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。 the quadrature (of the circle) 圓積法[作與圓等積的正方形]。 phase quadrature 【物理學】轉象相差,九十度相位差。
Based on the components of analogue receivers , all kinds of influences on the signal from all kinds of components are given , then the influences on the result of pulse compression from the quadrature demodulators is focused on 接著分析各個模擬接收機組件對回波信號產生的各種幅相誤差,這些誤差會對信號頻譜和脈壓結果產生影響,并重點分析正交解調幅相誤差對它們的影響。