给出了单脉冲雷达数字接收机和差三通道幅相不平衡的一种校正方法,介绍了这种方法在实际雷达系统中的应用。
A correction method of amplitude-phase imbalance for digital receiver of a monopulse radar is presented, and its application in a real radar system is introduced.
首先对机载微脉冲激光雷达探测的数据进行校正。
Firstly, the detecting data of airborne micro-pulse lidar is sorted and calibrated.
介绍了示样脉冲DRFM原理、相位校正和优缺点;
The sample pulse DRFM principle phase correction advantages and disadvantages are introduced either.
根据非平静大气下弹箭运动方程组,针对航弹在风影响作用下产生的落点散布,采用脉冲修正方式对航弹落点偏差进行风校正。
According to the motion equation in the non-quietude atmosphere, the authors calculate the dispersions of bomb on the effect of the wind have adopt and the pattern of the impulse correction.
同时,使用窄脉冲横波换能器,并对其偏振特征进行校正,以及借助辅助测试可以大大提高测试精度。
In addition, observation precision can be greatly improved by using spike pulse shear wave transducer with corrected polarization, and assisted testing methods.
该方法以计数器法测取脉冲的主体宽度,用时间-电压转换法测取脉冲的零头时间,并以此作为量化误差的校正值。
In this method the main part of the pulse width is measured by counter, and the odd of the pulse width is measured by time-voltage conversion method.
离线校正的方法是现阶段单脉冲雷达系统进行和差通道幅相校正采用的主要方法,它通过注入测试信号的方法来得到对误差接收通道幅相特性的估计。
The former one is now widely used in the monopulse system to calibrate the amplitude and phase imbalances between the sum and difference channels by injecting test signals.
离线校正的方法是现阶段单脉冲雷达系统进行和差通道幅相校正采用的主要方法,它通过注入测试信号的方法来得到对误差接收通道幅相特性的估计。
The former one is now widely used in the monopulse system to calibrate the amplitude and phase imbalances between the sum and difference channels by injecting test signals.
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