The amount of calculation is greatly decreased over high frequency zones by using high-frequency approximation method.
采用相对相位叠加的高频近似方法，处理天线阵高频区散射的计算，大幅减少了计算量。
The high-frequency approximation solution that includes the caustic region is obtained with the method combining the geometrical optics.
解决了几何光学法无法在焦散区求解的问题。
A hybrid technique for calculating the scattering of two-dimensional large bodies with slots is developed by combining high-frequency approximation method with low-frequency numerical method.
本文利用高频近似方法与低频数值方法相结合的混合方法计算二维开槽电大目标的散射。
For a Doppler radar homing seeker with high pulse repetition frequency, the continuous wave approximation is not only simple, but also has a high calculation accuracy.
对于使用高脉冲重复频率的主动多普勒雷达导引头，连续波近似法不仅计算相对简单，而且可以给出较高的计算精度。
A new symplectic geometrical high frequency approximation method for solving the propagation of electromagnetic wave in an inhomogeneous medium is presented.
提出了一种基于辛几何的高频近似的新方法，并用此方法求解了电磁波在一非均匀媒质中的传播问题。
But when the sampling frequency of successive-approximation ADC is too high, the switched capacitor can't be charged properly. And this will result in too big conversion error.
但当逐次比较式adc的采样频率过高时，会使其内部采样保持的开关电容充电不充分，从而导致ADC转换误差过大。
But when the sampling frequency of successive-approximation ADC is too high, the switched capacitor can't be charged properly. And this will result in too big conversion error.
但当逐次比较式adc的采样频率过高时，会使其内部采样保持的开关电容充电不充分，从而导致ADC转换误差过大。
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