²é¿´: 1838  |  »Ø¸´: 15
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

majiahua520

гæ (СÓÐÃûÆø)

[ÇóÖú] ¸ßƵÕýÏÒÐźŷåÖµ¼ì²â ÒÑÓÐ1È˲ÎÓë

ÎÒÏë¼ì²â10Mhz»òÕß20MhzµÄÕýÏÒ²¨ÐźŵķåÖµ£¬Õâ¸öµç·»ù±¾¹¹Ôì¸ÃÔõô´î£¬ÐèҪעÒâʲô¶«Î÷£¬ÕæÐÄÇóÖ¸½Ì
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
7Â¥: Originally posted by majiahua520 at 2015-03-08 11:10:58
ÎÒÏëÓÃ100-300MhzµÄÐźżì²âÔ­Óͺ¬Ë®Á¿£¬Éæ¼°µ½·¢ÉäÌìÏß¡¢½ÓÊÕÌìÏßÖÆ×÷£¬ÏÖÔÚ¾ÍÊÇÏëÏÈ×öÒ»ÏÂʵÑ飬Äܼòµ¥¸øËµÒ»ÏÂʵÑéÔõô×öô£¬ÓÐÐźÅÔ´£¬ÓÐʾ²¨Æ÷£¬¹Ø¼ü¾ÍÊÇÌìÏßÔõôÁ¬½ÓºÍ°²·Å...

ÂÞ¹û·ò˹»ù´©ÐÄÏßȦ
8Â¥2015-03-08 11:58:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 16 ¸ö»Ø´ð

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
majiahua520: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú, ²»´íµÄ»Ø´ð£¬Ð»Ð» 2015-01-24 11:00:01
1.  »úеÂ˲¨Æ÷»òÕßËøÏà»·£¬Â˳ö¸ÃÐźš£
ÓÐЧֵ³ËÒÔsqrt(2)=·åÖµ£»
2. ¸´ÔÓÒ»µã£¬Ë«Õý½»ËøÏà¼ì²¨£º
¸ßƵÐźÅÒÆÏàpi/2; ÖÐÆµÐźŷÖΪcos(), sin()Á½Â·£»
·Ö±ðÏà³Ë£¬·Ö±ðµÍͨÂ˲¨Æ÷£¬È»ºóÏà¼Ó=·åÖµ¡£
2Â¥2015-01-23 20:05:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

majiahua520

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2015-01-23 20:05:16
1.  »úеÂ˲¨Æ÷»òÕßËøÏà»·£¬Â˳ö¸ÃÐźš£
ÓÐЧֵ³ËÒÔsqrt(2)=·åÖµ£»
2. ¸´ÔÓÒ»µã£¬Ë«Õý½»ËøÏà¼ì²¨£º
¸ßƵÐźÅÒÆÏàpi/2; ÖÐÆµÐźŷÖΪcos(), sin()Á½Â·£»
·Ö±ðÏà³Ë£¬·Ö±ðµÍͨÂ˲¨Æ÷£¬È»ºóÏà¼Ó=·åÖµ¡£

Òª¼ì²âÕâÐźţ¬ÐèÒª¿´Ê²Ã´×ÊÁÏ»òÕßÊé¼®£¬ÇëÖ¸µ¼Ò»Ï£¬¾¡¿ÉÄÜÏêϸµã£¬Íò·Ö¸Ðл
3Â¥2015-01-24 09:51:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
3Â¥: Originally posted by majiahua520 at 2015-01-24 09:51:09
Òª¼ì²âÕâÐźţ¬ÐèÒª¿´Ê²Ã´×ÊÁÏ»òÕßÊé¼®£¬ÇëÖ¸µ¼Ò»Ï£¬¾¡¿ÉÄÜÏêϸµã£¬Íò·Ö¸Ðл...

ͨÐÅÔ­Àí
4Â¥2015-01-24 14:28:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¡¾¿¼Ñе÷¼Á¡¿»¯Ñ§×¨Òµ 281·Ö£¬Ò»Ö¾Ô¸ËÄ´¨´óѧ£¬³ÏÐÄÇóµ÷¼Á +11 ³Ô³Ô³Ô²ÅÓÐÒâÒå 2026-03-19 12/600 2026-03-24 09:18 by ³Ô³Ô³Ô²ÅÓÐÒâÒå
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +5 Æ¥¿Ëi 2026-03-23 5/250 2026-03-24 08:50 by dick_runner
[¿¼ÑÐ] 081700 µ÷¼Á 267·Ö +8 ÃÔÈ˵Ĺþ¹þ 2026-03-23 8/400 2026-03-24 08:23 by sunyuanna
[¿¼ÑÐ] ÉúÎïѧѧ˶Çóµ÷¼Á +5 СÑò˯×ÅÁË? 2026-03-23 5/250 2026-03-24 06:42 by ilovexiaobin
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ª´ó»¯Ñ§322Çóµ÷¼Á +3 17501029541 2026-03-23 4/200 2026-03-23 23:47 by Txy@872106
[¿¼ÑÐ] 328Çóµ÷¼Á +4 LHHL66 2026-03-23 4/200 2026-03-23 14:55 by lbsjt
[¿¼ÑÐ] 276Çóµ÷¼Á +3 YNRYG 2026-03-21 4/200 2026-03-23 08:31 by ×íÔÚ·çÀï
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +5 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 5/250 2026-03-22 16:42 by tcx007
[¿¼ÑÐ] 269ר˶Çóµ÷¼Á +6 ½ð¶÷±´ 2026-03-21 6/300 2026-03-22 14:31 by ColorlessPI
[¿¼ÑÐ] ²ÄÁÏѧ˶301·ÖÇóµ÷¼Á +7 Liyouyumairs 2026-03-21 7/350 2026-03-21 22:31 by peike
[¿¼ÑÐ] ¹ãÎ÷´óѧ²ÄÁϵ¼Ê¦ÍƼö +3 ÏÄÏÄÏÄСÕý 2026-03-17 5/250 2026-03-21 22:20 by ½ðê»ML
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +5 yzysaa 2026-03-21 5/250 2026-03-21 22:12 by peike
[¿¼ÑÐ] 336Çóµ÷¼Á +5 rmc8866 2026-03-21 5/250 2026-03-21 17:24 by ѧԱ8dgXkO
[¿¼ÑÐ] 299Çóµ÷¼Á +5 shxchem 2026-03-20 7/350 2026-03-21 17:09 by ColorlessPI
[¿¼ÑÐ] 265Çóµ÷¼Á +12 ÁºÁºÐ£Ð£ 2026-03-19 14/700 2026-03-21 13:38 by lature00
[¿¼ÑÐ] 085601µ÷¼Á 358·Ö +3 zzzzggh 2026-03-20 4/200 2026-03-21 10:21 by luoyongfeng
[¿¼ÑÐ] 083200ѧ˶321·ÖÒ»Ö¾Ô¸ôßÄÏ´óѧÇóµ÷¼Á +3 innocenceF 2026-03-17 3/150 2026-03-21 02:35 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸:ÄϾ©º½¿Õº½Ìì´óѧ´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶£¬×Ü·Ö289·Ö +4 @taotao 2026-03-19 4/200 2026-03-20 22:14 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤ 322Çóµ÷¼Á +4 È»11 2026-03-19 4/200 2026-03-20 22:12 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»Í¨ ר˶ ²ÄÁÏ355 ±¾¿ÆË«·Ç Çóµ÷¼Á +5 Î÷ÄϽ»Í¨×¨²Ä355 2026-03-19 5/250 2026-03-20 21:10 by JourneyLucky
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û