signal correlation

The noise characteristic of the train wheel set vibration signal is researched through spectral correlation density function based on the auto-correlation function analysis of additive noise.

以列车运行过程中最常见的加性噪声为例，分析了循环自相关函数的降噪效果。继而研究了谱相关密度函数对列车轮对振动信号中常见噪声分量的降噪特性。

互联网摘选

An Application of Acoustic Signal Correlation Processing in Battlefield Target Identification

声音信号相关处理在战场目标识别中的应用

互联网摘选

First, the threshold filter and the signal correlation enhancement will be carried out to the high frequency data of wavelet transformation, it can not only denoise commendably, but also strengthen the point efficiently.

该算法首先将小波变换后的高频数据分量进行阈值滤波和信号增强处理，在很好地抑制噪声的同时，还能有效地增强突变点信息。

互联网摘选

The proposed algorithm exploits the temporal correlation of video signal and classifies the video frames as static frames and dynamic frames.

算法借鉴成熟的图像压缩算法框架，充分利用视频的时间相关性，将视频分为静态帧和动态帧。

互联网摘选

The speech signal is essentially continuous, so the speaker recognition rate can be improved if we obtain the temporal correlation in the frames.

语音信号本质上具有连续性，所以获取语音帧特征之间的时变特性，将对识别的性能带来提高。

互联网摘选

Synchronization-correlation and mutually-correlation of two kinds of signal were analyzed-domain, Fourier spectrum was studied in frequency-domain.

时域上着重分析两种信号的同步性以及它们的自相关和 互相关, 频域上研究了信号的傅立叶谱.

互联网摘选

It produces the primary signal first to carry on the display of time domain, the display of frequency domain and frequency spectrum, and compose the observing signal; finally it carries on the correlation analysis again after the signal filtered to remove the harmonic interference signal.

首先是对原始信号进行时域波形显示，频域频谱显示，初步观察信号的组成，最后再对滤波后的信号进行相关分析，除掉谐波干扰信号。

互联网摘选

Then, a multi-scale correlation analysis of thermal signal based on wavelet transform was proposed to study their correlation in different frequency ranges.

在此基础上，利用小波变换提出一种热工信号多尺度相关性分析方法，能够从不同频率尺度分析信号的相关性，并将该方法用于燃烧状态相关信号的选取。

互联网摘选

The noise-improved signal correlation in maximizing threshold networks is discussed.

讨论了极大并联阈值网络中噪声改善信号相关性问题.

互联网摘选

By using the characteristics of target radiation signal extracted by passive radar, the improvement on the traditional JPDA algorithm is done, in which target correlation exact probability is further improved.

利用被动雷达所提取的目标辐射源信号特性，对传统的JPDA算法进行了改进，提高了目标关联正确概率。

互联网摘选

The target signal is detected by correlation peak value.

运用该方法对雷达信号进行小波变换和三重自相关处理，由相关函数的峰值对目标信号进行检测。

互联网摘选

According to pulse time characteristic and measurement purpose of pulse radiation field, different relatively or absoluteness time correlation is chosen, and digital oscilloscope with orientation triggering function is applied for time correlation system of multi-way signal.

多路信号时间关联系统根据脉冲辐射场辐射脉冲时间特征和测量目的，选用不同或相对／绝对时间关联，并使用具有定位触发功能的数字示波器。

互联网摘选

Performance Analysis of Correlation Detection for Chaotic DS/ SS Signal The arithmetic was encrypted with chaotic sequences.

一种混沌直扩信号相关检测的误码性能研究算法采用混沌序列进行加密控制。

互联网摘选