repetition pulse

The generation of ultra-short optical pulse with high repetition rate is one of the key techniques in the high-speed optical time-division multiplexing ( OTDM) system.

高重复率超短光脉冲的产生是高速光时分复用（OTDM）系统的关键技术之一。

The natural calling songs in the field of different places have basically the same structural levels; they consist of rhythms with repetition frequency of 43-49 Hz, each rhythm with four syllables, each syllable with three pulse-groups and each pulse group with several pulses.

黑蚱蝉野外的自然鸣声具有基本相同的结构层次，都由重复频率为43&49Hz的节奏组成，每个节奏含有4个单音节，每个单音节含有3个脉冲群，每个脉冲群含有若干个脉冲。

The square triple-pulses generator has an output voltage up to 250 kV, a pulsed current of 10 kA, pulse power of 2.5 GW, a repetition rate of 1 MHz, a pulse risetime of 40 ns, and a pulse flat top of 50 ns.

方波三脉冲源输出指标达到了电压250kV，脉冲电流10kA，峰值功率2.5GW，重复率1MHz，脉冲上升时间约40ns，脉冲平顶宽度50ns。

Repetition Pulse High Voltage Spark Gap

重复脉冲高压火花放电球隙

This paper presents a method extracting target acceleration by using discrete Wigner-Ville distribution under low pulse repetition frequency ( PRF) and a finite number of samples, velocity information ( Doppler frequency) of target can be obtained simultaneously by using the time-frequency analysis method.

提出了一种在低脉冲重复频率（PRF）和对目标采样数有限情况下提取加速度信息的方法。用这种离散时频分析方法同时也能获得目标的速度信息（多普勒频率）。

Specially, the thermal lens effect is intensified due to the long tail attached to pulse, which leads to decreasing of conversion efficiency if pulse repetition rate is enhanced.

特别由于脉冲附带长的拖尾加剧了热透镜效应，使得脉冲重复频率的增加引起转换效率的降低。

The analysis shows that the improvement of ICI from increasing the pulse repetition period is slower than equidistance transmitting pulse when the manner of transmitting pulse is time hopping.

与采用等间距发送脉冲时的码间干扰对比，结果显示，随着脉冲重复周期增大，跳时UWB的码间干扰的改善的速度比等间距发送脉冲时缓慢。

High Repetition Rate Nanosecond Pulse Fiber Amplifier Based on China-Made Large-Mode-Area Fiber

基于国产大模场面积双包层光纤的高重复频率纳秒脉冲光纤放大器

A high repetition-rate high voltage pulse generator

高重复频率高压脉冲发生器

The pulse width, pulse energy and pulse repetition rate of different output coupler are measured.

测量了不同透过率输出镜条件下，输出调Q脉冲的宽度、能量及脉冲重复率。

Calculation method of critical radar cross section of low pulse repetition frequency PD radar

低重频PD雷达的临界散射截面计算方法