高低音試驗 的英文怎麼說

中文拼音 [gāoyīnshìyàn]
高低音試驗 英文
high-low tone test
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 名詞1. (聲音) sound 2. (消息) news; tidings 3. [物理學] (音質) tone 4. (姓氏) a surname
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. Second, we optimize the codebook and choice a part of the codeword which is used most efficiently. the result is not degraded too much while the complexity is reduced. at the end of the paper the development prospect of cs - acelp and speech coding are described

    對lsp參數量化中的第一級碼書的128個碼字的使用頻率進行了統計,選用了128個碼字中使用頻率的112個碼字作為新碼書,語質量基本不變但降了碼書搜索的復雜度。
  2. We got a new model centrifugal fan by the mathematics optimum design, experiment optimum design, lots of mathematics calculation and regress calculation in the paper. the efficiency of this new fan is increased 6. 44 % and the noise is reduced 4. 78db than that of the original fan

    本文通過數學優化和優化相結合的方法,並對實例經過大量的數學計算、及回歸計算等得到了一種新型離心式通風機,該通風機比它的原型機( 4 - 72no . 4a )效率提了6 . 44 ,比a聲級噪了4 . 78db 。
  3. We equip the following machines for the environmental testing and the reliability test : test box with high and low temperature, test box with high temperature, test box with invariableness temperature and humidity, salt - spray test box, vibrant and impactive test machine, tensile test machine, frequency tester and scanner, oscillograph, oven with invariableness temperature etc. pic the 3d machine

    環境可靠性測等方面配置有以下儀器設備:溫恆溫箱恆定濕熱箱鹽霧腐蝕箱振動沖擊臺拉力機諧振頻率f0快速測儀揚聲器f0快速測頻掃頻信號發生器示波器電熱恆溫乾燥箱等。
  4. Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation, simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, low audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type high power density, high efficiency and low cost asi

    設計的1kva270v 10 % dc / 115v400hzac單極性移相控制雙向電壓源頻環節逆變器原理表明,這類逆變器具有頻電氣隔離、電路拓撲簡潔、兩級功率變換( lfac / hfac / lfac ) 、功率密度、雙向功率流、頻噪、變換效率、網側功率因數等優點,為新一代功率密度、變換效率、成本航空靜止變流器奠定了關鍵技術基礎。
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