analytic signal

By using the angular spectrum and complex analytic signal representations, the analytic propagation expression and its Fourier spectrum for ultrashort Gaussian pulsed beams with constant waist width in the far field are derived.

利用角谱法和复解析信号法推导出了等束宽超短高斯脉冲光束在远场的解析传输公式及其傅里叶谱。

Based on the analytic expressions of the IM products, intermodulation distortion ( IMD) sweet-spot and its dependencies on Taylor series coefficients, gate bias, drain bias, temperature, input signal levels and loads are analyzed.

根据二阶和三阶互调失真表达式，分析了互调失真抵消效应及其对泰勒级数系数的本征依赖性和对栅极偏置、漏极偏置、工作温度、输入信号功率大小及负载阻抗的外部依赖性。

Analytic signal analysis in ground-penetrating radar imaging

解析信号分析在探地雷达成像中的应用

Used the analytic hierarchy process to establish the signal road intersection service level quality synthetic evaluation function;

采用层次分析法建立了信号交叉口服务水平的综合评价函数；

An Analytic estimative formula of FFT leakage error for non-integral period sampling is analyzed and derived and in the case of the input signal including fundamental wave and higher harmonics, a new calculating method of realizing the self-adaptive Integral period sampling with FFT iterative calculation is obtained.

分析推导了非整周期采样时FFT泄漏误差的解析估计公式，得出了在输入信号含基波和高次谐波分量的情况下，利用FFT迭代计算来实现自适应整周期采样的一种新算法。