本文介绍一种采用宽带雷达分析仪进行雷达信号矢量分析的方法。
This paper introduces the method on how to use wideband radar analyzer to do vector analysis of radar signal.
正弦信号矢量电压的测量,是可以从取样得到的时间离散信号序列中获取。
The measurement of vector voltage can be got from the discrete sequential data of a sampled singal.
它的中心思想是:采用编码的方法将信号空间做最佳划分,使的已调信号矢量端点之间有最大的欧式距离。
Its basic idea is to partition the constellation optimally by coding, so that the maximal distance between the modulated signal vectors can be obtained.
这些时刻的观测信号矢量就是对混合矩阵中与该源信号对应的列矢量的估计,利用这一性质可以估计出混合矩阵。
The vectors of observation at these instants, are the estimate of the corresponding columns at the mixing matrix.
如何测量回波的多普勒频移,实现测流速的目的。 文中从二维信号矢量的角度分析了多普勒频移调制和解调的过程,推导出提取速度信息的信号处理方法。
Using two-dimensional signal vectors, the process of Doppler shift modulation and demodulation is analyzed, and a signal processing method for extracting flow speed information is derived.
该方法可直接获得导向矢量的闭式估计,并且该方法可适用于阵列远场、近场接收信号模型。
This method can obtain the estimation of the steering vector directly and is adaptive to both far field and near field models.
着重介绍了矢量信号处理模块的硬件设计以及互谱算法的软件实现。
The paper focuses on the hardware design of vector signal processing module and the software realization of cross'spectral algorithm.
论文中选用TMS320F 240数字信号处理芯片作为系统的主控芯片,实现了全数字化的直接磁场定向的矢量控制系统。
TMS320F240 digital signal processor that is selected as the main CPU in the system realizes the full digital vector control system.
该算法把常规自适应天线相消法的权矢量向信号子空间投影,减小了噪声子空间对权矢量的影响。
The algorithm projects the LC- MVB weight vector onto the signal subspace, thus the effect of the noise subspace on the weight vector is reduced.
该算法先通过格矢量量化技术对经dWT变换后的宿主图像的系数矢量进行格矢量量化,然后将水印信号嵌入到量化后的系数中。
At first, it quantizes the image coefficient vector gotten from DWT with the lattice vector quantization technology, then imbeds the watermark signal into the coefficient.
常规多信号分类(MUSIC)在估计信号或噪声子空间时未利用阵列的方向矢量信息。
Information on the steering vector is not exploited when estimating signal or noise subspaces in the standard multiple signal classification (MUSIC) method.
系统采用空间电压矢量脉宽调制技术得到逆变器的开关控制信号。
The control scheme gets the switch control signal of inverter with the space voltage vector modulation technology.
以空间矢量调制方法来获得逆变器的开关信号,实现了小的转矩脉动和恒定的开关频率。
The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency.
针对上述问题,给出了一种通过细化电压矢量合成扇区和开关信号选择表,优化定子磁链补偿电压的改进方法。
To solve these problems, a modified method is presented, which subdivides the voltage vector sectors and switching signal selection table, and optimized stator flux compensating voltage.
这是声矢量信号处理的物理基础。
This is the physical fundament of acoustic vector signal processing.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比,实现异步电动机的速度调节。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
相对于传统的声压水听器矢量水听器检测技术能检测到的包含空间方位信息的声矢量信号。
Compared with traditional transducer, the vector detection technique can get the acoustic vector signal's spatial direction information.
在未知阵列响应矢量的条件下,利用信号的多普勒信息,估计出期望信号的波达方向。
The Doppler frequency of signals was used to estimate the direction of arrival (DOA) of desired signal with unknown array response vector.
提出了一种应用小波变换提取分类特征的基于支撑矢量机的通信信号调制识别方法。
A new method of modulation identification for communication signals, using wavelet transform to extract characteristics and based on support vector machines (SVM), is proposed.
对矢量水听器信号处理国内外研究现状进行了介绍。
Introduce researches about signal processing of the vector transducer both native and foreign.
根据阵列信号处理原理,对单个电磁矢量传感器分析,并进行DOA估计。
Single electromagnetic vector sensor array is analyzed and DOA estimation in terms of the principles of array signal processing.
利用矢量信号分析仪对调制器进行了测试。
The implemented wideband modulator is tested by the VSA(vector signal analyzer).
通过研究多径信号频域码空间和数据矢量空间,采用噪声子空间技术进行盲信道估计。
By investigating the code space in frequency domain and the data vector space of the multipath signals, the noise-subspace-based approach is used to perform blind channel estimation.
本文针对水声环境和信号的特点,提出了一种基于矢量传感器阵的盲波束形成算法。
In this paper a blind beamforming algorithm based on vector sensor array is presented according to the characteristics of underwater acoustic environment and acoustic signal.
在软件方面,详细介绍和分析了矢量信号解调分析软件设计与实现,其中包括载频频偏计算、幅度和群时延补偿、脉冲成形滤波器设计等。
It describes clearly the software of vector signal demodulation, including the frequency offset calculation, magnitude and group-delay compensate, and pulse shaping filter.
数字信号的时域分析有眼图、矢量图、星座图、相关性、同步等途径。
The methods of Time-Domain Analysis consist of eye diagram, vector diagram, constellation diagram, correlation, synchronization, etc.
它基于矢量求和的原理,使用精密的整流器,把交流信号转换成直流信号处理。
It is based on the principle of vector summation. Using precision rectifier, the AC signal transfers into DC signal.
它基于矢量求和的原理,使用精密的整流器,把交流信号转换成直流信号处理。
It is based on the principle of vector summation. Using precision rectifier, the AC signal transfers into DC signal.
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