距离分辨率

一种提高距离分辨率的FMCWSARRD成像算法

A RD Imaging Method for Improving Range Resolution of FMCW SAR

本文介绍了步进频率高距离分辨率信号，分析了运动速度对该高距离分辨率信号的影响，提出了基于多散射中心联合检测（M／N检测）的速度环路补偿方案。

Stepped frequency high range resolution signal was present . The velocity influence on the high range resolution signal was analyzed . A velocity compensation method based on multi range cells combined detection ( M / N detection ) was put forward .

测温距离分辨率1m；

The distance resolution is 1 m ;

利用高分辨阵列处理算法实现重叠回波时延超分辨是扩展雷达距离分辨率的有效方法，而降低这类算法适用的信噪比（SNR）门限是其能否实用的关键。

Estimating the arrival time of overlapping echoes by high resolution array processing algorithms can efficiently expand the ability of target resolution in radar .

推导了立体视差法中距离分辨率，探测范围、探测距离、两CCD摄象机的间距及CCD本身各参数之间的关系。

The relations among the resolution of the range , the detection space , the detecting range , the separation between two CCD cameras and parameters of CCD itself are derived in the paper .

LFMburst工作模式在不增加系统瞬时带宽的条件下，可以成倍地提高雷达的距离分辨率；

Integration was accomplished later among these bursts to improve the range resolution . LFM burst mode can raise the radar range resolution several times without widening the system bandwidth .

利用阶跃脉冲代替传统时域反射计（TDR）中的测试矩形脉冲，可较好地解决距离分辨率的问题。

Using of the step pulse to replace the rectangle pulse of tradition test , the problem of the distance resolving power is better solved .

基于Li和Wang提出的提高距离分辨率有利于提高距离像的姿态稳定性这一结论，不少研究者利用超分辨距离像进行目标识别。

Based on the conclusion drawn by Li and Wang that radar with higher range resolution can provide better tolerance to aspect variation , a lot of work has been done on radar target recognition using super-resolution range profiles as features .

高距离分辨率雷达技术的发展为RATR的研究提供了强有力的技术支持。

The development of high range resolution radar has given strong support to RATR .

超宽带THz雷达以其长距离分辨率、强穿透力、低截获率和强抗干扰性等特点在军事领域得到了日益关注。

Ultra-wide band THz radar , well known for its high range resolution , powerful penetration , low probability of intercept and robust jamming immunity , is paid more attention by military requirements .

用X波段气象雷达对降雨精细结构观测，获得了125m高距离分辨率的降雨反射率数据。

In order to observe fine structures of rainfall , the rainfall radar reflectivity data with a high range resolution of 125 m were obtained by using a ground-based X-band meteorological radar .

毫米波VCO是毫米波应用系统的关键部件之一，FMCW雷达的距离分辨率正比于VCO电调线性度。

The millimeter wave VCO is one of key elements in millimeter wave application systems . The range resolution of the FMCW radar is directly proportional to the VCO tuning linearity .

线性调频连续波（FMCW）信号的线性度是衡量线性调频源质量的一个重要指标，在雷达测距系统中，它决定着雷达的距离分辨率。

The linearity of the FMCW signal is an important index to appraise the frequency modulated source . It determines the radar range resolution in the system of radar range .

经过外场的静、动态试验，系统最终达到的距离分辨率小于1.5m。调频线性度与零差拍线性调频连续波雷达的距离分辨力

Using static and dynamic methods in the test , the range resolution of the system is less than 1.5 meter . Sweep Linearity Effect on Linear FMCW Radar Range Resolution

UWB雷达以其高距离分辨率、强穿透能力、低截获概率与强抗干扰性能在军事、民用等领域具有广泛而重要的应用前景，并得到人们日益关注。

UWB radar , well known for its high range resolution , power penetration , low probability of intercept and robust jamming immunity , is paid more attention to and has a broad and important prospect in military and civilian applications and so forth .

线性调频连续波（LFMCW）雷达具有低截获概率、距离分辨率高等优点，近年来对它的研究和应用越来越广泛和深入。

Liner Frequency Modulation Continuous Wave ( LFMCW ) radar , with its numerous advantages including LPI and high range resolution has been widely used and deeply researched recently .

为实现系统的小型化，雷达收发单元采用了固态发射机和微带天线，并利用SAW器件完成大时宽&带宽积线性调频信号的产生和脉冲压缩，达到3m斜距离分辨率要求。

For the miniaturization of radar system , solid state transmitter and micro strip antenna are used in the radar transmit receive unit , and the SAW device is used to implement the generation of large time bandwidth product LFM signal and pulse compression with 3m resolution of slant range .

超宽带（UWB）雷达是一种新体制雷达，它的信号带宽很宽，具有高距离分辨率（HRR），在雷达探测、成像、精确定位、目标识别等技术中得到广泛应用。

Ultrawideband ( UWB ) radar is a new type of radar system , and it has high range resolution ( HRR ) because of broad bandwidth . Thus , UWB radar has extended application such as passive target identification , precise position 、 target imaging and discrimination .

高距离分辨率雷达目标的识别

Identification of the High Range Resolution ( HRR ) Radar Target

一种新的高距离分辨率脉压技术的研究

The Study of a New High Range Resolution Compression Technique

高距离分辨率雷达的低空目标高度估计方法

Height Estimation on Low - Altitude Target for HRR Radar

高距离分辨率脉间频率步进系统的探讨

The Discussion of High Range Resolution Stepped-Frequency Pulse Trains System

可应用于调频连续波雷达进行频率测量，能有效地减小测频误差，提高距离分辨率。

It can effective decrease the error and increase the distance resolution .

频率步进波形是通过发射载频步进变化的子脉冲串来合成大带宽信号，从而获得高距离分辨率。

Stepped-frequency waveform achieves large bandwidth by sequentially changing carrier frequency over pulses .

高距离分辨率极化雷达目标匹配识别研究

A Study of High Range Resolution Polarization Radar Target Recognition by Using Matched Correlators

立体视差法中距离分辨率的理论分析

An Analysis of the Resolution of the Range in the Stereo Parallax Method in Theory

基于不变矩识别的激光雷达距离分辨率与图像分辨率研究

The Study of Imaging Ladar Range Resolution and Image Resolution Based on Moment Invariants Recognition

基于M/N检测的高距离分辨率信号的速度补偿

The Velocity , Compensation of High Range Resolution Signal Based on M / N Detection

并分析了距离分辨率、速度分辨率，以及距离速度耦合特性。

The range resolution , velocity resolution and rang-velocity coupling characteristic are also derived and analyzed .

接下来，由已取得的数据即可获得横向距离分辨率。

The cross - range resolution is obtained from the data acquired in the first step .