The algorithm is verified by experiments and the modulator can produce digital modulation signals with good EVM(Error Vector Magnitude) and spectrum mask.
通过验证，所产生的调制信号具有良好的误差向量幅度（EVM）和频谱特征。
The modulation effect of the bias of rate biased ring laser gyro is analysed. The error which is induced by the bias of rate biased ring laser gyro is analysed through digital simulation.
分析了速率偏频激光陀螺的偏频转台对陀螺漂移的调制效应，通过数字仿真定量分析了速率偏频激光陀螺漂移引起的导航参数误差。
For the modulation part of the design, traditional DDS technology is improved to implement CPFSK modulation. As a result, the performance of spur and error of digital part are optimized.
调制部分实现CPFSK调制，对传统的DDS技术进行改进，使其数字部分的杂散性能改善且具有较低的相位连续误差。
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