諧波分析法 的英文怎麼說

中文拼音 [xiéfēn]
諧波分析法 英文
harmonic analysis method
  • : 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...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. Method of power harmonics analysis based on single chip processor and fpga

    的電力系統
  2. According to the analysis and compare of all the methods of harmonics analysis in the power system, this paper introduces an adaptive sampling harmonic analysis method adapted to realization of precise real time harmonic analysis

    為了更好的滿足實時性和精確性兩方面的要求,本文採用了一種自適應調整采樣率的諧波分析法
  3. The paper analyses the advantages and disadvantages of a large number of harmonic analysis methods and puts forward to a new algorithm in order to improve precision of fft, which is plural list and interpolating windowed split - radix fft ( srfft ). the simulating result shows that the algorithm can meet precision of harmonic parameters

    為了提高fft的精度,本文在目前國內外各種及測量方利弊的基礎上,提出了利用復序列加窗插值裂基快速傅立葉變換( srfft ) 。該演算能極大地提高fft計算的精度,從而滿足測量中對參數的精度要求。
  4. First, the harmonic analysis method based on fft is discussed, and some practical issues in the application of fft are investigated. the factors which affect the calculation precision of harmonics, such as sampling and weighting of window function, are analyzed, and then the instructive conclusions for designing voltage monitor are obtained

    首先闡述了基於fft的,對fft實際應用中的問題進行了研究,通過實際算例探討了采樣方、窗函數加權等影響計算精度的因素,得到了對電壓質量監測儀的設計具有指導意義的結論。
  5. On the above basis, a harmonic analyzer based on industry control microcomputer workstation is developed

    在此基礎上按照國標gb / t14549 - 93的標準提出一種以工業控制微機工作站為核心的計算方
  6. It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load. the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed. a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented, and the results of simulation show that it has higher accureacy

    本文對電力系統的測量方,數據處理及電力牽引負荷對電力系統的影響進行了研究,論述了目前國內外生產的儀用於快速負荷的測量不滿足國標的要求,儀普遍採用的ft或fft演算所產生的測量誤差,提出了一種不受非周期量影響的全周離散傅里葉演算,模擬結果表明精度好。
  7. Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique

    由於電網中存在大量的干擾,導致測量系統中取樣信號也含有很大的,為了消除對測量結果的影響,論文深入研究了傅立葉變換諧波分析法的測量原理,了測量中頻譜泄漏和柵欄效應形成的原因,提出了採用鎖相環倍頻技術實現信號的整周期同步采樣,消除頻譜泄漏和柵欄效應對測量結果的影響,並對鎖相環倍頻技術的理論進行了深入研究,給出鎖相環倍頻技術的實現方
  8. The temporal and spatial variations of summer precipitation anomaly in northeast china ( nespa ) are studied, and its relations with contemporary circulation anomalies over north pacific ( np ) and sst departure of pacific on the interdecadal and interannual scale are discussed by means of harmonic analysis, reof and svd

    採用、 reof 、 svd等方了東北夏季降水異常的時空特徵,並按年代際、年際尺度了它與同期北太平洋區域對應尺度環流、相關海表溫度異常的聯系。
  9. This text research the digitalization monitoring method for the medium loss of electric capacitive equipment : the harmony wave analytic approaches, and then adopt the method to test in scene. the result indicate that this method using in the medium loss testing have higher stability and accuracy

    本文研究了電容性設備絕緣介質損耗的數字化監測方諧波分析法,並採用諧波分析法在現場進行了測試,結果表明該方在介損測試中具有較高的穩定性和準確性。
  10. Diagnostic analysis and contrast are performed in air - sea data and their interaction between the north pacific and the tropical pacific by means of harmonic analysis and svd

    使用及奇異值解( svd )方比較了北太平洋、熱帶太平洋區域的海氣資料及海氣相互作用。
  11. According to the impact of higher voltage harmonic, an algorithm of harmonic analysis based on anti - alias fourier transform is discussed. compared with the traditional way, fft harmonic analysis, the algorithm increases the monitoring precision and the veracity

    針對系統電壓高次對監測結果的影響問題,提出了基於抗混疊傅立葉變換( faft )的諧波分析法,獲得有利於故障診斷的監測參數。
  12. Secondly, the dissertation presents more valid and practical project of harmonic analysis based on the several problems of different algorithms

    其次,針對諸種演算應用中存在的若干問題,提出了一種更有效實用的演算及其實施方案。
  13. So power systems harmonic analysis is a significant aspect of power systems research. power system harmonic analysis was realized usually with fast fourier transform ( fft ), but the method exits spectrum leakage, and can not analyse all harmonic parameters exactly, such as frequency, amplitude and phase, in particular has big phase error

    電力系統通常都是通過快速傅立葉變換( fft )實現的,但是這種方存在柵欄效應和頻譜泄漏,使計算出的參數即頻率、幅值和相位不準,尤其是相位誤差很大,無滿足準確的測量要求。
  14. Analysis of dielectric loss angle measurement by hanning windowing interpolation algorithm based on fft

    基於加漢寧窗插值的諧波分析法用於介損角測量的
  15. The simulation with simple harmonic analysis on the performance of a regenerator was carried out

    摘要採用諧波分析法,對回熱器進行了模擬。
  16. This article also study the principle with harmony wave analytic approaches monitoring the resistive weight of moa leak current and realize this requisition on hardwares circuit

    本文還研究了用諧波分析法監測moa泄漏電流阻性量的原理和實現這一方對硬體電路的要求。
  17. The error of distortion which harmonic distortion meter detects can be least controlled 1. the lowest frequency which harmonic distortion meter can detect is 0. 0001hz. but, generally, this kind of meter is so costly and difficult to operate that the major portion of the distortion meters applies the method of suppressed fundamental harmonic

    採用諧波分析法的失真度儀測得的失真度的最小誤差可控制在千之一以下,頻率最低可達到萬之一赫茲,但普遍存在儀器價格較貴,操作繁瑣的缺點,現在用的失真度測試儀大多是用基抑製
  18. As the development and application of microcomputer and single - chip microcomputer, the cost of harmonic distortion meter decreases rapidly

    隨著微型計算機和單片機的發展與應用,大大降低了採用諧波分析法的失真度儀的成本。
  19. Through running insulation on - line monitoring system, the two ways presented in paper, signal denoising algorithm based on wavelet transform as well as harmonic analysis based on anti - alias fourier transform, are proved to be effective

    通過實際掛網運行,本文提出的兩種方:基於小變換的除噪濾演算及基於抗混疊傅立葉變換( faft )的諧波分析法是有效的,提高了在線監測裝置的精度。
  20. In this thesis, the major contributions of the author ’ s research work are as follows : at first, the classification of helicopter tail rotor noise sources and the existent method of helicopter noise research is introduced briefly

    本文採用諧波分析法對直升機前飛狀態下的尾槳噪聲進行了理論研究。主要工作包括:本文首先簡要介紹了直升機噪聲的類以及國內外直升機噪聲研究方的現狀,總結了前人的研究成果。
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