諧波分析 的英文怎麼說

中文拼音 [xiébōfēnxī]
諧波分析 英文
harmonic analysis
  • 諧 : 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...
  • 波 : 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 : 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
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  1. The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance

    本文用夏季（ 6 - 8月）中國東北地區91個測站44年氣溫資料，對該區夏季氣溫的氣候平均和異常場進行分析，採用諧波分析將異常變化的年代際、年際尺度分量分離，分別分析兩種尺度上氣溫異常的時空特徵，最後應用reof進行了氣溫異常的區劃，研究局域異常變化的年代際、年際分量的變化特徵。結果發現： 1 ）東北夏季有三個異常高溫高發區和三個異常低溫高發區。全區性異常高溫（低溫）階段出現在上世紀80年代后（ 70年代） 。
  2. Harmonics analysis and its treatment in xinhuo chemical plant

    星火化工廠諧波分析及其治理
  3. Method of power harmonics analysis based on single chip processor and fpga

    的電力系統諧波分析方法
  4. Application of wavelet transform in power system harmonic analysis

    小波變換在電網諧波分析中的應用
  5. Built - in harmonic analysis capability

    內置諧波分析能力
  6. Harmonic analysis of high frequency ac power distribution system in electric vehicle

    電動汽車高頻交流功率分佈系統的諧波分析
  7. Be familiar with hv, mv and lv power distribution systems and power factor correction study & harmonic analysis, ups and dc power systems, power fiscal metering, and all necessary calculations to one project including short circuit calculation and protective device coordination study, lightning protection calculation, generator power calculation etc

    熟悉項目中的高、中、低壓配電系統和功率因素補償研究及諧波分析， ups和直流電氣系統，功率計量，相關計算（包括短路計算和保護裝置協調分析，照明保護計算，發電機功率計算等） 。
  8. In addition, there are another functions, such as analyzing harmonics, to boost up the functionality of ttu because of the strong data processing ability of dsp

    此外，本文成功地利用dsp強大的數據處理能力將諧波分析引入ttu的設計中，增強了ttu的功能性。
  9. With the harmonic analysis method, we can find that the heat storage anomaly in the scs has about 0. 5, 1. 5, 2. 4, 4 and 6 years period oscillations besides annual change

    對此時間序列進行諧波分析可以看出，南海熱含量異常除了具有顯著的年變化周期外，還存在明顯的0 . 5 、 1 . 5 、 2 . 4 、 4年和6年的變化周期。
  10. 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。
  11. 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，本文在分析目前國內外各種諧波分析及測量方法利弊的基礎上，提出了利用復序列加窗插值分裂基快速傅立葉變換（ srfft ） 。該演算法能極大地提高fft計算的精度，從而滿足諧波測量中對諧波參數的精度要求。
  12. 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的諧波分析方法，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法、窗函數加權等影響諧波計算精度的因素，得到了對電壓質量監測儀的設計具有指導意義的結論。
  13. A virtual checkout instrument and harmonic analyzer instrument based on lab view is developed

    用labview編制了虛擬電流互感器校驗儀及諧波分析儀程序。
  14. 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諧波分析計算方法。
  15. 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

    本文對電力系統諧波的測量方法，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諧波分析儀用於快速波動諧波負荷的測量不滿足國標的要求，分析了諧波分析儀普遍採用的ft或fft演算法所產生的測量誤差，提出了一種不受非周期分量影響的全周波離散傅里葉演算法，模擬結果表明精度好。
  16. 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諧波干擾，導致測量系統中取樣信號也含有很大的諧波，為了消除諧波對測量結果的影響，論文深入研究了傅立葉變換諧波分析法的測量原理，分析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法。
  17. 3. with fourier decomposition, the main component of pulsating torque, torque ripple is studied. it can be determined that torque ripple is caused by harmonic order 6n under the usual common conditions

    3 、對造成轉矩脈動的主要成分轉矩紋波進行諧波分析，得出在一般假設情況下，無刷直流電動機系統的轉矩紋波由電磁轉矩的6n次諧波造成的結論。
  18. 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

    採用諧波分析、 reof 、 svd等方法分析了東北夏季降水異常的時空特徵，並按年代際、年際尺度分析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。
  19. 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法：諧波分析法，並採用諧波分析法在現場進行了測試，結果表明該方法在介損測試中具有較高的穩定性和準確性。
  20. 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

    使用諧波分析及奇異值分解（ svd ）方法分析比較了北太平洋、熱帶太平洋區域的海氣資料及海氣相互作用。
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