諧波頻率特性 的英文怎麼說

中文拼音 [xiébīnxìng]
諧波頻率特性 英文
harmonic frequency characteristic
  • : 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...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 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形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 頻率 : frequency; rate
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次,針對acem系統有的「電源,深入分析了濾器方案,得到了一種適用於acem系統抑制的串聯混合型有源電力濾器優化拓撲結構,並採用了pwm調制技術、中注入變壓器和磁勢補償原理有效地解決了串聯apf中低補償信號傳輸的難題。
  2. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  3. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功單向流動角度出發,提出了一種lcc振型恆移相單相高鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾、低逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻負載或阻感負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關,而低逆變器的各個開關均實現零電壓條件下的開通與關斷。
  4. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變輥道電機的設計進行了系統研究。首先對變器和變輥道電機的運行進行詳細分析,變器輸出的電壓大,沖擊大,電壓上升高達6600v / s ,是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行很低,額定在8 - 20hz ;調速范圍寬,最低運行低到0 . 5hz ,起動次數相當繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。
  5. By making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution 、 high frequency accuracy 、 very fast frequency hoping with it, the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step. while the electronically tuned filter abates the image interference and notably improves the selectivity. the theorem of frequency synthesizer and center - frequency - fixed filter is simply but adequately introduced first in this paper

    課題中所採用的pll或dds pll鎖相合成方法充分發揮鎖相環良好的窄帶跟蹤濾,並結合dds的高解析度、高精確度和高速捷變等優點,分別實現了系統所要求的高質量寬帶本振源和小步長捷變;採用電調技術,則大大改善了接收機的選擇和抗干擾能力。
  6. Abstract : it provides a kind of new nonlinear integrator and its mathematical model. its frequency responses is disscussed by the harmonics linearization method. its phase lag is found to be only 27. 6, all high order harmonics are very small, and it is very resistant to disturbances. by using it, an two - objective optimum control system is designed. it has very good control performances and will have good prospects in application

    文摘:提出一種新型的非線積分器,給出它的數學模型,並用化原理討論它的,其幅起積分作用,而相位滯后僅27 . 6 ,高次分量小,抗干擾能力強.應用這種積分器設計了一個雙目標優化的二次優化系統.模擬結果表明,系統的控制能好,具有廣泛的應用前景
  7. The analysis results show that : the frequency characteristic curve assumes the downtrend, so the electrical energy measurement of the induction meter will produce biggish error when the content of the harmonic is big, no matter taking the whole energy as measurement standard or basic wave energy

    研究分析結果表明:感應式電能表的誤差曲線呈迅速下降趨勢,因此在電能計量中,不管是以全能量為計量標準還是以基能量為計量標準,當含量較大時對感應式電能表的電能計量將會產生較大的影響。
  8. Compared with the induction meter, the electronic meter ' s measurement error is affected diminutively by the change of the frequency, that is to say, the electronic meter has a wide frequency respond characteristic and its error - frequency characteristic curve is flat. therefore, taking the whole energy as measurement standard, the measurement error of electronic meter is less than that of induction meter very much ; while the measurement error of electronic meter is bigger than that of induction meter when taking the basic energy as measurement standard

    和感應式電能表相比,電子式電能表的計量誤差受變化影響較小,具有較寬的響應,誤差曲線較為平坦,因此,在存在下以全能量為計量標準時,電子式電能表的計量誤差遠遠小於感應式電能表的電能計量誤差,而以基能量為計量標準時,電子式電能表的計量誤差比感應式電能表的計量誤差大。
  9. 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、主要點、發展概況、主要能指標和技術點,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,同時對線區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、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參數。
  10. Based on the results of the theory analysis and computer simulation of suspended stripline low pass filter, band pass filter, the transition from waveguide to finline and the transition from waveguide to suspended stripline, the structure design and manufacture were made. the measured results match the requirement. different from the traditional mixers used in the domestic communications satellites, the sub - harmonic balance mixer type was used in the ka - band mixer design

    在ka段混器的研究過程中,通過對衛星和飛船所用到的混器進行研究,在對ka段的傳統射前端電路的分析基礎上,提出改變以往星上傳統的基方案,採取了次方案,降低了本振,簡化了本振鏈路,使噪聲、可靠獲得改善。
  11. In this dissertation, researching from the basic concept of large signal network analysis, we discuss the measurement theory and technology of rf network nonlinearity and the characterization technology of intermodulation distortion in detail, and analyse some nonlinear characteristic excited with a one tone or multi - tone, such as am - am, harmonic distortion, intermodulation distortion, adjacent channel power ratio and how to qualitatively analyse nonlinearity of rf network to make the measurement and calibration

    本課題從大信號網路分析的基本概念出發,詳細討論了射網路非線的測量理論和技術以及互調失真表徵技術,分析了在單音和多音信號激勵下的一些非線,如am - am , am - pm ,失真,互調失真( imd )和臨近通道功比( acpr )等,以及根據包絡域方法定地分析射網路的非線,以此來進行射網路的非線測量和校準。
  12. According to the mechanism characteristics of the ac motor, with zero - voltage switching technology, the pdm converter mathematical models both the pwm and rectangular wave control mode are given in this paper. and the voltage and current harmonic analysis and the simulation waveforms of the output voltage, current and power are also described respectively

    根據交流電機在恆轉矩區和恆功區的,結合零電壓開關技術,分別給出相應的脈寬調制控制( pwm )方式和方控制方式下的高交流脈沖密度調制變器的數學模型,電壓和電流的分析以及輸出電壓、電流和功的模擬形。
  13. 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

    首先對石英晶體振器的進行分析,然後通過求解描述固體中彈的christoffel方程,得到其在切角3 = 0 , 1 = 356處也即at切石英晶體振器的溫度曲線,這是本文進行溫度補償的理論依據。
  14. Temperature effect on a rectangular resonant cavity is studied, and temperature characters of bi - metals are discussed

    摘要本文討論了溫度對矩形振腔的影響,以及熱雙金屬材料的
  15. Fourier transform method use high order frequency to analyse and imitate nonlinear and non - stationary data. emd method based on local characteristic time scale of the data is more fit to analyse nonlinear and non - stationary data than fourier transform method

    Emd基於信號的局部時間徵尺度分析原信號,克服了傅里葉變換用高次分量擬合非線、非平穩信號的缺點。
  16. To achieve the mitigation of multiple harmonics with a single lc series branch, a novel auto - tuning filter based on the nonlinear frequency characteristic of inductance of an active reactor is presented, where the active reactor consists of a pair of coupled windings and a generator of harmonic magnetic flux compensation current

    摘要提出了一種基於有源電抗器的新型自動調器,利用電感的非線,實現了單條lc串聯支路抑制多次的目標。
  17. Lacking of space locality in time domain, fourier analysis can only make certain of the integral singularity of a function or signal. as a result, it is difficult to detect the spatial position and distribution of broken signal by fourier analysis. wavelet analysis has the characteristic of spatial locality, and its wideness in both windows of the time and the frequency can be adjusted, so it can analyze the details of a signal

    經典的fourier變換把信號按三角正、餘弦基展開,將任意函數表示為具有不同函數的線迭加,能較好地刻劃信號的,但它在時空域上無任何分辨,不能作局部分析,這在理論和應用上都帶來了許多不便。
  18. Abstract : since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    文摘:提出壓電振濾器不能很好地濾除高的問題,結合一個具體例子理論推導了壓電振濾器存在許多干擾,從而不能有效濾除一些的干擾信號.為了解決這個問題,提出一種改進型的靜電激勵振濾器.為了說明其可行,具體分析了改進型雙端固支微梁靜電激勵振濾器,理論推導證實基於雙端固支微梁的各階振型正交的原理,通過適當調整激振電容的間距,雙端固支微梁的高階振動模態受到很好的抑制,因此這種振濾器可以有效阻止濾器中心的高的通過
  19. Since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    提出壓電振濾器不能很好地濾除高的問題,結合一個具體例子理論推導了壓電振濾器存在許多干擾,從而不能有效濾除一些的干擾信號.為了解決這個問題,提出一種改進型的靜電激勵振濾器.為了說明其可行,具體分析了改進型雙端固支微梁靜電激勵振濾器,理論推導證實基於雙端固支微梁的各階振型正交的原理,通過適當調整激振電容的間距,雙端固支微梁的高階振動模態受到很好的抑制,因此這種振濾器可以有效阻止濾器中心的高的通過
  20. Presents the simple but highly reliable on - line detection of ultrasonic transducer clamping capacitance based on the impedance circuit model constructed through the impedance characteristics of the ultrasonic transducer under triple harmonics, and concludes from experimental results that this method can be used to effectively detect the variation of clamping capacitance while the transducer is operating, and the matching inductance can be dynamically regulated according to the results of detection, and dynamic matching can therefore be achieved in the real sense at the end of the transducer to improve the overall performance of the whole system

    為了解決大功超聲應用的換能器電端匹配問題,分析了超聲換能器在三次下的阻抗,給出了超聲換能器三次下的阻抗電路模型.並根據阻抗電路模型建立了對超聲換能器的夾持電容實現在線檢測簡單、可靠高的方法,實驗證明該方法有效的.該方法可以在換能器工作過程中隨時檢測夾持電容的變化,根據檢測結果對匹配電感進行動態調整,實現真正意義上的換能器電端的動態匹配,從而大大改善匹配質量,提高系統的工作
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