涓崕浜烘皯鍏卞拰鍥藉浗瀹舵爣鍑?/p>
GB/T 1496
鈥?/p>
79
鏈哄姩杞﹁締鍣０娴嬮噺鏂规硶
鏈爣鍑嗛�傜敤浜庡悇绫诲瀷姹借溅銆佹懇鎵樿溅銆佽疆寮忔嫋鎷夋満绛夋満鍔ㄨ溅杈嗙殑杞﹀銆佽溅
鍐呭櫔澹扮殑娴嬮噺銆?/p>
涓�銆佹祴閲忎华鍣?/p>
1
锛?/p>
浣跨敤绮惧瘑澹扮骇璁℃垨鏅�氬０绾ц鍜屽彂鍔ㄦ満杞�熻〃銆?/p>
2
锛?/p>
澹扮骇璁¤宸簲涓嶈秴杩嚶?dB锛?/p>
A
锛夈�?/p>
3
锛?/p>
鍦ㄦ祴閲忓墠鍚庯紝浠櫒搴旀寜瑙勫畾杩涜鏍″噯銆?/p>
浜屻�佽溅澶栧櫔澹版祴閲?/p>
锛堜竴锛?/p>
娴嬮噺鏉′欢
4
锛?/p>
娴嬮噺鍦哄湴搴斿钩鍧﹁�岀┖鏃凤紝鍦ㄦ祴璇曚腑蹇冧互
25m
涓哄崐寰勭殑鑼冨洿鍐咃紝涓嶅簲鏈夊ぇ
鐨勫弽灏勭墿锛屽寤虹瓚鐗┿�佸洿澧欑瓑銆?/p>
5
锛?/p>
娴嬭瘯鍦哄湴璺戦亾搴旀湁
20m
浠ヤ笂鐨勫钩鐩淬�佸共鐕ョ殑娌ラ潚璺潰鎴栨贩鍑濆湡璺潰銆傝矾
闈㈠潯搴︿笉瓒呰繃
0.5
锛呫�?/p>
6
锛?/p>
鏈簳鍣０锛堝寘鎷鍣０锛夊簲姣旀墍娴嬭溅杈嗗櫔澹拌嚦灏戜綆
10 dB
锛?/p>
A
锛夈�傚苟淇?/p>
璇佹祴閲忎笉琚伓鐒剁殑鍏朵粬澹版簮鎵�骞叉壈銆?/p>
娉細鏈簳鍣０绯绘寚娴嬮噺瀵硅薄鍣０涓嶅瓨鍦ㄦ椂锛屽懆鍥寸幆澧冪殑鍣０銆?/p>
7
锛?/p>
涓洪伩鍏嶉鍣０骞叉壈锛屽彲閲囩敤闃查缃╋紝浣嗗簲娉ㄦ剰闃查缃╁澹扮骇璁＄伒鏁忓害鐨?/p>
褰卞搷銆?/p>
8
锛?/p>
澹扮骇璁￠檮杩戦櫎娴嬮噺鑰呭锛屼笉搴旀湁鍏朵粬浜哄憳锛屽涓嶅彲缂哄皯鏃讹紝鍒欏繀椤诲湪娴?/p>
閲忚�呰儗鍚庛�?/p>
9
锛?/p>
琚祴杞﹁締涓嶈浇閲嶃�傛祴閲忔椂鍙戝姩鏈哄簲澶勪簬姝ｅ父浣跨敤娓╁害锛岃溅杈嗗甫鏈夊叾浠栬緟
鍔╄澶囦害鏄櫔澹版簮锛屾祴閲忔椂鏄惁寮�鍔紝搴旀寜姝ｅ父浣跨敤鎯呭喌鑰屽畾銆?/p>