Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 1913  |  »Ø¸´: 7

ÏþÏþÓ½

гæ (³õÈëÎÄ̳)

[½»Á÷] ÌìÏßÔöÒæºÍÌìÏßÄ£ÐÍË¥¼õÖµµÃÒ»¸öÎÊÌâÇë½Ì

ÔÚ¿´ÂÛÎÄʱ£¬·ÂÕæ²ÎÊýÓÐÕâôһÀ¸£¬»ùÕ¾ÌìÏßÔöÒæÎª15db£¬ÌìÏßË¥¼õÄ£ÐÍΪ£ºA(a)=-min¡¾12£¨a/a3db£©£¬Am¡¿¡£±ÈÈç½ÓÊÕÐźÅÔÚ²»¿¼ÂÇÌìÏßµÄÇé¿öϽÓÊÕ¹¦ÂÊΪ
-100dbm£¬¿¼ÂÇÌìÏßÔöÒæ¡£Ò²¾ÍÊÇÔöÒæÎª15db£¬¼ÙÈçaÈ¡0¶È£¬ÌìÏßË¥¼õ¾ÍΪ-0db£¬ÊDz»ÊÇÌìÏß½ÓÊÕÐźžÍΪ-100dbm+15db-0db=-85dbmΪ×îºóµÄ½ÓÊÕ¹¦ÂÊÄØ£¿
ÓÐÄÄλ´óÉñ¸æËßһϣ¬Ð¡µÜûѧ¹ýÌìÏßÕâ¿é£¬ÌØÀ´Çë½Ì£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï
ÏþÏþÓ½(½ð±Ò+1): лл²ÎÓë
2Â¥2015-12-09 21:57:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï
ÏþÏþÓ½(½ð±Ò+1): лл²ÎÓë
3Â¥2015-12-09 21:58:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï
ÏþÏþÓ½(½ð±Ò+1): лл²ÎÓë
4Â¥2015-12-09 22:03:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï
ÏþÏþÓ½(½ð±Ò+1): лл²ÎÓë
5Â¥2015-12-09 22:06:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï
ÏþÏþÓ½(½ð±Ò+1): лл²ÎÓë
6Â¥2015-12-09 22:23:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÏþÏþÓ½

гæ (³õÈëÎÄ̳)

Â¥ÉϵĴó¸çЩ £¬ÕâÑù¹àË®²»ºÃ°É£¬ÖªµÀµÄ»Ø´ðһϰ¡
7Â¥2015-12-11 18:48:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

rioxwang

гæ (³õÈëÎÄ̳)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¾ÍÊÇÄãÕâôÀí½âµÄ£¬Ò»¸öÊÇÌìÏ߸øËüµÄÔöÒæ£¬Ò»¸öÊÇ·¢Éä³öÈ¥ºóµÄË¥¼õ

·¢×ÔСľ³æIOS¿Í»§¶Ë
8Â¥2015-12-27 17:42:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÏþÏþÓ½ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 297¹¤¿Æµ÷¼Á? +14 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-13 15/750 2026-04-15 13:25 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] 290µ÷¼ÁÉúÎï0860 +36 ÍÛ¹þ¹þ£¬¡£ 2026-04-11 42/2100 2026-04-15 13:13 by Î÷±±Íû¡ª·çɳ
[¿¼ÑÐ] 327Çóµ÷¼Á +23 Xxjc1107. 2026-04-13 25/1250 2026-04-14 18:48 by åÐÒ£ÈýÀÉ
[¿¼ÑÐ] 366Çóµ÷¼Á +11 ²»ÖªÃûµÄСئ 2026-04-11 11/550 2026-04-14 15:50 by zs92450
[¿¼ÑÐ] Çóµ÷¼Á +20 MAXâê㯠2026-04-09 22/1100 2026-04-14 14:57 by ¶À×íÃι³Ç
[¿¼ÑÐ] »úе¹¤³Ì313·ÖÕÒ¹¤¿Æµ÷¼Á +4 ˫һÁ÷±¾¿Æ»úе 2026-04-08 4/200 2026-04-14 07:32 by Abskk
[¿¼ÑÐ] Çóµ÷¼Á +12 Á§ÜÔÒ»¶¨Éϰ¶ 2026-04-10 13/650 2026-04-14 00:08 by Equinoxhua
[¿¼ÑÐ] 0856ר˶Çóµ÷¼Á Ï£ÍûÊÇaÇøÔºÐ£ +24 ºÃºÃÐÝÏ¢ºÃ²»ºÃ 2026-04-09 27/1350 2026-04-13 22:22 by pies112
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] 0854µ÷¼Á +10 ³¤¹­°Á 2026-04-11 11/550 2026-04-13 10:38 by wp06
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á£¬Ò»Ö¾Ô¸Î÷ÄÏ´óѧ348£¬TopÆÚ¿¯Ò»Çø¶þ×÷¡¢¶þÇøÈý×÷£¬ÈýµÈ½±Ñ§½ðÈý´Î +5 candyyyi 2026-04-09 5/250 2026-04-13 09:02 by ¿Éµ­²»¿ÉÍü
[¿¼ÑÐ] 314Çóµ÷¼Á +24 wakeluofu 2026-04-09 25/1250 2026-04-13 08:58 by lhj2009
[¿¼ÑÐ] 322Çóµ÷¼Á +6 123°²¿µ 2026-04-12 13/650 2026-04-12 15:51 by 123°²¿µ
[¿¼ÑÐ] 291Çóµ÷¼Á +8 ¹ØÒä±±. 2026-04-11 8/400 2026-04-12 09:32 by ÄæË®³Ë·ç
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸´óÁ¬Àí¹¤´óѧ354·Ö +5 ÓêÉùÓàÉú 2026-04-11 6/300 2026-04-11 16:12 by ÓêÉùÓàÉú
[¿¼ÑÐ] ±¾ÈËÅ®º¢ +7 ºðºð£¬ 2026-04-10 9/450 2026-04-11 14:45 by ACS Nano¡ª¡ª
[¿¼ÑÐ] 0854µ÷¼Á +8 950824he@ 2026-04-09 8/400 2026-04-11 10:11 by zhq0425
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ´óѧÎïÀíѧ£¬Ó¢Ò»66£¬Çóµ÷¼Á +4 ³¤ÑÌì½ì» 2026-04-08 5/250 2026-04-10 10:31 by Ó±¹û¶ù
[¿¼ÑÐ] 348Çóµ÷¼Á +3 candyyyi 2026-04-09 3/150 2026-04-09 17:20 by ¶ÎΰÑÞ
[¿¼ÑÐ] 083200 ³õÊÔ305·Ö Çóµ÷¼Á Ôݲ»¿¼ÂÇ¿çרҵ +15 Claireyyyy 2026-04-09 15/750 2026-04-09 16:11 by zhuimr
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û