作为光通讯以及光电取样检测系统的主要光源,增益开关半导体激光器产生的激光脉冲质量受到了极大的关注。
As the major source of optical communication and optic-electric sampling detection, the quality of optical pulse generated by Gain-switched semiconductor laser gets more and more attention.
本文阐述了一种用于微波波段的脉冲鉴相器的工作原理、主要参数的选择原则,并对其进行了取样效率的理论分析。
The operating principle and the choice of the main parameters for a new pulse phase detector used in UHF band is described. The sampling efficiency is discussed.
本文报导了单脉冲能量取样和数据处理的方法。
In this paper, a sampling method for single pulse energy and data processing are reported.
本论文论述了高速光脉冲取样的原理和性能。
The principle and performance of optical sampling are presented in the thesis.
皮秒级瞬态取样门主要应用于激光聚变实验和高能物理实验中,对单次高速脉冲进行实时取样。
The picosecond transient sampling gate is mainly applied in laser fusion and high energy physics experiments for single high-speed pulse real-time sampling.
根据冲击型探地雷达的原理,窄脉冲发生电路是探地雷达的一个重要的基本单元电路,它是组成脉冲发射电路和取样变换电路的重要组成部分。
According to the principle of impulse GPR, the short pulse generator is an important basic circuit of GPR, it is an important part of radiation excitation and sampling circuit.
采用高速示波器法和电快脉冲取样法测试高速瞬态信号。
High-speed transient signal is tested with the testing methods of high-speed oscillograph and fast electronics pulse sampling.
光纤取样可以降低高功率激光脉冲时间波形测量成本,并提高测量系统抗干扰能力。
By using the method of fiber sampling, the cost of measuring high power lasers pulse wave can be cut down, and the anti-jamming ability of the measuring system can be improved.
硬件部分主要涉及CPU及其接口电路、电机驱动电路、变频取样电路、脉冲电源等。
The part of hardware refers to CPU and CPU interface circuit, motor driving circuit, voltage-frequency transform circuit, pulse power and so on.
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.
并以线性调频雷达为干扰对象,将脉冲重叠型和脉冲等间隔取样两种灵巧噪声干扰波形的干扰效果进行了计算机仿真,仿真结果验证了这种干扰的有效性。
Smart noise jamming waveforms of pulse-overlap and pulse-sample are designed. And The PC simulation results validate that the two smart noise jamming waveforms are effective.
并以线性调频雷达为干扰对象,将脉冲重叠型和脉冲等间隔取样两种灵巧噪声干扰波形的干扰效果进行了计算机仿真,仿真结果验证了这种干扰的有效性。
Smart noise jamming waveforms of pulse-overlap and pulse-sample are designed. And The PC simulation results validate that the two smart noise jamming waveforms are effective.
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