聲級(jí)計(jì)/儀產(chǎn)品及廠家
多通道聲學(xué)振動(dòng)分析儀awa6290m是一種利用數(shù)字信號(hào)處理技術(shù)的便攜式聲學(xué)分析儀器，它采用計(jì)算機(jī)的usb接口進(jìn)行數(shù)據(jù)傳輸和供電，使用及攜帶方便。可應(yīng)用于噪聲測(cè)量、頻譜分析及建筑聲學(xué)測(cè)量中。
更新時(shí)間:2025-09-08
awa6291系列實(shí)時(shí)信號(hào)分析儀是一種數(shù)字信號(hào)處理技術(shù)的袖珍式實(shí)時(shí)分析儀，它可以對(duì)噪聲、振動(dòng)或其它電信號(hào)進(jìn)行頻譜及幅值分析。
更新時(shí)間:2025-09-08
awa6128a駐波管吸聲系數(shù)測(cè)試儀用于測(cè)定垂直入射條件下吸聲材料的吸聲系數(shù)。測(cè)試儀由駐波管、傳聲器、測(cè)試主機(jī)、顯示器、鍵盤鼠標(biāo)等組成。測(cè)試儀軟件根據(jù)測(cè)量到的峰聲級(jí)值和谷聲級(jí)值自動(dòng)計(jì)算出吸聲系數(shù)，并能生成吸聲系數(shù)與頻率的坐標(biāo)曲線。儀器輸出信號(hào)的頻率和幅度在規(guī)定范圍內(nèi)可自由設(shè)定。由于只需少量的吸聲材料作試件，所以對(duì)于吸聲材料的參數(shù)研究和設(shè)計(jì)特別適合。
更新時(shí)間:2025-09-08
功率放大器，簡(jiǎn)稱“功放”。很多情況下主機(jī)的額定輸出功率不能勝任帶動(dòng)整個(gè)音響系統(tǒng)的任務(wù)，這時(shí)就要在主機(jī)和播放設(shè)備之間加裝功率放大器來補(bǔ)充所需的功率缺口，而功率放大器在整個(gè)音響系統(tǒng)中起到了“組織、協(xié)調(diào)”的樞紐作用，在某種程度上主宰著整個(gè)系統(tǒng)能否提供良好的音質(zhì)輸出。
更新時(shí)間:2025-09-08
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