²ÉÑù²úÉúµÄ£¬×îÈÝÒ×Àí½âʱ»ù¶¶¶¯Jitter²úÉúµÄ½×¶Î£¬¾ÍÊÇA/DºÍD/Aת»»µÄ¹ý³Ì£¬°ÑÕâ¸ö¹ý³Ì¸ãÇå³þ£¬¾ÍÈÝÒ׸ãÇå³þʵÑéµÄÄ£Ä⣬ÈËÔìʱ»ù¶¶¶¯ÊDz»ÊÇÓÐЧµÄÁË¡£
Õâ¸öʵÑé¾ÍÊÇͨ¹ý°ÑÈËÔ춶¶¯¼ÓÈëµ½Êý×ÖÐźÅÖУ¬Í¨¹ý»Ø·Å£¬ÈÃרҵºÍ°ëרҵÈÏʶÕÒµ½ËüÃÇÌý²»³ö¼ÓÈ붶¶¯ÒýÆðµÄ²»Í¬µÄ´óÖÂλÖá£ÕâÑùµÄʵÑéÎÒ¾õµÃÊÇÒ»Öֱȴ¿²âÁ¿Ê±»ù¶¶¶¯Jitterµ¼ÖµÄʧÕ棬¸üÓÐÒâÒåµÄʵÑ飬ÒòΪÎÒÃÇ×îÖÕ»¹ÊÇÌýÒôÀÖ£¬¶ø²»ÊDzâÁ¿ÒôÀÖÐźŵġ£
ÎÒÈÏΪÔڸ߶ËÉ豸ÉϺÜÐèÒªµ£ÐÄ£¬ÎÒÓм¸ÍòµÄÉ豸רÃÅ´¦ÀíUSBʱÖÓ¡£²»¹ýÊý×Ö²¿·Ö×îÓ°ÏìÌý¸ÐµÄµ¹²»ÊǶ¶¶¯¡£ ÄܾßÌå·ÖÏíϾßÌå´¦ÀíUSBʱÖӵľÑéÂ𣿠ÎÒÒ²¾õµÃÊý×Ö²¿·Öʱ»ù¶¶¶¯²»Ó¦¸ÃÊÇÓÅÏȵ£ÐĵÄÎÊÌ⣬ÎÒÒ²»³ÒÉÓÐûÓÐÈËÄÜÌý³öpsƤÃëÉõÖÁÊÇfs·ÉÃ뼶±ðµÄ¶¶¶¯¡£
ÍâÖÃUSB½çÃæÖ»ÊÇ°ÑUSB½çÃæ¸ø¶ÀÁ¢³öÀ´ÁË¡£ÎҸоõÂ¥Ö÷ÐèÒª²¹Ò»Ï»ù´¡¡£¡£¡£ ÎÒµÄÓ¦Óó¡¾°ÊÇÆ»¹ûÊÖ»úͨ¹ýÊý×Ö½Ó¿ÚÁ¬½Ó½âÂëÆ÷£¬Èç¹ûÖ±½ÓÓÃLightningתͬÖáÏßÖ±½ÓÁ¬½ÓDAC£¬¶ø²»ÓÃUSB½çÃ棬»áÓÐʲôÎÊÌâÂð£¿
2004Äê¸ù±¾¾ÍûÓкõÄÊý²¥¡£¡£¶øÇÒËûҲ˵ÁËÊÇÓñʼDZ¾¡£¡£ÎÒ¾ÍÊÇרßã¹ýPCHIFIµÄ£¬ÉõÖÁÏÖÔÚ»¹Ôڸ㡣¡£Ã»Óо¹ýÒôƵÓÅ»¯µÄPCÓжàÀÃÎÒºÜÇå³þ¡£¡£¡£»Ø·Å»·½Ú´ó²¿·ÖµÄ¸ºÃæÌý¸Ð¶¼ÊÇÕâ»õÔì³ÉµÄ¡£¡£ 2004Äê¸úÏÖÔڱȣ¬Ó²¼þ¿Ï¶¨ÓÐЩ²î¾à£¬±Ê¼Ç±¾ËƺõÒ²²»ÊÇPCHIFIµÄºÃ·½Ê½¡£²»¹ý´ÓʵÑéµÄ½Ç¶È£¬ÓñʼDZ¾Ò²ÓÐËûµÄÀíÓÉ£¬¼ò»¯£¬·½±ã¶Ô±ÈʵÑé¡£¶øÇÒʵÑéÖÐÄÇô¶àרҵÈËÊ¿ºÍ°ëרҵÈËÊ¿¶¼Ö»ÄÜÌýµ½ns¼¶±ðµÄ¶¶¶¯Ê§Õæ´øÀ´µÄ²»Í¬£¬Èç¹ûÓö¥¼¶µÄPCºÍ²¥·ÅÈí¼þ£¬ÊÇ·ñÄܽµµÍãÐÖµµ½PSƤÃ룿ֻÄܲ²⣬ÎÞ·¨Ëµ·þÈκÎÈË¡£
ËûÕâ¸ö·½Ê½Ôì³ÉµÄ½á¹û¾ÍÊÇÔÚDAºóµÄÄ£ÄâÐźÅÀïÔö¼Ó¶¶¶¯£¬ÎÞ·¨Ó°Ïìµ½DA»·½Ú£¨°üÀ¨DA£©Ç°ÃæµÄ¶¶¶¯¡£¶ø¡°·ÂÔìÕæʵ¶¶¶¯¡±Ëû¾ÍÊÇͨ¹ýÄ£ÄâÔÚÄ£ÄâÐźÅÔö¼Ó¶¶¶¯ÊµÏֵġ£ ÕâÀïÈÔÈ»¸úÇ°ÃæµÄÌÖÂÛ¹ýµÄÎÊÌâ1ºÍÎÊÌâ2Ïà¹Ø¡£
Êý×Ö²¿·ÖµÄ¶¶¶¯ºÍÄ£Äⲿ·ÖµÄ¶¶¶¯²»ÊÇÒ»¸ö¶«Î÷¡£¡£×÷ÓÃÍêÈ«²»Ò»Ñù¡£¡£¡£ ʱ»ù¶¶¶¯×îÈÝÒ×Àí½âµÄÀ´Ô´¾ÍÔÚADCºÍDACµÄ²ÉÑù¹ý³ÌÖС£ÓÐûÓкõÄ×ÊÁÏ¿ÉÒÔ¸øÎҲο¼£¬ËµÃ÷USB´«µÝÊý¾ÝµÄ¶¶¶¯ÊÇÔõôÑùµÄ£¿
¶øÇ°ÃæÊý×Ö²¿·ÖµÄ¶¶¶¯È·Êµ¿ÉÄÜÓ°Ï쵽ģÄⲿ·ÖµÄ¶¶¶¯£¨¾ßÌå¿´DAC£¬»òÕß˵¿´PLL£©¡£¡£²»¹ý¿ÉÄÜÊÇÕâÑùµÄ£¨Ö»ÊÇ¿ÉÄÜ£¬Ï£ÍûÂ¥Ö÷ÄÜÕÒ³öʵ¼Ê²âÊÔÊý¾Ý£©£º1fsµÄUSBÐźŶ¶¶¯»áÔö¼Ó10nsµÄÄ£ÄâÐźŶ¶¶¯¡£¡£ ½¨ÒéÄã¿´¿´ÎÒÔÚһ¥Ìáµ½µÄ²Î¿¼Èý£º¡¶Jitter Theory ¶¶¶¯ÀíÂÛ¡· - by Julian Dunn2000Äê ÀïÃæJitterµÄ²úÉú²¿·ÖµÄÄÚÈÝ£¬·Ç³£Ïêϸ¡£
¶¶¶¯µÄÀ´Ô´£¬"¼òµ¥Ëµ£¬Ò»¸ö»·½ÚÊDzÉÑù£¨°üÀ¨ADCºÍDACµÈ£©£¬ÁíÒ»¸ö»·½ÚÊÇÊý×Ö½Ó¿Ú£¨°üÀ¨Êý¾Ý·¢ËͶ˺ͽÓÊն˵Ķ¶¶¯¡¢Ï߲ĵÄÏß·ËðʧÒÔ¼°ÔëÉùºÍÆäËûÔÓÉ¢ÐźŶ¼»áÔì³É¶¶¶¯£©"
¶øÇÒÊý×Ö²¿·ÖµÄ¶¶¶¯»¹»áÔì³ÉÆäËûÓ°Ï죬ÎҾͲ»Õ¹¿ªÁË¡£¡£¡£ ÎÒ¿´Á˲ο¼Èý£º¡¶Jitter Theory ¶¶¶¯ÀíÂÛ¡·Ö®ºó£¬ÍêÈ«²»»³ÒÉʱ»ù¶¶¶¯JitterµÄ´æÔÚºÍËüÒýÈëµÄʧÕæ»áÓ°ÏìºÍÁÓ»¯Êý×ÖÒôƵ£¬ÎÒÔÚÒâµÄÊÇÎÒÃÇÄÜ´óÖÂÌý³ö¶àÉÙÊýÁ¿¼¶µÄ¶¶¶¯´øÀ´µÄʧÕæ¡£
ÎÒ¿ÉÒÔ¿´³öÕâÓ¦¸ÃÊÇ·½Ðβ¨¡£¡£¡£²»¹ýÕâ¸ö·½Ð⨵ÄÑù×ÓºÃTM¿Ö²À¡£¡£Äã¿ÉÒÔÄÃÈ¥±ÈһϺÍÀíÏë·½²¨ÓÐʲô²»Í¬¡£¡£¡£ ÑÛͼÊÇ×î³£ÓõÄÈÃÎÒÃÇ¿´µ½¶¶¶¯µÄ·½Ê½£¬ÎÒÖªµÀÓÃAPÒôƵ²âÊÔÒÇ¿ÉÒÔ²âÁ¿¶¶¶¯µÄ¾ßÌåÊýÖµ¡£
¡°ÎÒµÄÒÉÎÊÊÇ£ºUSB½çÃæÈç¹û²»Ê¹ÓÃRCAÊä³ö£¬Ö»ÊÇÓÃS/PDIF»òÕßIISÊý×ÖÊä³ö£¬ËüÓ¦¸Ã¾ÍûÓÐÓõ½Êýģת»»¹¦ÄÜ°É£¿·´¹ýÀ´£¬Èç¹ûÎÒÖ»ÓÃÊý×Ö½çÃæµÄÊý×ÖÊä³ö£¬Âò²»´øRCAÊä³ö½Ó¿ÚµÄÊý×Ö½çÃ棬ÊDz»ÊǾÍÊ¡µôÁËDACоƬµÄ³É±¾£¿¡±ÎÞÁ¦Í²ÛÖС£¡£½¨ÒéÂ¥Ö÷ÏȲ¹»ù´¡ÖªÊ¶¡£¡£USB½çÃæÊÇDDC£¬²»´æÔÚÈκÎDA¡£¡£¡£Ò»°ãÀ´Ëµ½çÃæµÄRACÊä³öÖ¸µÄ¾ÍÊÇSPDIFÊä³ö¡£¡£
¿ÉÄÜÎÒ˵RCA½Ó¿ÚÔì³ÉÎó½âÁË£¬Í¬ÖáÓÐRCA½Ó¿ÚºÍBNC½Ó¿Ú£¬¶øÄ£ÄâÐźŵ͵çƽҲÊÇRCA½Ó¿Ú¡£USBÊý×Ö½çÃæµÄ²úÆ·Ó¦¸ÃÊDz»»áÓÐÄ£ÄâRCA½Ó¿ÚµÄ£¬Ö»»áÓÐͬÖáRCA½Ó¿Ú¡£;P ËùÒÔÊǵģ¬Êý×Ö½çÃæµÄRCAÊä³öÖ»¿ÉÄÜÊÇS/PDIFµÄ±ê×¼µÄͬÖá½Ó¿Ú¡£
×îºó£¬½¨ÒéÂ¥Ö÷ȥѧһÏ»ù´¡µç·°É£¬·ñÔòºÜÄѽ»Á÷£¬ÕâÀï·¢¸öÁ´½Ó£¬ÕâÀïÃæÉõÖÁ¿ÉÒÔѧµ½Ò»Ð¡²¿·ÖÏß²ÄÓ°ÏìÉùÒôµÄÔÀí£¨ËäȻֻÊÇһС²¿·Ö£©https://www.bilibili.com/video/BV1F7411a7iV?p=1&vd_source=ee2ede0429d15d84f5e527ce0eb5360c Õâ¸öµç·µÄ½ÌѧÊÓƵÎÒÏÈÊÕ²ØÁË£¬ÎÒ´ÓÀ´²»·ñÈÏÏ߲İüÀ¨ÒôƵÏߣ¬À®°ÈÏ߶ÔÉùÒôµÄÓ°Ï죬ÒòΪÎÒÔÚÉý¼¶Ï߲ĵĹý³ÌÖУ¬ÄÜÖظ´Ìý³ö²»Í¬Ï߲ĶÔÉùÒôµÄ¸Ä±äµÄ¡£¶øÇÒÉ豸»¥ÁªÏßÊøµÄÏßËðÒ²ÊDzúÉú¶¶¶¯µÄÀ´Ô´Ö®Ò»£¨²Î¿¼Èý£º¡¶Jitter Theory ¶¶¶¯ÀíÂÛ¡··ÖÎö¹ý£©¡£
³ýÁËÕâ¸ö£¬×îºÃÂ¥Ö÷ÔÙȥѧһÏÂCS£¬Ñ§Íê±¾¿Æ¾ÍÐС£ CSÊÇÖ¸µÄʲô£¿ Äã²»»á˵µÄComputer ScienceµÄ±¾¿Æ°É£¿:lol
È»ºóÔÙÈ¥Á˽âһϸ÷ÖÖÉ豸µÄÔÀí£¬²»È»µÄ»°ÎÒ˵µÄ»°Â¥Ö÷¶¼ºÜÄÑÀí½â¡£¡£¡£¶øÓкܶàHIFI¼¼ÊõÄã²»Á˽âÕâЩ£¬Á¬¿´¶¼¿´²»¶®¡£ ллÄãµÄ½¨Ò飬ÎÒ³ýÁËÊý×Ö½çÃæûÓùý£¬¼ÒÍ¥ºÍ±ãЯ¶¼ÓÐÔÚÍ棬·¿¼äºÍµç¶¼Óмòµ¥Íæ:handshake£¬²»¹ý£¬È·ÊµÊÇÕ⼸Ìì²Å¿ªÊ¼ÈÏÕæÑо¿JitterºÍÊý×ÖÒôƵµÄϵͳÐÔÄÚÈÝ¡£
icbcodc
·¢±íÓÚ 2023-1-27 00:20
jeffk ·¢±íÓÚ 2023-1-26 06:56
Îҵľ߱¸clockinµÄÉ豸ÈçÏ£º
1. Éù¿¨£ºRME HDSPe AES£¬ÓÃÓÚ¿ÍÌüHTPC
2. Éù¿¨£ºLynx AES16e£¬ÓÃÓÚÊé·¿ ...
1. ÒÔÉÏÿһ¸öʱÖÓÉ豸£¬¶¼ÄÜÈÃÊý×ÖÒôƵ¸üÉÏÒ»²ãÂ¥¡£ ¿ÉÒÔ¸üÏêϸµÄ·ÖÏíÏÂÄãÄ¿Ç°ÔÚÓõÄʱÖÓ£¬Ê¹ÓÃÇ°ºó£¬ÉùÒôµÄÄÄЩ·½Ãæ¸üÉÏÁËÒ»²ãÂ¥£¿
2. ¹ó²»´ú±íºÃ¡£ ÎÒͬÒ⣬ÊʺϵÄ×îºÃ¡£
3. ÒÔÉÏword clockÅÅÃû£ºGrimm CC2>Black Lion MKIII XB(¸ÄÏßµç)>FOS-3(¸ÄÏßµç)>Antelope OCX=Apogee Big Ben(¸ÄÏßµç)>Mutec MC3+(ÆäÖÐ×î¹óµÄÊÇAntepole OCX¡¢×î±ãÒ˵ÄÊÇFOS-3)£¬Èç¹û²»¸ÄÏߵ磬Big Ben×î²î£¬¶øBig BenÔÀ´µÄµçÔ´¾ÍÊDZ»´µÅõÉÏÌìµĄ̈ÍåÃ÷γ¡£ ʱÖÓºÜÐèÒªÎȶ¨´¿¾»µÄµç£¬Õâ¸öÊÇÀÏÉյľÑ飬ÎÒÊÇÏàÐÅ¡£
4. 10MÅÅÃû£ºGPSDO(¸ÄÏßµç)>SRS-PRS10>FE5680(×î¹óµÄÊÇSRS-PRS10¡¢×î±ãÒ˵ÄÊÇGPSDO) Õâ¸öÓеã¿äÕÅÁË£¬10Mï¨ÖÓÊÇʲôÌý¸ÐÌáÉý£¬ÄÜÏêϸ·ÖÏíÏÂÂð£¿
5. FOS-3ºÍAntelope OCX¼Ó¹Ò10MҲƴ²»¹ýGrimm CC2ºÍBlack Lion MKIII XB£¬10Mï¨Ô×ÓÖÓÊÇÒ»¸öÃÀÀöµÄ´íÎó¡£ ÎÒ֮ǰÌýµ½ÓÃͳһʱÖÓҪôÊdz¬°º¹óµÄ¼ÒÍ¥ÒôÏìϵͳ£¬ÒªÃ´¾ÍÊÇÒôƵÁ´Â·ÀïµÄÉ豸Öڶ࣬±ÈÈ糬¹ý5¸öµÄÊý×ÖÒôƵÉ豸µÄ¼ÒôÅï¡£
ÎÒÓÐһ̨PRS10ÍÁ³h£¬ÔÙÒ»´Î¸ºÔðÈεĸæË߸÷룬798ÈËÃñ±Ò¸ÄÏßµçµÄ¹ú²úGPSÖÓÇáËÉKµ¹1695ÃÀÔªµÄPRS10ï¨ÖÓÍÁ³h£¬ÎÒÌرðÇ¿µ÷ÍÁ³h£¬ÊÇΪÁËÇø±ðÓÚÓµÓÐרÊôÏß·Éè¼ÆµÄEsotericºÍAntelopeµÄ10Mï¨ÖÓ£¬ÒòΪÎÒûÌý¹ýËüÃÇ£¬ËùÒÔ²»ÄÜ´ú±íÖйúÈË×ÔÐÐÉè¼ÆµÄGPSÖÓÄÜ´ò°ÜËüÃÇ£¬µ«ÊÇÎÒÒªÔÙÇ¿µ÷Ò»±é£¬ÕâЩ¹óÉɵĸ߼¶É豸µÄʱÖÓÐźÅÔ´¶¼ÊÇPRS10¡£ ÎÒ²éÁËÏ£¬Ã»ÕÒµ½£¬PRS10ʱÖÓÓйٷ½¶¶¶¯Êý¾ÝÂð£¿
ÒòΪGPSÖÓ±»ÖйúÈ˸ã³öÀ´ÁË£¬²¢ÇÒ»¹ÒԵͼÛÎÊÊÀ£¬Õâ×ã×ã´ú±íÒ»¸öÊÂʵ£¬Èκο´ÆðÀ´Î°´ó²»µôµÄÍæÒ⣬һµ©±»ÖйúÈ˸㶨¾ÍÊǰײ˼ۣ¬Õâ±¾À´Ó¦¸ÃÊÇÖµµÃ¸ßÐ˵ÄÊÂÇ飬µ«ÊÇÎÒÈ´·¢¾õÔÚÍøÉϱáµÍÅú¶·GPSÖÓ¶¼ÊÇÖйúÈË×Ô¼º£¬·´¶øÎÒÃÇÔŲ́ÍåÓÐÒ»ÅúHTPCµÄÍæ¼Ò£¬Éù¿¨¶àÊýÊÇRME£¬ÔÚ´îÅäÕâ¸ö¹ú²úGPSÖÓºó¸ö¸ö¶¼¹ÄÕƽкá£WHY£¿ ÊÇÕâ¸öµÀÀí£¬ÖйúÈËÄÜ×ö³öÀ´µÄ²úÆ·£¬¼Û¸ñ¶¼ºÜ¿ì»á½µÏÂÀ´£¬Èç¹ûÆ·ÖÊÓб£Ö¤£¬¶ÔÓû§È·ÊµÊǺÃÊÂÇé¡£ÎÒ֮ǰÌý¶¼Ã»Ìý˵¹ýGPSÖÓ¡£
×îºóÒ»¸öÖҸ棺ÏëÍæʱÖÓÊ×ÏȱØÐëÓµÓÐÒ»¸ö¾ß±¸clockinµÄÉ豸£¬Èç¹ûÄãµÄÊý×ÖÊä³öÉ豸ûÓÐclockinµÄ¶Ë×Ó£¬ÄÇôÇëÄãÂôµôÔÙÖØÂò£¬Ç§Íò²»ÒªÈ¥ÂòÏ´Ë®µÄÀ¬»øÈ纣Â×£¬Ò»Ì¨º£Â×Ë÷¼Û¾¹È»³¬¹ý1ÍòÈËÃñ±Ò£¬ÇëÎÊ´ó¼Ò¶¼ÊÇ·èÁË»¹ÊÇɵÁË£¿RME HDSPe AES¶¨¼Û1200ÃÀÔª£¬¼ÓÉÏ798ÈËÃñ±ÒµÄGPSÖÓ(ÏÖÔÚËƺõÓÐ498µÄ°æ±¾)£¬1ÍòÈËÃñ±Ò»¹ÓеÄÕÒ¡£ лл·ÖÏí£¬ÒÔÎÒÄ¿Ç°µÄʵ¼ÊÉ豸£¬»¹ÓÐÎÒ¶Ôʱ»ù¶¶¶¯µÄÈÏÖª£¬ÎÒÈÏΪÎÒÔÝʱ²»»áʹÓöÀÁ¢ÍⲿʱÖÓµÄģʽ¡£
ÎÒ»¹ÓÐÁ½¸öÎÊÌ⣬µÚÒ»£¬ÄãµÄʱÖÓÉ豸ÔÚÒôƵ»Ø·ÅϵͳÀïÕ¼°Ù·ÖÖ®¼¸µÄͶÈ룿µÚ¶þ£¬¶ÔÓÚPCHIFI£¬Äã¾õµÃË«»úģʽÊDz»ÊÇÒ»Öָ߶˵ÄÑ¡Ôñ£¿
icbcodc
·¢±íÓÚ 2023-1-27 00:25
Á½Ïá°®ºÃÕß ·¢±íÓÚ 2023-1-26 07:00
°Ý¶ÁÁË£¬ºÃÎÄ!
ÎÒÊÇÐÂÊÖ£¬Çë¶à¶àÖ¸½Ì£¡:handshake
icbcodc
·¢±íÓÚ 2023-1-27 00:39
tomman ·¢±íÓÚ 2023-1-26 08:10
ÕâÖÖ·ÖÎöÈç¹ûÊÇ»ùÓÚÈ˵ĸÐÖª£¬Ö÷¹ÛÐԱȽϴó£¬Ò²¾ÍÊǸöͳ¼ÆÖµ£¬»òÕß˵ÊǸö²»È·¶¨µÄÊý×Ö¡£ÒôƵ·ÖÎöÒÇ¿ÉÒÔ²â ...
ÕâÖÖ·ÖÎöÈç¹ûÊÇ»ùÓÚÈ˵ĸÐÖª£¬Ö÷¹ÛÐԱȽϴó£¬Ò²¾ÍÊǸöͳ¼ÆÖµ£¬»òÕß˵ÊǸö²»È·¶¨µÄÊý×Ö¡£ È˶Զ¼¶¶¶¯µÄÌý¸Ð·Ö±æÄÜÁ¦Ö»¿ÉÄÜͨ¹ýÖ÷¹ÛÌýÒô·½Ê½À´Ñо¿£¬Ä¿Ç°²»¿ÉÄܲâÁ¿µ½¸ÐÖª¡£ÒôƵ·½ÃæÈç¹ûÊý¾Ý¹ÌÈ»ÖØÒª£¬×îÖÕ»¹ÊÇ·þÎñÓÚÌý£¬²»È»Ôõô»áÓжú¶äÊÕ»õһ˵ÄØ¡£
ÒôƵ·ÖÎöÒÇ¿ÉÒÔ²âÁ¿¶àÉÙÁ¿µÄ¶¶¶¯¶ÔÒôƵָ±êµÄÓ°Ïì¡£ Êǵģ¬Æ¯ÁÁ¹úµÄAP¹«Ë¾µÄÒôƵ·ÖÎöÒÇÔÚ²âÁ¿Ê§Õ棬¶¶¶¯·½ÃæÊǺÜȨÍþºÍרҵµÄ£¬²Î¿¼ÈýÎÄÕµÄ×÷Õߣ¬¾ÍÊǾÍÖ°ÓÚAP¹«Ë¾¡£µ«ÊÇ£¬¶àÉÙ¶¶¶¯Ê§ÕæÄܱ»È˸ÐÖªµ½£¬Ö»ÓÐʵÑé²ÅÄÜ´ó¸ÅÖªµÀ¡£
¶ÔÓÚµ½µ×¶à´óµÄ¶¶¶¯¶ÔÌý¸ÐÓжà´óµÄÓ°Ï죬Õâ¸ö²»ºÃ˵£¬ÒòÈ˶øÒ죬×ÜÖ®Äض¶¶¯Ô½Ð¡Ô½ºÃ£¬ÖÁÓÚÓÐûÓбØÒª£¬Òª¿´×Ô¼ºµÄÇ®°ü¡£ Êǵģ¬ËùÒÔÓÐÒ»ÃÅ¿Æѧ½Ð×öͳ¼Æѧ£¬Í¨¹ýÒ»¸öÏà¶Ô´óµÄÇÒÓÐÒ»¶¨´ú±íÐÔµÄÑù±¾£¬¿ÉÒÔ´óÖ·ÖÎö¸ü¹ã·ºµÄ£¬Í¨ÓõĽáÂÛ¡£²»¹ýÕâ¸öʵÑ飬Ëƺõ»¹Ã»Óе½´ïͳ¼ÆѧµÄ¹æ·¶¶È¡£µ«ÊÇ£¬²»ÉÙרҵÈËÊ¿ºÍ·ÇרҵÈËÊ¿¶¼Ìý²»³öºÜСµÄ¶¶¶¯£¬ÎÒÃǾÍÓбØÒª¿¼ÂÇÊDz»ÊÇÓбØÒª°Ñ¶¶¶¯µ±Ò»¸öÓÅÏÈÉõÖÁÊǺÜÖصÄÊÂÏîÀ´¶Ô´ý£¬ÊDz»ÊǶ¶¶¯Ô½Ð¡Ô½ºÃ£¬ÔÚÔ¤ËãÓÐÏÞµÄÇé¿öÏ£¬Ó¦¸Ã»¹Óкܶà¸üÓÅÏȵÄÊÂÏî¡£
qazpl963
·¢±íÓÚ 2023-1-27 04:50
±¾Ìû×îºóÓÉ qazpl963 ÓÚ 2023-1-27 05:36 ±à¼
icbcodc ·¢±íÓÚ 2023-1-26 23:23
¿´À´£¬»¹ÊÇÒª¼ÌÐø·ÒëÌÖÂÛ֮ǰµÄͼƬ£¬²ÅÄܽâ¾öÁ½¸öÎÊÌ⣺1.ʵÑéÊÇÈçºÎÄ£ÄâÉú³ÉJitter¼ÓÈëµ½ ...
¡° Çë×Ðϸ¿´¿´ÉÏÃæµÄͼƬ£¬ÎÒÔçÇ°µÄ»Ø¸´¥Ëµ¹ý¡°Èç¹ûÎÒµÄÓ¢ÎÄÀí½âÕýÈ·µÄ»°£¬2.2½Ú£¨ÈçÏÂͼ£©ÊǽâÊÍʵÑéÈçºÎÄ£Äâ²úÉú¶¶¶¯JitterÐźŵģ¬°üÀ¨ÁË£º1.²åÖµ¡¢2.ÒÆλ²ÉÑù 3.¿¹»ìµþ¹ýÂË ÕâЩ¹ý³Ì¡£ÎÒÈÏΪÉè¼ÆÕßÊǶ®Êý×ÖÒôƵ²ÉÑù»ù±¾ÔÀíµÄ¡£¡±
ÎÒÔÚÉÏͼÖÐÌØÒâ¼ÓÈëÁË5¸öºìÉ«µÄ¼ýÍ·£¬ÓÃÀ´¸ü¼ÓÃ÷È·µØ±íʾʵ¼Ê¶¶¶¯µÄ·½Ïò¡£¿ÕÐÄÔ²ÊÇÔʼ²ÉÑùµã£¬Ê±¼äÉ϶ÔÓ¦Ôʼ²ÉÑùʱ¼ä¡£¶ÔÓÚ×î×ó²àµÄºì¼ýÍ·£¬²ÉÑùµã1¶ÔÓ¦µÄ¿ÕÐÄÔ²ÊÇÔʼÊý¾Ýµã£¬Ä£Ä⵱ʱ»ù¶¶¶¯ÏòÓÒʱ£¬²úÉúеÄʱ¼äµã¶ÔÓ¦µÄºÚÉ«Èý½ÇÐΣ¬Í¬Ê±µÃµ½ÐµÄÐéÏß±íʾµÄ²¨ÐΣ¬Õâʱ£¬¿ÉÒÔÐÞ¸ÄÔʼÊý¾Ý£¨¿ÕÐÄԲλÖ㩳ÉеÄÊý¾Ý£¨¿ÕÐÄÁâÐÎλÖã©£¬ËüÃǶ¼ÔÚͬһ¸öÊýÖµµÄ´¹Ö±ÐéÏßÉÏ¡£
ÄãÈÏΪµÄ¡°Ôõô¸ÄÊý×ÖÎļþÒ²ÎÞ·¨Ó°Ïìµ½Êý×ÖÐźŵÄJITTER¡£¡±Âß¼ÉÏÏÔÈ»²»³ÉÁ¢£¬ÒòΪÎÄÕÂÒѾÓÃÉÏͼµÄ·½Ê½Çå³þµØÄ£Äâ³öÀ´ÁË£¬ÉÏÃæµÄÎÊÌâ1ÊDz»Êǽâ¾öÁË£¿Èç¹ûûÓУ¬ÎÒÃÇ¿ÉÒÔ¼ÌÐøÌÖÂÛ¡£¡±
¶ÔÓÚÎÊÌâ2£¬ÎÒ֮ǰ»Ø¸´¾ÍÒýÓùýÔÎÄ˵Ã÷¹ý£¬ÔÙ¸´ÖÆÒ»´ÎÈçÏ£º
ÔÎÄ2.2²¿·Ö£¬ÈçÏÂͼ£¬Ìáµ½¡°It was confirmed that the distortions obtained by this method using sinusoidal signals exactly agreed with what were predicted by the phase modulation theory .¡±
Òâ˼ÊÇ ¡°¾Ö¤Êµ£¬ÓÃÕâÖÖ·½·¨µÃµ½µÄÕýÏÒÐźŵÄʧÕæÓëÏàλµ÷ÖÆÀíÂÛËùÔ¤²âµÄÍêÈ«Ò»Ö¡£¡±£¬²Î¿¼ÁË¡¾2¡¿ÀïµÄÎÄÕ£¬ËùÒÔÔÛÃDz»Óû³ÒÉÄ£Äâ³öµÄʧÕæÄܲ»ÄÜ´ú±íʵ¼ÊµÄ¶¶¶¯Jitterµ¼ÖµÄʧÕæ¡£
ÕâÑù£¬ÎÊÌâ2ÊDz»ÊÇÒ²²»ÊÇÎÊÌâÁË£¿¡°
ÕâÀïÍêÈ«ºÍÊý×ÖÐźŵÄJITTERÎ޹أ¬£¬Õâ¾ÍÊÇDSP+ÖزÉÑù¡£¡£¡£ÎÒ²»Çå³þÄãÄÄÀï¿´³öÁ˺ÍÊý×ÖÐźŵĶ¶¶¯ÓйØÁË¡£¡£Íêȫû¿´µ½ÄÄÀïÄ£Äâ³öÀ´ÁË¡£
¡± ÏÈ˵һ¸öÊý×ÖÒôƵµÄ»ù±¾¶¨Àí£¬"Äοü˹ÌزÉÑù¶¨Àí"£¬¼òµ¥Ëµ¾ÍÊÇ£ºÈç¹ûÒ»¸ö¸´ÔÓÊý×ÖÐźŵÄ×î¸ßƵÂÊÊÇ F hz£¬×îÉÙÓÃ2F hzµÄ²ÉÑùÂÊ£¬¾Í¿ÉÒÔÕýÈ·µØ²ÉÑùÕâ¸ö¸´ÔÓÊý×ÖÐźš£Õâ¸ö¶¨ÀíÊǾ¹ýÑϸñÊýѧ֤Ã÷µÄ¡£ÄãÉÏÃæµÄ»³ÒÉÊDz»ÊÇ¿ÉÒÔÕâÑùÀ´±í´ï£¬Ö»¸Ä±äÁ¿»¯µãµÄ¸ß¶È£¨·ùÖµ£©£¬²ÉÑùµã²»±ä£¬Äܲ»ÄÜÕý³£²ÉÑùºÍ»¹ÔеĴø¶¶¶¯µÄÐéÏß²¨ÐΡ£
ÕâÑù¿´£¬´ð°¸ÊDz»ÊdzÉΪ£¬ÍêÈ«¿ÉÒÔÁËÄØ?¡°
ÎÒûÓл³ÒÉ£¬Õâ¸ö·½·¨È·Êµ¿ÉÒÔ£¬ÎÒÈÏͬ£¬¾ÍÊÇÆÕͨµÄÖزÉÑùËã·¨£¬ÊÇÎҵĻ°ÎÒ»áÖ±½ÓÔö¼Ó²ÉÑùµã£¨ÉýƵ£©¡£ÖÁÓÚÕâ¸ö·½·¨ÊÇ·ñÍêÃÀ£¬ÍêÃÀµÄ»°¾ÍûÓÐÄÇô¶àÉýƵËã·¨ÁË¡£¡£
"ÄãÕâÀïµÄ»³ÒɺÍÇ°ÃæÆäʵÊÇÏàͬµÄ¡£ÎÒ¾õµÃ¶ÔÓÚÎÒÀ´Ëµ£¬ËûµÄʵÑéÒѾ×öµ½ÁËÒýÈëÈËÔ춶¶¯Jitterµ½Êý×ÖÎļþÁË¡£"
¼ÓÈëJITTERµ½Êý×ÖÎļþ²»»áÓ°ÏìÊý×ÖÐźŵÄJITTER
¡±Èç¹ûÕâÑù¿¼ÂÇ£¬ÊµÑéµÄ×ßÏò¾Í±äÁË£¬²»ÊǼì²âÖ÷¹ÛÈËÌýµ½¶¶¶¯µÄãÐÖµ£¬¶ø±äΪ²âÁ¿ÊµÑé×¼±¸µÄÊý¾ÝÊÇ·ñ׼ȷ£¬±¾ÖÊÉÏ»¹ÊÇ»³ÒÉʵÑé×¼±¸µÄÊý¾ÝÓÐÎÊÌâ¡£ÈÔÈ»ÐèÒª»Øµ½Ç°ÃæµÄÎÊÌâ1ºÍÎÊÌâ2¡£¡®
²»Í¨¹ýÕâÖÖ·½·¨ÎÞ·¨Ôö¼ÓÊý×ÖÐźŵÄJITTER
¡° Äã¼ÈȻһֱ¶ÔʵÑéµÄÈËÔìʱ»ù¶¶¶¯JitterµÄÓÐЧÐÔ±íʾ»³ÒÉ£¬ÎÒÈÏΪÓбØҪ˵Ã÷Õæʵʱ»ù¶¶¶¯JitterÈçºÎÔÚ²ÉÑù²úÉúµÄ£¬×îÈÝÒ×Àí½âʱ»ù¶¶¶¯Jitter²úÉúµÄ½×¶Î£¬¾ÍÊÇA/DºÍD/Aת»»µÄ¹ý³Ì£¬°ÑÕâ¸ö¹ý³Ì¸ãÇå³þ£¬¾ÍÈÝÒ׸ãÇå³þʵÑéµÄÄ£Ä⣬ÈËÔìʱ»ù¶¶¶¯ÊDz»ÊÇÓÐЧµÄÁË¡£
Õâ¸öʵÑé¾ÍÊÇͨ¹ý°ÑÈËÔ춶¶¯¼ÓÈëµ½Êý×ÖÐźÅÖУ¬Í¨¹ý»Ø·Å£¬ÈÃרҵºÍ°ëרҵÈÏʶÕÒµ½ËüÃÇÌý²»³ö¼ÓÈ붶¶¯ÒýÆðµÄ²»Í¬µÄ´óÖÂλÖá£ÕâÑùµÄʵÑéÎÒ¾õµÃÊÇÒ»Öֱȴ¿²âÁ¿Ê±»ù¶¶¶¯Jitterµ¼ÖµÄʧÕ棬¸üÓÐÒâÒåµÄʵÑ飬ÒòΪÎÒÃÇ×îÖÕ»¹ÊÇÌýÒôÀÖ£¬¶ø²»ÊDzâÁ¿ÒôÀÖÐźŵġ£¡¯¡±Ê±»ù¶¶¶¯×îÈÝÒ×Àí½âµÄÀ´Ô´¾ÍÔÚADCºÍDACµÄ²ÉÑù¹ý³ÌÖС£ÓÐûÓкõÄ×ÊÁÏ¿ÉÒÔ¸øÎҲο¼£¬ËµÃ÷USB´«µÝÊý¾ÝµÄ¶¶¶¯ÊÇÔõôÑùµÄ£¿¡°
ÎÒÖ±½Ó¸øÄãÑÝʾһÏ°ɡ£ÎÒÒª´«ÊäÊý¾Ý100£¬´ú±íµçÁ÷4A£¬ÄãÐÞ¸ÄÊý¾Ý¿ÉÒÔ£¬±ÈÈç˵¸Ä³É101£¬ÄǾÍÊÇ°Ñ´ú±íµÄµçÁ÷¸Ä³É5A£¨Õæʵ¾ÍÊÇ16bitÊý¾Ý£¬ÎÒ¾ÍÓÃ3bit´úÌæÁË£©£¬È»ºóDAºóÄ£ÄⲨÐÎȷʵ»á·¢Éú±ä»¯£¬Ò²¾ÍÊDzúÉúµÄÎÄÕÂÀï˵µÄ¶¶¶¯£¬µ«ÊÇ
Êý×ÖÐźŵĶ¶¶¯ÊÇÄãÔõô°Ñ100´«µ½DAC.¼ÌÐøÑØÓÃ5VΪ1£¬3VΪ0£¬0VΪc¡£¼ÙÉèÀíÏë״̬ÏÂΪ100ns´«µÝ1£¨µÚһ룬µçѹ±äΪ5V£©£¬200ns´«µÝ0£¨µÚ¶þ룬µçѹ±äΪ3V£©£¬300ns´«µÝ0£¨µÚÈý룬µçѹ±äΪ3V£©
ÄÇô·ÇÀíÏëÇé¿ö¼ÓÈ붶¶¯¾ÍÊÇ£¬100ns+-2nsµÄʱºòµçѹ±äΪ5V+-0.1V£¬200ns+-2nsµÄʱºòµçѹ±äΪ3V+-0.1V£¬300nsµÄʱºòµçѹ²»±ä£¨Êµ¼Ê¸ü¼ÓÔã¸â£©
¶øÄãÐÞ¸ÄÊý×ÖÎļþºó£¬¾Í±ä³ÉÁË100ns+-2nsµÄʱºòµçѹ±äΪ5V+-0.1V£¬200ns+-2nsµÄʱºòµçѹ±äΪ3V+-0.1V£¬300ns+-2nsµÄʱºòµçѹ±äΪ5V+-0.1V
¿ÉÒÔ¿´³ö¶¶¶¯ºÁÎޱ仯£¬Äܹ»Ó°Ïìµ½µÄÖ»ÓÐÄ£ÄâÐźŲ¿·Ö¡£¾ßÌåµÄJitter Theory ÓÃÁËʾ²¨Æ÷£¬ÄãÓ¦¸Ã¿´µ½ÁËѽ¡£
¡± ½¨ÒéÄã¿´¿´ÎÒÔÚһ¥Ìáµ½µÄ²Î¿¼Èý£º¡¶Jitter Theory ¶¶¶¯ÀíÂÛ¡· - by Julian Dunn2000Äê ÀïÃæJitterµÄ²úÉú²¿·ÖµÄÄÚÈÝ£¬·Ç³£Ïêϸ¡£
¶¶¶¯µÄÀ´Ô´£¬"¼òµ¥Ëµ£¬Ò»¸ö»·½ÚÊDzÉÑù£¨°üÀ¨ADCºÍDACµÈ£©£¬ÁíÒ»¸ö»·½ÚÊÇÊý×Ö½Ó¿Ú£¨°üÀ¨Êý¾Ý·¢ËͶ˺ͽÓÊն˵Ķ¶¶¯¡¢Ï߲ĵÄÏß·ËðʧÒÔ¼°ÔëÉùºÍÆäËûÔÓÉ¢ÐźŶ¼»áÔì³É¶¶¶¯£©"¡°Jitter Theory˵µÄ¾ÍÊÇÊý×ÖÐźŵĶ¶¶¯£¬Ò²Óõ½ÁËʾ²¨Æ÷£¬Äã¿ÉÒÔ¿´µ½ÕâÀïµÄ¶¶¶¯¶¼ÊÇns¼¶±ðµÄ¡£¡£Ôõô¿ÉÄܳöÏÖ1usÕâô¿Ö²ÀµÄ¶¶¶¯¡£¼´Ê¹Èç´ËÄãÒ²¿ÉÒÔ¿´µ½£¬´«ÊäµÄÊý×ÖÐźźÍÀíÏëÊý×ÖÐźÅÏà²îÉõÔ¶¡£¡£
Äã˵µÄÔÙADCºÍDAC»·½Ú£¬ÎÒ¿´µ½ÁË¡±Jitter in Sampling Processes¡°£¬Â¥Ö÷ÕâÀïÓÖ±í´ïµÄ²»×¼È·¡£¡£ÕâÀï˵µÄÊÇSRC¡£¡£»òÕß˵¾ÍÊÇÖزÉÑù£¨Ö±½Ó·ÒëÊDzÉÑù´¦Àí£©¡£¡£DACÀï¾ÍÊÇÉýƵ½Ð×öoversample»òÕßÊÇÂ˲¨¡£¡£¡£ÕâÀïµÄ¶¶¶¯ÊÇȷʵ»áÓ°Ïìµ½Êý×ÖÐźŵĶ¶¶¯µÄ¡£¡£ÓкܶàÒôƵºóÆÚ´¦ÀíÉ豸»áÏÈÉýƵ½øÐÐDSPÈ»ºóÔÙ½µÆµ¡£Õⲿ·Öȷʵ»á²úÉúÊý×Ö²¿·ÖµÄJITTER¡£
»¹ÓÐinterface¾ÍÊÇÎÒÃÇ˵µÄ½çÃæ¡£¡£Ó¢ÎÄÀï½çÃæ¾Í½Ðinterface¡£¡£
Ëûȷʵ˵ÁËJITTER»áÀۼƣ¬µ«ÊÇËûÕâÀï˵µÄÊÇͬһÖÖ½Ó¿Ú£¨AES£©¡£ÍêȫûÓвâÊÔת³ÉÆäËûÊý×ÖÐźŵÄjitterÊÇÔõôÑùµÄ£¨²»¹ýµ¹ÊÇÓÐÒ»¶Î˵»á´«µ½ºóÃæµÄÊý×ÖÐźÅÉÏÈ¥£©¡£µ«ÊǺÍÄ£ÄâÐźÅûÓÐÈκιØÁª¡£È«²¿¶¼ÊǼ¯ÖÐÔÚÊý×ÖÐźŲ¿·Ö¡£ÉõÖÁÕâЩJITTERÀۼƻá²úÉúʲôӰÏ죬ÎÒɨµÄ¿ìû¿´µ½¡£¡£²»¹ýÍƲâ¿ÉÄÜ»á²úÉúÊý¾Ý´íÎ󣬾ÍÊÇÔì³ÉÉÏÃæÄÇƪÎÄÕµÄÔÚDA»·½ÚµÄÄ£ÄâÐźŶ¶¶¯¡£¡£µ«ÊÇÕâЩÊÇAD»·½ÚµÄ¶¶¶¯¡£¡£AD×îºó²úÉúµÄÊý×ÖÎļþ£¬¶øDA²úÉúµÄÄ£ÄâÐźš£ËùÒÔÎÒҲ˵ÁËADºÍDAÍêÈ«²»Ò»Ñù¡£¡£´ÓÊý²¥µ½DACÕâÀïÃæ³öÏÖÁË´«´íÊǺÜÀëÆ׵ĴíÎó¡£
¡±ÄܾßÌå·ÖÏíϾßÌå´¦ÀíUSBʱÖӵľÑéÂ𣿠ÎÒÒ²¾õµÃÊý×Ö²¿·Öʱ»ù¶¶¶¯²»Ó¦¸ÃÊÇÓÅÏȵ£ÐĵÄÎÊÌ⣬ÎÒÒ²»³ÒÉÓÐûÓÐÈËÄÜÌý³öpsƤÃëÉõÖÁÊÇfs·ÉÃ뼶±ðµÄ¶¶¶¯¡£¡°Éù³¡´óÁËÒ»µãµã¾ÍÕâÑù¡£¾§ÕñÊÇ24MKZ 3PPBµÄOCXO¡£
¡°ÎÒµÄÓ¦Óó¡¾°ÊÇÆ»¹ûÊÖ»úͨ¹ýÊý×Ö½Ó¿ÚÁ¬½Ó½âÂëÆ÷£¬Èç¹ûÖ±½ÓÓÃLightningתͬÖáÏßÖ±½ÓÁ¬½ÓDAC£¬¶ø²»ÓÃUSB½çÃ棬»áÓÐʲôÎÊÌâÂ𣿡±²»Çå³þÕâÖÖ£¬Ò²Ã»Óмûµ½Èκη¢ÉÕÓÑÓÐÕâÑùÊÔ¹ý¡£²»¹ýÄ㶼ÓÃÊÖ»úÁË£¬Ò²¿ÉÒÔÎÞÊÓJITTERÔì³ÉµÄÓ°ÏìÁË¡£
¡±CSÊÇÖ¸µÄʲô£¿ Äã²»»á˵µÄComputer ScienceµÄ±¾¿Æ°É£¿:lol¡°¶ÔµÄȷʵComputer ScienceµÄ±¾¿Æ¡£¡£
qazpl963
·¢±íÓÚ 2023-1-27 05:47
±¾Ìû×îºóÓÉ qazpl963 ÓÚ 2023-1-27 05:57 ±à¼
²¹³äÒ»ÏÂÉÏÃæµÄ£¬ÒÔR2RΪÀý£¬¼ÙÉè´«ÊäΪ111£¨7A£©£¬¾¹ýDACµÄ¸÷ÖÖ´¦Àíµ½ÁËDA»·½Ú
ÀíÏëÇé¿öÏÂÕâʱºò3¸ö1Ó¦¸Ãͬʱ½øÈëDA£¬¶ø²»ÊÇUSBÐźŻ·½ÚÒ»¸ö¸öÀ´¡¢
µ«ÊÇʵ¼Êµç·¾ø¶ÔµÄ¡±Í¬Ê±¡°ÊDz»ÏÖʵµÄ£¬ÎҾͼÙÉèÕâ¸öʱºòµÚÒ»¸ö1±ÈµÚ¶þ¸öºÍµÚÈý¸ö1ÍíÁË1us£¬ÄÇôDA³öÀ´ÔÚÔ±¾Ó¦¸Ã³öÏÖ7AµÄʱºò±ä³É3A£¬È»ºóÔÚ1usºó±ä³ÉÁË7A.
ÕâÀï¾ÍÊÇÃ÷È·µÄÊý×ÖÐźŶÔÄ£ÄâÐźŲúÉúµÄÓ°ÏìÁË¡£ÄÇôÎÊÌâÀ´ÁË£¬USBÐźŵÄjitter¾¹ýÄÇô¶àת»»ºÍ´¦Àí£¬ÌرðÊÇÉýƵÄÇÊÇÒªÓõ½´óÁ¿Êý¾Ý£¬Èç¹ûÕæµÄJITTERÊǼӷ¨ÀÛ»ýµÄ£¬ÄÇôÒÔ1M TAP£¨²Î¿¼M scale£¬ÉýƵËã·¨¾ÍÊdz£ÓõÄËã·¨£©Ã¿16bitµÄÊý¾ÝÓõ½µÄÊý¾ÝΪÖÁÉÙΪ32Mbit£¨Êµ¼Ê»á¸ü¶à£©£¬¶øÄÄÅÂÿ¸öbitÖ»ÓÐ1psµÄjitter£¬ÄãÖ±½Ó³ÉÒÔ32M£¬ÕâjitterÖ±½ÓÒÔmsËãÁË£¬µ±È»Êµ¼Ê¿Ï¶¨²»ÊÇÕâôËãµÄ£¬ÄÇôʵ¼Êµ½ÁËÄ£ÄâÐźÅÕâÀï»á²úÉú¶à´óÓ°Ïì¡£
wxcxyz
·¢±íÓÚ 2023-1-27 13:16
blurSong ·¢±íÓÚ 2023-1-23 20:31
ºÃÎÄÕ¡£¶¶¶¯ÊÇʱÐòÊý×Öµç·×î»ù´¡µÄ¸ÅÄ¶øÇÒºÜÒź¶£¬Ö»ÒªÕýÈ·µØÉè¼Æ²¼ÏߺͲâÊÔ£¬±£Ö¤½¨Á¢Ê±¼ä¼ì²éºÍ±£³Ö ...
Ò»Õë¼ûѪ£¡£¡£¡
¶ÔÓÚµÚ¶þ¾ä»°ÊµÔÚÊÇÈÏͬµÄ²»ÄÜÔÙÈÏͬÁË¡£