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鎮ㄥソ锛屾杩庝締鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎵嬫寔寮忛浕骞虫尟钑╁櫒
闁辫畝锛�4311鏅�(sh铆)闁擄細2010-12-17 16:37:04

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鐗归粸(di菐n)

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銆�銆�鍏峰倷杓稿叆杓稿嚭绔彛淇濊(h霉)鍔熻兘銆傞浕骞虫尟钑╁櫒鐨勫钩琛″拰涓嶅钩琛¤几鍑虹鍙ｅ潎鑳芥壙鍙楋紜40dB鐨勫弽鍚戝姛鐜囧�掔亴銆傜暥(d膩ng)淇¤櫉(h脿o)闆诲钩瓒呴亷閬搁牷闆诲钩琛ㄧ殑杓稿叆涓婇檺鏅�(sh铆)锛屽剙鍣ㄩ浕璺嚜鍕�(d貌ng)鍒囨柗杓稿叆绔彛銆�

銆�銆�闆诲钩鎸暕鍣ㄩ厤鍚堟斁澶у櫒浣跨敤锛屽彲杓稿嚭锛�30dB闆诲钩銆�

鎶�琛�(sh霉)鎸囨(bi膩o)

銆�銆�1銆侀浕骞虫尟钑╁櫒

銆�銆�1.1銆佽几鍑洪牷鐜�

銆�銆�a銆佷笉骞宠　杓稿嚭绔牷鐜囪寖鍦嶏細50Hz锝�2100.00KHz锛�

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銆�銆�a銆佸钩琛�0惟銆�150惟銆�600惟锛氾紜10dB锝烇紞80dB/50Hz-620KHz銆�

銆�銆�b銆佷笉骞宠　75惟锛氾紜10dB锝烇紞80dB/50Hz-2100.00KHz锛堝鎺ユ斁澶у櫒鍙仈(d谩)锛�30dB锛�銆�

銆�銆�c銆佷笉骞宠　0惟锛�60dB锝烇紞70dB/50Hz-2100.00KHz銆�

銆�銆�1.3銆佽几鍑洪樆鎶�

銆�銆�a銆佸钩琛★細600惟銆�150惟銆�0惟銆�

銆�銆�b銆佷笉骞宠　锛�75惟銆�0惟銆�

銆�銆�1.4銆佽娉㈣“鑰楋細鈮�-40dBc锛堜簩娆″拰涓夋璜ф尝锛�銆�

銆�銆�2銆侀伕闋婚浕骞宠〃

銆�銆�2.1銆侀伕闋婚牷鐜囪寖鍦�

銆�銆�a銆佷笉骞宠　杓稿叆绔几鍏ラ牷鐜囪寖鍦嶏細50Hz锛�2100.00KHz锛�

銆�銆�b銆佸钩琛¤几鍏ョ杓稿叆闋荤巼鑼冨湇锛�50Hz-620.00KHz銆�

銆�銆�2.2銆侀伕闋婚浕骞虫脯(c猫)閲忚寖鍦嶏紙鎱㈡脯(c猫)鏂瑰紡锛�

銆�銆�a銆佷綆鍣伈锛�-80dB锛�+20dB锛堝钩琛¤几鍏�锛屼笉骞宠　75惟/楂橀樆杓稿叆锛�锛�

銆�銆�b銆佷綆澶辩湡锛�-70dB锛�+20dB锛堝钩琛¤几鍏�锛屼笉骞宠　75惟/楂橀樆杓稿叆锛�锛�

銆�銆�c銆佷綆鍣伈锛�-40dB锛�+40dB锛堝ぇ鍔熺巼杓稿叆锛夊鎺ヨ“娓涘櫒鍙脯(c猫)锛�70dB锛�

銆�銆�d銆佷綆澶辩湡锛�-30dB锛�+40dB锛堝ぇ鍔熺巼杓稿叆锛夊鎺ヨ“娓涘櫒鍙脯(c猫)锛�70dB锛�

銆�銆�e銆佹渶灏忛浕骞冲垎杈ㄧ巼锛�0.01dB銆�

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銆�銆�a銆佷綆鍣伈锛�-30dB锛�+20dB锛堝钩琛¤几鍏�锛屼笉骞宠　75惟/楂橀樆杓稿叆锛�

銆�銆�b銆佷綆澶辩湡锛�-30dB鈥�+20dB锛堝钩琛¤几鍏�锛屼笉骞宠　75惟/楂橀樆杓稿叆锛�

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銆�銆�d銆佷綆澶辩湡锛�-10dB锛�+40dB锛堝ぇ鍔熺巼杓稿叆锛夊鎺ヨ“娓涘櫒鍙脯(c猫)+70dB锛�

銆�銆�2.4銆佽几鍏ラ樆鎶�

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銆�銆�c銆佸ぇ鍔熺巼杓稿叆绔細涓嶅钩琛￠珮闃伙紙鍏�(n猫i)缃�40dB琛版笡鍣級銆�

銆�銆�2.5銆�3dB甯跺

銆�銆�25Hz銆�400Hz銆�1.74KHz銆�3.1KHz.

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銆�銆�b銆佸ぇ鍔熺巼杓稿叆锛�0dB锛�+40dB銆�

銆�銆�4銆佹巸闋诲剙

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銆�銆�b銆佸钩琛¤几鍏ョ杓稿叆闋荤巼鑼冨湇锛�60Hz锛�620.00KHz銆�

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銆�銆�b銆佷笉骞宠　75惟锛氾紜10dB锝烇紞80dB/50Hz-2100.00KHz锛堝鎺ユ斁澶у櫒鍙仈(d谩)锛�30dB锛夈��

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銆�銆�b銆佸甯舵巸闋绘脯(c猫)瑭﹀嫊(d貌ng)鎱�(t脿i)鑼冨湇锛�70dB锛堢浉灏�(du矛)鍊硷級銆�

銆�銆�5銆侀牷鐜囪▓(j矛)

銆�銆�5.1銆侀牷鐜囪寖鍦�

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銆�銆�b銆佸钩琛¤几鍏ョ杓稿叆闋荤巼鑼冨湇锛�50Hz-620.00KHz銆�

銆�銆�5.2銆侀牷鐜囧垎杈ㄧ巼锛�1Hz锛�1绉掗枠闁�锛�銆�

銆�銆�5.3銆佽几鍏ラ樆鎶�

銆�銆�a銆佸钩琛¤几鍏ョ锛�150惟銆�600惟銆侀珮闃�锛�

銆�銆�b銆佷笉骞宠　杓稿叆绔細75惟銆侀珮闃�锛�

銆�銆�c銆佸ぇ鍔熺巼杓稿叆绔細涓嶅钩琛￠珮闃伙紙鍏�(n猫i)缃�40dB琛版笡鍣級銆�

銆�銆�6銆侀樆鎶楄▓(j矛)

銆�銆�6.1銆侀牷鐜囬熆鎳�(y墨ng)鑼冨湇锛�50Hz锛�2100KHz銆�

銆�銆�6.2銆佹脯(c猫)閲忚寖鍦嶏細25惟锛�2.5K惟卤20锛�銆�

缍韩(k霉)闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫�锛�

宸叉敹閷勮姊�162542鍊�(g猫)