... Quadrature Amplitude Modulation 正交振幅调制，正交调幅 quadrature detector 正交检波器 quadrature modulation 正交灯 ...
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... quadrature component 正交分量，横轴分量，电抗分量 quadrature detector 积分检波器 quadrature exciting watts 正交励磁伏安，激磁乏(变压器的) ...
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coherent quadrature detector 正交相干检波
quadrature phase detector 正交相位检测器
quadrature-grid FM detector 正交栅鉴频器
The coherent quadrature detector is one of the key technologies for providing high quality quadrature signal for digital signal processing in radar, sonar, communication and other systems.
正交相干检波是雷达、声纳和通信等系统中为数字信号处理提供高质量的正交信号的关键技术之一。
When it is realized by using the analog devices, the conventional quadrature coherent detector may result in the large image frequency errors.
传统的正交相干检波器由模拟器件构成，存在较大的镜频误差。
The principles of realizing quadrature coherent detector by direct sampling of bandlimited signal are discussed in this paper. They have great practical value in engineering.
本文讨论了用直接对带限中频信号进行采样的方法来实现正交相干检波的基本原理，它们在工程实际中有很大的实用价值。
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