聲源功率 的英文怎麼說
中文拼音 [shēngyuángōnglǜ]
聲源功率
英文
acoustic source power-
The system cybernation method is distributed control system. in this way, the audio process computer switch the signal between input and output channels. the main function of audio process computer is general broadcast, service broadcast and emergency broadcast. there is a special control computer. it " s main function is supervise - control the system status such as the amplifier and speaker circuit
在控制上,採用了分散式控制方式,由語音計算機進行音源輸入和輸出的切換,執行業務性廣播、服務性廣播和火災事故緊急廣播;由控制計算機進行系統的監控,監視功率放大器和揚聲器迴路的工作狀態,並根據當前的設備狀態執行相應的控制任務。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 - 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Study on high power ultrasonic power supply based on dsp 56f
的大功率超聲波電源的研究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Precision methods for the determination of sound power levels of noise sources in anechoic and hemi - anechoic rooms
在無回聲和半無回聲的室內精確測定噪聲源聲功率級的方法Acoustics - determination of sound power levels of noise sources using sound pressure - precision methods for anechoic and hemi - anechoic rooms
聲學.利用聲壓測定噪聲源聲功率級.消聲室和半消聲室用精密法Acoustics - determination of sound power levels of noise sources using sound pressure - precision methods for anechoic and hemi - anechoic rooms iso 3745 : 2003 ; german version en iso 3745 : 2003
聲學.利用聲壓測定噪聲源的聲功率級.消聲室和半消聲Acoustics - determination of sound power levels of noise sources using sound intensity - measurement at discrete points
聲學.利用聲音強度測定噪聲源功率級.第1部分:離散點測量En iso 9614 - 2 acoustics. determination of sound power levels of noise sources using sound intensity. part 2 : measurement by scanning
聲學.利用聲音強度測定噪聲源功率級.第2部分:掃描測量法Acoustics - determination of sound power levels of noise sources using sound intensity - part 2 : measurement by scanning iso 9614 - 2 : 1996 ; german version en iso 9614 - 2 : 1996
聲學.利用聲音強度測定噪聲源功率級.第2部分:掃描測With an aim at this problem, this paper suggests the modulation scheme with dc bus voltage ripple by using the front - end active power factor correct circuit based on the analysis of necessary conditions of producing acoustic resonances
針對這一現象,在分析產生聲諧振的必要條件的基礎上,重點提出了利用前級有源功率因數校正電路的直流母線脈動電壓的調制方案。Due to temperature performance of fbg, a reference fbg is adopted to compensate temperature and the compensation principle is expounded. moreover, this scheme not only realizes temperature compensation but also reduces repeatability error of ffptf and errors from power fluctuation of light source, noise of pd and noise of electro - circuit. in the end, temperature and strain performance of fbg is tested and
基於光纖光柵的溫度響應特性,提出用一個參考光柵來進行光纖光柵傳感陣列溫度補償的設計方案,並論述了其補償原理,證明了該方法的可行性;同時可以看出,該方法不僅可以實現溫度補償,也可以減小光纖f - p可調諧濾波器的重復性誤差以及光源功率波動、探測器噪聲和電路噪聲等引起的誤差。Different with the traditional ifog, light beams within mz - ifog transmit along the forward direction, which avoid the kerr effect noise and the interferometric noises brought by the backward scattering and reflecting light. mz - ifog also gains a high using efficiency of light source and a strong output signal. the principle of mz - ifog is analyzed
與傳統sagnac干涉式光纖陀螺不同,此光纖陀螺結構簡單,兩路光信號採用前向傳輸,避免了後向傳輸光對光源的影響,也避免了後向散射、反射光帶來的相干噪聲以及光學kerr效應噪聲,光功率利用率高,輸出光功率大。In this paper a kind of interferometric optical fiber gyroscopes based on mach - zehnder interferometric principle is proposed. the signals of this novel optical fiber gyroscope transmit along the positive direction, which avoid the interferometric noise, causing by the negative - directional scattering light and reflecting light, and the kerr effect noise. in this novel optical fiber gyroscope the light power ' s utilization efficiency is high, the output signal is strong
本文提出一種基於mz干涉原理的干涉式光纖陀螺,該種光纖陀螺的光信號採用正向傳輸,避免了後向傳輸光對光源的影響,也避免後向散射、反射光帶來的相干噪聲以及光學kerr效應噪聲,光功率利用率高,輸出光信號大。Good quality : it adopts importing material which can emit light, good quality ic chip, non noise and the power of high power
質量優良:採用進口發光材料,高品質ic晶元,無噪聲大功率電源分享友人