quadrature spectrum 中文意思是什麼
quadrature spectrum
解釋
正交譜- quadrature : n. 1. 【數學】求積分，求面積。2. 【天文學】矩；（月的）上[下]弦；方照。3. 【物理學】正交；轉象差；九十度相位差。
- spectrum : n. （pl. -tra ）1. 【物理學】譜，光譜；波譜；能譜，質譜。2. 【無線電】射頻頻譜；無線電（信號）頻譜。3. 【心理學】（眼睛的）余像；殘像。4. 〈轉義〉范圍，幅度；（連續的）系列。
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First of all, the mathematical development and extensive computer simulation are used to analyze the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation
首先對回波正交雙通道幅相不平衡對氣象回波譜估計的影響進行了詳細的理論推導和計算機模擬。 -
This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver, especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system, the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation, ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system
本論文研究的是採用數字中頻接收技術的脈沖多普勒氣象雷達信號處理系統，重點研究了中頻采樣及數字解調技術在脈沖多普勒氣象雷達信號處理系統中的應用、正交雙通道幅相不平衡對氣象回波譜估計的影響、地雜波濾波演算法，以及脈沖多普勒氣象雷達信號處理系統的具體工程實現。 -
Finally, we use resonance fluorescence theory to study the quadrature squeezing spectra in the resonance fluorescence of a v - type three - level atom driven by a coherent field and coupled to a single - mode cavity. the influence on the squeezing spectrum caused by cavity - induced quantum interference is discussed
本文還應用共振熒光理論，研究了一個置於腔中的v型三能級原子的共振熒光的壓縮譜，探討了腔誘導量子干涉對原子共振熒光相振幅的壓縮譜的影響。
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