The statistical capability of estimate of sinusoidal parameter in complex noise is researched in detail and the corresponding CRLB is given.
详细研究了复噪声中正弦参数估计的统计性能，给出了模型中各参数估计的克拉美罗限；
This filter can effectively restrain background noise and acquire clear speech signal when applied in speech signal pick-up from the background with complex noise.
将此滤波器应用于复杂噪音背景的话音信号提取，能很好地抑制背景噪声，从而获得清晰的话音信号。
This paper analyses channel properties of low-voltage power line channels. Aiming at the slow-variant and complex noise of channel, an estimation algorithm is put forward.
分析了低压电力线信道特性，针对信道慢时变特性及噪声复杂的特点，提出一种适用于低压电力线通信信道的直接决策估计算法。
As radar reconnaissance environment is very complex, noise interfering pulse and pulse missing process are introduced.
考虑到雷达侦察信号环境的复杂性，引入了噪声干扰脉冲和脉冲丢失处理。
As radar reconnaissance environment is very complex, noise interfering pulse and pulse missing process are introduced.
考虑到雷达侦察信号环境的复杂性，引入了噪声干扰脉冲和脉冲丢失处理。
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