半导体光电, 2016, 37 (2): 256, 网络出版: 2016-05-11  

PSIM系统稳定性自校准原理理论分析

Theoretical Analysis on Principle of Stability Calibration Automatically for PSIM System
作者单位
安徽大学 物理与材料科学学院, 合肥 230601
摘要
针对偏振光谱强度调制(PSIM)系统存在的环境稳定性问题,在PSIM系统实现偏振光谱信息调制解调机理的前期研究基础上,经过严格的理论推导,提出了一套基于傅里叶变换、滤波和傅里叶逆变换等数字信号处理过程的PSIM系统环境稳定性实时自校准算法流程。该算法流程可以从PSIM系统的实测数据中分离出因环境扰动而引入的变化量,实现PSIM系统解调系数自校正,从而有效增强PSIM系统的环境适应能力。
Abstract
A set of environment stability real-time self-calibration algorithm procedure for PSIM is presented, combining digital signal processing of FFT, filtering and IFFT etc., to resolve the problem of PSIM environment stability. The algorithm is set based on strict theoretical derivation and earlier research on the mechanism of how the PSIM modulates and demodulates the spectropolarizaton information. The demodulation coefficient of PSIM can be self-calibrated, as its variation introduced by environmental disturbance can be isolated from the measured data of PSIM system by the algorithm procedure, and so the environment adaptability of the PSIM can be enhanced effectively too.

宋志平, 张明辉. PSIM系统稳定性自校准原理理论分析[J]. 半导体光电, 2016, 37(2): 256. SONG Zhiping, ZHANG Minghui. Theoretical Analysis on Principle of Stability Calibration Automatically for PSIM System[J]. Semiconductor Optoelectronics, 2016, 37(2): 256.

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