repetition pulse

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

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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

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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。

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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。

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A high repetition-rate high voltage pulse generator

高重复频率高压脉冲发生器

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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。

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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。

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Repetition Pulse High Voltage Spark Gap

重复脉冲高压火花放电球隙

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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。

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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）。

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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。

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