雷达的距离分辨率与发射信号的带宽成反比,要获得大的距离分辨率,必须发射宽带雷达信号。
Radar range resolution is influenced by its bandwidth, in order to obtain high range resolution, radar must emit wideband waveform.
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.
超宽带雷达以其高距离分辨率、强抗干扰性、反隐身等优良特性受到各国日益广泛的关注。
Ultra-wideband radar, well known for its high range resolution, robust jamming immunity and counter-stealth, is paid more attention by the governments of the various states.
在远距离通讯和高分辨率雷达的应用中,要求天线具有高增益,反射面天线是使用最广泛的高增益天线。
High gain antenna is required in the long distance communications and high resolution radar applications in which reflector antenna is the most widely used one.
本文主要研究了基于高距离分辨率雷达像的自动目标识别问题。
Second, a novel method for joint alignment and ATR, which is based on high range resolution profiles, is presented.
调频步进雷达是一种距离高分辨率的雷达体制,但是会产生目标冗余的问题。
Modulated stepped frequency radar is a system to get high resolution range profile with the problem of redundancy.
线性FMCW雷达是一种高距离分辨率雷达,运动补偿是其实现距离高分辨率的核心技术。
Linear FMCW radar is a kind of high-range-resolution radar, and motion compensation is a key problem to realize high range resolution.
正确提取目标强散射中心,并对强散射中心的能量进行有效的积累,是高分辨率雷达距离扩展目标检测的关键。
Extracting main scatter center of the target correctly and accumulating the energy of the main scatter center are the key to the high resolution radar range extension target detection.
随着航空、航天技术的飞速发展,人们对雷达提出了高精度、远距离、高分辨率及多目标测量等要求。
This requires radar with high accuracy, long distance and high resolution and multi-target measure function.
等效斜视的波数域算法是一种适用于大距离徙动高分辨率星载合成孔径雷达成像的优化算法。
Equivalent squint wavenumber domain algorithm is an optimized algorithm suitable for precise imaging of high resolution spaceborne SAR with large range cell migration.
频率步进雷达是一种距离高分辨率雷达,运动补偿是其实现距离高分辨的关键。
Frequency stepped radar is a high range resolution radar, and motion compensation is the key technique to realize high resolution of range.
相控阵雷达天线在进行宽带宽角扫描时,天线波束会“色散”,使得到的距离像展宽,从而降低了系统分辨率。
When phased array radar operates in wideband wide scan condition, the antenna beam is dispersed and thus the distance profile is broadened.
明暗条纹出现的位置和宽度与雷达观测角度、距离向分辨率、以及雷达工作频率等有关。
The position and width of interference pattern were related to the observing Angle, range resolution and carrier frequency.
该方法首先对各距离分辨单元在方位向进行非相参积累,然后利用类似单个脉冲下扩展目标的广义似然比检测器来实现高分辨率雷达的检测。
First, each range resolving unit was accumulated non-inherently in azimuth, and then the detection of HRR target was done with the GLRT detector similar to that of the mono-pulse spread targets.
提出一种宽脉冲等效法,在不降低距离分辨率的前提下可克服雷达多个脉冲回波积累检测时距离走动的影响。
The equivalent wide pulse (EWP) long coherent integrated technique with range resolution capability is proposed which can overcome range migration in a low observable target detector.
其中主要的讨论针对雷达观测资料的切向分辨率随距离的增加而降低的实事,对同一体扫数据处理时,使用随距离变化的阈值。
This paper point out that as the resolution decline with the distance between RAD and reflectivity body, the threshold should change with the distance.
频率步进雷达作为一种高距离分辨率雷达,在精确制导武器中有着广阔的应用前景。
When synthesizing high resolution range profile for stepped-frequency radar, the desire for target velocity compensation accuracy is very rigorous.
脉冲压缩有效地解决了雷达作用距离与距离分辨率之间的矛盾,可以在保证雷达在一定作用距离下提高距离分辨率。
Pulse compression effectively solve the radar range and distance between the resolution, Radar can guarantee a certain role in enhancing distance from the resolution.
脉冲压缩有效地解决了雷达作用距离与距离分辨率之间的矛盾,可以在保证雷达在一定作用距离下提高距离分辨率。
Pulse compression effectively solve the radar range and distance between the resolution, Radar can guarantee a certain role in enhancing distance from the resolution.
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