機內噪聲 的英文怎麼說

中文拼音 [jīnèizàoshēng]
機內噪聲 英文
set noise
  • 機 : machineengine
  • 內 : 名詞1. （內部; 里頭; 里邊） inner; inside; within 2. （妻子或妻子的親屬） one's wife or her relatives 3. （姓氏） a surname
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 機內 : belly
  1. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。
  2. Measurement of noise in engine room of diesel locomotives

    鐵路內燃機車動力室噪聲測量
  3. 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。
  4. Production and processing equipment : bearing production equipment, the ball processing equipment, bearing cleaning equipment, packaging equipment bearings, needle roller processing equipment, light jewelry processing equipment, spherical roller processing equipment, rough processing equipment, double - end grinders, spindle, wheel oilstone and other grinding materials, heat production, high - precision coordinates grinder, and outside grinder, seal marking machine, profilometry, contour dynamic analysis, hardness needle - sorting machine, a round instrument, processing tester, processing meter, dynamic vibration and noise analysis, vibration, noise testing device raceway ultra - precision instrument, roughness measuring instrument, the finish detector, sorting machine, converters and bearing products preservatives, lubricants, cleaning agents, such as processing raw materials

    生產及加工設備：軸承生產設備球加工設備軸承清洗設備軸承包裝設備滾針加工設備光飾加工設備球面滾子加工設備毛坯加工設備雙端面磨床電主軸砂輪油石和其他研磨材料熱處理生產高精度坐標磨床內外圓磨床印子打標機輪廓測量儀輪廓動態分析儀硬度針分選機圓度儀加工測試儀加工測量儀振動噪聲動態分析儀震動噪聲測試裝置滾道超精儀粗糙度測量儀光潔度檢測儀分選機變頻器及軸承產品防腐劑潤滑劑清洗劑加工原材料等。
  5. In the recent years, with the development of such technologies as computer and digital signal processing, transaural technology based on system of kemar grows ; it has a broad future on the domain of electro acoustics, indoor - acoustics, yawp - acoustics, psychoacoustics, computer multimedia and manual virtual environment, which has expanded the scope of the system of kemar

    但近年來，由於計算機技術，數字信號處理技術等方面的發展，在假頭型立體聲系統的基礎上，發展了聽覺傳輸技術。它在電聲、室內聲、噪聲、心理聲學、計算機多媒體和人工虛擬環境等許多方面有廣泛的應用前景，其內容已超過了假頭型立體聲這樣一種特殊的聲傳輸和重發系統的范疇。
  6. The investigation has declared that the fuel injection with bq fuel pump had higher injection pressure, bigger fuel supply rate and shouter fuel supply duration, which would cause the fuel injection quantity and the fule - air mixture to increase during ignition delay period, the pre - mixed combustion to become acutely, and finally result in increased power levels of noise

    研究表明，裝配bq噴油泵，噴油系統的噴油壓力較高，供油速率較大和供油持續時間縮短，使得滯燃期的噴油量增加，滯燃期內形成的可燃混合較多，預混燃燒劇烈，導致整機噪聲聲功率級增加。
  7. Abstract : in the paper, based on the problem that strong reactive background noise can bring about a big measurement error when sound power is measured in a narrow room, such as power room in a diesel locomotive, it is analyzed theoretically that sound power is measured and carried out by using sound intensity probe hood, and sound power of diesel engine surface noise is measured in a power room

    文摘:在狹小空間如內燃機車動力室的條件下，測量柴油機表面噪聲聲功率時，動力室內抗性背景聲很強引起較大的測量誤差，從理論上分析了採用聲強探頭罩進行聲功率測量的可行性，並進行了內燃機車柴油機表面噪聲的聲功率測量。
  8. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上，採用一種新型雙向dc dc變換器的拓撲結構，把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件。
  9. Abstract : in this paper, the reason arisen from the noise of the bx1 ac arc welder is analysed. for the main factor, moving core viberating, the measure to reduce the noise is advanced from three hands, inside and outside slide. the other measure is also advanced for the second factor

    文摘:對bx1系列交流弧焊機噪聲產生的原因進行了分析，針對產生噪聲的主要原因? ?動鐵芯的振動，從三個方面、內外滑道分別提出了具體的降低措施，並對次要原因也提出了具體降低措施。
  10. The acoustic design for a passenger compartment of the vehicle, ship, and plane is very important to improve the carborne acoustic comfort and to enhance the competitiveness for the products in market

    隨著對車、船、飛機乘坐舒適性要求的不斷提高，其乘坐室（艙）內的噪聲問題越來越引起人們的高度重視。
  11. It is proved by measuring noise of fan room of jcfk, that there are pretty good agreements between estimation and experiments. then, this model is applied for the practical engineering of noise control in fan room. the ways to connection qualitative with quantitative, analysis in theory with policy decision in practice are successfully used and the optimal scheme of noise control is achieved. moreover, the effect of the optimal scheme is estimated. this paper makes considerable headway about not only the research range and content but also the theoretical basis and research method. it has the important practical value

    把模型運用於復烤廠風機房噪聲污染治理的實際，採用定性分析與定量分析，理論計算與經驗決策相結合的方法，對風機房車間噪聲控制，隔聲間噪聲控制和傳播途徑噪聲控制三方面系統研究，制定風機房噪聲控制優化方案，並編程預測治理效果。這不僅將噪聲污染監測，評價治理，預測的研究有機地結合起來，拓展了研究范圍和內容，而且研究方法有所創新，對當前工業噪聲優化控制有較強的推廣和應用價值。
  12. 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。
  13. This article explains vehicle interior noise and its basic theory, also explains how to consider structure and material based on control noise during designing

    摘要闡述汽車車內噪聲來源與產生的機理，系統的論述在設計過程中如何從控制噪聲的角度出發考慮產品的結構、材料等。
  14. More often than not the combustion noise refers to the noise radiated from the cylinder cap, piston, rod, crankshaft to the engine body propelled by the pressure vibration generated out of the combustion inside the cylinder

    燃燒噪聲和機械噪聲很難嚴格區分，通常將由於氣缸內燃燒所形成的壓力振動通過缸蓋、活塞-連桿-曲軸-機體向外輻射的噪聲稱之為燃燒噪聲。
  15. The wind rates of roots blower with these various kinds of three - lobe circular arc rotor are calculated and comparison between their performances is carried out. it is found that three - lobe rotor with external - internal circular arc and cycloid can produce the largest air volume. comparing the air pulsation produced by cylinder rotor and helix rotor, and proof that the structure of helix rotor can reduce the noise of roots blower

    本文給出了羅茨鼓風機三種不同的圓弧轉子型線的參數方程（外圓弧及其包絡線型、內圓弧及其包絡線型、和內外圓弧加擺線型） ，還給出了這三種轉子的徑距比（ r _ a a ）的極值，並進行比較，得到：內外圓弧加擺線線型是最優線型這一結論；為降低羅茨風機的噪聲，將傳統的直葉轉子改成扭葉轉子。
  16. Active control of propeller induced aircraft cabin noise

    螺槳飛機艙內噪聲的主動控制
  17. This article mainly concern the sound material in the engine compartment of a passenger car, and obtain that the old material which can not satisfy the need have to be replaced

    摘要通過測量分析發動機艙內噪聲頻譜特性，對某型客車發動機艙的原用吸聲材料進行測量，並得出了原有材料選用不適當的結論。
  18. In the first chapter, the developmental actuality and its trends in the field of fault monitoring and diagnosis on mechanicals are expressed. principles and actuality inside and outside country of noises diagnosis on mechanicals are analyzed. some problems of this method are issued

    論文的主要內容如下：第一章論述了機械故障監測與診斷領域的發展現狀及趨勢，分析了機械噪聲診斷技術的原理及其國內外研究現狀、存在的問題和發展趨勢；針對機械噪聲診斷技術存在的問題，在分析國內、外對信號盲處理的研究及應用現狀的基礎上，初步引入信號盲分離概念及模型。
  19. This article firstly deal with the sound source, noise measurement and analysis, noise control principle and some basic noise control technology, then elaborate the current noise detection standard and method for the coach in our country, the noise mechanism. characteristics and the measures of noise - controlling, finally. describe the actions of noise control, noise detection and optimization in our coach detailedly, which have met with the expectation

    本文首先敘述了聲音的產生原因、噪聲的度量和分析方法；介紹了噪聲的控制原理和原則以及一些基本的噪聲控制方法。然後，介紹了我國目前的客車車內噪聲的檢測標準和方法；詳細闡述了客車主要噪聲源的產生機理和噪聲特性以及車內噪聲控制措施；最後，理論與實際相結合，對我公司的lck6122型大型客車採取了相應的噪聲控制措施以及並其進行了測試和優化。
  20. After precision validated, the system is used to test and analyze local noise, interior noise, pass - by noise and engine vibration and noise. the results prove that the system is precise and helpful to accurately locate the source of noise and vibration, so it arrives at the requirements of functions and capabilities

    系統通過了精度驗證，並在實際應用中測量和分析了汽車定置噪聲、汽車勻速行駛車內噪聲、汽車加速行駛車外噪聲和發動機臺架振動噪聲，結果表明系統測量分析準確，能夠準確定位汽車和發動機的聲源和振源，達到了預期的功能和性能需求。
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