浜у搧璇︾粏
褰撳墠浣嶇疆錛?a href="/">棣栭〉 > 渚涘簲浜у搧 > 鍛ㄨ竟璁懼 > dbx鍧囪 鍣?/a>
dbx鍧囪 鍣?/h1>
30~60Hz 娌夐椃濡傛病鏈夌浉褰撳ぇ鐨勫搷搴︼紝浜鴻�沖緢闅炬劅瑙夈�?/span>
60~100Hz 娌夐噸80Hz闄勮繎鑳戒駭鐢熸瀬寮虹殑鈥滈噸鎰熲�濇晥鏋滐紝鍝嶅害寰堥珮涔熶笉浼氱粰浜鴻垝鏈嶇殑鎰熻錛屽彲緇欎漢浠ュ己鐑堢殑鍒烘縺浣滅敤銆?/span>
100~200Hz 涓版弧
200~500Hz 鍔涘害鏄撳紩璧峰棥鍡″０鐨勭儲闂峰績鐞嗐�?/span>
500~1KHz 鏄庢湕800Hz闄勮繎濡傛彁鍗?0dB錛屼細鏄庢樉浜х敓涓�縐嶅槇鏉傛劅錛岀嫮紿勬劅銆?/span>
1K~2KHz 閫忎寒
2K~4Kz 灝栭攼2800Hz闄勮繎鏄庝寒鎰熷叧緋誨ぇ錛?400Hz鏄撳紩璧峰惉瑙夌柌鍔熾�?/span>
4K~8Kz 娓呰剢6800Hz褰㈡垚灝栧暩錛岄攼鍒╃殑鎰熻錛?gt;7.5KHz闊蟲劅娓呭交綰ょ粏銆?/span>
30~60Hz 娌夐椃濡傛病鏈夌浉褰撳ぇ鐨勫搷搴︼紝浜鴻�沖緢闅炬劅瑙夈�?/span>
60~100Hz 娌夐噸80Hz闄勮繎鑳戒駭鐢熸瀬寮虹殑鈥滈噸鎰熲�濇晥鏋滐紝鍝嶅害寰堥珮涔熶笉浼氱粰浜鴻垝鏈嶇殑鎰熻錛屽彲緇欎漢浠ュ己鐑堢殑鍒烘縺浣滅敤銆?/span>
100~200Hz 涓版弧
200~500Hz 鍔涘害鏄撳紩璧峰棥鍡″０鐨勭儲闂峰績鐞嗐�?/span>
500~1KHz 鏄庢湕800Hz闄勮繎濡傛彁鍗?0dB錛屼細鏄庢樉浜х敓涓�縐嶅槇鏉傛劅錛岀嫮紿勬劅銆?/span>
1K~2KHz 閫忎寒
2K~4Kz 灝栭攼2800Hz闄勮繎鏄庝寒鎰熷叧緋誨ぇ錛?400Hz鏄撳紩璧峰惉瑙夌柌鍔熾�?/span>
4K~8Kz 娓呰剢6800Hz褰㈡垚灝栧暩錛岄攼鍒╃殑鎰熻錛?gt;7.5KHz闊蟲劅娓呭交綰ょ粏銆?/span>
涓婁竴鏉★細dbx鍧囪 鍣?/a>
涓嬩竴鏉★細dbx鍧囪 鍣?/a>
鐩稿叧鏍囩錛?a href='/key.aspx?k=%e5%91%a8%e8%be%b9%e8%ae%be%e5%a4%87'>鍛ㄨ竟璁懼,dbx鍧囪 鍣ㄤ環鏍?/a>,dbx鍧囪 鍣ㄦ壒鍙?/a>,
鏉ユ簮錛?a href='http://m.shuizaizxw.cn/supply/136.html'>http://m.shuizaizxw.cn/supply/136.html
鍙戝竷鏃墮棿錛?017/4/18 0:00:00
