Stepper motor is able to convert digital input pulse incremental rotary or linear motion electromagnetic actuator.
步进电机是一种能将数字输入脉冲转换成旋转或直线增量运动的电磁执行元件。
It shows that the signal will become bad with the increase of transmission velocity and distance by comparing the wave figure and eye diagram of input and output pulse.
通过比较输入与输出信号脉冲波形和眼图发现,随着传输速率和传输距离的增加输出信号劣化。
This paper analyzes usual measuring errors caused by inconsistency of the input signal pulse verge and strobe signal verge in frequency measurement. It sets forth an effective solution.
研究频率测量过程中输入信号的脉冲边沿与测量设备的闸门信号边沿不一致造成的频率测量误差。
Furthermore, the expression of stationary bit error rate of system output corresponding to equiprobability quaternary pulse amplitude modulation (PAM) input signals was deduced.
给出了当输入信号为等概率的四进制脉冲幅值调制(PAM)时,系统输出理论渐近误码率计算公式。
Pulse welding method is effective to control heat input.
采用脉冲焊接的方式可以有效地控制热输入量。
To derive mathematical model, dynamic characteristic equations are obtained and the pulse amplitude and time of input shaper was calculated.
通过建立系统的数学模型,求出了动态特性方程,计算出这三种输入整形器脉冲序列的幅值和时间。
The electromagnetic pulse(EMP) damage mechanism and failure modes are obtained for the input port and output port of solid state relays by current injection method.
本文通过电流注入法对某型直流固态继电器输入端与输出端的电磁脉冲损伤机制进行了实验研究,确定了两种失效模式。
L297 chip generates pulse phase sequence signals of which the pulse width is adjustable. The signals are the input ones of dual bridge driving circuit and drive the stepper motor after amplification.
L 297芯片产生脉宽可调的脉冲相序信号,该信号作为双极性桥式功率驱动电路的输入信号,放大后驱动步进电机。
Most switch mainframes can be triggered externally via the trigger input and can send an output trigger pulse when the relay contacts have settled.
大多数开关主机都可通过触发输入进行外部触发,并且在继电器触点稳定之后可输出一个触发脉冲。
Pulse synchronizing signal: input device sync pulse commonly used empty contact way.
脉冲同步信号:装置的同步脉冲常用空接点方式输入。
In order to reduce errors and obtain highest measurement precision, microwave receiver must be synchronized with input RF pulse to maximize receiver response.
在进行脉冲天线测量时,微波接收机必须与输入的射频脉冲保持同步,使接收机的响应最大,以减少误差、获得最好的测量精确度。
The effective thermal input of pulse flash process is large, it can help reduce the drop weight test fracture of flat spot, which is suitable for welding U75V rail.
脉动闪光工艺的有效热输入大,有利于降低落锤断口灰斑,适合焊接U75V钢轨。
The card can collect four axes' encoder pulse signals simultaneously, and control servo motor by four output analog voltage. Furthermore, it can control input and output I/O signals.
该运动控制卡能同时采集四轴的编码器脉冲信号,输出四路模拟电压控制伺服电机,同时能控制I/O信号的输入和输出。
The relations between the output pulse energy of the amplifier and the different input pulse peak power or pump power are also discussed.
讨论了掺镱双包层光纤放大器输出脉冲能量随不同输入脉冲峰值功率和泵浦功率的关系。
According to the change of widthes of the input and output pulses, the chirp signals can be identified and their parameters such as the pulse width and FM slope can be determined.
根据输入输出脉冲宽度的变化,可识别出线性调频脉冲压缩雷达信号,并测出其参数如脉冲宽度和调频斜率。
Influences of input optical pulses including the control pulse and probe pulse on the switching window of ultrafast nonlinear interferometer (UNI) are studied by numerical simulation and experiment.
就超快非线性干涉仪(UNI)的输入光特性对其开关窗口的影响进行了数值模拟和实验研究,输入光包括控制光脉冲和探测光脉冲。
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.
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。
In these situations, one might apply additional input pulse weighting to form a class of MSK type signals which still maintain constant envelope and continuous phase.
在此情况下可以对输入数据符号进行加权处理,从而得到一类MS K信号,这类MS K信号仍为等幅波、相位仍保持连续。
This paper analyzes the degradation of pulse compression sidelobe due to the interference input power, bandwidth and location when notch filter is used.
本文分析了凹口滤波器零陷干扰时干扰的功率、频宽和位置对脉压输出旁瓣的影响。
The characteristic of pulse xenon flashlamp envelope, which made of cerium doped quartz glass, was studied experimentally under high input power, and the experimental results were analysed.
实验研究了脉冲氙灯在高负载条件下掺铈石英玻璃管壁的特性,并对实验结果进行了分析。
This paper presented an IGBT inverter for high voltage pulse source. The experimental results demonstrate a good harmonic elimination for power input and quality output.
介绍了采用IGBT逆变电路的高压脉冲电源的设计和电路构成。该电源可以减少电源对进线电源的谐波干扰,提高电源的品质,减少输出电压的交流分量。
It was revealed that the cross relaxation increased with intensity of the excitation, which resulted in the decrease of polarization factor with the input pulse area.
分析表明,交叉弛豫随激发场强度增大,并导致偏振因子随激发场入射脉冲面积减小。
The upper limit of the spatial resolution of the system is determined by the width of the input laser pulse.
入射激光脉冲的宽度决定了系统空间分辨率的上限。
An apparatus for generating a pulse at a particular time dictated by an input.
一种用于在由输入指示的特定时间处产生脉冲的装置。
The input and output carrier of SAW delay line is constant to maintain the coherence of the pulse, which can be well applied for deception jamming in PD radar.
而声表面波延迟线输入输出载频不变,并能始终保持脉冲的相参性,用于PD雷达欺骗干扰,是实用的方案。
The time of high level and the cycle for input pulse was measured with micro-controller to calculate duty cycles.
单片机通过测量输入脉冲的高电平时间及周期而实现占空比测量。
The hydraulic power is adapted to the working features of high-speed ammunition feeding system. It can be applied to the similar situations with lower power input and higher pulse power output.
试验证明,该油源适应供弹系统的工作特点,可推广应用于类似的低功率输入和高脉冲功率输出的工况。
Based on the nonlinear Schr? Dinger coupling equation, the impact of input power of soliton in the Photonic crystal fibers on the pulse evolution is studied by numerical simulation.
基于耦合非线性薛定谔方程,通过数值模拟,研究了光子晶体光纤中孤子脉冲的输入功率对脉冲传输的影响。
For a UWB communication system, by using differential characteristic of Herz magnetic dipole antenna, the narrow pulse can be produced from the rise edge of input square-wave signal.
在UWB通信中,利用赫兹磁偶极子天线的微分特性,由输入方波的上升沿产生窄脉冲。
The pulse transfer function matrix of linear discrete-time multivariable systems is often non-diagonal. This shows that there is coupling between the input and output of systems.
线性离散时间多变量系统的脉冲传递矩阵往往不是对角线形的矩阵,这表明系统的输入输出存在耦合。
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