Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 1561  |  »Ø¸´: 22
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

qint

ľ³æ (ÕýʽдÊÖ)


[½»Á÷] ·Ç´ÅÐÔ´¿½éµçËðʧÎü²¨²ÄÁÏ¿ÉÒÔÓ÷´ÉäÂʹ«Ê½¼ÆËãÂð£¿

ÈçÌâ¡£ÎÄÏ×Éϴ󲿷ֲÉÓÃRL=20log(|Z-1|/|Z+1|)¼ÆËã·´ÉäÂʵÄÎü²¨²ÄÁ϶¼º¬ÓдÅÐÔ£¬ÒòΪ¼ÆËãZµÄʱºò¾ÍÒªÓõ½´Åµ¼ÂÊ¡£

µ«ÊǶÔÓÚûÓдÅÐԵ쬴¿½éµçËðʧ»òµçµ¼ËðʧµÄÎü²¨²ÄÁÏ¿ÉÒÔÓÃRL¹«Ê½Âð£¿
±ÈÈçCÏËά¡¢SiC£¨´Åµ¼ÂÊʵ²¿=1£¬Ð鲿=0£©¡£

ʱºòÓÐÎÄÏ×Ö¤Ã÷£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qint

ľ³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
13Â¥: Originally posted by userhung at 2012-11-20 06:47:59
Êé±¾ÉϵĶ«Î÷ûÀí½â͸£¬½¨ÒéÔÙ¿´¿´Å¶~~~~~~~~

ÄúºÃ£¡ÎÒ¾ÍÊÇʹÓÃʯÀ¯×öÕ³½á¼ÁµÄ¡£´Åµ¼ÂʵÄʵ²¿ºÍÐ鲿´ó¸Å·Ö±ðÔÚ1.02ºÍ0.01×óÓÒ¡£

¹Ø¼üÊÇÎÒ¿´ºÜ¶àÎÄÏ×£¬¶¼ÊǽøÐÐÁË´ÅÐÔ²ôÔÓ»òÕßÌí¼Ó´ÅÐÔ×é·Ö²Å¼ÆËã·´ÉäÂÊ£¬²»¾ßÓдÅÐÔ»ò´ÅÐÔ¼«ÈõµÄ¾ÍÖ»±íÕ÷Á˽éµç³£Êý¡£


ÊéÉϵĶ«Î÷ÓÐʱºòÄÑ˵¾ßÌå¶ÔÏó°¡¡£¡£¡£
16Â¥2012-11-20 10:26:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 23 ¸ö»Ø´ð

qint

ľ³æ (ÕýʽдÊÖ)


ÔÎ ¶¼ÊÇÀ´Äýð±ÒµÄ£¿
9Â¥2012-11-19 21:51:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yueeryjf

Òø³æ (СÓÐÃûÆø)


¡ï ¡ï
qint(½ð±Ò+1): лл²ÎÓë
chemlh: ½ð±Ò+1 2012-11-21 10:42:01
chemlh: »¶Ó­»ý¼«½»Á÷ 2012-11-21 10:42:06
¿ÉÒÔËãѽ£¬²»´æÔÚ´¿½éµç»òÕß´¿´ÅËðºÄ²ÄÁÏ£¬×ÜÄܲâ³ö´Åµ¼ÂÊ¡£ÁíÍ⣬һ°ã¶¼»áÓÐÕ³½á¼ÁÓëÎü²¨¼ÁÒ»Æð¸´ºÏʹÓúͲâÊÔ¡£
10Â¥2012-11-19 22:50:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

userhung

½û³æ (ÎÄѧ̩¶·)


¡ï
qint(½ð±Ò+1): лл²ÎÓë
Êé±¾ÉϵĶ«Î÷ûÀí½â͸£¬½¨ÒéÔÙ¿´¿´Å¶~~~~~~~~
13Â¥2012-11-20 06:47:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] һ־Ը³¶«´óѧ071000ÉúÎïѧѧ˶³õÊÔ·ÖÊý276Çóµ÷¼Á +21 Ľ¾øcc 2026-04-09 25/1250 2026-04-14 11:26 by ²»ÎÒÀ­ÂÌ¿¨
[¿¼ÑÐ] 08¹¤Ñ§ 309·ÖÇóµ÷¼Á +10 Yin DY 2026-04-08 10/500 2026-04-14 10:56 by ²»ÎÒÀ­ÂÌ¿¨
[¿¼ÑÐ] Çóµ÷¼Á£¬985²ÄÁÏÓ뻯¹¤348·Ö +9 º­ÖñÁõ 2026-04-11 14/700 2026-04-13 22:26 by º­ÖñÁõ
[¿¼ÑÐ] BÇø0809 £¬ÊýÒ»Ó¢Ò»£¬290 Çóµ÷¼Á +3 ãöΫ1111 2026-04-12 4/200 2026-04-13 20:35 by ѧԱJpLReM
[¿¼ÑÐ] Çóµ÷¼Á +11 ºÎÆøÕý 2026-04-13 12/600 2026-04-13 20:14 by ѧԱJpLReM
[¿¼ÑÐ] 0854µ÷¼Á +12 ³¤¹­°Á 2026-04-09 13/650 2026-04-12 09:56 by ÄæË®³Ë·ç
[¿¼ÑÐ] 326Çóµ÷¼Á +6 Shansyn 2026-04-10 6/300 2026-04-12 09:46 by hammer3
[¿¼ÑÐ] 267Çóµ÷¼Á +8 ÔÙæҲҪ³Ô·¹°¡ 2026-04-09 8/400 2026-04-11 21:42 by cfdbai
[¿¼ÑÐ] 284Çóµ÷¼Á +11 archer.. 2026-04-09 12/600 2026-04-11 20:23 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 270Çóµ÷¼Á +14 ÑîÀÖ369 2026-04-11 14/700 2026-04-11 20:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼Á +4 µçÆø300Çóµ÷¼Á²» 2026-04-08 7/350 2026-04-11 10:44 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 0854µ÷¼Á +4 ³¤¹­°Á 2026-04-09 4/200 2026-04-11 09:18 by Öí»á·É
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«±±´óѧ¿ØÖƹ¤³Ì085406Êý¶þÓ¢¶þ385£¬Çóµ÷¼Á +8 Ezra_Zhang 2026-04-09 8/400 2026-04-11 09:15 by Öí»á·É
[¿¼ÑÐ] 289 ·Ö105500ҩѧר˶Çóµ÷¼Á(ÕÒBÇøÑ§Ð£) +6 °×ÔÆ123456789 2026-04-09 8/400 2026-04-10 21:13 by zhouxiaoyu
[¿¼ÑÐ] ²ÄÁÏ»¯¹¤×Ü·Ö334Çóµ÷¼Á +16 Riot2025 2026-04-08 17/850 2026-04-09 20:19 by maddjdld
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
[¿¼ÑÐ] 337Çóµ÷¼Á +4 Gky09300550£¬ 2026-04-09 4/200 2026-04-09 17:18 by ÅÁ¶ûÂíÀ­ÌØ
[¿¼ÑÐ] 083200 ³õÊÔ305·Ö Çóµ÷¼Á Ôݲ»¿¼ÂÇ¿çרҵ +15 Claireyyyy 2026-04-09 15/750 2026-04-09 16:11 by zhuimr
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄÏ´óѧÉúÎïѧѧ˶344 ÇóÉúÎïѧÏà¹Øµ÷¼Á/ÉúÎïÓëÒ½Ò© +7 ³¬È˲»»á·É@ 2026-04-08 7/350 2026-04-09 09:35 by gong120082
[¿¼ÑÐ] Çóµ÷¼Á£¬ÏÖÔÚ»¹ÄÜÌîµÄ +3 Éϰ¶Ð¡Ó¨¼ÓÓÍ 2026-04-08 3/150 2026-04-08 14:30 by zhq0425
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û