The main studied topic of spatial spectrum estimation is the direction of arrival (DOA) of spatial signals.
对信号波达方向(doa)的估计是空间谱估计研究的主题。
The paper describes the principle and method of spatial spectrum analysis to photographic image using an optics computer hybrid processing system.
本文介绍一种光学-计算机混合处理系统对图像进行空间频谱分析的原理和方法。
Based on the covariance matrix obtained by the weight perturbation algorithm, we propose to use a single port receiver for spatial spectrum estimate DF.
基于用权微扰算法得到的协方差矩阵,提出了用单通道接收机实施空间谱估计测向。
For the nonlinear harmonic conversion of real laser beams, we have developed a theory by applying the spatial spectrum analysis to the nonlinear coupling.
以按空间频谱展开方法,处理任意光束的非线性谐波转换过程。
The main purpose of spatial spectrum estimation is to estimate the parameters and source bearing of spatial signals using spatially displaced sensor arrays.
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 spatial spectrum technique based on MUSIC algorithm is mainly discussed as well as its application in the vehicle-carried direction-finding system of UAV.
介绍了一种基于MUSIC算法的空间谱估计技术,对其算法原理与过程进行了详细分析,并给出了它在车载无人机测向系统中的应用。
The new concept can also be used to modify other spatial spectrum estimation algorithms such as spatial smooth algorithm used for dealing with coherent sources.
算法的思想同样适用于空间平滑等各种抗相干源算法。
Spatial spectrum estimation technique is a new direction-of-arrival estimation technique based on multielement array and modern digital signal processing theory.
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。
The performance of the high resolution DF technique based on the spatial spectrum estimation, will be severely suffered with sensor gain and phase uncertainties.
基于空间谱估计的高分辨测向技术,在天线阵各通道的增益和相位未知时,其性能往往低于传统的测向技术。
Results shown the continued attenuation of the dipole moment in the last 50 years, and the variation of spatial spectrum of geomagnetic field continuously decreased.
研究中发现最近50年偶极矩仍在继续衰减,空间功率谱的变化也呈减小趋势。
The characteristics of the multi-targets' spatial spectrum in acoustic field is analyzed in the paper, and the adaptive weight suitable to this condition is derived.
分析了声纳多目标背景环境下声场方位谱的特性,并推导了适合此背景的最优自适应权。
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.
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。
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.
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。
The basic principle of some spatial spectrum estimation algorithm such as MUSIC, ESPRIT was described at the beginning, and their performance was analyzed and compared.
本文首先介绍了MUSIC,ESPRIT等经典空间谱估计算法的基本原理,并进行了性能分析和比较。
The second is the measurement of arrival direction for radio signals, which is to monitor the spatial distribution of radio energy, which is often called spatial spectrum estimation.
第二是对无线电信号来波方向的测量,即是要对无线电信号能量在空间的分布进行监测,这就是所谓的空间谱估计技术。
Compared with existing spatial domain optimization methods, the new spatial spectrum optimization method can effectively improve the practical performance of DOE and save computing time.
与已有空间域优化方法的对比表明,在元件实用效果方面,空间频域优化设计方法优于空域方法。
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。
Hyperspectral remote sensing is an art, which integrates the spectrum representing to the radiant attributes of ground object with the homological images standing for spatial and geometric relations.
高光谱遥感是一门将反映地物辐射属性的光谱与反映地物空间和几何关系的图像结合在一起的技术。
The signal processing techniques of infrared spectrum radiometer for detecting spatial objects was investigated.
研究用于空间目标探测的红外光谱仪信号处理技术。
Limited by spectrum resolution and spatial resolution, we were only able to derive the categories of river, flood plain, lake, paddy field, swamp, grass marshland and morass from rs images.
受光谱分辨率和空间分辨率的影响,能从图像上提取到信息的湿地类型有河流、河漫滩、湖泊、水田、沼泽、草甸、沼泽化草甸。
The slope spectrum of the Loess Plateau and its spatial distribution are explored deeply by the theory and methodology of the Geo-information Tupu in this dissertation.
本研究运用地学信息图谱的理论与方法,对我国黄土高原地区地面坡谱与其空间分异特征进行深入的研究。
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。
The key parameter which describes the spatial resolution of imaging spectrum system is the modulation transfer function (MTF), it is an old and difficult topic to measure the MTF.
描述成像光谱仪系统空间分辩率优劣的关键参数是系统的调制传递函数—MTF, MTF的检测是一个古老而又困难的课题。
The critical function and critical rules based on the spectrum characteristic selection and the process of spatial dimensional reduction were established.
通过光谱特征选择及空间降维处理,建立了判别函数,确定了判别规则。
Different scenes are analyzed in the power spectrum spatial frequency domain, it can be shown that the power spectrum of most natural scenes is of invariability.
用功率谱的方法对任意景物在空间频域进行分析表明,功率谱对于自然景物具有一定的不变性。
The efficient integration of remote-sensing images with multiple spatial, temporal and spectrum resolution was a key of remote-sensing application.
对不同空间分辨率、时间分辨率和波谱分辨率的遥感图像进行综合、高效的利用,是遥感应用的关键问题之一。
Aiming at single sensor's limitation on spectrum and spatial resolution, this paper USES the technology of multi-sensor fusion, which furthest obtains the information description of target scene.
针对单一传感器在光谱、空间分辨率等方面存在的局限性,通过多传感器融合技术,最大限度地获取对目标场景的信息描述。
Aiming at single sensor's limitation on spectrum and spatial resolution, this paper USES the technology of multi-sensor fusion, which furthest obtains the information description of target scene.
针对单一传感器在光谱、空间分辨率等方面存在的局限性,通过多传感器融合技术,最大限度地获取对目标场景的信息描述。
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