消聲測量 的英文怎麼說

中文拼音 [xiāoshēngcèliáng]
消聲測量 英文
noise abatement measures
  • 消 : 動詞1 （消失） disappear; vanish 2 （使消失; 消除） eliminate; dispel; remove 3 （度過; 消遣） pa...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. Anechoic chambers. part 1 : shield attenuation measurement

    消聲室.第1部分:屏蔽衰減測量
  2. Anechoic chambers - part 1 : shield attenuation measurement ; german version en 50147 - 1 : 1996

    消聲室.第1部分:屏蔽消聲測量
  3. There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system

    中心擁有各類分析測試儀器和試驗裝置80餘臺套，包括：消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。
  4. There are anechoic room, audition room, function test room, and three - dimensional machine etc

    檢測中心包括全消聲室試聽室例試室三維測量儀等檢測設備。
  5. Jiefu has a strong r d team which organized of state grade acoustic expert, constructs an effective production and quality control system, possesses of denmark loudsoft acoustic design soft and american lms acoustic analysis soft, full set b k2012 acoustic testing system, korea sigma inspect and test system as well as a 520cbm anechoic room, several reliability laboratory and subjective audition room. facilitated by all the above - mentioned resource, jiefus engineers continuously design and create the excellent speaker unit and speaker system

    公司憑藉由國家級聲學專家組成的技術研發隊伍，建有一套有效的生產質量控制體系，擁有丹麥loudsoft聲學設計軟體和美國lms聲學分析軟體全套的丹麥b k公司2012電聲測試系統，和韓國sigma測試及試驗系統，並配備有520立方米的消聲室，多個信賴性實驗室和主觀聽音室，通過這些完備的研究開發資源，傑夫工程師不斷設計並生產出優秀的揚聲器單元和系統。
  6. This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method

    本文分析了海水管路系統內流噪聲的產生機理，介紹了流噪聲的控制方法；分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點；通過海水消聲器試驗測量臺架，利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲；用測量小室對水消聲器在低頻段的插入損失進行了測量。
  7. The algorithm can not only eliminate the influence of the cumulative errors of the photoelectric code recorder, but also it can satisfy the requirement of the real - time control. a direct inverse model controller of fuzzy neural network with changeable structure based on takagi - sugeno inference is presented and it is used to the motion control of mobile robot. in order to avoid the obstacles successfully, detection results from ccd and ultrasonic sensors are fused by a fuzzy neural network, which acts as an avoidance controller

    包括移動機器人的融合自定位問題：移動機器人利用光電編碼器進行自定位，同時用擴展卡爾曼濾波器融合多個超聲波傳感器的測量值，採用回朔演算法將融合值用於復位光電編碼器，消除了光電編碼器累積誤差的影響，並能滿足實時控制的要求：並提出一種基於takagi - sugeno模型的變結構模糊神經網路直接逆模型控制器，並應用於移動機器人的運動控制；利用模糊神經網路避障控制器融合ccd攝象機與超聲波傳感器探測到的環境信息，以實現機器人的安全避障。
  8. Acoustics - measurement of insertion loss of ducted silencers without flow - laboratory survey method

    聲學.無氣流管道消聲器插入的損耗測量.實驗室調查法
  9. Finally, the experiments on the rotor bvi noise are conducted both in an aeroacoustic laboratory and at outdoors, and the noise characteristics at different locations are measured on different blade - tip mach numbers, collective pitch angles and rotor configurations. based on the experimental results, some new conclusions are presented

    本文第七章分別在「消聲室」和外場進行了模型旋翼的槳-渦干擾噪聲實驗，對不同馬赫數、不同槳距角以及不同旋翼布置情況下的不同測點進行了噪聲測量，得出了一些新的結論。
  10. With these machine and technology of modern elctrician measurement, we can find the danger without touch, off - power, which did not influence ordinary work

    利用遠紅外測量技術和超聲波探測技術結合現代電工測量技術，可以在非接觸、不斷電的情況下進行電氣消防安全檢測，不影響受檢單位的正常工作。
  11. By means of the echo auto - searching algorithm, the automatization of signal processing is realized. the filter algorithms are given to eliminate electric and pulse noise, the measuring reliability is improved greatly. furthermore, the accuracy of time difference measure is improved greatly by using the correlation algorithm and the wavelet algorithm

    提出的自動搜索回波演算法，實現了回波數據處理的自動化;給出的改進滾動去極數字濾波演算法和極值濾波演算法，消除了電噪聲和脈沖噪聲，提高了測量的穩定性;提出的插值相關流量測量演算法、小波包絡壓力測量演算法大大提高了測量的精度。
  12. Acoustics - determination of insertion loss of ducted silencers without flow - laboratory survey method iso 11691 : 1995 ; german version en iso 11691 : 1995

    聲學.無氣流管道消聲器插入損失測量.實驗室測量法
  13. Acoustics - laboratory measurement procedures for ducted silencers and air - terminal units - insertion loss, flow noise and total pressure loss iso 7235 : 2003 ; german version en iso 7235 : 2003

    聲學.管道消音器和空氣界面裝置的實驗室測量步驟.插
  14. In the experiment, we measured the frequency of the exhausted noise, and studied the muffler influence with the different rate of expansion

    通過試驗測量了s195柴油機的排氣噪聲頻譜，並且對採用不同膨脹比消聲器的消聲效果進行了試驗研究。
  15. Abstract : with an optical probe based on the principle of multi - wavelength light extinction, size and concentration of droplet were measured in a transonic wind tunnel. this paper presents the measurement results

    文摘:應用基於多波長消光法原理發展的光學探針，測量了跨聲速風洞中不同馬赫數濕空氣流自發凝結形成的水滴尺寸及濃度，並給出了實驗結果。
  16. Acoustics. measurements on silencers in situ

    聲學.現場用消聲器的測量
  17. 2. study the working principle of the vector transducer, mainly for two - dimensional pressure - gradient transducer. and the experimental results for directional pattern of two - dimensional pressure - gradient vector transducer at frequency 3khz and 5khz are given

    重點對本文所要研究的壓差式矢量水聽器進行研究，並運用消聲水池實測數據繪出了二維壓差式矢量水聽器在3khz和5khz下的指向性圖。
  18. Because mz interferometric optical fiber gyroscope has bigger nonreciprocal phase, the system thermal stability, polarization noise and the error caused by the fluctuation of light source is particular analysed, some effective methods is proposed such as : using the " quasi - white - light " interferometry and the fiber polish technology accurately to control the fiber length, using depolarization light to minish the polarization error, and using temperature control, optical power control and depolarizer to stabilize the output of the light source

    結合mz干涉式光纖陀螺的存在較大非互易相移的特點，著重從其溫度穩定性、偏振噪聲以及光源波動引起的誤差三個方面分析了抑制噪聲、提高檢測精度的方法，提出了：採用「準白光」干涉測量法結合光纖研磨技術精確控制光纖長度差的辦法；採用非偏振光源抑制偏振噪聲的方法；採用溫度控制、功率控制以及消偏器實現穩定化陀螺光源的方法。
  19. The main contents of this thesis include : ( 1 ) summarize and analysis of the theories on vibration transmission through rolling element bearings ( 2 ) based on the threshold setting and signal ’ s statistical approach, a method for solving the problems of denoise was developed ( 3 ) using sparsity and clustering, the method and hypotheses for underdetermined blind source separation was studied ( 4 ) the method based on potential function clustering was given for underdetermined blind source separation of noisy signals based on the assumption that the input distribution is sparse and the mixture procedure is linear, the attenuation matrix and the delay matrix were estimated by clustering. the approach was experimentally illustrated for the case of m = 2. the separation of the signals from bearing test bed proved that the given methods are available and reliable

    在需求分析和研究現狀分析的基礎上，本論文針對如下內容進行了重點研究: （ 1 ）以滾動軸承為例，對旋轉機械振動信號的傳輸進行了歸納分析; （ 2 ）通過設定某一門限並研究信號間的統計特性，研究了旋轉機械振動信號的盲源分離過程中噪聲消減策略; （ 3 ）應用稀疏信號分析和聚類分析方法，對盲源分離中欠確定問題的假設條件進行探討並對分離方法進行了分析; （ 4 ）採用基於勢函數聚類分析的方法，研究了欠確定前提下含噪聲測量過程中信號盲源分離方法。
  20. The research results include the follows : present some rules for selecting measuring method according to the characteristics of product, study some problems in data preprocessing such as noise removing, probe radius compensation, edge data extracting, sun - regions merging, and local data mending or re - sampling etc. to ensure the part cad models being built and assembled accurately at dimension and shape in re modeling application, three kinds of model modifying techniques are presented such as model - based modifying, drawing - based modifying and physical model - based modifying

    這些問題包括：根據產品表面形狀及建模方法，提出了一些選擇測量方法的原則；研究了消除測量數據噪聲信號、 cmm測頭半徑補償、測量數據邊界處理、測量數據塊拼合、數據補缺與補測等測量數據預處理問題。為了解決復雜外形產品re建模經常遇到的零件cad模型配合問題與尺寸精度、形狀精度問題，作者研究了基於cad模型的修正、基於零件圖樣的修正、基於物理模型的修正等三種模型修正技術。
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