頻率補償器 的英文怎麼說

中文拼音 [bīncháng]
頻率補償器 英文
frequency compensator
  • : 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 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
  • : 動詞1. (歸還; 抵補) repay; compensate for 2. (滿足) meet; fulfil
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 頻率 : frequency; rate
  • 補償 : compensate; make up; make up for; make it up to sb. ; make sth. good; compensation; offset
  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系統特有的「電源諧波」特性,深入分析了濾波方案,得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波優化拓撲結構,並採用了pwm調制技術、中注入變壓和磁勢原理有效地解決了串聯apf中低諧波功信號傳輸的難題。
  2. This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to

    本文共分為五章:第一章緒論中,介紹了常見的位移傳感,指出了霍爾傳感的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、特性以及這些參數常用的方法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。
  3. A new bit rate control strategy with both global pre - allocation and local segmentation ( glas ) for low bit rate application is proposed. first, it allots bit date to every frame in advance according to possessive rate of buffer, and then distribute different quantization parameters according conctete detail. by means of this method, buffer is controlled more particularly. and the quality of decoded image is improved, the traditional video image coding method, that is to say, the intraframe coding based on dct and the interframe prediction coding based on motion compensation, is not suitable for low bit rate compression and aside from this, the encoder is too complicated

    它首先在總體上根據緩存的佔有給每幀預分配比特數,然後再根據具體細節給予不同的量化參數。使緩存得到了更細致的控制,解碼圖像的質量有所改善。針對傳統的視圖像編碼方法,即幀內基於dct的編碼加幀間基於運動的預測編碼存在不適于低比特壓縮,編碼復雜等不足,討論了基於3 - ddct的xyz視圖像壓縮編碼方法,提出了3 - ddct系數的三維「 z 」形掃描方案,大大提高了編碼效
  4. By regulating the compensation current injecting into the compensation winding of the reactor, the reactor inductance at different harmonic frequencies can be independently and continuously adjusted

    有源電抗由一對耦合繞組和一個電流發生組成,通過控制有源電抗繞組中的諧波磁通電流,可以獨立且連續地調節電抗在不同諧波下的電感量。
  5. The predistortion, which aims at compensating for the nonlinear distortion caused by the power amplifier, has a good performance in eliminating the nonlinear distortion of am / am & am / pm, improving the aci and spectrum efficiency

    預失真技術是針對射放大非線性而提出的一種技術,可以有效消除由非線性造成的傳輸信號的幅度和相位失真,降低信號鄰道干擾( aci ) ,提高譜利用效
  6. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質量調節來講, pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的效果,本文選擇無差拍電壓空間矢量控制為系統控制策略,這種控制方法具有采樣低,開關與采樣的差距小,能有機地產主零矢量、跟蹤精確以及無抖振等優點,動態響應快。
  7. The electric power harmonic comprehensive control system with low cast and high security is applied in this article. it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage. it can realize stepless modulation with imaginary power, mightiness compensation of harmonic and negative electricity, and circuitry consumption debasing are achieved

    提出採用有源與無源相結合的電力諧波綜合治理技術及裝置,無源部分採用無涌流和過電壓的晶閘管控制電容技術實現,有源部分採用高pwm控制技術實現,成本低、可靠性高、可實現無功功的無級調節、強力諧波電流和負序電流,降低線路損耗。
  8. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大。在設計輸入級時,為了使輸入共模電壓范圍達到軌至軌,不是採用傳統的差動輸入結構,而是採用了nmos管和pmos管並聯的互差動輸入對結構,並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中,電流鏡負載並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時,為了提高效,採用了推挽共源級放大作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計,採用了帶電流鏡負載的差分放大設計了一個基準電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒技術對運放進行
  9. The active power filter can compensate the harmonic of variety in magnitude and frequency. so we adopt active power filter to restrain harmonic of electric arc furnace, and a new method of detection adaptive electric arc furnace is presented, the result of simulation indicate that the method is proper

    而有源濾波能對大小和都變化的諧波進行實時,所以本文研究了將有源濾波用於電弧爐系統諧波抑制的方法,並提山了一種針對電弧爐系統的諧波檢測方法。
  10. 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切石英晶體諧振溫度特性曲線,這是本文進行溫度的理論依據。
  11. The shunt active power filter which uses the i p ? iqmethod and the hysteresis - based current control strategy has been simulated, and analyze the inductor and the cut - off frequency which affect the performance of shunt active power filters

    Iq諧波電流檢測和電流滯環跟蹤控制技術的並聯型有源電力濾波進行了模擬研究,重點分析了影響有源電力濾波效果的濾波電感和采樣電路截止
  12. Analysis the sound quality effect by the frequency response of speakers. and put forward compensate the frequency response of speakers using equalizer. compressor, expander, limiter and noise gate are important for the audio system, this paper also introduce them, and describe how to use them

    然後簡單介紹了音系統和組成,敘述了揚聲響應特性及其對音質的影響,提出使用均衡揚聲響特性的方法;動態范圍壓縮、擴展、限制在音系統中也起著重要的作用,本文也對其做出了介紹,並闡述了它們的用途和使用方法。
  13. Battery is the only power source for portable equipment. in order to prolong the service time of these battery - operated equipments, ultra - low - power consumption is demanded. the main method that decreases the power losses is to higher the conversion efficiency and to lower the operating voltage

    開關變換內包含了帶隙參考電壓源、誤差放大電路、三角波產生電路、 pwm比較以及數字邏輯控制電路,此晶元採用聯華電子公司0 . 6微米cmos工藝。
  14. ( 2 ) based on the mode of ultrasonic echo, this paper designs a frequency - dependent compensation filter to compensate the absorbed attenuation when the ultrasound transmits in a tissue

    ( 2 )在建立超聲回波信號的數學模型的基礎上,設計了濾波
  15. The programable unit of inspac is used first to work out the frequency compensating circuit adapted itself, the frequency band is extended. the application range of the manual sensor is extended

    首次使用isppac可編程件製作自適應電路,展寬了帶,拓寬了手持式傳感的應用范圍。
  16. The combined motor vibration sensor which is held manually with double charge amplifier placed inside and with frequency compensating circuit is designed based on the existed press - electricity accelerator of vibration and the measuring vibration system of charge amplifier in the paper

    本文在現有振動壓電式加速度計、電荷放大測振系統的基礎上,設計了手持式內置微型雙電荷放大電路的一體化發動機振動傳感
  17. Using fourier transformation computational method, the fir filter was designed. the acceleration signal dynamic error was revised through the fft 、 ifft and frequency correction in the operating frequency scope. the signal processing had been realized on dsp, and the signal data was really recorded

    應用傅里葉變換的計算方法,並且完成了fir濾波的設計,通過傅里葉正反變換和實現工作范圍內加速度信號動態誤差修正,在dsp上實現了信號處理,真實地記錄了信號數據。
  18. A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong

    提出了一種零壓啟動的他激轉自激方法;通過採用鎖相環技術實現了逆變工作的自動跟蹤和容性逆變角度的恆值控制;設計了適用於並聯諧振型逆變的igbt驅動與保護電路,解決了驅動信號的時間以及重疊角的可調問題;提出了一種新穎、實用的逆變過壓保護方法,有效地解決了並聯型諧振逆變過壓保護這一難題。
  19. With the quick development of electronic technology, high - stability crystal oscillator is being used more and more widely. especially, temperature - compensated crystal oscillator ( tcxo ) is commonly used in electronic equipments such as communication, navigation, radar, measure instruments etc.

    隨著電子技術的飛速發展,高度穩定的晶體振蕩得到了廣泛的應用,特別是溫度晶體振蕩( tcxo )更是廣泛應用於通信、導航、雷達、測量儀表等電子設備中。
  20. Harmonic tackling of low voltage grid and rational selection of reactive compensation equipment

    低壓變的諧波治理和無功功
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