聲振動 的英文怎麼說

中文拼音 [shēngzhèndòng]
聲振動 英文
acoustic oscillations
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. 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。
  2. Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect

    並且對行波型超聲波電動機的減摩現象進行了研究，發現在接觸區定子表面上一點的水平振動產生摩擦驅動力，垂直振動只起影響水平驅動效果的作用，得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。
  3. Annoying sounds and inaudible vibrations have caused problems with some experimental wind machines.

    某些實驗風力發電機確實存在著噪聲和無聲振動問題。
  4. Beijing chuangshijingye noise & vibration control co., ltd is a specialized company which is engaged in noise and the vibration control engineering on industrial enterprise, civil construction, municipal administrtion traffic

    北京創世靜業噪聲振動控制技術有限公司（以下簡稱：創世靜業公司）是從事工業企業、民用建築、市政交通等噪聲與振動控制工程的專業公司。
  5. Because there are defaults in the classic methods of acoustic signal analysis, a new method based on the wavelet analysis is brought forward in the paper

    針對傳統的聲信號分析方法在信號特徵提取方面存在的缺陷，本文提出了一種基於小波變換的聲振動信號的特徵提取方法。
  6. The paper analyzed synthetically the environmental impact that is produced in construction time of under - ground no. one of shenyang, studied the generant rule and quantity of pollutants such as noise, vibration, waste water, waste gas and solid offal and etc., proposed countermeasures to alleviate and control environmental impact

    摘要通過對沈陽地鐵一號錢施工期產生的環境影響綜合分析，研究該項目在建設中產生的噪聲、振動、廢水、廢氣及固體廢棄物等污染物產生的規律和發生量，並提出緩解和控制環境影響的措施。
  7. Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment

    本文從緩變光纖波導的局部耦合模理論出發，推導出了單模光纖耦合器耦合分光在聲波作用下的變化規律，提出了以單模光纖耦合器的熔融區為傳感元件的傳感器在聲振動信號檢測中應用的新思想，並實驗論證了這種新型光纖傳感器應用於實際的可行性。
  8. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離，給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究，分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響，給出了相應的改進措施。
  9. Ceramic material had better performance than steel and copper and the shorter the stack, the lower the initial temperature for oscillation

    而從熱聲振動的方式來看，強制振動比自激振動具有更低的起振溫度。
  10. Verification regulation of noise - vibration meter for measuring environmental pollution

    公害噪聲振動計檢定規程
  11. So they ' re vibrating sub sonically

    所以它們在用次聲振動
  12. The results show that vibration parameters have a great effect on the surface roughness and the tool life

    在精密車床上進行了金剛石刀具超聲振動切削不銹鋼零件的加工實驗。
  13. Study of cutting thin - wall microscopic cylinder with the method of ultrasonic vibration

    超聲振動切削薄壁鏡筒零件的研究
  14. The wave length of infra - sound is quite long : typical infra - sound from the eye of a typhoon has a 4 to 8 second cycle 0. 25 to 0. 125 hz, meaning that its wavelength is a few kilo - metres long

    次聲波的波長很長，例如臺臺風眼所產生的次聲振動周期約秒0 . 250 . 125赫茲，波長便可達數公里。
  15. Mainly responsible for supervising and inspecting the carrying out and implementation of national or local environmental protection policy, rule of laws and regulations and standard, make and organize implementation of the environmental protection plans of the whole city, responsible for the protection of water body, atmosphere, soil environment in the whole city, supervise and manage the prevention and control of pollution such as wasted water, liquid waste, offal noise, vibration, poisonous chemicals and electromagnetic wave radiation, responsible for supervising the law - enforcing work in environment

    主要負責監督檢查國家和地方環境保護方針、政策、法律、法規規章及標準的貫徹實施，制定並組織實施全市環境保護規劃、計劃、負責全市水體、大氣、土壤環境的保護，監督管理廢水、固廢廢棄物噪聲、振動、有毒化學品以及電磁波輻射等污染的防治工作，負責環境監督執法工作。
  16. The purpose of the thesis is to develop a new type of intelligent high - power ultrasonic power supply, which has many excellent performances. it includes : （ 1 ） the article firstly analyses the electrical impedance and working characteristics of ultrasonic vibration system. based on these, the overall scheme of power supply has been set up and operational principle of control systems has been proposed

    本文旨在研製一種多方面性能優越的新一代智能化大功率超聲電源，內容包括： （ 1 ）在分析超聲振動系統的電聲特性和工作特性的基礎上，構造了智能化超聲電源總體設計方案，提出了控制系統的工作原理。
  17. At last, the conclusion is got that proper ultrasonic vibration can enhance the efficiency of the normal maf due to the ultrasonic vibration can make the grain flow more frequently and then refresh the milling - grain on - working and sharpen the grain ' s blade

    最後對實驗結果進行了分析，得出功率大小適當的超聲振動可以促進磨粒刃口自銳，工作磨粒及時更新，從而提高磨刷切削能力等結論。
  18. The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity

    在分析點光源激勵聲表面波機理的基礎上，求出了線光源激勵的超聲振動的位移表達式，發現線光源激勵的近場區表面波具有波形好，信噪比高，指向性好，幅度強等特點。通過理論推導，得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比，並與入射角和散射角有關；適當減小cfpi的帶寬，增加腔長，增大鏡面反射率，或者減小檢測入射角都可以提高系統的信噪比。
  19. To reduce noise, vibration and wheel / rail force, and improve ride comfort and fatigue life of wheel / rail, the resilient wheelset becomes the inevitable outcome of urban public traffic

    為了降低噪聲、振動、提高乘坐舒適性、降低輪軌作用力及提高輪軌疲勞壽命，彈性輪對車輛的誕生就成為城市公共交通發展的必然產物。
  20. Based on these types of acoustic / vibration sensor, a novel coupling acoustic / vibration optic fiber sensor has been developed

    本課題在這些類型的聲振動傳感器的基礎上，研製出了獨具特色的耦合型聲振動光纖傳感器。
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