波形校正因數 的英文怎麼說

中文拼音 [xíngjiàozhēngyīnshǔ]
波形校正因數 英文
shape correction factor
  • : 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
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 數副詞(屢次) frequently; repeatedly
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  • 校正 : check; correction; adjust; revise; proofread and correct; rectify; calibrate; make true; master c...
  1. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修補spwm弦表值的方法,用以改善電壓型全橋逆變主電路上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓畸變;逆變系統採用帶前饋的變比例變積分系的模糊控制器,提高了系統的動態響應指標;系統設計了完善的保護措施,並具有市電電網的故障診斷功能。
  2. The requirements are the following : ( 1 ) input voltage : 220 vac ; ( 2 ) output voltage : 48 vdc ; ( 3 ) output current : 20 adc ; ( 4 ) switching frequency : 80khz ; ( 5 ) operated frequency of apfc : 100khz the simulated software pspice 7. 1 realizes simulation research of the main circuit, and the simulated result of key waveforms in the main circuit is introduced

    設計指標為:輸入電壓為交流220v ,頻率為50hz ,輸出電壓和電流為48v , 20a ,功率電路的工作頻率為100khz ,直流變換器電路的工作頻率為80khz 。利用模擬軟體pspice7 . 1對主電路進行了模擬研究,並介紹了主電路的幾個關鍵的模擬結果。
  3. 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的諧檢測方法的誤差原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,進而簡要分析了幾種常見的頻譜方法。
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