high-frequency approximation 中文意思是什麼
high-frequency approximation
解釋
高頻近似- high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
- frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
- approximation : n. 1. 接近;近似。2. 【數學】近似值。3. 概算,略計。
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It is shown that the excessive local oscillator drive deteriorates the conversion gain of the mixer at high frequencies, a trend not shown in the low frequency approximation
我們征明了在高頻下,過大的本振將使得混頻器的轉換增益減小。這一趨勢無法由低頻近似模型給出。 -
Through two - fluid and two - time - scale approximation, the dominating equations, which show the non - linear coupling between high frequency modulational field and the density disturbance of electrons and ions, are obtained
這組方程描述了高頻調制場和電子、離子密度低頻擾動之間的非線性耦合。 -
Based on the fourier series digital approximation method, the optimal design of flat - top and high isolation pass band frequency response interleaver has been studied. at last a solution of high isolation ( > 45db )
用傅立葉級數展開數值逼近的方法進行了高隔離度平頂通帶頻響全光纖奇偶交錯濾波器的優化設計,提出了隔離度大於45db通帶平坦濾波器的製作方案。
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