諧波校正 的英文怎麼說

中文拼音 [xiéjiàozhēng]
諧波校正 英文
harmonic correction
  • : 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...
  • : 校名詞1. (學校) school 2. (校官) field officer3. (姓氏) a surname
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • 校正 : check; correction; adjust; revise; proofread and correct; rectify; calibrate; make true; master c...
  1. The studying results show that the advanced spectral estimation is more predominant than dft algorithm and its corrected algorithms in the field of inter - harmonics measuring, especially for the inter - harmonics which is too close to harmonics. hence, it is effective and feasible to introduce the advanced spectral estimation into inter - harmonics measuring

    上述研究證明,在間檢測領域,特別是對離頻率較近的間檢測中,現代譜估計理論有著許多dft演算法及其演算法不可比擬的優勢,將其引入電力系統間檢測中是有效可行的。
  2. During the period of june 28 to july 1 in 2003, power quality testing and analysis on the power grid of middle - broad plant of chongqing steel group corporation was performed. from the testing report, it can been seen that the refine rolling mill system will inpour badly harmonic to the power grid, which will affect the normally function of power grid

    2003年6月28日到7月1日,我對重慶鋼鐵集團公司中板廠電力網電能質量進行了測試分析,從測試報告中可以看出該廠精軋機系統在有些工作情況下運行時會向電網注入較多的,影響電網的常運行。
  3. This thesis provides the circuit schematic of the unit for measuring harmonic energy and the flow chart for measuring harmonic active energy and harmonic reactive energy. this thesis discusses the error origin of the system for measuring harmonic energy based on wavelet packet transform, and set up the error model, and presents the

    探討了基於小包變換的電能計量系統的誤差來源,建立了系統的誤差模型,提出了電能計量系統的直流偏置、比差和角差的方法。
  4. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流模式控制的有源功率因數技術的基礎上,設計了一種控制電路基於數字信號處理器( dsp ) 、主電路採用boost變換器拓撲結構的全數字單相功率因數器,用數字電路代替傳統的模擬電路來實現對整個迴路的控制,最終使得器具有輸入功率因數接近於1 、低電流以及高轉換效率的特性。
  5. Concerning the problem of the frequency instability, slight but not negligible, in electric power system, this paper discusses the resultant error in measurement in detail and develops an error - correction interpolated algorithm in frequency domain. taking advantage of the high calculating speed of pc, the measurement error in frequency, amplitude, and phase are well eliminated

    本文針對電網頻率輕微但不可忽視的不穩定造成的測量誤差問題進行了詳細的討論,形成了一套在頻域實現誤差的方法?插值演算法,並利用pc機高速的數據處理能力軟體了各次的頻率、幅值及相位。
  6. The adaptive optical transducing principle on independent variables is presented in this paper, and a new adaptive optical current transducer ( aoct ) has been developed with the new independent variables introduced to oct, in which the precise power frequency current offered by a reference model of steady state is benchmark, and the measured harmonious and transient currents from optical transducer might be adjusted adaptively applying the adaptive arithmetic, so that both the steady state and transient precision of the aoct has been improved

    論文提出了獨立量自適應光學傳感原理,並應用這種原理的一種形式? ?光電獨立量自適應光學電流傳感原理,研製了一種新型的自適應光學電流互感器( adaptiveopticalcurrenttransducer ,簡稱aoct ) ,以穩態參考模型所提供的高精度基電流測量值為基準,應用自適應演算法對aoct中光學傳感頭輸出的穩態電流中的基和暫態電流測量值進行自適應,從而能夠綜合提高oct對電力系統穩態和暫態電流的測量精度。
  7. First, the damages of low power factor and the importance of pfc are presented. secondly, the main parts of the hardware are designed and selected

    首先簡單總結了污染對電網的危害,指出了功率因數的必要性,並且介紹了目前常用的功率因數控制方法。
  8. In the fifth chapter, the performance of transconductor - capacitor ( gm - c ) continuous time filter is discussed. due to process variation and parasitics, an automatic tuning is designed for center frequency and quality factor q. also, in this chapter, a two order bandpass filter with tunable is designed. the effects on filter ' s performance of the non - idealities of a cmos ota are studied and the computer simulations at the mos transistor level are carried out

    第五章討論了跨導電容連續時間濾器的性能特點,設計了一個中心頻率可調的二階帶通濾器,為了使濾器參數自動調整到設計標準值,從而保持其設計值的實現精度,論文給出了片內自(可調)環節。
  9. Also discussed the methods on how to realize the cwt both in time - domain and frequency - domain and how to design the gm - c bandpass filter used in realization of cwt. in order to optimize the performance of gm - c filter, linearization techniques are investigated and proposed. due to process variation and parasitics, an automatic tuning is designed for center frequency / 0 and quality factor q also, in this thesis, 16 - channel analogue cmos cwt circuit has been realized

    論文圍繞連續小變換的模擬電路實現這一熱點問題,討論了連續小變換的時域和頻域實現方法;具體分析了并行結構與串列結構的優缺點;研究了頻域法中的跨導-電容帶通濾器的設計;給出了改善跨導輸入級傳輸特性的線性程度並擴大線性范圍的具體方法;設計了片內自(可調)環節使濾器參數自動調整到設計標準值;最後給出了16通道濾器組實現小變換的方法。
  10. The experience results indicated the reliability of this kind of thermostatic control system. the analysis and compare about modern dielectric loss measuring methods are presented on chapter 3, and the zero - crossing testing phase discrimination method is adapted as the measuring method of this measuring system. furthermore, applied high frequency pulse technique, channel self - correction technique, anti - harmonic technique are used to increase accuracy and reliability of measurement

    本文對現代介質損耗測量技術進行了分析與比較,採用過零鑒相比較法作為介質損耗測量方法,並結合外施高頻脈沖技術、通道自技術、抗技術,設計了高精度介質損耗測量電路,有效提高了介質損耗測量的精度,減小了測量誤差。
  11. In order to solve this problem, the power factor correction ( pfc ) pre - regulators are applied to limit the input current harmonics of the switching power supplies

    為了限制污染,用電設備需加入功率因數( powerfactorcorrection , pfc )裝置。
  12. The current harmonics it produces deteriorate the quality of the power source, which eventually affect the other equipment. in order to solve this problem and meet the requirement for standards, such as iec 555 - 2, iec 1000 - 10 - 3 - 2, ieee 519, and iec 6100 - 3 - 2, a lot of power - factor - correction circuits, as the best way to improve power quality, have been developed

    所產生的污染了電源的質量,並最終干擾其它電氣設備的常工作,為了解決這一問題以滿足諸如iec555 - 2 、 iec1000 - 10 - 3 - 2 、 ieee519 、和iec6100 - 3 - 2等標準的要求,許多功率因數變換器作為解決這一問題的最佳方法被研製出來了。
  13. Therefore, the study on single - stage pfc and converter technique has important significance for restraining harmonic pollution, founding green power supplies and realizing miniaturization and lightweight of switching power supplies

    因而研究單級功率因數及變換技術對抑制污染,開創綠色電源,以及實現當今開關電源的小型輕量化具有重大意義。
  14. A sort of spic ? pfc ( power factor corrector ) circuit also gradually become a major concern for research along with the concern of power harmonics pollution

    智能功率集成電路中的功率電路也隨著人們對電源污染的關注而逐漸成為一個重要的研究對象。
  15. Secondly, this paper details the basic theory of fourier transform, and the problems which must be paid attention to in the practical application. the reasons of the error caused by the traditional electric signal detection methods based on the windowed dft are thoroughly analyzed. besides, many cosine windows are introduced

    其次對傅立葉變換的基本理論、基本形式以及實際應用中應注意的問題進行了詳細的闡述,對傳統的基於加窗dft的檢測方法的誤差原因及減少誤差的方法進行了分析,並介紹了各種不同的餘弦窗函數,進而簡要分析了幾種常見的頻譜方法。
  16. The initial solutions of two - dimensional harmonic waves are given by landau expansion and the mean - flow - distortion is calculated by the approximation equation. furthermore, we employ iteration method and “ predictor - corrector approach ” to solve the nonlinear equations in order to implement the marching procedure, and the result of nonlinear two - dimensional stability is obtained precisely. the effect of pressure gradient is also studied here

    文中所發展的數值方法,包括採用landau展開給出二維的初始解、模擬流場的均流變形以及採用迭代和預估方法實現非線性方程的求解和推進,得到了二維擾動的非平行非線性穩定性的精確結果。
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