諧振頻率計 的英文怎麼說

中文拼音 [xiézhènbīn]
諧振頻率計 英文
reso-meter
  • : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 頻率 : frequency; rate
  1. In the next place, by studying the change of the resonant frequency of the whole system, this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly. at the same time, in order to improve the efficiency and get better dynamic capability of the converter, we choose pll and fuzzy control after comparing the pll circuit, fuzzy circuit and pll ? fuzzy control circuit. in the end, this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter, using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system

    其次,通過對整個系統變化的分析和研究,設了以鎖相環cd4046為核心的鎖相環控制電路,同時,在綜合比較鎖相環控制、模糊控制以及模糊控制和鎖相環復合控制三種控制演算法的基礎上,進行了系統模擬,得出採用復合控制可使跟蹤電路既具有鎖相環路較好的穩態性能,又擁有模糊控制較好的動態性能,系統魯棒性能好,同時也提高了逆變器的效
  2. Secondly, based on the syntony frequency and the elasticity mechanics and other correlative professional knowledge, establishes a suit of fsm vibration module system, selects the structure, material and the process and treatment technique of the elastic element in the elastic system of the mirror, analyzes a lot of factors which affect the structure of the rapid controlling reflector and provides the derivation formula

    為出發點,利用彈性力學等相關專業知識,建立一套fsm的動模塊系統;確立了反射鏡彈性系統中彈性元件的結構、材料的選擇,及加工,熱處理。分析了影響快速控制反射鏡結構的諸多因素,給出其相關推導公式,最後應用solidedge和cosmos軟體對該結構進行了算機模擬。
  3. Relationship between the gyro ’ s bandwidth and sensitivity and the resonant frequency differential ratio is derived through frequency analysis. the bandwidth of the gyro increases as the resonant frequency differential ratio increases ; but the sensitivity decreases as the resonant frequency differential ratio increases

    增大驅動軸和敏感軸之間差,可以增加微陀螺的帶寬,但是降低了微陀螺的靈敏度,這為設石英音叉結構參數時,確定驅動軸和敏感軸提供了指導依據。
  4. The design of resonant p. a. cell is one of the most important parts, including p. a. cell structure, first resonance frequency, optical reflection sets, and couple between optical fiber and p. a

    式光聲腔的設是該系統的關鍵,包括光聲腔結構設、第一及品質因子的確定、光學反射裝置、光纖和光聲腔的耦合等。
  5. Thin films of ferroelectric materials can be developed to present very few losses and add no significant weight to the antenna structure. the permittivity of these materials changes with an applied dc voltage ; and this change can be used to control the resonant frequency of an antenna

    將鐵電材料應用到天線的設中,外加直流偏壓可以控制鐵電材料的介電常數,從而控制天線的,這樣就可以製作出可調天線。
  6. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  7. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了算。理論分析表明,場分析法可用於算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的、間隙阻抗實部和外觀品質因數等特性參數。
  8. The system can generate sweep frequency signal with frequency range from 100khz to 150mhz and power range from - 40dbm to + 18dbm, and measure the gain and phase of the crystal. according to the gain and phase information and the iec - 444 standard, crystal parameters can be calculated, such as nominal frequency, series resistance, shunt capacitance, motion capacitance, motion inductance, q factor and so on

    該系統能產生范圍達100khz 150mhz ,功范圍為? 40dbm + 18dbm的掃信號,並能對晶的增益和相位差進行測量,其測量結果按照iec - 444晶測量標準進行實時處理和算,從而得到晶的串聯、並聯、等效電阻、靜態電容、動態電容、動態電感和品質因數等主要電參數。
  9. 30 mhz measurement of quartz crystal unit parameters by zero phase technique in a pi - network - part 4 : method for the measurement of the load resonance frequency fl, load resonance resistance rl and the calculation of other derived values of quartz crystal units, up to 30 mhz

    用型網路的零相位法測量石英晶體元件參數.第4部分:石英晶體單元負荷fl負荷電阻rl的測量方法及其他石英晶體元件導出值的算方法
  10. The design testing piezoelectric material surface acoustic during the experiment process in the paper has several merits : convenience, efficiency, no loss, fastness. and they can be realized. the design applies material piezoelectric response and anti - piezoelectric response to stimulus and receive saw, and apply the method of testing resonator frequency to calculate saw tested speed, simultaneously contrast the actual test result about different material to typical value in the paper

    在本論文的研究實驗過程中,給出了一種方便、有效、無損、快捷的檢測壓電材料表面聲速的設與實現,該設中運用材料的壓電效應和逆壓電效應激勵和接收saw ,並運用檢測的方法算測量saw速度,同時給出了對不同材料的實際測試結果以及與資料典型值的對比。
  11. Resonant frequency and dual - frequency design of bow - tie microstrip antenna

    蝶形微帶天線的與雙
  12. Measure these change, we can calculate the magnitude and direction of the three - axis force

    因此,檢測石英晶體的改變量,便可算出三軸力大小和方向。
  13. The electromagnetic field and energy distribution of gaussian beam existing in quasi - optical resonator are analyzed and simulated using matlab, the resonant frequency and waist radius of the resonator are calculated, and design the 3mm quasi - optical resonator according to resonant frequency and waist radius

    本文首先分析了準光腔內存在的高斯波束電場和能量分佈情況,模擬了工作模式tem _ ( 00q )和高次模式的電場和能量分布圖,算準光腔的和束腰半徑,以此為依據設了3mm準光學腔。
  14. Basing on the theories of finite element method, analysed computer simulation of high frequency structure in resonator ; 3. compared effects to resonate frequency and fields caused by coupling slots of buncher in different azimuth ; 4

    從有限元理論的角度出發,對算機模擬腔內高場結構進行了分析探討; 3比較了調制腔部分耦合縫的位置變化對及腔內場的影響; 4
  15. A fem software as an important tool, work has been done as follows : the method using fem to design anomalous structure of transducers was adopted ; the vibration modes of the elastic pipe, ultrasonic transducers and system has been analyzed in piezoelectric coupled field. resonant frequencies of the transducers have been matched quite well with resonant frequencies of pipe, which can make it easy and accurate to design a transducer. the values of equivalent dynamic capacitors and dynamic inductances of ahead nine orders have been gotten derived by fem method, and fem equivalent circuit of the transducers has been built

    以ansys有限元軟體為主要分析工具完成了設工作;在經典換能器設理論和前人經驗的基礎上,對不規則形狀的換能器採用了有限元的方法設;在耦合場中分析了換能器、導管及整體裝置的動情況,使換能器的與導管的達到了較好的匹配,使設變得更加容易和準確;利用有限元方法建立了子的等效電路模型,求出了其前6階模態的等效動態電容電感值,為阻抗匹配和驅動電路的設提供了依據。
  16. The directivity coefficient of the phased array antenna has been generalized and discussed. according to the formulations of microstrip antenna design theory, planar and cylindrical microstrip patch cell has been analyzed. we can conclude that the cylindrical microstrip patch cell has the performance of high gain, low thickness, high resonant frequency, uniform directivity diagram, and easy fabrication on missile body, so it is a good choice

    本文根據微帶天線設理論,分析了平面和柱面兩種微帶貼片單元,其中柱面微帶貼片單元增益高、厚度小、高、方向圖均勻,且較易加工製作在彈體上,適合在相控陣天線中做共形輻射單元。
  17. It is very important to the electromagnetic simulations. this paper base on the theory and method of electromagnetic calculation and fdtd, associate with the particle simulation technology, develop an algorithm to resolve the problem of the eigenmode analysis of the cold - cavity in practice

    本文從分析電磁場算的基本原理和方法出發,立足於時域有限差分法,結合算機粒子模擬技術和數值算原理,開發出一種能夠分析算高功微波器件冷腔以及本徵模式的演算法。
  18. Antenna parameters studies are presented and practical design considerations for achieving high gain and wide bandwidth are given. in chapter 4, a novel pifa with high radiation efficiency is designed for a tri - band mobile handset application

    天線印刷線路板的尺寸等參數對天線和帶寬的影響在本章中詳細研究,一個詳細的實際設例子也在本章中介紹,測試結果表明天線獲得了較高的增益和較寬的帶寬。
  19. However, the inherent shortcoming of piezoelectric transformer hinders its further development. the major problems include : ( 1 ) the development and design of the piezoelectric transformer involve in lots of theoretic aspects including the design of material, dimension, electrode and circuit ; ( 2 ) it is hard to harvest high voltage enhancement ratio and high - power output simultaneously ; ( 3 ) the operation of the piezoelectric transformer is strongly dependent on the resonance frequency, which leads to the difficulty in the design of driving circuit

    但其自身所存在的固有缺點也在很大程度上限制了壓電變壓器的進一步發展,突出的問題有:壓電變壓器的研製包括材料設、尺寸設、電極設和電路設等多個環節,所涉及的理論面很廣;壓電變壓器的高陞壓比和大功輸出難以同時得到保證;壓電變壓器的工作過多地依賴于,為外部電路的設帶來了困難。
  20. In chapter 5, the controller of resonant converter designed by myself, was introduced, in which zero current switching ( zcs ) had been realized

    第五章介紹了自行設的適合於不同變換器的控制器,實現了變換器的軟開關技術。
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