针对脉冲高度表,提出了跟踪门阻塞干扰和强制捕捉干扰两种干扰模式,并分别给出了干扰信号形式和干扰能量方程。
Aimed at the pulse radar altimeter, two jamming modes, namely, track-gate barrage-jam and coercive capture jam are advanced.
本文通过对电火花线切割加工工艺规律的分析,选取影响工艺效果的主要因素:工件厚度、脉冲宽度、脉冲间隔、脉冲高度,作为输入向量。
By analyzing the law of WEDM processing, this article selects the main factors affecting process: the thickness of the work-piece, pulse width, pulse interval, pulse height, as the input vectors.
这架飞机上的一个探测设备记录下它收到脉冲反向散射所需时间而且这个时间可用于计算到森林树冠层和到树冠层下土壤的距离,以此而计算出树干高度。
A sensor on the aircraft records the time it takes to receive the backscattering of pulses, and that is used to compute distances to the forest canopy and to the soil beneath.
之后激光高度计将参照光速,计算出反射脉冲的渡越时间,从而获得飞船与月球表面之间的距离。
From the return pulse, LOLA determines the time of flight which, accounting for the speed of light, reveals the distance from the spacecraft to the lunar surface.
月球探测器上的激光高度计(LOLA)的工作原理为:发射一束激光脉冲,利用光学镜片将其分为五道光线,当光线到达月球表面后会自动反射至激光高度计上。
The lunar Orbiter laser Altimeter (LOLA) works by sending a laser pulse through an optical lense that splits it into five beams that are each scattered back after they strike the lunar surface.
在自由空间量子密钥分配中,单光子源采用具有泊松分布的高度衰减激光脉冲,量子密码术协议采用BB 84和B92协议。
Highly attenuated laser pulses with Poisson distribution are used as single-photon sources and the BB84 and B92 protocols are used for free-space quantum key distribution.
随着外加脉冲偏压的增大、脉冲时间的增加,加工得到的点状纳米结构的高度和半径会随之增加。
It is concluded that the height and the radius of nanostructures increase with the raising of the applied voltage and the pulse time.
一个高度敏感的接收器将每个反射脉冲转换,使其与其他测量脉冲波相平均。
A highly sensitive receiver converts each reflected pulse to waves that are averaged with other pulse measurements.
由于负向电流可以腐蚀削减铸层表面微观突起的生长高度,因此周期换向脉冲电流微电铸与单向正脉冲电流微电铸相比更易获得较好的铸层均匀性。
Because the height of micro tips on cathode surface can be eroded by the negative current, surface finishing is better in the micro-electroforming by periodic reverse pulse current than pulse current.
结论超声激励脉冲编码技术是一项有价值的诊断技术,对RA和OA的诊断具有高度的特异性和敏感性。
Conclusion: Ultrasonic excitation of pulse code is helpful and therefore has a high specificity and sensitivity in the diagnosis of ra and OA.
除此之外,简单脉冲多普勒体制高度表也很难满足现代复杂电磁环境下抗干扰能力的要求。
Moreover, simple pulse Doppler radar altimeter system can't satisfy the demands for anti-jamming in complex electromagnetic environment.
本文主要介绍一种新型脉冲雷达高度表,装于CK1E超低空靶机模型上静态测高的试验方法和结果。
This paper mainly introduces a test method of altitude measurement in a static state for a new type of a pulse radar altimeter installed in a CK1E target drone model.
本文主要介绍一种新型脉冲雷达高度表,装于CK1E超低空靶机模型上静态测高的试验方法和结果。
This paper mainly introduces a test method of altitude measurement in a static state for a new type of a pulse radar altimeter installed in a CK1E target drone model.
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