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鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)
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銆�銆�瑙ｆ瀽搴� 0.1dB
銆�銆�鍕�(d貌ng)鎱�(t脿i)鑼冨湇 60dB
銆�銆�娓�(c猫)閲忚寖鍦� 26 鍒� 130 dB
銆�銆�A鍜孋闋荤巼鍔犳瑠(qu谩n)
銆�銆�蹇�熴�佹參閫熸檪(sh铆)闁撳姞娆�(qu谩n)
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銆�銆�娓�(c猫)閲忔柟娉曞彲鎸夌収GB3222-94銆婅伈瀛�(xu茅)鐠�(hu谩n)澧冨櫔鑱叉脯(c猫)閲忔柟娉曘�嬭姹傛脯(c猫)閲忓�兼湁LA銆丩Aeq銆丩N锛圠5锛孡10锛孡50锛孡90锛孡95锛�銆丩d銆丩n锛屽皪(du矛)鍎�鍣ㄧ簿搴﹁姹傜偤2鍨嬩互涓婄⿳鍒嗗櫔闊宠▓(j矛)鍙婄挵(hu谩n)澧冨櫔鑱茶嚜鍕�(d貌ng)鐩�(ji膩n)娓�(c猫)鍎�鍣紝鎬ц兘绗﹀悎GB3785銆婂櫔闊宠▓(j矛)闆�銆佽伈鎬ц兘鍙婃脯(c猫)閲忔柟娉曘�嬬殑瑕�(gu墨)瀹�銆�
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銆�銆�娓�(c猫)閲忔柟娉曞彲鎸夌収GB/T14623-93銆婂煄甯傚崁(q奴)鍩熺挵(hu谩n)澧冨櫔鑱叉脯(c猫)閲忔柟娉曘�嬭姹傛脯(c猫)閲忓�兼湁LA銆丩Aeq銆丩N锛圠10锛孡50锛孡90锛�銆丩d銆丩n锛屽皪(du矛)鍎�鍣ㄧ簿搴﹁姹傜偤2鍨嬩互涓婄⿳鍒嗗櫔闊宠▓(j矛)鍙婄挵(hu谩n)澧冨櫔鑱茶嚜鍕�(d貌ng)鐩�(ji膩n)娓�(c猫)鍎�鍣�锛屾�ц兘绗﹀悎GB3785銆婂櫔闊宠▓(j矛)闆汇�佽伈鎬ц兘鍙婃脯(c猫)閲忔柟娉曘�嬬殑瑕�(gu墨)瀹�銆�
銆�銆�3銆佸伐妤�(y猫)浼佹キ(y猫)鍣伈娓�(c猫)閲�
銆�銆�娓�(c猫)閲忔柟娉曞彲鎸夌収GB12349-90銆婂伐妤�(y猫)浼佹キ(y猫)寤犵晫鍣伈娓�(c猫)閲忔柟娉曘�嬭姹傛脯(c猫)閲忓�兼湁LA銆丩Aeq锛屽皪(du矛)鍎�鍣ㄧ簿搴﹁姹傜偤2鍨嬩互涓婂櫔闊宠▓(j矛)鍙婄挵(hu谩n)澧冨櫔鑱茶嚜鍕�(d貌ng)鐩�(ji膩n)娓�(c猫)鍎�鍣�锛屾�ц兘绗﹀悎GB3785銆婂櫔闊宠▓(j矛)闆�銆佽伈鎬ц兘鍙婃脯(c猫)閲忔柟娉曘�嬬殑瑕�(gu墨)瀹�銆�
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銆�銆�5銆佹(j墨)鍕�(d貌ng)杌婅紱瀹氱疆鍣伈娓�(c猫)閲�
銆�銆�娓�(c猫)閲忔柟娉曞彲鎸夌収GB/T14365-93銆婅伈瀛�(xu茅)姗�(j墨)鍕�(d貌ng)杌婅紱瀹氱疆鍣伈娓�(c猫)閲忔柟娉曘�嬭姹傛脯(c猫)閲忓�兼湁A瑷�(j矛)娆�(qu谩n)鈥滃揩鈥濈壒鎬ц伈澹撶礆(j铆)Lp锛屽皪(du矛)鍎�鍣ㄧ簿搴﹁姹�1鍨嬫垨2鍨嬪櫔闊宠▓(j矛)锛屾�ц兘绗﹀悎GB3785銆婂櫔闊宠▓(j矛)闆�銆佽伈鎬ц兘鍙婃脯(c猫)閲忔柟娉曘�嬬殑瑕�(gu墨)瀹氥��
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銆�銆�娓�(c猫)閲忔柟娉曞彲鎸夌収GB/T4964-85銆婂収(n猫i)娌宠埅閬撳強娓彛鍏�(n猫i)鑸硅埗杓诲皠鍣伈鐨勬脯(c猫)閲忋�嬭姹傛脯(c猫)閲忓�兼湁A瑷�(j矛)娆�(qu谩n)鈥滃揩鈥濈壒鎬ц伈澹撶礆(j铆)Lp锛孉瑷�(j矛)娆�(qu谩n)鈥滆剤娌栤�濊伈澹撶礆(j铆)Lp,灏�(du矛)鍎�鍣ㄧ簿搴﹁姹�1鍨嬫垨2鍨嬪櫔闊宠▓(j矛)锛屾�ц兘绗﹀悎GB3785銆婂櫔闊宠▓(j矛)闆汇�佽伈鎬ц兘鍙婃脯(c猫)閲忔柟娉曘�嬬殑瑕�(gu墨)瀹�銆�
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銆�銆�娓�(c猫)閲忔柟娉曞彲鎸夌収GB9661-88銆婃(j墨)鍫�(ch菐ng)鍛ㄥ湇椋涙(j墨)鍣伈娓�(c猫)閲忔柟娉曘�嬭姹傛脯(c猫)閲忓�兼湁A瑷�(j矛)娆�(qu谩n)鈥滃揩鈥濈壒鎬ц伈澹撶礆(j铆)Lp锛岄姗�(j墨)鍣伈鏈夋晥鎰熻鍣伈绱�(j铆)Lepn锛屽皪(du矛)鍎�鍣ㄧ簿搴﹁姹�2鍨嬩互涓婂櫔闊宠▓(j矛)鍙婄挵(hu谩n)澧冨櫔鑱茶嚜鍕�(d貌ng)鐩�(ji膩n)娓�(c猫)鍎�鍣�锛屾�ц兘绗﹀悎GB3785銆婂櫔闊宠▓(j矛)闆汇�佽伈鎬ц兘鍙婃脯(c猫)閲忔柟娉曘�嬬殑瑕�(gu墨)瀹�銆�
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