Ï°À´½øÐн²Ìý²âÊÔ£¬ÇÒÔÚPDH/DSnºÍSDH/SONET½Ó¿ÚËÙÂÊÓµÓÐÇ¿´óµÄVF½âÂ빦ÄÜ¡£¶¶¶¯ºÍƯÒƲâÊÔͬ²½ÍøÂçÖеÄÊý¾ÝÍêÕûÐÔÔںܴó³Ì¶ÈÉÏÈ¡¾öÓÚʱÖÓºÍÊý¾ÝÐźŵÄÏàλÎȶ¨ÐÔ¡£¸ù¾ÝITU-T G.810¹æ·¶£¬µ±²»ÐèÒªµÄÏàλµ÷ÖÆƵÂÊ´óÓÚ10ºÕ×ÈÊÇ£¬³¤ÆÚ¶¶¶¯ÊÓΪ´æÔÚ¡£µ±ÆµÂʵÍÓÚ10ºÕ×È£¬Õâ¸ö²»ÐèÒªµÄµ÷ÖƾͳÉΪƯÒÆ¡£ÔÚSDH / SONETÍøÂçÖУ¬¶¶¶¯ÀÛ»ýÔںܴó³Ì...
Ï°¹ß£»5.²âÁ¿¼Ç¼²ÉÓü¯ÖÐʽÊý¾Ý¿â¹ÜÀí£¬¿É°´±»²â¼þÀàÐÍ¡¢Éú²úµ¥Î»¡¢³ö³§±àºÅ¡¢¼ì¶¨Ô±¡¢Ëͼ쵥λ¡¢É豸±àºÅ¡¢¼ì¶¨ÈÕÆÚºÍÓÐЧÈÕÆڵȲéѯºÍ¹ÜÀí¼ì¶¨¼Ç¼£»6.¿É´ÓÊý¾Ý¿âÖÐÑ¡¶¨¶àÌõ¼Ç¼³ÉÅú´òÓ¡¼ì¶¨¼Ç¼»òÕ߼춨֤Ê飻7.¿É½«¼ì¶¨Êý¾ÝÊä³öµ½Word¡¢Excel¡¢PDFÎĵµ£»8.¾ßÓÐÊý¾Ý±¸·ÝºÍ»¹ÔÊý¾Ý¿â¹¦ÄÜ£»9.Êä³ö¶àÖÖWord¸ñʽ±¨±í£¬²¢Ö§³Ö×Ô¶¨Ò屨...
Ï°£»2¡¢¼ò½àµÄ²Ù×÷½çÃ棬ÈκÎÈ˶¼ÄÜÇáËÉÉ趨ºÍ²âÁ¿£»3¡¢Ò»¼üÉú³Éͳ¼Æ·ÖÎö¡¢¼ì²â½á¹û±¨¸æµÈ¡£²úÆ·ÐͺţºCHT/CHS/CHX²úÆ·Ãû³Æ£ºÈ«×Ô¶¯Ó°ÏñÒÇXÖáÐг̷¶Î§£º£¨300-1200£©mmYÖáÐг̷¶Î§£º£¨200-1500£©mmZÖáÐг̷¶Î§£º200mm¹âÕ¤ÏÔʾ·Ö±æÂÊ£º0.1¦Ìm,0.5¦ÌmͼÏñ´«¸ÐÆ÷£º¸ßÇå²ÊÉ«¹¤ÒµÉãÏñ»úÔ˶¯µ¼¹ì£º¾«ÃÜÖ±Ïßµ¼¹ìÖ÷ÒªÌص㣺¾«×¼²âÁ¿£¬²Ù×÷¼òµ¥...
Ï°-45¡ª¡ª¡ª¡ªD b ³ß´çͼ ÎÂȪXXXX ÀàÐÍ1£ºInGaAs´ø¿í1:1.25G2:2.5G4:4.3G°ü×°1:a2:bS,spec.Á¬½Ó1,SC/APC2,FC/APC...
Ï°-40¡ª¡ª¡ª¡ªD b ×¢1£ºf1=400MHz£¬P1=-3dBm£»f2=450.25MHz£¬P2=-3dBm£»I=40%.Pavg=0dBm.Rload=50¦¸IMD2:f1+f2=850.25MHz.VR=12V³ß´çͼÎÂȪXXXX ÀàÐÍ1£ºInGaAs´ø¿í1:1.25G2:2.5G4:4.3G°ü×°1:a2:bS,spec.Á¬½Ó1,SC/APC2,FC/APC...
Ï°-45¡ª¡ª¡ª¡ªD b¡ª¡ª³ß´çͼ...
Ï°-45¡ª¡ª¡ª¡ªD b¡ª¡ª³ß´çͼ ...
ÉÏ°´ Set/Clear °´Å¥£¬¿ÉÒÔÔÚ²¨ÐÎÉÏ·ÅÖÃÒ»¸ö»ò¶à¸ö±ê¼Ç¡£ Èç¹ûÏëÔÚ²»Í¬±ê¼ÇÖ®¼äÒƶ¯£¬Ö»ÐèÔÚÇ°Ãæ°åÉÏ°´ Previous(<-) ºÍ Next(>) °´Å¥¡£ËÑË÷±ê¼Ç Search °´Å¥¿ÉÒÔ×Ô¶¯ËÑË÷³¤²É¼¯Êý¾Ý£¬²éÕÒÓû§×Ô¶¨Òåʼþ¡£ ËÑË÷±ê¼Ç»á¸ßÁÁ¶ÈÏÔʾËùÓÐʼþ·¢Éú£¬²¢¿ÉÒÔʹÓÃÇ°Ãæ°å Previous(<-) ºÍ Next(->) °´Å¥¼ò±ãµØÒƶ¯¡£ ËÑË÷ÀàÐÍ...
ÔÀí£ºÆä×÷ÓÃÊǶԹ⴫ÊäÏß·»ò¼¯³É¹â·ÖеĹâÐźŽøÐÐÏ໥ת»»»òÂß¼²Ù×÷µÄ¹âѧÆ÷¼þ¡£Ó¦Óó¡ºÏ£º5G´«ÊäµÄ¹âÏË»·Â·¡¢¶¯Ì¬ÅäÖ÷ֲ帴Óᢹâ·Çл»¡¢×Ô¶¯²âÁ¿¡¢¹âÏËÍøÂçÔ¶³Ì¼à¿Ø¡¢ÏµÍ³¼à²â¡¢ÊµÑéÊÒÑз¢¡¢¹â·¼à¿Øϵͳ¡¢¹â»·Â·±£»¤Çл»ÊÔÑé¡¢¹âÏË´«¸Ðϵͳ¡¢¹âÆ÷¼þ²âÊÔÓëÑо¿¡£ÐÔÄܲÎÊý ²úÖÐÖ¸±ê ²ÎÊýµ¥Î»23¡æ...
ANT-5ÊÇÊÀ½çÉϵÚһ̨ÊÖ³ÖʽSDH/PDH´«Êä·ÖÎöÒÇ,ÊÇÄ¿Ç°È«Çò´«Êä²âÊÔÖ÷Á÷²úÆ·,Êг¡Õ¼ÓÐÂʵÚÒ».ÒDZíÓ¦ÓÃÓÚ1.544Mµ½2.5GbsµÄSDH¹â´«ÊäϵͳµÄ°²×°,¿ªÍ¨ºÍά»¤¹¤×÷ÒÔ¼°´«ÊäÐÔÄÜ·ÖÎö²âÊÔ.ANT-5ÐÔÄÜÇ¿´ó,Éè¼Æ¾«ÇÉ,Я´ø·½±ã,SDH´«ÊäÍøÂçÏÖ³¡¹¤³ÌʦºÍά»¤¹¤³ÌʦÀíÏëµÄ²âÊÔ¹¤¾ß.ÒDZí¾ßÓÐÓѺõÄͼÐνçÃæ,Ö§³ÖÖÐÎĵIJ˵¥,²Ù×÷¼òµ¥,Ò×ÓÚѧϰÕÆÎÕ.ÃÀ¹ú...