The study of this paper effectively improves the performance of the cyclic spectrum correlation technology and puts forward a novel method detecting DS signal.
本课题的研究,验证了循环谱相关技术的有效性,从而为直扩信号的检测提供了新的方法。
Aiming at the problem of testing parametric fault in analog integrated circuits, an approach based on power spectrum correlation analysis for diagnosing parametric faults is presented.
针对模拟集成电路参数型故障的测试难题,提出了定位模拟集成电路参数型故障的功率谱相关分析方法。
SSCA (Strip Spectral Correlation Algorithm) is widely used as a time-smoothed method for estimating cyclic spectrum.
分段谱相关算法(SSCA)是循环谱估计常用的一种时域平滑算法。
Cognitive radio; Spectrum sensing; Entropy; Signal correlation; Spectrum consistency.
认知无线电;频谱感知;信息熵;信号相关性;频谱一致性。
Meaning: The self-correlation function and power spectrum density Function of a power-typed signal compose a FT pair.
上式表明:功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。
In this paper, we study the correlation properties with the theory of probability and spectrum for non-linear combiners with memory.
本文主要利用概率论和频谱理论的方法对带记忆的非线性组合生成器的相关性进行了研究。
Based on sea clutter reflectivity mechanism, this paper analyses the amplitude distribution characteristic, correlation characteristic and spectrum characteristic of sea clutter in depth.
基于海杂波散射机理,深入分析了高分辨雷达的海杂波幅度分布特性、相关特性和谱特性。
Physical meaning: the self-correlation function and the energy spectrum density function compose a Fourier transform pair.
物理含义:能量信号的自相关函数与能量谱密度函数构成傅立叶变换对。
Bispectrum and correlation spectrum are excellent for some mechanical fault forms.
三阶谱与相关谱对某些故障的分析很有效。
By using the concept of "coherence area", we standardized three familiar statements about the spatial coherence criterion on a photon correlation spectrum measurement system.
利用相干面积概念对光子相关谱测量系统空间相干性判据的几种常见表述进行了规范。
Using a simplified model of light interference, we discussed the physical essence of the spatial coherence demand on a photon correlation spectrum measurement system in dynamic light scattering.
利用光干涉的简化模型讨论了动态光散射中光子相关谱测量系统的空间相干性要求的物理本质。
In this paper, in order to achieve better correlation result, the nonlinear processing of joint transform power spectrum (JTPS) is put forward.
为了得到更好的相关结果,本文提出对联合功率谱进行非线性处理的方法。
At last, making use of the plotting function of MATLAB, the paper carries out simulation analysis from three aspects: auto-correlation function, spectrum and fuzzy function.
最后,利用Matlab软件的作图功能,从自相关函数、频谱函数和模糊函数三个方面对M波形的性能进行了仿真分析。
The results show that the periodicity of correlation signals and the distribution of main peaks in the cutting force spectrum are different as the change of characteristics of materials.
结果表明:材料性质不同,相关信号的周期性明显不同,切削力信号频谱的主峰分布也有所不同。
Utilizing a high contrast liquid crystal light valve (LCLV) to perform joint power spectrum nonlinear processing, real time nonlinear joint transform correlation is implemented.
利用高对比度液晶光阀(LCLV)对联合功率谱进行非线性处理,实现了实时非线性联合变换相关。
According to the time correlation function theory, the infrared spectrum of clusters can be calculated by using the molecular dynamics simulation.
根据时间关联函数理论,可以结合分子动力学模拟而计算团簇的红外吸收谱。
According to the correlation of TV image, the structure and characteristic of three dimensional spectrum in PAL TV signals is mathematically analyzed.
根据电视图像的相关特性,对PAL信号的三维谱结构及其特征进行了数学分析。
The characteristic of the correlation between frequency spectrum and nugget size is studied, and the relationship is founded.
从电流信号的频谱图中寻找与熔核直径相关的特征,建立起电流频谱与熔核直径的关系曲线。
The correlation analysis showed that the spectrum from a morphological element is highly correlated with that from the corresponding purified chemical.
基元谱与提纯化学物质谱的相关分析印证了组织形态基元谱的来源。
After combined with correlation accumulation technique and power spectrum collection-average technique, the estimation performance can be improved.
将它与相关积累技术和功率谱集平均技术相结合,能提高该方法的估计性能。
The SS communication is a system that the spectrum of signal is spreaded in a wide frequency band when transmitted, and is recovered by the correlation reception when received.
扩频通信是指在发送端将信号的频谱扩展到一个很宽的频带上,在接收端通过相关接收,将信号恢复到信息带宽的一种系统。
The filter is put on the power spectrum before applying the inverse Fourier transform to yield the correlation output. This technique can be used in pattern recognition of grey level input image.
将这种滤波器放置在傅里叶反变换产生相关输出之前的联合功率谱面上,该技术可以应用在具有不同灰度图像的模式识别中。
A new signal-to-noise ratio criterion-speckle criterion for photon correlation spectrum was established by use of the statistical method, and its physical significance analyzed.
利用统计方法重建了光子相关谱信噪比的散斑判据,并分析了散斑判据的物理意义。
The actual signal-to-noise ratio criterion of photon correlation spectrum, its building-up process and its shortages were summarized.
概述了现行的光子相关谱信噪比判据、建立过程及其不足。
The results show that the spectrum transform can reflect their correlation with the element quantitative.
结果表明,经变换后的光谱能更好地反映出与成分含量之间的相关关系。
By means of auto-correlation and spectrum analysis, we discuss in detail some physical mechanisms of the flows.
通过自相关与谱分析的方法,详细地讨论了这种流动的一些物理机制。
This paper develops a new method to evaluate air velocity in air conditioned room by means of frequency spectrum analysis and correlation analysis based on random process theory, With this method.
本文以随机过程理论为依据,用频谱分析和相关分析为手段,提供了一个评价空调房间气流速度的新方法。
The devices will be widely used in optic communication and real time signal processing, such as correlation, convolution, spectrum analysis and optic vector calculation.
在光通信以及各类实时信号处理,如相关、卷积、频谱分析、矩阵光计算等领域具有广泛的应用前景。
Audio information hiding algorithm based on spread spectrum is generally detected by correlation threshold but the orthogonal of pseudorandom sequence is always destroyed by perception reshaping.
基于扩频的音频隐藏算法一般都采用阈值相关法进行检测,但感知整形过程往往会破坏伪随机序列的正交性。
A method integrating correlation registration and max-spectrum image registration is discussed.
提出了一种将相关匹配和最大谱图像配准相结合的配准新方法。
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