噪聲源 的英文怎麼說
中文拼音 [zàoshēngyuán]
噪聲源
英文
noise origin-
The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis
首先基於風機噪聲理論的分析確定了影響風機噪聲源的主要因素是旋轉噪聲和渦流噪聲。This paper researches on a novel method to measure three - dimensional sound intensity use for failure diagnosis of electro - hydraulic system and the fabrication of a miniature three - dimensional sound intensity probe by using two separate micro - machined pressure probes and one microphone frame
本文研究了聲強測量技術在汽車噪聲源識別中的應用。通過使用兩個微型雙麥克風和支撐它們的框架，我們設計了一個小型的聲強探測器，用它來實現對汽車噪聲源的聲強探測。Secondly, we make an in - depth study and analysis in allusion to the given oscillatory circuit - butler common base harmonic circuit. the detailed analysis of the dynatron which is the main noise source in the oscillatory circuit is also made, including how excitation affects the dynatron and crystal
然後針對特定的振蕩電路結構-串聯型巴特勒共基振蕩電路-進行深入的研究和分析，並對主振電路中主要的噪聲源-三極體進行的深入分析，包括激勵對三極體及晶體的影響。Mire acoustics - determination of sound immission from sound sources placed closed to the ear - part 1 : technique using a microphone in a real ear mire technique
聲學.置於耳邊的噪聲源排放噪聲的測定.真耳中使用傳聲器的技術Based on the lucubration of adsl ' s transmission characters, the author concluded the main noise sources on the loop and their influences to the adsl ' s transmission performance
本文作者在深入了解adsl傳輸特點的基礎上，總結了線路上主要噪聲源的特點及其對adsl傳輸性能的影響。The noise of the micromotor is not only considered as one of reflections of environment inside of automobiles but also reflects the design technics and fitting level of the motors
微電機噪聲是作為車內環境污染的噪聲源指標，同時也是電機設計、工藝和裝配水平的綜合反映。Physically, the resistor is effectively the source of noise.
從物理上來說，電阻器等效于噪聲源。Acoustics - determination of sound power levels of noise soures - engineering methods for small, movable sources in reverberant field - part 1 : comparsion method for hard - walled test rooms
聲學聲壓法測定噪聲源聲功率級混響場中小型可移動聲源工程法第1部分:硬壁測試室比較法Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - methods for special reverberation test rooms
聲學.噪聲源的聲功率級測定.在混響場中對可移動聲源的工程測量方法.用專用混響試驗室的測量方法Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - comparison for hard - walled test rooms
聲學.噪聲源聲功率級的測定.在混響聲場中小聲源和移動聲源的工程測量方法.第1部分:硬墻試驗室的比較分析法Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 1 : comparison method for hard - walled test rooms
聲學.測定噪聲源的聲功率級.混響場內小型可移動聲源的工程法.第1部分:硬壁試驗室中的比較法Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms
聲學.聲壓法測定噪聲源聲功率級.混響聲場中小型可移動聲源的工程檢測法.第2部分:專用混響試驗室法Acoustics. determination of sound power levels of noise sources. engineering methods for small, movable sources in reverberant fields. part 1 : comparison method for hard - walled test rooms
聲學.噪聲源聲強級的測定.混響聲場中小聲源和移動聲源的工程測量方法.第1部分:硬墻試驗室的比較分析法Acoustics - determination of sound power levels of noise sources - using sound pressure - engineering metheds for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms
聲學聲壓法測定噪聲源聲功率級混響場中小型可移動聲源工程法第2部分:專用混響測試室法W is a zero mean white noise source.
W是一個零均值的白噪聲源。A study on the surface noise source identification of a diesel engine
柴油機表面噪聲源識別技術研究Firstly the dissertation analyses the reason of vibration and noise of the transmission gear and the box, drawing a conclusion that the change of gear mesh rigidity and transmission error are the crucial causation to engender vibration and noise of the gear - box ; the main source of the noise is the syntonic noise in box vibration and noise
本文首先分別分析了變速箱傳動齒輪和變速箱箱體的振動噪聲產生機理，得知產生變速箱傳動齒輪振動噪聲的主要因素是輪齒嚙合剛度的變化和傳動誤差的影響;且在變速箱箱體振動噪聲中自鳴噪聲是汽車變速箱的主要噪聲源。W is a zero mean white noise source
W是一個零均值的白噪聲源。That is the reason that all over the countries have never stopped researching for mask jamming technology of radar. at present, the mask jamming source mainly comes from the thermal noise and zener avalanche noise of semiconductor devices. but the noise ’ s quality isn ’ t stabile because of the differences of semiconductor devices each other and the changes of exterior conditions
目前採用的遮蓋性干擾的噪聲源主要來自半導體器件本身的熱噪聲或齊納雪崩噪聲，但各器件本身的不一致性和外界條件變化等因素使噪聲輸出質量不穩定;同時由於此類信號不能再生，不利於科學研究。Acoustics - determination of sound power levels of noise sources - precision methods for anechoic and semi - anechoic rooms
聲學噪聲源聲功率級的測定消聲室和半消聲室精密法分享友人