使用了FPGA进行触发脉冲信号的调制，提高直流调速系统的性能及稳定性。
FPGA is used to modulate spring pulse signal so as to improve the capability and stability of the DC timing system.
水平失真触发：当信号变高或者变低，并保持此状态超过指定时间时触发。这是很有用的对于脉冲串的末端触发。
Level dropout: This detects an edge followed by a specified time with no edges. It is useful for triggering on the end of a pulse train.
当接收到短脉冲检测开始触发信号时，向自动增益控制放大器(201)输出一个增益控制信号，以便用最大值进行放大。
Upon reception of a burst detection start trigger signal, a gain control signal is output to an automatic gain control amplifier (201) so as to perform amplification with a maximum value.
红宝石脉冲激光器和外同步触发信号结合实现了齿轮轮齿动态散斑图的记录。
Dynamic speckle photography of the gear tooth has been achieved by combining a pulsed ruby laser with the external synchronizing trigger signal.
用束团同步信号触发波形发生器，生成窄脉冲；
Triggered by the in-phase signal, the waveform generator outputs a pulse burst.
共原理为将系统调节信号经定时器转换为移相脉冲串去触发可控硅进行三相全控整流。
The principle is that the system adjustment signals are changed into shift-pulses via a timer so as to trigger SCR for three-phases full-controlrectification.
试验结果表明，以该触发器为控制核心的脉冲信号发生与控制装置具有结构简单、调节方便、性能可靠、造价低等特点。
The test results show that the pulse signal generate and control device based on this type of trigger has characteristics of simple, easier operation, higher precision, lower cost and so on.
通过接口电路将运动目标的数据转换为雷达信号，包括触发脉冲、方位脉冲、正北标志及视频脉冲信号。
Target data are transformed into radar signals, including the trigger pulses, the azimuth pulses, the north mark and the radar video signals through the interface circuits.
针对随机脉冲信号采集中的触发信号获取问题设计了一种快速触发检测系统。
Focused on the problem of getting the trigger in random pulse signal data acquisition, a rapid trigger detection system was designed.
此脉冲信号还是行计数器的触发信号，间接地控制振镜场扫的正程和逆程。
The horizontal line's counter is also activated by this signal to control galvanometer up and down.
提出了一种基于双向触发二极管和单电容定时的，用于爆闪式信号灯的脉冲序列发生器。
A pulse-train generator using DIAC and single capacitance timing applied to the burst flashing signal lamp is proposed.
单触发脉冲产生电路在放大单元的输出电平改变的时刻输出脉冲信号。
A single trigger pulse generating circuit outputs a pulse signal when an output level of an amplifying unit is changed.
本发明可以不受距离的限制，避免了传统仅仅依靠电脉冲信号触发在距离远时易受干扰、信号损耗严重的缺点。
The invention has no distance limitation and solves the problems of prior art, such as interference in remote triggering with electrical pulse signals and serious signal loss.
在传统触发器结构的基础上，本文提出了单闩锁结构边沿触发器设计，它通过利用时钟信号的竞争冒险产生窄脉冲控制单一锁存器以实现触发器的一次状态转换功能。
Based on the construction of traditional flip-flop, we propose a novel edge-triggered flip-flip using one latch controlled by narrow pulse according to race-hazard of clock.
可以使用箝位电路替代Schmitt触发器净化高频输入脉冲。正反馈放大器是信号级脉冲…
You can use a clamping circuit instead of a Schmitt trigger to clean up…
可以使用箝位电路替代Schmitt触发器净化高频输入脉冲。正反馈放大器是信号级脉冲…
You can use a clamping circuit instead of a Schmitt trigger to clean up…
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