The condition for systems to have Linear characteristic coefficients is studied in this paper.
本文研究了系统具有线性特征系数的条件。
It is also demonstrated that the AGC systems with exponential gain control characteristic may strictly be transformed into a linear system by using any logarithmic amplifier.
在比较器和受控放大器之间接上一个对数放大器，就可以使增益控制特性为指数函数的AGC系统严格线性化。
The characteristic of arrayed waveguide gratings is analyzed with the linear systems theory and the optical grating equation is educed.
运用线性系统理论分析了阵列波导光栅的模场特性，导出器件传输的数学模型即光栅方程。
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