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相参信号
相关语句
  coherent signal
     The Result of Incoherent Signal in Coherent Signal Process
     非相参信号在相参处理中的响应
短句来源
     The characters of radar's coherent signal process are analyzed. The procedure of coherent signal process is emulated. And the incoherent signal's response is gotten.
     分析了雷达相参处理的过程以及相参处理特点,仿真了非相参信号在相参处理器中的响应,对雷达对抗领域干扰信号的研究和设计具有一定的参考作用。
短句来源
     A new approach of DF(direction finding) based on two dimensions Fourier transform spatio-temporal spectral estimation technology is studied. The spatio-temporal spectral estimation theory expression based on sine coherent signal is proposed. DF performance of this method is analyzed particularly.
     应用二维傅立叶变换的时空谱估计技术研究了测向问题,给出了基于正弦相参信号时空谱的测向理论表达式,并详细分析、评估了本测向方法的性能。
短句来源
  correlative signal
     Spectrum Estimating of Correlative Signal
     相参信号频谱的精确估计
短句来源
  “相参信号”译为未确定词的双语例句
     the principal of generating signal by DDS , these signals include general pulse, linear frequency modulation, nonlinear frequency modulation and phase modulation; analysis of equally-divided method for nonlinear frequency modulation, compiling DSP program; the communication protocol between DSP and embedded system, and so on.
     软件部分,主要研究并解决了以下问题:雷达信号模拟原理,雷达目标截面积的反演法求解,DDS生成多个相参信号的补相原理,用DDS生成常规脉冲、线性调频、非线性调频、相位编码信号的原理,非线性调频信号分段近似法的分析,系统的DSP软件实现,CPLD的DSP并行配置以及DSP与嵌入式计算机之间的通信协议等。
短句来源
     It comprises of two sections: Microwave section and MM-wave section. Microwave section includes DDS、PLL and X band frequency multiplication chain.
     系统分为微波与毫米波两大部分,微波部分综合利用了DDS、LO混频锁相环和RF混频锁相环实现两路频差15MHz的X band全相参信号;
短句来源
     Two coherent signals with different primary phases radiated by two orthogonal in-space linear polarization antenna elements form an elliptical polarization wave.
     两个初相不同的相参信号由两个在空间上正交的线极化天线单元辐射,将形成椭圆极化波。
短句来源
     A high performance digital IF radar receiver which uses IF echo and COHO joint process algorithm, field sampling, field processing and remote transmission is introduced. Its performance can meet the requirements of modern high performance radar system.
     采用中频回波和中频相参信号联合相干处理 ,现场采样 ,现场处理 ,远程传输的体系结构实现了高性能数字中频雷达接收机 ,其性能可以满足现代高性能雷达系统的需要
短句来源
     The close distance between moving and quiescent target spectrum caused by the moving carrier, Compensation was realized through the coherence signal parameter was changed.
     当舰速造成动静目标回波频谱太近时,须改变其相参信号实现补偿。
短句来源
  相似匹配句对
     Spectrum Estimating of Correlative Signal
     相参信号频谱的精确估计
短句来源
     The Result of Incoherent Signal in Coherent Signal Process
     非相参信号相参处理中的响应
短句来源
     Signal transduction of ataxia-telangiectasia
     AT的信号传导
短句来源
     New method to realize remote signal measure
     信号遥测方法
短句来源
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  coherent signal
For a coherent signal, the time cross-correlation function is formed with the use of either the total signal, or a single selected mode, or a reference signal at one of the correlator inputs.
      
The problem of bearing estimation of coherent signal impinging on an array of arbitrary geometry is studied.
      
The Direction-Of-Arrival (DOA) estimation with Coherent Signal Subspace (CSS) is not easy to extend from narrowband to wideband case.
      
The statistical properties of the laser field (photon statistics) are studied under the combined action of fluctuations due to spontaneous emission processes and an external coherent signal.
      
For small photon momenta there is a coherent signal in the fragmentation regions proportional to the squared number of participant protons.
      
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  correlative signal
This could depend on known traits of auxin acting as a correlative signal of growing branches.
      


Two coherent signals with different primary phases radiated by two orthogonal in-space linear polarization antenna elements form an elliptical polarization wave. The relationships of polarization ellipse parameters with two electrical fields formating the elliptical polarization wave are discussed in this paper. The expression of an elliptical polarization wave in terms of two circular palarization waves (RHCP and LHCP)is also derived.

两个初相不同的相参信号由两个在空间上正交的线极化天线单元辐射,将形成椭圆极化波。本文讨论表征椭圆极化波的极化椭圆参数与形成这一椭圆极化波的两个空间正交场强之间的关系及有关公式的推导问题。

In this paper, a radar target analogue is introduced.Two microwave synthesized source which haveexternal time base function are used as radar return signal and clutter sources.Their external time base is used radar coherence signal input.Video pulse delay and doppler shift can be controled by computer in order to modullate the relative distance and velocity between the radar and a target.In this analogue .an antenna which is commonly used by the transmitter and the receiver is installed at a rotary machine for...

In this paper, a radar target analogue is introduced.Two microwave synthesized source which haveexternal time base function are used as radar return signal and clutter sources.Their external time base is used radar coherence signal input.Video pulse delay and doppler shift can be controled by computer in order to modullate the relative distance and velocity between the radar and a target.In this analogue .an antenna which is commonly used by the transmitter and the receiver is installed at a rotary machine for checking the angle tracking function of a radar.

介绍一种雷达目标模拟器,用两台高稳定度且具有外时基功能的频率合成微波信号源分别作为回波信号及杂波信号载波源,其外时基口作为雷达相参信号输入口。视频脉冲延时及多普勒频移都可由计算机控制,模拟雷达与目标之间的不同距离及相对速度,模拟器收发共用一付天线,天线安装在可旋转机构上,用以检测雷达角跟踪能力。

An approach of least squares is presented in digital receiver. The performance of proposed approach is analyzed. Some typical radar signals are calculated. The result shows the image power (IP) is lower than -60dB in optimized system. It is suitable for a modern radar coherent DSP.

提出了数字正交接收机中正交 (I,Q)通道恢复的最小二乘实现方法 ,详细分析了该方法的性能。针对现代雷达中的几种典型信号进行了仿真计算。结果表明 ,适当选取系统参数可使正交输出的镜像功率 (IP)低于- 6 0dB ,满足现代雷达相参信号处理的要求。

 
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