这种谱仪回避了A/D转换器的限制，是信号谱估计的一种新理论和新技术。
The analyzer can avoid the limitation of A/D converter. Thisis a new theory and technology on signal spectrum estimation.
首先介绍了FSK信号的频谱特性，详细分析了FSK信号谱估计检测理论。
Firstly, the spectrum properties of FSK signal are introduced and the principle of spectrum estimation for FSK signal detection is discussed in detail.
对信号波达方向(doa)的估计是空间谱估计研究的主题。
The main studied topic of spatial spectrum estimation is the direction of arrival (DOA) of spatial signals.
通过实验验证，AR模型谱估计可以作为一种较好的方法，用来处理流量计的输出信号，并且此方法得出的结果比计数方法得出的结果精度高。
Validated by the experiments, AR model spectrum estimation method is a good way to process flow signal and the results of it is more accuracy than the results that gain by count method.
空间谱估计是阵列信号处理的一个重要分支，近年来在雷达、通信、声纳、地震、射线天文等科技领域取得了极为广泛的应用。
Spatial spectrum estimation is an important area in array signal processing, which is widely used in radar, communication, sonar, earthquake, chronometer and other aspects of science and technology.
空间谱估计的主要目的是利用空间多传感器所构成的阵列对空间分布信号的参数和信源位置进行估计。
The main purpose of spatial spectrum estimation is to estimate the parameters and source bearing of spatial signals using spatially displaced sensor arrays.
利用空间谱估计理论，对外来目标信号进行超分辨测向将会成为近代电子战中必不可少的技术手段之一。
Using theory of spacial spectrum estimation to estimate Direction of Arrival (DOA) of target signals will be one of absolutely necessary technology means in future electron warfare.
空间谱估计测向是一种以多元天线阵结合现代数字信号处理为基础的新型测向技术。
Spatial spectrum estimation technique is a new direction-of-arrival estimation technique based on multielement array and modern digital signal processing theory.
提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。
Three methods for analyzing and processing the laser scattering signal of bubbles in water, the threshold detection, noise elimination processing and power spectral estimation, are put forward.
同时提出相关法与周期谱估计相结合的方法，并证明该方法可进一步改善信号的检测能力。
In the meantime the correlation algorithm is combined with periodic spectral estimation, and a further improvement of the signal detection ability using this method is proved.
引入了最佳修正短时对数谱估计，能在信号存在的不确定性下最小化语音信号对数谱的均方误差。
We introduce an optimally-modified log spectral amplitude estimator, which minimizes the mean-square error of the log spectra for speech signals under signal presence uncertainty.
本文利用高阶矩的性质，提出一种改进的基于双谱估计的瞬态信号重构算法。
This paper presents a modified estimation algorithm for transient signal reconstruction based on bispectrum.
本文提出了两种处理非均匀或任意形状阵列上相干信号空间谱估计的方法阵列数据变换法和不变子空间旋转法。
The problem of bearing estimation of coherent signals impinging on an array of arbitrary geometry is studied. Two methods are developed.
本文研究了直扩信号的检测和参数估计两方面内容，参数估计使用了循环周期图谱估计方法。
The detection and parameter estimation of DS signal are studied in this paper. Cyclic period chart spectrum estimation is used on parameter estimation.
该方法吸取了PER方法和AR方法各自的优点。它主要适用于短的谐波加随机噪声信号的功率谱估计。
It has the advantages of both the PER method and the ar method, and is mainly used to estimate the power spectrum of a short signal composed of harmonic components with random noise.
为了实现GMSK信号解调，接收机中dsp实现了调制信号的误差频谱估计、位同步恢复及译码。
To demodulate GMSK signal, DSP is used in receiver to achieve error spectrum estimation, bit synchronization recovery and decode.
它是建立在阵列输出信号和噪声参数联合后验概率密度基础上的空间谱估计。
It is established on the expected value of the theoretical spatial spectrum over the joint posterior density function of the array output signal and noise parameters.
对采集到的信号做功率谱估计后，结合测量时的雷达参数和环境参数，就可以计算出被测目标的散射系数。
After the power spectrum estimation for the collected signals, the measured objectives 'scattering coefficient can be calculated out combined to the radar parameters and environmental parameters.
本文论述白色噪声淹没下有限个二维正弦信号的谱估计问题。
This paper is concerned with spectral estimation of a finite number of twodimensional sinusoids embedded in white noise.
提出了最大熵谱估计和LMS自适应算法提取激光测距系统的反射回波信号。
Maximum entropy spectral estimation and LMS adaptive algorithm were proposed to extract the reflection echo signal of laser ranging system.
仿真分析表明，最大熵谱估计和LMS自适应算法相结合可以有效地从背景噪声中提取有用的激光反射回波信号。
Simluation results show that the maximum entropy spectral estimation and LMS adaptive algorithm can extract echo signal of laser ranging system effectively from background noises.
相干信号源的测向是空间谱估计的一个难题。
DOA of correlated signals is difficult question of space spectrum estimation.
同时，在信号自相关矩阵条件数不好时，该算法仍然可以进行信号的谱估计。
With bad matrix condition number, the proposed algorithm can also be used for the spectral estimation.
介绍了测量正弦信号的频域方法——传统谱估计方法及现代谱估计方法。
The frequency methods of measuring sine signal are introduced, which are traditional spectrum estimation and modern spectrum estimation.
多重信号分类(MUSIC)算法是通过对数据协方差矩阵进行本征分解获得信号空间谱估计的方法。
MUSIC (MUltiple SIgnal Characterization) is a special spectral estimation method based on the eigen decomposition of the sample covariance matrix.
在对雷达信号的到达角估计研究中，在阵列信号处理的基础上应用空间谱估计方法是当前较为普遍而常见的处理方式。
In the researches of direction-of-arrival (DOA) of the radar signal, the spatial spectrum estimation based on the array signal process is a usual and pervasive method.
文中首先介绍了阵列信号模型，分析了空时二维谱估计的原理。
The model of array signal is described first, and then the principle of 2-D spatial-temporal spectrum estimation is analyzed.
对电力远动通道FSK信号进行了时域和频域分析，在此基础上提出了一种新的FSK信号载波频率测量方法—时域拼接结合现代功率谱估计的方法。
Based on the analysis, a new method to detect carrier frequency of FSK signal named time-domain joint and modern power spectrum estimation is put forward.
移动的修正周期图谱估计方法在实时处理和非平稳信号处理的场合中是常用的一种有效方法。
To modify periodogram by moving is a useful and effective method for either real time signal processing or non-stable signal processing.
分析了空间谱估计中多信号源方向和频率估计中通道失配和阵元互耦导致系统性能下降的机制。
The mechanism of the performance degration for space-frequency spectrum estimation due to ChannelMismatching and Sensor Coupling is analyzed.
应用推荐