諧振測量 的英文怎麼說

中文拼音 [xiézhènliáng]
諧振測量 英文
resonance measurement
  • : 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
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本源成本高,技術難度大,採用分波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本頻率即可實現混頻。
  2. The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space

    環形激光陀螺儀( ringlasergyro ,簡稱rlg )是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器,它利用環形腔內順、逆運行的兩束光的頻率差來載體對于慣性空間的轉速和方位。
  3. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此,對該站進行了串聯分析和並聯分析,並結合試數據和有關變電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次波電流含偏高,引起湯7c放電pt爆炸也是因為7次和9次波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因,提出了相應的波治理措施,包括針對湯6c電容器5次波電流含偏高的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容併入湯6c電容器(湯sc其餘部分停運)以增加湯6c波承受能力的措施;針對# 2變低壓側7次和9次波電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  4. The accuracy of the mfc was 3. 8 % fs, and the rotor flow meter ' s was 2 % fs. 2. the measurement of pressure was carried out by using semiconductor silicon piezometer

    ( 2 )壓強的採用半導體硅壓阻式壓強傳感器,通過mpt進氣管路的靜壓,結合理論分析計算得到mpt腔的總壓。
  5. Any subtle change of capacitance can be measured through the method of modulation on high - frequency harmonic oscillation return circuit

    電容的微小變化可通過對高頻迴路調制的方法進行
  6. The major researches in this thesis include : applying the digital signal processing technology and theory of signal detection & estimation to estimate carrier frequency of the sensing signal that reflects the measurand ; implementing the algorithm in labview, a virtual instrument development platform

    本文的主要研究內容是:運用數字信號處理技術和信號檢、估計的基本原理從無源、無線saw器型傳感器的傳感輸出信號中提取出反映被的信號主頻,並在虛擬儀器軟體開發平臺labview上實現了演算法。
  7. 4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs

    ( 4 )對推力系統進行了標定並實現了計算機採集,推力系統最大相對誤差為2 fs ;溫度目前還只限於對mpt腔壁溫的,使用e型鎳鉻?康銅熱電偶即可較容易實現,其精度為5 fs ;真空採用zdf - 5427m微機型復合真空計,其由熱偶計和熱陰極電離計復合而成,該真空計控制精度為3 fs 。
  8. The spectrum analysis showed that only the balance signals require processing by digital filter, and only inherent frequency components of balance, bracket and model system of the balance signals will require filtering, but the resonance components of test force oscillatory are. saved as more as possible

    數據的頻譜分析結果表明只須對天平信號做數字濾波處理;濾波原則是僅需濾掉天平、支架、模型系統的固有動頻率分,同時盡可能多地保留實驗強迫動的各階信號。
  9. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化電導近似公式.設計了c和x波段波導曲面縱向縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合
  10. Measurement of quartz crystal unit parameters - part 6 : measurement of drive level dependence

    用型網路的零相位技術石英器參數.第6部分:驅動級
  11. But, the measured - data is a very great quantity and every data contain all data of 1 - 25 harmonic, measured time can have hours to days. the count by hand is very heavy and over - elaborate, sometimes the statistics results is error. it won " t reach the analysis purpose and don " t obtain the curve of harmonic oscillation characteristic in a row frequency range

    可是,試數據經常是大的,每一組數據又包含從基波到25次波的所有數據,試時間可能是幾個小時,有的甚至是幾天時間,這樣的工作由人工完成是非常繁重的,又是非常繁瑣的,有時還統計不出正確的數值,起不到應有的試分析目的,更無法獲得連續頻域內的特性曲線。
  12. 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,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、並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔子電動力學等方面起到重要的作用。
  13. Research on the dissipation factor measurement technique for the variable frequency test

    變頻試驗電壓下介質損耗技術研究
  14. The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail ; 3. to verify the exactness of fem and learn the principle of vibration of dredge pump further, the orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show : the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition

    模態分析確定了泥泵的動特性(固有頻率和型) ;響應分析確定了泥泵轉子軸在偏心力的作用下軸截面處的最大響應位移;研究了轉子軸的質心位置、軸承剛度和質偏心矩對轉子軸動特性的影響; 3 、採用軸心軌跡法,實船了泥泵軸工作時動響應值。
  15. The optical feedback self - mixing model is studied when the external cavity of a semiconductor laser suffers a harmonic vibration

    摘要在外腔簡動條件下,研究半導體激光器的光反饋自混合干涉系統模型中的參數。
  16. For the former has inductance winding and ferromagnetic material, its measurement range is restricted by saturation, so it has a narrower range of frequency. being an inductance, it has the possibility of resonance

    由於電磁式電壓互感器帶有電感線圈和磁性材料,范圍受鐵心磁飽和的限制,傳輸頻帶不夠寬;作為感性元件,存在鐵磁的可能,可靠性差。
  17. In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal

    在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。
  18. In this dissertation, different theories of measurement are discussed. through the comparison, we use traveling - wave method to measure dispersion and nonresonant perturbation method to measure interaction impedance

    通過分析、比較不同的方法,本文最後採用行波法色散,非微擾法耦合阻抗。
  19. Chapter two introduces the theory of optical cavity decay time method

    第二章介紹了時間衰減法無源腔總損耗的原理。
  20. 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

    該系統能產生頻率范圍達100khz 150mhz ,功率范圍為? 40dbm + 18dbm的掃頻信號,並能對晶的增益和相位差進行,其結果按照iec - 444晶標準進行實時處理和計算,從而得到晶的串聯頻率、並聯頻率、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。
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