The parameter estimation of sine-wave flooded in strong noise background is an important and practical technique, and it is the base theory of spectrum analysis estimation.
估计淹没在噪声中的正弦波参量是具有实际应用价值和普遍意义的技术之一，也是测试所有谱估计性能的基础。
Finally, the performance of system is analyzed depends on the parameter. Generating sine wave of fixed phase difference is realized on hardware Platform, which confirms the correctness of design.
最后根据系统各个参数对其性能进行分析，在硬件平台上实现了固定相位差的相参正弦信号的产生，验证了设计的正确性。
The uncertainty of evaluation results of delay between channels of linear measurement system by using the least mean square four-parameter sine-wave curve-fit method is described.
介绍了用正弦波拟合法评价测量系统通道间延迟时间差不确定度的分析和评定过程。
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