本文介绍一种用于皮秒和飞秒级超短脉冲和超快过程测量的微机控制光学自相关器和实验数据获取与处理系统。
This paper describes a microcomputer controlled autocorrelator and datum acquisition processing system for the measurements of picosecond and femtosecond pulses and dyna-mic processes.
采用频域处理的方法首次在频域标定飞秒激光脉冲干涉自相关迹的时间扫描。
The time delay of interferometric autocorrelation trace of femtosecond pulse was calibrated in frequency domain.
给出用光谱分辨的二次谐波自相关法测量输出脉冲的结果，证实在锁模脉冲中已发生频率调制。
The results of the spectrum-resolved SHG correlation measurements of the mode-locked pulses also are presented, which confirmed the presence of frequency chirping in the pulses.
推导了随机脉位脉冲序列的自相关函数，给出了其功率谱，并与均匀脉冲串的功率谱进行了分析比较。
The autocorrelation function of the randomly staggered pulse sequence is derived, and its power spectrum is given. Comparison with constant pulse-repetition frequencies pulse sequence is also made.
为了评估相关接收机的性能，对设计脉冲信号的自相关和互相关函数的闭合表达式进行了推导；
Closed form expressions of auto-and cross-correlation functions of the novel pulses are also given, which are used to evaluate the performance of the correlator receiver.
首次发现用自相关器可以测量双波段激光脉冲的时间间隔。
It was found for the first time that the temporal interval between yellow and red pulses can be measured by an autocorrelator.
二次谐波强度自相关法是被广泛使用的超短光脉冲波形测量的方法。
And the second-harmonic intensity auto-correlation method is widely used to measure the ultrashort pulse wave.
结果表明，在FFH-OCDMA系统中，光纤色散导致解码自相关光脉冲峰值功率和光脉冲取样能量的降低，进而导致系统误码率（BER ）的增加。
The results of simulation show that dispersion seriously reduces the peak power and sample energy on the FFH OCDMA system. Hence, bit error rate(BER) of system is increased by dispersion.
结果表明，在FFH-OCDMA系统中，光纤色散导致解码自相关光脉冲峰值功率和光脉冲取样能量的降低，进而导致系统误码率（BER ）的增加。
The results of simulation show that dispersion seriously reduces the peak power and sample energy on the FFH OCDMA system. Hence, bit error rate(BER) of system is increased by dispersion.
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