研究去除多普勒频率估计野值点的方法。
A method of removing the estimating outliers of Doppler frequency is studied.
利用多普勒频率控制起爆就是方法之一。
Making use of Doppler shift to control explosion is one method.
模拟器主要完成多普勒频率模拟和距离模拟。
The simulator can mainly simulate the doppler frequency and range.
由于外差或频差效应,能够得到多普勒频率。
The Doppler frequency can be obtained as a heterodyne or beat effect.
雷达系统中,相位编码信号对多普勒频率非常敏感。
In the system of radar, Doppler frequency is very sensitive to the coding signal.
多普勒频率的测频精度愈高,反演口径分布的误差愈小。
The higher accuracy of measuring the Doppler frequencies, the less error of the aperture distribution.
常规的ISAR成像方法是利用散射点的多普勒频率来成像。
The conventional ISAR imaging method is based on the instantaneous Doppler of scatterers .
其频率高,可获得更大的多普勒频率,更有利于慢速目标的检测;
With the high frequency, it can get great Doppler frequency which be propitious to measure slow velocity.
该算法利用相邻回波的多普勒频率基本相等的特性对回波进行对消;
The returns can be cancelled through the algorithm which utilizes the characteristics that neighbouring returns have approximately equal Doppler frequency.
本文选用多普勒频率变化率定位法作为海上无源探测系统的定位方法。
The paper selects the Doppler changing rate method in naval passive location system.
在时间域考虑了测量噪声,使得多普勒频率估计的似然概率达到最大。
By maximum likelihood estimation, the likelihood probability of estimating Doppler frequency is maximized.
在卫星导航定位系统中,多普勒频率偏移是影响接收机性能的关键因素之一。
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.
本发明揭示了一种在GNSS接收器中搜寻多普勒频率的方法及相应的相关器。
The invention discloses a Doppler frequency searching method in a GNSS receiver and a correlator thereof.
在均匀线阵存在误差的情况下,提出了一种信号波达方向和多普勒频率的估计方法。
An estimation method of direction of arrival (DoA) and Doppler frequency for signals in the presence of array errors is proposed.
本方法对目标回波信号采用了相干视频模拟法,在视频上模拟目标回波的多普勒频率。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
最后通过定义一个特殊的四阶累积量提取加性高斯有色噪声中的方向角、多普勒频率。
A special four order cumulant was defined to extract DOAs and Doppler frequencies from additive Gaussian colored noise.
本文讨论了多普勒频率信息在辐射源无源定位和基于第三方辐射源无源定位中的应用。
In this paper, the applications of Doppler frequency information in the passive location of emitter source and the passive location of the third part transmitter have been discussed.
利用瞬时多普勒频率与波束斜视角的对应关系构造出一种具有闭合解的距离弯曲因子。
A close-form range curvature factor is constructed through the correspondence of the instant Doppler frequency to the squint angles.
但是,单靠中国余数定理仍无法解决距离测量和多普勒频率测量中的误差和遮挡问题。
But the Chinese Remainder Theorem cannot solve the error and the blind region made in range and doppler velocity measurements.
利用现代谱估计的算法,在DSP芯片中对检测车辆雷达运动产生的多普勒频率进行频谱分析。
With modern spectral estimation algorithm, spectrum analysis on Doppler frequency caused by vehicles radar movement is carried out in DSP chip.
研究轨道倾角、轨道高度、GPS天线仰角和轨道偏心率等因素对多普勒频率搜索范围的影响。
The orbital inclination, orbital altitude, elevation of GPS antenna and orbital eccentricity were researched as the influential factors to doppler range.
二相码信号广泛地应用于雷达系统,文中针对其对多普勒频率敏感的问题提出了一种补偿算法。
For binary phase-coded signal sensitive to Doppler frequence, a new compensation algorithm is introduced in this paper.
本文在测风数字信号处理技术要求的基础上,讨论了如何具体的实现多普勒频率和风速的计算。
The article discusses how to realize the Doppler frequence and the speed of the wind based on the Doppler wind lidar technical requirements of Digital signal processing.
本文介绍了对连续波雷达的多普勒频率信息,用自定位技术获得高精度的弹道位置参数的一种方法。
In this paper, a self-position technique is introduced to obtain high accuracy position parameters from doppler frequency.
利用相位编码信号探测高速运动目标时,存在多普勒频率敏感性问题,需要对多普勒频率进行补偿。
When detecting the high-speed moving target by using phase-coded signals, Doppler frequency compensation is necessary because of the Doppler frequency sensitivity of phase-coded signals.
在这期间,目标本身的多普勒频率又是变化的,当多普勒频率变化率较大时,容易产生频普的混叠。
During this while, the Doppler frequencies of the targets are changing and the spectrum of these targets are easy to arise a aliasing error when the rate of Doppler frequencies is large.
跳频信号中载频的跳变会引起多普勒频率的变化,这对距离的处理产生影响,必须进行速度门的处理。
It will be affect the range processing that the frequency agile of carrier in frequency agile signal arouse the variety of Doppler frequency, so the compensate of velocity door is obligatory.
针对利用导弹引信多普勒频率数据求取脱靶量的问题,提出了一种非线性最小二乘优化参数估计方法。
In regard of evaluating miss distance of using missile fuze Doppler spectrum data, a optimizing parameter estimated method of nonlinear least square is put forward.
在各阵元增益幅度不一致的条件下,提出了一种起伏目标的二维方向角和多普勒频率盲估计的新方法。
A new blind estimate of 2d Angle and Doppler frequency for fluctuating target signals was proposed with sensor gain uncertainties.
该算法具有相对频率估计精度高、解模糊过程简单、运算量小、多普勒频率变化率测量精度高等优点。
The relative frequency and Doppler frequency rate estimation accuracy is high, and the process of solving the ambiguity is simple.
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