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- Radar Beam Sharpening 雷达波束聚焦
- Doppler beam sharpening (DBS) is an effective technique to construct the high resolution ground images of airborne PD radar in its air to ground mode. 多普勒波束锐化(DBS)已成为机载脉冲多普勒雷达在空/地工作模式中对地面进行高分辨成像的有效途径,因而受到了国内外广泛的重视。
- The radar beam can track a number of targets almost simultaneously. 雷达波几乎可以同时追着多个目标。
- The aircraft will home in on the radar beam and be directed to its destination. 飞机将在雷达射束的导航下飞向目的地。
- A radar beam picks out the moving target and stays with it all the time. 雷达波束能辨认出活动的目标,并一直跟踪该目标。
- In this way, the missile "rides" the external radar beam to the target. 用这种方法,导弹“驾乘”外部雷达的波束飞向目标。
- Doppler beam sharpening(DBS)technique can provide reference for the location of the moving target detected to attack more accurately and effectively. 多普勒波束锐化成像技术(DBS)能为检测出的动目标定位提供参考,从而有效地实现精确打击。
- This paper deals with doppler beam sharpening( DBS) sub-images combination under scanning mode, and introduces an algorithm for the sub-images combination at constant PRF. 针对扫描工作方式下多普勒波束锐化(bs)像的子图像拼接问题进行了分析,提出了一种在脉冲重复频率固定情况下的图像拼接算法。
- It uses radar beam to sear the shoe upper to form a locating part which can penetrate the surface course. 且利用雷射光束对该鞋面进行烧灼时,可使该鞋面形成有一可穿透该面层的定位部。
- Especially in fog,or at night,and approaching aircraft will home onto a radar beam and in this way be guided to its destination. 特别是遇到起雾或在夜间,接近的飞机由雷达导航飞向目的地。
- Especially in fog, or at night, and approaching aircraft will home onto a radar beam and in this way be guided to its destination. 特别是遇到起雾或在夜间,接近的飞机由雷达导航飞向目的地。
- The AESA fighter jet radar enables the radar beam to be steered for situational awareness and air-to-air and air-to-ground capability. AESA雷达允许雷达波束可以同时进行态势感知扫描和空对空及空对地扫描的能力。
- Technique of Doppler Beam Sharpening for Enhancing Radar Azimuth Resolution 提高雷达方位分辨力的多普勒波束锐化技术
- Tracking twice as many targets as the radar it replaces, the AESA features active electronic beam steering, which allows the radar beam to be repositioned nearly instantaneously. AESA雷达可以跟踪所替代雷达跟踪数量两倍的目标,可对有源电子波束进行控制,其波束近乎瞬间即可重新配置。
- With mechanically scanned systems, antenna inertia and inflexibility prevent employment of optimum radar beam positioning patterns that can reduce reaction times and increase target capacity. 机械扫描系统天线的惯性和刚性使之不能应用能够减少扫描时间和增加跟踪目标数量的最佳雷达波束扫描图形。
- In certain phased array radar, there are only several pluses in a radar beam, which makes against clutter cancellation.The four-pulse canceler is commonly adopted in this instance. 结合某型相控阵雷达的动目标处理系统研制,仿真了工程中采用的四脉冲对消技术和设计级联杂波抑制滤波器的方法,并给出了相应的性能指标。
- SAR IMAGE ENHANCEMENT BASED ON BEAM SHARPENING TECHNIQUE 基于波束锐化技术的SAR图像增强方法
- With electronic scanning, the radar beams are positioned almost instantaneously and completely without the inertia, time lags, and vibration of mechanical systems. 电子扫描的雷达波束指向几乎是瞬间的,而且完全没有惯性、时滞和机械系统的振动。
- The radar battle still rages today with the development of Stealth bombers, which avoid detection due to a radar absorbent surface and by bouncing radar beams off at angles. 随着隐形轰炸机的发展,雷达战时至今日仍然十分盛行,这都是由于雷达表面的吸收剂能够在某一角度弹回波信号。
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。