The Digital Phase Lock Loop(DPLL)is the core of the coherent demodulation.
数字锁相环路（DPLL）是数字相干解调技术的核心。
Realize digital orthogonal demodulation; the method and results of amplitude consistence and phase orthogonality of the I, Q signal have been given;
给出数字正交解调后输出I、Q两路信号的幅度一致性误差和相位正交性误差的测试方法和测试结果；
The property of digital filters for spatial phase detection significantly influences the accuracy and the speed of phase demodulation.
在空间载波条纹位相检测中，滤波函数的选择对解调相位的精度和速度起着决定性的作用。
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