门限电平的定量分析对卫星电视系统提高接收微弱信号的能力具有重要的指导作用。
A quantitative analysis of the threshold level is important to improve the abilities of receiving weak signals for satellite television system.
其中语音信号切割是经由语音辨认技术，依据声学模型的能量门限、图形比对的方法来切割出正确的发音区段。
Which voice signals cutting through voice recognition technology, based on the acoustic model energy threshold, graphics than a way to correct pronunciation sectors.
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.
传统信号去噪方法常采用门限法对噪声信号的小波或小波包变换做阈值处理以达到去噪的目的。
In traditional denoising methods for signals, we usually use the method of threshold to achieve denoising by the threshold disposing of wavelet packet transform.
信号检测的最佳门限选择；
通过改进搜索策略、调整视频包络信号的门限值和设置相应的过渡状态等方法，提高了自动磁迹跟踪的速度和准确性。
The speed and accuracy are increased by improving the search strategy, adjusting the threshold of the video signal envelope and setting the corresponding transitive state.
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.
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.
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.
此方法是目前信噪比门限较低的时域信号处理方法，因而具有广泛的应用前景。
This is a time-domain signal processing method which has a lower signal to noise ratio limit. Therefore, it will have very good future in applications.
通过对输入信号特性的分析，确定控制门限，采用PID控制算法模拟常规模拟agc的工作特性，经实验室测试，验证了该方案的有效性。
By analyzing the characteristics of input signal, the threshold is determined, and PID algorithm to simulate the operating characteristic of analog AGC is employed.
信号的处理采用硬件滤波加软件滤波方法，采用门限区加比例控制的方法对焊缝进行跟踪。
The signal was processed using hardware filter plus software filter and the seam was tracked using threshold area plus proportional control.
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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