解析信号
- 网络Analytic signal;analysis signal
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首先,在频域定义广义Hilbert变换,利用广义Hilbert变换来构造新的广义解析信号。
Firstly , generalized Hilbert transform is defined in the frequency domain , and it can be used to construct a new kind of analytic signal & generalized analytic signal .
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另外研究了STFT在基于基带解析信号的跳频信号识别、跟踪、以及参数提取中的应用。
In addition the application of STFT for base band analytic signal based frequency hopping signal recognition 、 tracking and parameter extraction is investigated .
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基于解析信号处理的下变频系统FPGA实现与天文应用
The FPGA Realization of a DDC System Based on Analytical-signal Processing and Its Application in Astronomy
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关于解析信号的研究,本文主要以分频Gabor变换、Hilber变换和小波变换为主要研究内容。
The paper is mainly discuss the Gabor transform , Hilbert transform and wavelet transform .
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GeraldKaiser首度提出了物理小波的概念,并通过解析信号变换将这一概念拓展到Hilbert空间。然而G.尝试物理小波处理实际数据及性质;
The conception of ' physical wavelets ' was first introduced by Gerald Kaiser , who had expended real signal to complex Hilbert space by analytic signal transform . Physical wavelets are used to analyze practical signal acquired by experiments .
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为了满足软件无线电电台中通用波形库的设计要求,研究了软件无线电中FM波形的数字化解调,分析了用坐标旋转数字计算机(CORDIC)算法,计算FM基带解析信号相位的过程。
In order to meet the requirement of general waveform programming in software defined radio , digitalized demodulation of FM waveform was studied . The CORDIC ( coordinate rotation digital computer ) algorithm for calculating phase of FM baseband analytic signal was analyzed .
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采用经验模态分解方法(EMD)将结构响应信号分解成几个单分量信号,借助Hilbert变换,将单分量信号变换为解析信号,通过对解析信号相位的微分,定义了瞬时频率(IF)。
Using empirical mode decomposition ( EMD ) technology , the response signal of structure vibration is decomposed into several mono-component signals which become analytic signal by means of Hilbert transform . The phase differentiation of the analytic signals is defined as instantaneous frequency ( IF ) .
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基于解析信号和带通滤波的频率细化分析
ZOOM FFT Technology Based on Analytic Signal and Band Pass Filter
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解析信号法在通信系统模拟中的应用
The Application of Analytic Signal Approach in Simulation of Communication Systems
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单演信号是首个旋转不变的二维解析信号。
The monogenic signal is the first rotation invariant two-dimensional analytic signal .
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增强解析信号技术的应用条件
The application conditions of the technique for the enhancement of analytic signals
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解析信号几个重要性质的探讨
An approach to some important properties of analytic signals
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基于解析信号的小波变换及其应用
Wavelet Transform Based on Analytic Signal and Its Application
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应用解析信号和小波分析对变压器局部放电信号进行处理。
Application of wavelet analysis and analytic signal transformer partial discharge signals are processed .
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基于分数希尔伯特变换的广义解析信号
Generalized Analytic Signal Based on Fractional Hilbert Transform
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解析信号的瞬时相位与原始信号的等价关系
The relation (?) The Equivalent Between Instantaneous Phase of Analytic Signal and Initial Signal
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基于矢量旋转的广义解析信号
Generalized Analytic Signal Based on Vector Rotation
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解析信号分析在探地雷达成像中的应用
Analytic signal analysis in ground-penetrating radar imaging
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用三维解析信号技术处理华南航磁异常
The application of 3-D analytical signal technique to the treatment of aeromagnetic anomalies in South China
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多分量瑞利波勘探用解析信号法提取有效波的研究
Study on the extraction of effective wave using analytic signal method in multicomponent Rayleigh wave exploration
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三维解析信号法
- D analytic signal method
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洛仑兹脉冲光束的复振幅包络解和复解析信号解的比较研究
Comparison of Lorentz pulsed beams obtained by using complex amplitude envelope representation and complex analytic signal representation
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二是在计算解析信号过程中,给出了以任意帧移间隔的时域递推算法,进一步减少了实时算法的计算量。
Deducing a time domain recursive algorithm for the computation of analytic signals accurately with any frame shift interval .
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从矢量旋转的角度出发,来考察实信号的复数形式,特别是新的解析信号的构造问题。
Topics on construction of Complex representation , especially analytic signal of real signal are studied from the viewpoint of vector rotation .
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在这个平台上对短波信号射频数字化,然后进行数字变频,获得宽带基带解析信号。
In the platform , the short wave signal is digitalized in the radio frequency band and converted into the analytical baseband signal .
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试样越多,峰顶温度向高温方向偏移,但外推起始温度不变;高维解析信号的外推
The more sample is the more the peak temperature deviates to high temperature , but extrapolated onset temperature is constant . Multidimensional Analytic Signal extrapolation
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使用复解析信号法研究了束宽与频率无关的超短脉冲贝塞尔-高斯光束在自由空间的传输特性。
Using a complex analytical signal representation , the free-space propagation properties of ultrashort pulsed Bessel-Gauss beams whose waist width is independent of frequency are studied .
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介绍了一种基于解析信号和带通滤波的频率细化分析技术,讨论了其和传统的频率细化分析技术相比较所具有的特点。
This paper deals on the method of ZOOM FFT based on analytic signal and band pass filter , which is different from other methods of ZOOM FFT .
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计算结果表明当脉冲光束存在啁啾时,啁啾量越大,复振幅包络解的奇异点位置离光束中心越近,而复解析信号解在任意大小啁啾的情况下都不存在奇异性。
The results indicate that singularity of the CAE solution closer to the central with larger chirp and the CAS solution doesn 't present singularity with any chirp .
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因此,窄带脉冲光束可以采用复振幅包络和复解析信号两种表示式来研究,而对于宽带脉冲光束,必须采用严格的复解析信号表示式。
It is concluded that both of the representations are applicable to study narrowband pulse , but for broadband pulse only rigorous complex analytical signal representation should be adopted .