spatial spectrum的例句大全

A New Method of Two-dimensional Spatial Spectrum Estimation based on ESPRIT Using Combined Array

一种新的二维空间谱估计方法&二维组合阵列ESPRIT

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Local Oscillator Design in the Wideband DOA-Finding system with Spatial Spectrum-Estimation Technique

宽波段空间谱估计测向系统的本振设计

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By analysis of the intermediate frequency signals which through eight antennae and receiver channels, eight channels radio spatial spectrum direction finding system can reach the purpose of finding radio direction.

八通道无线电空间谱测向系统通过分析经过八路天线和接收机通道以后的中频信号达到确定无线电信号方向的目的。

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A Spatial Spectrum Estimation Method of Target Detection Based on Microwave Thermal Radiation

基于微波热辐射的空间谱估计目标探测方法

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improved wide-band steered minimum variance spatial spectrum estimate algorithm based on ula

改进的宽带指向最小方差空间谱估计算法

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firstly, the wideband signals are focused on the instantaneous frequency respectively with symmetric antenna and bi-linear transformation. secondly, the correlation matrices are constructed on the signals' instantaneous frequency. with music spatial spectrum, the doas will be obtained at last.

该算法利用对称阵子和双线性变换可将多个宽带信号聚焦至各自的瞬时频率，再通过傅立叶变换，在信号各自的瞬时频率上构造相关矩阵，由此构造MUSIC空间谱可获得信号的DOA。

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Spatial spectrum analysis of speckle imaging process

散斑成象过程的频谱分析

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The exceed performance mechanism of spatial spectrum estimate algorithm to direction finding is analyzed.

同时,分析了空间谱估计测向超性能机理.

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The signal processing techniques of infrared spectrum radiometer for detecting spatial objects was investigated.

天体物理学空间实验室研究用于空间目标探测的红外光谱仪信号处理技术。

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spatial frequency spectrum analysis of the performance of the diffractive optical element for beam smoothing

衍射光学束匀滑器件性能的空间频谱分析

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it is shown that the on-axis spectrum of polychromatic gsm beams passing through the spherically aberrated lens depends on the spatial correlation parameter β, spherical aberration c4, band-width σ 0 of the source and position parameter z in general.

结果表明，多色高斯谢尔模型光束通过球差透镜后的轴上光谱与空间相关参量β，球差系数C4，源光谱谱宽σ0，位置z有关。

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Different to the general STAP methods, the presented method realizes moving target detection in the spatial-temporal spectrum domain.

不同于一般的空时自适应处理方法，该方法直接在功率谱进行运动目标检测。

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The research on OFDM spectrum sensing algorithm utilizes only the time diversity and frequency diversity to improve detection performance without utilizing spatial diversity.

目前针对OFDM信号的频谱感知算法研究只利用时域分集和频域分集提升检测性能，而没有考虑利用空间分集提升检测性能。

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It can obtain time diversity, spatial diversity and frequency diversity at the same time. So it not only can effectively combat the frequency selective fading in the course of spread, but also the spectrum efficiency is greatly improved.

它将时间分集、空间分集和频率分集有机地结合起来，不仅可以有效地抵抗信号传播过程中遭遇的频率选择性衰落，而且频谱利用率得到很大地提高。

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Spatial evolutionary spectrum distribution is derived and used to estimate direction of signals which have constant or time-varying amplitude.

建立了空间演变谱分布，适用于恒幅和时变幅度的FM信号到达角估计。

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By using spatial directional information contained in combined-sensor, the Coherent Interference Energy Suppress ( CIES for short) technology, which can effectively suppress coherent inference and detect linear spectrum signal and wide-band continuous-spectrum signal as well, is presented.

本文利用组合传感器本身所蕴含的空间方位信息，提出了相干干扰合成能量流抑制（CIES）技术，实现了对相干干扰的有效抑制，具备了良好的线谱信号和宽带连续谱信号检测能力。

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The spatial distribution of the vibrational temperature is calculated by using the N2 spectrum in the air discharge channel. It is found that the vibrational temperature is lowest at the two end of the channel, while highest in the middle.

利用在空气单通道放电中得到的氮分子振动光谱，计算了振动温度在放电通道内的分布情况，结果发现振动温度在放电通道的两侧最低而中心最高。

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Altimeter data were corrected with tidal model and was interpolated in spatial domain to obtain time series data. 3D energy-frequency-time spectrum and sea surface anomaly ( SSA) were obtained by HHT from time series data.

对南海卫星高度计资料进行潮汐校正和空间插值得到时间序列数据，对这些时间序列数据进行HHT，得到了南海海平面高度变化的三维能量-频率-时间谱和海平面高度距平（SSA）。

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To study the ultra-narrow linewidth fiber laser, the saturable characteristic of unpump EDF and the loss spectrum resulting from spatial hole burning ( SHB) induced by stand wave in it were measured.

测量了未抽运掺铒光纤的饱和吸收特性和驻波诱导增益烧孔导致的损耗波长相关特性，为超窄线宽激光器研究奠定了基础。

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