该方法还具有幅度检测门限值低的特点，可对幅度为10 - 3级以下的信号进行检测。
This method also has characteristic of low amplitude detection threshold, it can detect weak signals with amplitude value smaller than 10-3 level.
信号检测的最佳门限选择；
混合噪声中信号的检测比高斯噪声中信号的检测复杂，可能为多门限判决。
Detection of signals in hybrid noise environment is more complicated than that in Gaussian noise only. It involves multi-threshold judgement.
将小波理论应用到重频分选中，提出了一种新的检测门限，适用于脉冲列分布不均匀的信号环境。
A new algorithm for selecting detecting threshold based on the wavelet theory is presented to the environment when pulse sequences distribute unevenly in the whole sampling time.
右声道水印信号为幅度限制在可听门限的白噪声，用来控制检测门限。
Watermark signal of the right channel whose magnitude is limited below the audible threshold, is used to control the detection threshold.
本文主要研究数字接收机中信号检测及自适应门限设定技术。
The thesis is mainly to study the signal detection and adaptive threshold technique in digital receiver.
然而，传统的微弱信号检测方法，输入信噪比门限受到一定限制，很难进一步降低。
However, the traditional weak signal detection method, input signal to noise ratio threshold are subject to certain restrictions, it is difficult to further reduce.
然而，传统的微弱信号检测方法，输入信噪比门限受到一定限制，很难进一步降低。
However, the traditional weak signal detection method, input signal to noise ratio threshold are subject to certain restrictions, it is difficult to further reduce.
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