利用现代谱估计的算法,在DSP芯片中对检测车辆雷达运动产生的多普勒频率进行频谱分析。
With modern spectral estimation algorithm, spectrum analysis on Doppler frequency caused by vehicles radar movement is carried out in DSP chip.
而且该算法精确度高,抗随机噪声干扰能力强,使得载荷谱分析更加准确。
And it has a high precision, strong restraining random interfering noise. As a result, it makes loading-spectrum analysis more accurate.
该算法首先计算序列的平均功率,然后对其进行谱分析并作平滑处理而完成伪码速率的判定。
This algorithm firstly calculates the average power serial, and then finishes the detection of PN code rate through the analysis of frequency spectrum and smooth processing.
具体工作如下:提出了一种基于先验信息和谱分析的聚类融合算法。
Main works are as follows. A clustering ensemble algorithm based on prior knowledge and spectral analysis is proposed.
简介了频谱分析的基础理论和快速傅利叶变换(FFT)算法。
Basic theory of spectrum analysis and Fast Fourier Transform (FFT) algorithm are briefly introduced.
通过试验验证了算法的正确性,为工程实践中的冲击响应谱分析提供了一种通用性相对较好的分析方法。
The tests proved that this algorithm is correct and it can provide a better method for shock response spectrum analysis in engineering practice.
本文提出了等间隔加密信号的频谱分析方法和计算加密信号的快速算法。
This paper proposes a frequency spectrum analysis method and a fast algorithm on the interpolation signal with equal samples interval.
首先讲述了频谱分析的原理以及实现的算法。
First, it introduces the principle and algorithm of frequency spectrum analysis.
通过把图像分割和聚类分析方法应用于8fsk信号的频谱分析,提出了基于模式识别的解调算法。
Under the application of image segment and clustering analysis methods into 8fsk signal's spectrum analysis, a demodulation algorithm based on pattern recognition is proposed.
基于这种变频法思想,结合傅里叶变换频谱分析法推导了介质损耗参数的工频等效计算公式和算法。
Applying Fourier transform frequency spectrum analysis, the equivalent formula and arithmetic for calculating the dielectric loss at power frequency are deduced.
提出光谱分析寻峰的一种原理和实现的算法“两层扫描筛法”,用于光谱的标定和其它分析。
One theory and arithmetic "dual filter scan" of seeking peak in spectral analysis is brought forward and used for demarcate of spectrum and other analysis.
离散快速傅里叶变换算法在频谱分析中得到了广泛的应用,这种算法得到的计算结果是在整个频段上的频谱信息。
Discrete fast Fourier transform (FFT) has been widely applied to signal spectral analysis and can figure out the entire bandwidth spectrum of a signal.
为了解决这个问题,提出了一种新的频率估计算法,采用扩频调制信息消除策略和分段相关FFT频谱分析技术实现频偏精确估计。
To solve this problem, a new method of frequency offset estimation is proposed. This method adopts modulated data elimination technique and the segmental correlation FFT algorithm.
本文简要介绍最大熵谱分析法的理论和算法。
This paper gives a brief description of the theory and algorithms of maximum entropy method of spectral analysis.
文中介绍了基于数字滤波的低频随机信号实时功率谱分析仪的实现方法,并给出了实时算法的设计要点。
In this paper, a real time power spectrum analyzer of low frequency random signal based on digital filters is introduced, and a design method of real time arithmetic is given.
本文介绍自回归谱分析法的另一种算法—前后向最小二乘法(LS算法)在亚毫米波付里叶变换谱中的应用。
The least square algorithm using forward and backward linear prediction (LS algorithm) for the autoregressive spectral estimates of the SMMW Fourier transform spectroscopy data is presented.
肺音分析采用了时域分析、功率谱分析、时变谱分析、同态处理等多种分析算法。
The lung sounds data analysis USES time domain analysis, frequency domain analysis, power spectra analysis, time-varying spectra analysis and so on.
作者针对X荧光谱分析的寻峰算法,分析探讨了在寻峰中四种算法的原理和实践。
This paper makes an inquiry into the seek peak algorithms of X fluorescence spectrometry analysis and discusses four kinds of algorithms and their processing and realization.
着重阐述了数据的非线性补偿技术、标度变换技术、信号预处理的各种算法、FFT谱分析技术。
The technologies including nonlinear compensation, scales conversion, algorithms of signal preprocessing, FFT spectrum analyzing is emphasized.
文章提出了LMS算法收敛的新概念,并从梯度谱分析的观点探讨了算法的收敛过程,指出步长选取应使算法具有低通性。
A new conception on the convergence of LMS algorithm is suggested in this paper. and the converged process of the algorithm is also studied from the viewpoint of analysing gradient spectrum.
本文提出了一种基于数字下变频(DDC)技术的快速局部细化频谱分析的方法,并探讨了算法实现中的关键步骤和需要注意的问题。
A zoom - FFT implementation based on the technology of digital down convert (DDC) is introduced in this paper. The key process and core problem of this method are discussed in detail.
但用G P算法求关联维数存在抗干扰能力较差、可靠性不稳定、运算量巨大等缺点。先对相空间进行奇异谱分析,进而对原始相空间进行旋转,使其成为正交的等效空间,然后再使用G P算法。
But G-P algorithm which be used to calculate D2 have some shortages, such as being robust against noise, not stable, and needing a big operation.
但用G P算法求关联维数存在抗干扰能力较差、可靠性不稳定、运算量巨大等缺点。先对相空间进行奇异谱分析,进而对原始相空间进行旋转,使其成为正交的等效空间,然后再使用G P算法。
But G-P algorithm which be used to calculate D2 have some shortages, such as being robust against noise, not stable, and needing a big operation.
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