鍙戝皠鍔熺巼涓庡鐩婅瑙?/p>
2011-09-28 15:31:48|
鍒嗙被锛?/p>
TEC-Hardware
|
涓炬姤
|
瀛楀彿
璁㈤槄
鏈枃杞浇鑷?/p>
jason
銆婂彂灏勫姛鐜囦笌澧炵泭璇﹁В銆?/p>
鏃犵嚎鐢靛彂灏勬満杈撳嚭鐨勫皠棰戜俊鍙凤紝閫氳繃棣堢嚎锛堢數缂嗭級杈撻�佸埌澶╃嚎锛岀敱澶╃嚎浠ョ數纾佹尝褰㈠紡
杈愬皠鍑哄幓銆傜數纾佹尝鍒拌揪鎺ユ敹鍦扮偣鍚庯紝鐢卞ぉ绾挎帴鏀朵笅鏉ワ紙浠呬粎鎺ユ敹寰堝皬寰堝皬涓�閮ㄥ垎鍔熺巼锛?/p>
锛屽苟
閫氳繃棣堢嚎閫佸埌鏃犵嚎鐢垫帴鏀舵満銆傚洜姝ゅ湪鏃犵嚎缃戠粶鐨勫伐绋嬩腑锛岃绠楀彂灏勮缃殑鍙戝皠鍔熺巼涓庡ぉ绾?/p>
鐨勮緪灏勮兘鍔涢潪甯搁噸瑕併�?/p>
Tx
鏄彂灏勶紙
Transmits
锛夌殑绠�绉般�傛棤绾跨數娉㈢殑鍙戝皠鍔熺巼鏄寚鍦ㄧ粰瀹氶娈佃寖鍥村唴鐨勮兘閲忥紝
閫氬父鏈変袱绉嶈 閲忔垨娴嬮噺鏍囧噯锛?/p>
鍔熺巼锛?/p>
W
锛?/p>
锛?/p>
鐩稿
1
鐡︼紙
Watts
锛夌殑绾挎�ф按鍑嗐�?/p>
澧炵泭锛?/p>
dBm
锛?/p>
锛?/p>
鐩稿
1
姣摝锛?/p>
Milliwatt
锛夌殑姣斾緥姘村噯銆?/p>
涓ょ琛ㄨ揪鏂瑰紡鍙互浜掔浉杞崲锛?/p>
dBm = 10 x log[
鍔熺巼
mW]
mW = 10 [
澧炵泭
dBm / 10 dBm]
鍦ㄦ棤绾跨郴缁熶腑锛屽ぉ绾胯鐢ㄦ潵鎶婄數娴佹尝杞崲鎴愮數纾佹尝锛屽湪杞崲杩囩▼涓繕鍙互瀵瑰彂灏勫拰鎺?