1) Wide-band Signal Simulation
宽带信号仿真
2) broadband simulation
宽带仿真
3) signal simulation
信号仿真
1.
Research on Surface Clutter Signal simulation Method of Radar Simulator;
雷达模拟器中地物杂波信号仿真的方法研究
2.
In this paper, a video signal simulation model is proposed by analysing echo of in battlefield detecting short range radar.
通过对战场侦察雷达回波信号的分析，建立了视频信号仿真模型，并以8mm连续处二相码调制雷达为例对视频形式的回波信号进行了计算机仿真。
3.
Using signal simulation method which can describe both the phase and amplitude,the models of the radar receiver and processor were constructed,and the numeric simulation algorithms were given,and then the signal receiving and processing experience was simulated credibly.
采用能够描述雷达信号相位和幅值信息的信号仿真方法,通过建立雷达接收处理机的数学模型,并给出各环节数值仿真算法,模拟实现雷达接收信号处理的全过程。
4) Wideband signal
宽带信号
1.
Two-dimensional direction of arrival estimation of wideband signals based on virtual rotational invariance techniques;
基于虚拟旋转不变技术的宽带信号二维到达角估计
2.
DOA Estimation of Wideband Signals Based on Signal Subspace Method;
基于子空间方法的宽带信号DOA估计
3.
AML algorithm for short sampling wideband signal DOA estimation based on Metropolis-Hastings sampling
基于Metropolis-Hastings抽样短采样宽带信号方位估计AML算法
5) wideband sources
宽带信号
1.
Based on statistical property of the noise eigenvalues of each frequency which is approximately fitted by a straight line, a novel method of estimating the number of wideband sources has been proposed.
基于噪声特征值的统计特性,文章在宽带信号条件下,基于各个频率点下的阵列采样协方差矩阵的噪声特征值在平面直角坐标系中几乎处于同一条直线上这一统计特性,提出了一种新的估计宽带信号源数目的方法,该方法简单且易于实现。
2.
A new DOA estimation algorithm for wideband sources is introduced.
总结了宽带信号子空间类DOA估计方法,提出了一种新的构造聚焦矩阵的方法,新方法基于预估角度和宽带信号带宽内各个频点上对应的阵列流形的奇异值分解,所构造的聚焦矩阵为酉矩阵,在聚焦过程中没有聚集损失。
3.
A new direction-of-arrival(DOA) estimation algorithm for wideband sources is introduced.
根据阵列采样获得的宽带信号带宽内各个频点的协方差矩阵进行特征值分解得到的信号子空间,提出了一种新的宽带聚焦DOA估计方法。
6) wide-band signal
宽带信号
1.
Based on the principle of digital orthogonal modulation,the generation question of wide-band signal is factually identical with how to generate base-band signal with high sampling in time domain.
在数字正交调制原理的基础上,宽带信号的产生问题实际上转换为如何得到高采样率下的时域基带信号。
2.
Modified wide-band signal DOA finding method based on the 4~(th)-order cumulant slice modified propagator matrix;
首先利用旋转不变方法(RSS)对宽带信号进行聚焦处理,聚焦处理后的矩阵输出再求其四阶累积量切片矩阵,对该矩阵利用改进的传播算子法得到测向结果。
补充资料：宽带和窄带业务
宽带业务是相对窄带业务而言的，一般来说，对于速率低于2Mb/s的通信业务统称窄带业务，如电话网、N-ISDN所提供的业务。对于高于2Mb/s的通信业务，如帧中继业务、视频点播、ATM业务、TV会议等称为宽带通信业务。 目前投入应用的宽带接入技术主要有两种：ADSL和FTTX＋LAN。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条