根號里的數 的英文怎麼說
中文拼音 [gēnháolǐdeshǔ]
根號里的數
英文
radicand- 根 : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 里 : 里Ⅰ名詞1 (襯料; 紡織品的反面) lining; liner; inside 2 (里邊; 里邊的) inner 3 (街坊) neighbo...
- 的 : 4次方是 The fourth power of 2 is direction
- 數 : 數副詞(屢次) frequently; repeatedly
- 根號 : [數學] radical sign; sign of evolution; radical
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According to the theory of digital signal processing, discrete fourier transform has selectivity to frequency just as spectrum analyzer
根據數字信號處理理論,離散傅里葉變換( dft )演算法對頻率具有選擇性,有相當于頻譜儀的功能。Numbers in brackets are standard marginal notations for all translations and editions, based by convention on the edition of plato ' s works edited by stephanus and published in 1578
括號里的數字是為所有翻譯和編輯而定的標準邊碼,此法根據1578年由斯特方所編定的柏拉圖著作希臘文版本。It involves not only the detection of signal frequency, signal phase and power factor but also calculation and control of phase. the method of calculating phase is based on fast fourier transform algorithm ( fft ). it is used to calculate signal frequency, signal phase, power factor and the phase on / off time according to sampling instantaneous value of voltage and current
本文主要提出了採用信號處理技術(快速傅里葉變換fft ) ,根據電壓、電流采樣的瞬時值,計算信號頻率、信號相位、功率因數、分合閘相角的選相控制方法,並介紹了最終控制分合閘的原理與實現方法
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