汽車噪聲 的英文怎麼說
中文拼音 [qìjūzàoshēng]
汽車噪聲
英文
autombile noise-
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。Furthermore, it is also verified by chassis dyno tests that lpg motorcycle has better emission performance than gasoline engine, and has better acceleration performance e. g. exceed acceleration than former gasoline engine, and has low noise level characteristics as well as has ability to achieve equivalent level fuel economy performance compared with former gasoline engine
整車動力性、經濟性和排放性轉鼓臺架試驗對比表明: lpg摩托車整體排放性能優于汽油摩托車;最高車速略有下降但加速性基本與汽油摩托車相同(超越加速性優于汽油摩托車) ; lpg摩托車具有良好的低噪聲特性,且整車燃料消耗率及其經濟性與原機基本相當。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。The noise of the car died away in the distance.
汽車的噪聲消失在遠方。Based on the causations and frequency configurations of vehicle interior noise, we do the test on a homemade vehicle by integer insulating means
在明確了汽車車內噪聲產生機理及其頻率結構的基礎上,採用整體隔離法對國產某車型的車內噪聲進行了試驗研究。Acoustics - measurement of noise inside motor vehicles
聲學汽車車內噪聲測量方法Aimed at the current situation of research on the vehicle interior noise, this thesis conducts a conclusive analysis on the category of the source of vehicle noise and the noise controlling method
本文針對國內外汽車車內噪聲的研究現狀,對汽車噪聲的分類以及噪聲控制方法進行總結。In this paper, it analyzes the mechanism of automobile noise polytechnic and routes of noise propagation, expoundes the research of active control and passive control of the vibration and noise reduction control technology of automobile. then it puts forward the means of automobile noise reduction in practical application
從汽車噪聲的產生機理入手,分析了噪聲傳播的途徑,從主動控制與被動控制兩方面對汽車減振降噪技術進行了研究,介紹了實際應用的降噪方法With the development of vehicle noise control technology, engine intake noise con - trol has become the emphasis
隨著汽車噪聲控制技術的發展,進氣噪聲已成為汽車噪聲控制的重點。Spectrum analysis of vehicle noise and speech signal and the application of a digital subsidence filter
汽車噪聲和語音信號的譜分析及陷波器的應用This dissertation aims at the problem of the noise of over length truck falling short of the lately country standard, and makes research on the reason of the gear - box vibrating noise. by combine using finite element analysis and experimental analysis method, the dissertation directly researches the vibrating noise of the gear - box, and takes some availability measures to control vibrating noise from the box surface. by improving the box to reduce its noise, and validate the effect
本文針對一汽超長載重汽車噪聲指標不符合國家最新標準的實際問題,對其變速箱振動噪聲的產生機理進行深入研究,應用有限元分析與實驗分析相結合的方法直接對其進行振動和噪聲分析,在此基礎上提出控制其振動噪聲的有效措施,並通過對其箱體的改進設計,最終達到減振降噪的目的。The sound intensity measurement is carried out for the exterior radiation noise of an automobile and by means of spectrum and correlation analysis of noise signal, an investigation into the application of sound intensity measurement to vehicle noise control is presented. for the main noise sources of automobile - noise of the engines made a distinguish analysis technology and various noise control measures. it is beneficial reference to reduce noise of engine
本文依據聲強測量的原理,以汽車噪聲源的分析為應用對象;通過對汽車的車外輻射噪聲進行了聲強測試並對噪聲信號進行頻譜分析和相干分析,研究了聲強測量系統在汽車噪聲控制中的應用問題;論述了汽車發動機噪聲的鑒別分析技術和各種控制措施,為發動機噪聲的降噪工作提供參考。Measurement method of vehicle noise
汽車噪聲測量方法And at the same time, automobile noise pollution has been severer than before
汽車工業發展迅速,使得汽車噪聲污染日益嚴重。The reduction of exhaust system noise is the key to the reduction of automobile noise. at present, the main method to reduce exhaust noise is by setting muffler in automobile exhaust system
減小排氣噪聲是降低汽車噪聲的關鍵,目前在排氣系統中安裝排氣消聲器是減少排氣噪聲的主要方法。In a word, the paper develops an integrated set of testing and analyzing system aimed at vehicle noise and vibration control, offering an important means to improve the vehicle nvh level
綜上所述,本文針對汽車噪聲與振動開發了一套功能完善的集成化測量分析系統,為進一步提高汽車的nvh水平提供了重要手段。These years, with increasing of the requests to the vehicle comfortableness and strengthening of environment protecting consciousness, many countries " requests to the vehicle noise has been more and more strict
近些年來,隨著人們對汽車乘坐舒適性要求的提高和人們環保意識的加強,各國對汽車噪聲的要求也越來越嚴格。The noise and vibration of vehicle are related to environment protection, vehicle harshness and work life. how to control the noise and vibration has been one of the most important subjects in vehicle engineering
汽車噪聲與振動關繫到環境保護、汽車行駛的平順性和汽車使用壽命,如何控制汽車噪聲與振動已經成為一個重要的研究課題。Automobile noise is the pollution problem that need be solved urgently in our country. reducing the noise of automobile not only is beneficial to environment, but also avails to people health and improving the standard of living
汽車噪聲是我國目前亟待解決的噪聲污染問題,降低汽車噪聲不僅有利於環境保護,而且有益於人們的身體健康和生活質量的提高。It is based on a set of practical data in some area. the nonlinear least - square method is used to work out the parameters of the mobile communication channels " model, and then the error sequence comes into being. the noise ' s model of automobile that can reflect the random characteristics of the noise is also founded
本論文採用簡單分群的markov二狀態模型建立移動通道概率統計模型,從某一移動通道實測曲線出發,利用非線性最小二乘法得出狀態模型參數,從而獲得移動通道的差錯序列;本文對汽車噪聲的產生以及它對信號的影響進行了詳細的分析,提出了汽車噪聲模型;並且採用尖脈沖模擬汽車點火噪聲脈沖,實現了噪聲對信號的隨機干擾,形象地反映了移動通道中信號的疊加過程。分享友人