输出脉冲频率越高,滤波器性能越好。
The higher the frequency of the pulses on the output, the better the filter does its job.
该激光器可以单脉冲、重频或连续方式输出,并可实现输出脉冲频率的编码及波长调谐。
This laser can work as behaviors of single pulse, repetition frequency or continuous and also realize the coding of pulse frequency and wavelength tuning.
其插补精度与最大进给速度、机床系统的脉冲当量、插补周期,以及脉冲发生器的输出脉冲频率有关。
The interpolation precision is correlated with Max feed rate pulse equivalent of CNC cyc of interpolation and output impulse frequency of pulse generator.
相位频率检测器用温度感测电路调整一个或更多个输出信号的最小脉冲宽度从而补偿温度变化。
The phase frequency detector adjusts the minimum pulse width of the one or more output signals using the temperature sensing circuit to compensate for temperature variations.
图3是依照本发明实施例的时序图,其图示说明相位频率检测器的DN输出信号中最小脉冲宽度的示例。
FIG. 3 is a timing diagram that illustrates an example of a minimum pulse width in the DN output signal of a phase frequency detector, according to an embodiment of the present invention.
研究了试件表面处理状态、保护气体、激光输出功率、焊接速度、激光脉冲频率等工艺参数对焊接质量的影响规律。
The influence of the parameters such as surface treatment state, laser output power, welding speed, protective atmosphere, and pulse frequency on the welding quality was studied.
同时,高速交流传动机车广泛采用高开关频率器件的脉宽调制(PWM)逆变器,使得逆变器输出脉冲具有陡上升沿。
Meanwhile, PWM inverters using high switching frequency device that shortens the rise time of PWM output pulse have been widely applied in high-speed AC driving locomotive.
关键是为了使用时钟DLL,它不只是最小化时钟脉冲相位差,还提供双倍输出的时钟频率。
The trick is to use a clocked DLL, which not only minimizes clock skews, but also offers a double-frequency output clock.
同时具有输出各种模拟信号、不同频率和幅值的脉冲信号及各种波形信号的信号源功能。
And it has functions of outputting different analog signals, impulse signal with different frequency, amplitude and different wave form.
提供这些脉冲输出频率成正比的体积流量。
These pulses provide an output frequency that is proportional to volumetric flow.
固定电路工作频率,调节脉冲宽度而改变输出功率。
Fixedness operating frequency. you can adjust the width of pulse to change the output power.
以铝合金MIG焊为例,在每种脉冲模式下,分别改善焊接电流、焊接电压、脉冲频率、占空比等参数进行焊接并采集输出电流波形。
Taking MIG welding as example, under each control modes, the welding parameters such as the welding current, welding voltage, pulse frequency, etc.
相位频率检测器比较基准时钟信号和反馈时钟信号从而在一个或更多个输出信号中生成脉冲。
A phase frequency detector compares a reference clock signal to a feedback clock signal to generate pulses in one or more output signals.
每来一个时钟脉冲,N位加法器将频率控制数据m与相位寄存器输出的累加相位数据相加,并将结果送相位寄存器输入端。
Frequency controlled data (m) plus an accumulative phase data output by a phase register in an N-bit adder when a clock pulse comes, the result is sent to the input port of the phase register.
这些参数包括输出脉冲的频率、宽度和不同极性的两个脉冲间隙。
The parameters such as frequency, width of each pulse and the interval between successive pulses with inverse polarity can be changed easily in program.
当基准和反馈时钟信号的相位和频率相同时,PLL处于锁定模式,且PFD输出信号中不生成脉冲。
When the phase and frequency of the reference and feedback clock signals are the same, the PLL is in lock mode, and the PFD does not generate pulses in its output signals.
本课题对一台高压高频逆变电源输出的正弦电压进行处理,将其设计成一台纳秒级高压高重复频率的脉冲电源。
This designation is to deal with the output sine wave of a high frequency and high voltage power supply, the aim is to develop a high voltage and high frequency nanosecond pulse generator.
当增加重复频率时,输出与泵浦激光重复频率完全一致的激光脉冲,但也将在一个泵浦脉宽中出现多个激光脉冲输出。
Increasing the repetition rate, the output laser has the same repetition rate as the pump laser, but more sub-pulses will be output in one pump pulse.
该电源输出脉冲电流的幅值、脉宽和频率都可以在规定的范围内连续可调。
Pulse width and frequency can be adjustable in succession within the range of the fixed one.
这种脉冲电源可以实现在高重复频率工作下的高电压大电流输出,具有小型、高效和高可靠性。
The pulsed power can works by high output voltage and large output current under the repetition rates, it has some merits: simple structure, high efficiency and high reliability.
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.
然后运用脉冲功率技术,通过由电容器和磁开关等组成的脉冲陡化电路对正弦电压波形进行改形,最后输出纳秒级上升前沿、高重复频率的高压脉冲。
Then, transform it through the pulse sharpening circuit consisting mainly of capacitances and magnetic switches, finally outputting the high voltage and high repetition rate nanosecond pulses.
在第二子模式(“低输出功率子模式”)中,使用脉冲宽度调制来调节VOUT,但转换器开关频率固定在第一频率。
In a second sub-mode ('low output power sub-mode'), VOUT is regulated using pulse width modulation, but the converter switching frequency is fixed at a first frequency.
在某些实施例中,转换器具有第三子模式(“高输出功率子模式”),其中使用脉冲宽度调制,但开关频率固定在第二频率。
In some embodiments, the converter has a third sub-mode (' high output power sub-mode '), in which pulse width modulation is used but the switching frequency is fixed at a second frequency.
第二部分是光纤传输和光电转换器,从传感头输出的频率调制信号驱动装在高压端的发光二极管,进而转换成光脉冲信号;
The first one is a sensor head converting the current flowing in the power line into the optical pulse FM signal. The second one is optical fiber transmission and optolectric conversion.
然而,逆变器输出的PWM(脉冲宽度调制)连续高压脉冲的上升沿很陡、频率很高,导致在脉冲电压下牵引电机绝缘过早失效。
However, Pulse Width Modulation (PWM) which was input from inverter is characterized by steep rising edge and high frequency, resulting in the too early failure of motor insulation.
随着电压VCTR改变,VCO 104改变VCO输出信号的频率,使得当pll 100处于锁定模式时引起脉冲偏移和增大的输出抖动,如图中虚线202所示。
As the voltage VCTR varies, VCO 104 varies the frequency of the VCO output signal, causing phase offsets and increased output jitter when PLL 100 is in lock mode, as shown by dotted line 202.
设计要求:(1)能够输出锯齿波,三角波,正弦波,脉冲波。(2)能根据键盘命令进行波形之间的切换。(3)能对输出的波形频率进行调节。
Design requirements: (1) can output sawtooth, triangle wave, sine wave, pulse wave. (2) according to the keyboard command to switch between waveforms. (3) can adjust the output waveform frequency.
同时给出了在不同的声光开关时间的输出脉冲特性,描述和讨论了输出的单重复频率脉冲和半重复频率脉冲现象。
Meanwhile, the behaviors of Q-switched pulses are achieved by regulating the switching time of AOM. The single-repetition-rate and half-repetition-rate phenomena are described and discussed.
同时给出了在不同的声光开关时间的输出脉冲特性,描述和讨论了输出的单重复频率脉冲和半重复频率脉冲现象。
Meanwhile, the behaviors of Q-switched pulses are achieved by regulating the switching time of AOM. The single-repetition-rate and half-repetition-rate phenomena are described and discussed.
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