stabilization of frequency 中文意思是什麼

stabilization of frequency 解釋
頻率穩定
  • stabilization : n. 穩定(作用),幣值的穩定;堅定,固定。 effect economic stabilization 實現經濟的穩定。n. -zator =stabilizer.
  • of : OF =Old French 古法語。
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac

    在控制器的電路結構設計的基礎上,考慮到通訊、控制的及時、穩定、轉換的精度和速度等幾方面,主要完成對微處理器的選擇、時鐘頻率和a d轉換器的選用,閥位變送功能的實現,固態交流開關和顯示器的選擇等。
  2. With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth

    隨著激光技術的發展,諧振腔由於其腔內損耗小、精細度高、線寬窄等特點,使得其在監視激光模式、測量並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動力學等方面起到重要的作用。
  3. For the characteristic of low frequency movement of the target and high frequency system line - of - sight jitter, basic theory of compound axes line - of - sight stabilization system with line - of - sight pointing reference unit ( lospru ) is analyzed

    依據目標低頻運動和儀器視軸高頻抖動的特點,分析了使用視軸瞄準參考器的復合軸視軸穩定系統的基本原理。
  4. By using optical cable communication methods, which have advantages of great information transmission capacity, rapid velocity, wide frequency band, strong anti - jamming capability, low circuitry loss and easy construction, modern sky - wave over - the - horizontal radar can achieve information transmission and system control of full coherent radar, which has excellent abilities of security, stabilization, anti - jamming and anti - destruction

    通過採用光纖傳輸技術,利用其信息傳輸容量大,速度快,頻帶寬,抗干擾能力強,線路損耗低,易於施工等特點,實現全相參雷達的信息傳輸和系統控制,具有優良的保密性,穩定性、抗干擾性和抗摧毀能力。
  5. Design procedure of u - shaped anti - rolling tank system is established, and program of scale design for tank is summarized, and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency, the natural frequency of rolling of a ship and other influencing factors, and causes of formation of tank damping and motion state of water in tank are studied, calculation formula of the u - tube tank damping and design method of tank damping configuration are given, and the influence of tank vertical location within the ship on ship parameters, stabilization performance of tank and water motion in tank is studied

    建立了完整的u型減搖水艙系統設計程序;總結了u型減搖水艙尺度設計;提出了根據波浪頻率變化范圍、船舶固有頻率變化范圍和其它影響因素,選取可控被動式減搖水艙固有頻率的新方法;分析了u型減搖水艙阻尼的形成原因,給出了估算水艙阻尼和設計水艙阻尼結構的方法;研究了減搖水艙在船舶中的垂直位置布置對船舶參數、水艙減搖性能和艙內流體運動性能的影響。
  6. Rc oscillator ’ s frequency is 1khz. the voltage reference of ic is 2. 2v, which can keep stabilization when the power supply is bigger than 2. 3v. in that case circuits can insulate yawp from power supply

    在穩壓源電路設計中,採用了運算放大器負反饋的形式,使參考電壓源為2 . 2v ,並在電源大於2 . 3v時保持穩定,隔離了電源噪聲。
  7. ( 2 ) for linear systems with time - varying delays both in state and control, and subject to norm - bounded parameter uncertainties, the problems of robust stabilization and robust h control are studied and delay independent results are derived by constructing proper lyapunov function to deal with the time - delay, also by using riccati equations method and inequalities transformations to deal with the uncertainties. according to the transform function of the system, frequency domain method and time domain method are combined together to analyze the robust h control problem of the uncertain time - delay system

    ( 2 )研究了一類狀態和控制同時具有時變時滯以及參數時變有界不確定性系統的時滯無關的魯棒鎮定及h控制問題,採用把時滯因素和不確定因素分開處理的思路,通過構造適當形式的lyapunov函數來處理時滯,採用不等式變換及riccati方程方法來處理不確定性,採用頻域與時域相結合的方法根據系統的傳遞函數分析時滯不確定系統的魯棒h控制問題。
  8. Simulations on light intensity are validated by experiments and influence of mechanical dither on gyro frequency stabilization is studied for the first time. then it is point out that the key to improve the precision of frequency stabilization is to choose appropriate modulation frequency based on the frequency spectrum of sharp pulses, which is introduced by mechanical dither. thereafter, experiments of frequency stabilization under different modulation frequencies are made

    通過實驗驗證了光強模擬結果,首次分析了機械抖動對穩頻的影響,指出提高機抖陀螺小抖動穩頻精度的關鍵在於:根據機械抖動引入的交流光強尖峰脈沖頻譜分佈選擇合適的調制頻率,並給出了不同調制頻率的穩頻實驗結果。
  9. Secondly, considering the need of frequency stabilization, mdrlg ' s light intensity is simulated. the simulations indicate that sharp pulses are produced in the ac light intensity by mechanical dither. as the pulses have a wide frequency spectrum and range over the modulation frequencies of frequency stabilization, mechanical dither may reduce the precision of frequency stabilization

    其次,根據穩頻需要對機抖陀螺輸出光強進行了模擬,模擬表明機械抖動會在交流光強中引入尖峰脈沖,且尖峰脈沖頻譜分佈較寬,在小抖動穩頻調制頻率范圍內有功率輸出,因而可能降低穩頻精度。
  10. As to the polyreference implemention of the least - squares complex frequency - domain estimator in mathematical separation technique of modes, this thesis builds a right matrix - fraction description model to estimate the system poles. then frequency point stabilization diagram is set up and analyzed to automatically determine natural frequencies, modal damping ratios and modal participation factors. finally mode shapes are identified based on the least squares theory

    對于模態數學分離技術的多參考點最小二乘復頻域識別技術,先建立右矩陣分式頻響模型,識別出系統極點,再通過建立和分析頻率點穩態圖,能自動的確定出結構的固有頻率、模態阻尼比和模態參與因子,最後根據最小二乘原理識別出模態振型向量。
  11. Based on the experience, this thesis adopts pll to realize wireless video transmission, which can stabilize the center frequency, reduce the frequency offset and enhance the stabilization of system

    在總結經驗的基礎上,本文採用了鎖相環調頻來實現無線視頻傳輸的方法,以穩定中心頻率,減少頻偏,增加系統的穩定性。
  12. The experiment results show that : the frequency stabilization of the optimized doppler modulator has already reached rms error about 1 %, which could meet the need of reference signal of the lock - in amplifier

    實驗結果表明,經過優化后的多普勒調制器的輸出調制信號頻率的相對標準誤差達到了1 %左右,能夠滿足鎖相放大器對輸入參考信號頻率穩定度的要求。
  13. The twelve kinds of modes and equivalent circuits of this inverter with high frequency link within one high frequency switching period are carefully analyzed ; by using the state - space averaging approach, the inverter ’ s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given ; the analyses of the system stabilization and the mathematic analyzes of the principle of high - frequency - link of this inverter have also be done. prototypes for 1kva 270v 10 % dc / 115v400hzac uni - polarity phase shifting controlled bi - directional voltage mode inverter with high frequency link is designed

    以全橋橋式拓撲為例,論述了雙向電壓源型高頻環節逆變器單極性移相控制的原理、逆變器在一個高頻開關周期內的十二個工作模式及其等效電路;採用狀態空間平均法建立了逆變器平均模型,獲得了這類逆變器的關鍵電路參數的設計準則和外特性曲線;分析了系統穩定性,並對逆變器高頻環節原理進行了數學分析。
  14. Again, influence of mechanical dither on gyro frequency stabilization is discussed for the first time. a frequency stabilization circuit is designed and the approach to improve the precision of frequency stabilization is put forward

    同時,首次分析了機械抖動對陀螺穩頻的影響,設計了小抖動穩頻電路,指出了提高穩頻精度的途徑。
  15. The algorithm of pressing field watermark puts the watermark signal on the pressing audio frequency directly, it can avoid of the complex process of coding and decoding of pressing algorithm, but its stabilization and haleness aren ’ t high, and the payload of embedded watermark is small

    通過vc語言編制的軟體實現了水印的嵌入與提取,並模擬了各種攻擊,實驗證明該方案在保證音頻質量的同時具有強的魯棒性,並能比較好地抗擊剪切等多種攻擊。
  16. In 3. 3 the theory of frequency stabilization was presented systematically in 3. 4 the pid technique in feed back loop is simply introduced experiment arrangement, and experiment results of less than 340khz frequency noise is presented in 3. 5

    3 . 3系統介紹邊帶穩頻的理論。 3 . 4圍繞pid技術介紹對反饋信號的處理。 3 . 5介紹了實驗裝置和實驗過程,得到了優於340khz的頻率穩定性。
  17. In order to improve the frequency stabilization of the doppler modulator, a series of affecting factors are considered in depth and optimized in the aspects of optics, mechanics and electronics

    摘要為了提高激光多普勒調制器調制頻率的穩定度,通過從光學、機械、電子學等方面的優化,對影響多普勒調制器的各種因素進行了深入的研究。
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