聲振器 的英文怎麼說
中文拼音 [shēngzhènqì]
聲振器
英文
sonic vibrator-
Surface acoustic wave resonators - guide to the use
表面聲波諧振器.使用導則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。Sonic oscillator provides a very efficient means of breaking cells or organelles.
超聲振蕩器為破碎細胞或細胞器提供一種很有效的手段。Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator
本文研究了以低損耗、高q值聲表面波（其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ，和聲表面橫波等）諧振器的工作原理、設計參數、製作工藝及其實驗結果，並且研究了以1ghzstw諧振器為頻控元件的高頻率、低相位噪聲聲表面波振蕩器，以及低相位噪聲聲表面波振蕩器的測試方法和最終的測試結果。Dipl. ing. eugen vom cleff gmbh offers offers on shaft seals, o rings and hydraulic packings. additionally also on radial shaft sealing rings and shaft seals
該企業為您提供阻尼器、減震器、消聲器、減擺器、扭轉振動減振器、汽船、調節風門、阻尼裝置、密封環和緩沖裝置以及棒料密閉和自緊油封的報價。An experimental setup has been designed and built up through a collaboration program between cryogenics laboratory in zhejiang university and limsi - cnrs ( france ). the system employs the inherently reversible stirling cycle, and then its thermodynamic efficiency can easily surpass that of standing - wave system and is even comparable to that of the traditional internal combustion engines
在充分理解工作機理的基礎上，與法國國家科研中心limsi實驗室合作，設計並建成一臺行波型熱聲驅動器實驗裝置，進行了初步實驗，以氨氣和氮氣為工質，成功地獲得了頻率分別為66hz和23hz的熱聲振蕩。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。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。Application of surface acoustic wave resonator in high - frequency radio rmote controlling circuit
聲表面波諧振器在高頻無線電遙控電路中的應用Seal concept gmbh dichtungen halbzeuge is one of the reliable industrial companies in the range rod seals as well as gaskets, hydraulic packings and also rotary shaft seals
該企業為您提供阻尼器、減震器、消聲器、減擺器、扭轉振動減振器、汽船、調節風門、阻尼裝置、密封環和緩沖裝置以及棒料密閉和自緊油封的報價。Dr is made of microwave ceramic with high dielectric constant and very low loss. using dr, the phase noise of an oscillator could be made to be extremely low
介質諧振器（ dr ）由高介電常數、低損耗的微波陶瓷材料製作而成，它能極其容易地實現微波頻率源的低相位噪聲。The noise of ship superstructure cabin has becoming a more and more important problem because of many negative factors caused by ship vibration and noise, such as the fatigue and breakage of ship structure, failure performance of the instrument and device and the uncomfortable feeling, even the health weakening of passengers and crew
船上噪聲不僅會導致某些結構聲振疲勞破壞，還會影響艙內各種儀器、設備作用的正常發揮，對居住在艙室的人來說輕則影響到其居住環境的舒適性，重則對人體健康有危害。因此，船舶上層建築的艙室噪聲問題已日益引起船舶設計工作者的關注。Acoustics - reference zero for the calibration of audiometric equipment - part 3 : reference equivalent threshold force levels for pure tones and bone vibrators
聲學校準測聽設備的基準零級第3部分:骨振器純音基準等效閾力級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。The company have an advanced product line domestic and abroad, manufacture management quartz crystal resonator chief, filter, oscillator ; ceramic resonator, filter and sound surface resonator, filter, etc
公司現擁有數條國內外先進生產線，主要生產經營石英晶體諧振器、濾波器、振蕩器；陶瓷諧振器、濾波器及聲表面諧振器、濾波器等。In this paper, the operation principle of the oscillator is analyzed first, from the point of view of theory the designs of crystal resonator and its equivalent circuit, crystal oscillator and thermostatic chamber are defined. the noise model of circuit is used to analyze key factors influencing phase noise of the crystal oscillator, in order to control phase noise of the crystal noise from the very beginning of the design
本文首先分析了振蕩器的工作原理，從理論的角度闡明了晶體諧振器及其等效電路、晶體振蕩器和恆溫箱的設計，利用電路的噪聲模型來分析影響晶體振蕩器相位噪聲的關鍵因素，從設計就開始控制晶振的相位噪聲，為更好地實現課題的目標打下良好的基礎。First, the frequency - temperature ( f - t ) characteristic of quartz crystal resonator is analyzed. then, the frequency - temperature ( f - t ) characteristic curve of at - cut quartz crystal resonator ( at cut angle : 3 = 0, 1 = 35 6 ) is obtained based on analyzing the christoffel equation describing flexibility sound wave in solids, which serves as the theory basis used for temperature compensated, from which the actual circuit of oscillatory circuit is designed
首先對石英晶體諧振器的頻溫特性進行分析，然後通過求解描述固體中彈性聲波的christoffel方程，得到其在切角3 = 0 ， 1 = 356處也即at切石英晶體諧振器的頻率溫度特性曲線，這是本文進行溫度補償的理論依據。Rather it was marked off by a mechanism that could track the beats of an oscillator
機械鐘出現了之後，時間不再流逝了，而是用機械裝置來分割，這個裝置能計算振?器的敲擊聲。In the course of theory analyses, acoustic / vibration signal acts on the coupling area of a coupler. there are two different actions - horizontal operation and vertical operation and two different transmissions - traveling wave and standing wave. the responses of the sensor analyzed with matlab shows that the length of coupling and the frequency of acoustic / vibration signal will influence the sensitivity of the sensor
理論分析過程中，聲振動信號對傳感器的耦合區有不同作用方式（橫向作用縱向作用）以及不同傳播形式（駐波傳播/行波傳播） ，用數學軟體matlab對其響應進行模擬分析，得出了耦合長度和聲振動信號頻率會影響傳感器的靈敏度。Cooperation with the universities and colleges widely, such as sichuan university, zhejiang university, zhejiang university of technology, etc. established long design research item. mainly products are : tv - if saw filters for color tv sets and b / w tv sets, cordless phone saw filters, saw resonator and all kinds of low insertion saw components in the communication
公司與四川大學、浙江大學、浙江工業大學等大專院校建立長期的科研合作關系，主要設計開發的產品有：電視中頻聲表面波濾波器、無繩電話聲表面波雙工器、廣泛應用於通信領域的聲表面波諧振器和各類低插損聲表面波帶通濾波器。分享友人