1) 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
2) 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。
3) 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。
4) broadband signal
宽带信号
1.
Large time bandwidth product signal, called broadband signal, is usually used for detecting under reverberation interference due to the better performance of the broadband detector.
为寻求水下畸变信道中稳健的宽带信号检测器 ,本文针对理想信道和两种畸变信道 ,即时间扩展信道和频率扩展信道 ,研究了副本相关检测器、分段副本相关检测器、副本相关积分检测器 ,并给出其检测性能的理论分析和对比试验结果。
2.
The algorithms estimate the DOA of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases.
该类算法首先将阵列接收的宽带信号变换到频率域,然后对于每个频率形成阵列接收信号协方差阵,最后由该协方差阵的次对角线元素估计宽带分布源的到达角,其主要特点是避免了相位展开。
3.
In this dissertation, we discuss the direction-finding problem in the broadband signal model, based on the uniform circular array (UCA), which is famous with more absorbing direction-finding aspects compared with the uniform linear array (ULA).
由于均匀线阵(ULA)的DOA估计算法是研究UCA的基础,所以本文在对均匀圆阵(UCA)进行空间谱估计算法研究之前,首先研究了ULA的DOA估计算法,然后研究UCA的窄带信号和宽带信号DOA的估计性能,并将ULA和UCA的算法性能进行了详细比较。
5) wideband signals
宽带信号
1.
Based on the decomposition of the space time eigenstructure of signals,a novel wideband spectral correlation space time DOA matrix method is proposed in this paper to estimate the 2 D DOA of wideband signals.
该方法利用信号的循环平稳特性实现了对宽带信号的有效处理 ,同时通过空时变换将传统的一维空域处理拓展到了二维空时处理 ,更充分地利用了信号的时域特征 ,从而大大简化了阵列结构 ,提高了算法的性能。
2.
Their performances were proved to be ineffective when they were applied to deal with wideband signals.
传统阵列信号参数估计方法建立在平稳窄带假设基础上，在处理宽带信号时，其性能已经失效。
6) signal bandwidth
信号带宽
1.
The estimation of baseband signal bandwidth of BPSK signal Based on FPGA;
基于FPGA估计基带BPSK信号带宽
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