A raid cluster resolution scheme is proposed based on joint range-Doppler processing.
本文提出一种基于距离—多普勒二维联合处理的群目标分辨方法。
The Range-Doppler theory was introduced especially and applied to SAR image ortho-rectification and realized with programs on the computer.
阐述了距离-多普勒理论，并将该理论应用到SAR正射纠正，进行了计算机实现，设计了相应的程序模块。
The image-formation of the motion compensated data is carried out by FFT range-Doppler processing and superresolution processing respectively.
我们对完成了运动补偿的等效转台数据进行了FFT—距离多普勒成像和超分辨成像。
With adoption of the hopped-frequency pulses as a radar waveform for imaging targets, a novel algorithm for range-Doppler imaging of rotating targets is proposed.
该文采用跳频脉冲信号作为成像雷达信号形式，研究了一种雷达等效转台目标距离-多普勒成像的新算法。
The synthetic aperture imaging algorithm is one of the key of the synthetic aperture radar technique, and the range-doppler algorithm is the most classical and common algorithm.
合成孔径成像算法是合成孔径雷达技术中的关键技术之一，距离多普勒算法是成像算法中最经典最常用的算法。
After comparison of several location methods of remote sensing image, Range-Doppler (R-D) theory is proved to have advantages as the footstone of pixel location model of SAR image.
本论文分析和比较了多种遥感图像的定位方法后，指出了距离—多普勒(R - D)定位原理作为SAR图像象素绝对定位模型的优势。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上，提出了一种高耦合系数条件下径向速度估计的新方法。
The special relationship among signal bandwidth, center frequency and imaging squint angle in the Range-Doppler imaging algorithm and other methods is also presented in the Chapter 3.
本章通过分析提出了距离多普勒等成像方法中信号带宽、工作频率和成像斜角之间存在的特定关系。
Abstract : When using the Range-Doppler model for SAR image geometric correction, the error of satellite orbit, imaging parameter and DEM elevation will affect the geometric correction accuracy.
摘要 ：使用距离多普勒模型进行SAR影象几何校正时，卫星轨道误差、系统成像参数误差和DEM高程的误差会影响几何校正精度。
But these signal problems of range-Doppler coupling and low data ratio are still not solved completely although some encouraging results have been obtained and applied in the radar system design.
现代雷达为获得较高的距离分辨力通常采用编码频率脉冲串信号和步进频率脉冲串信号，但都存在数据率低和较为严重的距离-多普勒耦合问题。
This new algorithm can be available for the ISAR imaging of both the maneuverable and stationary targets, and the imaging definition is superior to the traditional range-Doppler imaging algorithm.
该算法可适用于机动目标和平稳目标的ISAR成像，其成像清晰度优于传统距离-多普勒算法。
LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequency shift and rapid fluctuation compared to ordinary communication system.
相对于一般的通信系统而言，低轨卫星通信系统具有信号动态范围大，多普勒频移大且变化速度快，信道起伏剧烈等特点。
Quantitative analysis of Doppler uncertainty range is derived. A method for compressing Doppler uncertainty is presented.
对多普勒不确定范围做了定量分析，提出了压缩多普勒不确定范围的方法。
The study indicated that in the clinical application of color Doppler valve regurgitation, color Doppler jet area has a certain semiquantitative value with a small range of jet velocity.
研究提示临床超声诊断瓣膜返流时，在返流速度范围较小的条件下，彩色多普勒返流面积具有一定半定量诊断意义；
The orbital inclination, orbital altitude, elevation of GPS antenna and orbital eccentricity were researched as the influential factors to doppler range.
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。
On the bases of analyzing triangle wave form modulated LFM, the method of using DDR (Dual Channel Directional Doppler range) technique to eliminate the influence of speed to range is presented.
在分析三角波调制的线性调频信号的基础上，提出了用DDR技术消除速度对测距的影响方法。
Several important parts are analysed and discussed, which include echo signal, azimuth processing, range processing multi-looks processing and Doppler parameters estimation for spaceborne SAR.
分别对星载sar处理的雷达回波信号、距离处理、方位处理、多视处理和多普勒参数估计几个主要部分进行了分析和讨论。
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.
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。
The rationale of the measurement is to use range and doppler resolution so as to distinguish various reflecting points of a moving target.
其基本原理是利用了距离，多普勒分辨力来分离散射点，以使视角平面内目标的边界尺寸可以测量。
The simulator can mainly simulate the doppler frequency and range.
模拟器主要完成多普勒频率模拟和距离模拟。
There exist ambiguities of range and velocity in the signal detection of pulse Doppler radar.
脉冲多普勒雷达在信号检测时存在距离模糊和速度模糊的问题。
This dissertation puts forward a kind of sensor with wide measure velocity range based on the Doppler Frequency Shift and all-fiber path, namely Doppler Fiber Velocity sensor.
本文提出了一种基于多普勒频移的全光纤光路宽速度测量范围的测速传感器——多普勒光纤速度传感器。
The symbol of Doppler correction for pseudo range observations is the same as that of the rate of pseudo range variation.
伪距观测值的多普勒改正的符号与伪距变化率的符号相同。
The new algorithm has better performance than the Sunzi algorithm because it can rectify the measurement error and can resolve Doppler ambiguity as well as range ambiguity.
这种算法对测量误差不敏感，而且既可以解距离模糊又可以解多普勒模糊，所以它的性能优于孙子定理算法。
In the research on the SAR imaging algorithm, range Doppler algorithm and range migration algorithm are implemented.
在对合成孔径雷达成像算法的研究中，实现了距离多普勒算法和距离徙动算法。
A method of phase code named SZ code to mitigate range ambiguity applied on a pulse Doppler weather radar is introduced.
描述一种被称为SZ相位编码的解距离模糊方法在脉冲多普勒气象雷达中的应用。
It obtains its high resolution in range by transmitting LFM signal and that in aspect by utilizing the Doppler information among the pulsed echoed signal.
它通过发射线性调频(lfm)的脉冲压缩信号实现距离上的高分辨率，利用脉冲之间的多普勒信息获得方位上的高分辨率。
In this paper, the influence of doppler effect on GPS pseudo range measurement is described and the model of doppler correction for GPS pseudo range measurement is established.
论述了多普勒效应对GPS伪距测量的影响，建立了GPS伪距测量多普勒改正的模型。
But the Chinese Remainder Theorem cannot solve the error and the blind region made in range and doppler velocity measurements.
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。
A detailed analysis is made on the echos Doppler spread and range spread caused by body target spread, and on their influence on ranging.
从理论上分析了由于体目标引起的引信回波信号的多普勒展宽和距离展宽问题，以及它们对近距离扩频测距的影响。
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