The pulse conversion transponder has key function in automated monitoring system.
在自动监测系统中起关键性作用。
A new kind of practical Pulse conversion transponder has been developed, which based on 555 timing IC.
研制了一种实用新型的脉冲变送器，主要电路部件为555集成定时器。
It USES binary counters for the conversion of the multiplicand from parallel to pulse-train form.
它采用二进制计数器以把被乘数由并行形式转换成脉冲序列形式。
It introduces the overall design of the system in chapter two, formed mostly with precondition of pulse, enlarge signal, Low-Pass Filter, AD Conversion, Serial Communication, waveform showing etc.
第二章介绍了系统的总体设计方案，它主要由脉搏信号预处理、信号放大、低通滤波、AD转换、串行通信、波形显示等几部分组成。
Furthermore, the suitable chirp of fundamental field can reduce the distortion of third-harmonic pulse and increase the third-harmonic conversion efficiency.
合适的基频光频率啁啾可以减小三倍频光脉冲的畸变，并有效地提高三倍频转换效率。
In this method the main part of the pulse width is measured by counter, and the odd of the pulse width is measured by time-voltage conversion method.
该方法以计数器法测取脉冲的主体宽度，用时间-电压转换法测取脉冲的零头时间，并以此作为量化误差的校正值。
Conversion efficiency and pulse wave-forms will be affected by many factors due to the wide spectrum range and high intensity density of ultra-short pulses.
由于超短脉冲具有较宽的光谱范围及较高功率密度，倍频转换效率和谐波脉冲波形将受到许多因素的影响。
The process of the wavelength conversion is analyzed by numerical simulation and walk-off effect and pulse broadening have been observed in pulse propagations.
通过数值模拟，研究了波长转换过程，观察到脉冲传播过程中出现了走离效应与脉冲展宽。
A pulse subtraction operated circuit and an automatic conversion feeding circuit are designed.
设计了简单可行的脉冲减法运算电路和馈送自动转换电路。
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。
By adjusting the driving pulse increment, the bright dark conversion to maximize the number of dark and light switching frequency optimization goal of homogenization in per unit time were achieved.
通过调整驱动脉冲增量，实现了单位时间亮暗转换次数最大化和亮暗转换频率均匀化的优化目标。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
The conversion efficiency of the average power is 4.2% from pump diode to OPO signal output and the signal pulse duration is about 13 times shorter than that of the depleted pump light.
实验中获得的由二极管注入泵浦功率至opo信号光平均输出功率的转换效率达4.2%，信号光脉冲宽度比消耗后的泵浦光脉冲宽度压缩了13倍。
We focus on the peak power, pulse width, extinction ratio of conversion optical pulse and the transmission property of conversion optical pulse in standard single mode fiber.
详细研究了反转光脉冲的峰值功率、脉冲宽度和消光比等重要物理参量以及反转光脉冲继续在常规单模光纤中传输时的演变特性。
The conversion speeds and results of ADC0809 analog-to-digital converter are accurate tested and analyzed by using multi-master clock pulse with different frequency and pulse width.
使用多组不同频率和不同脉宽的工作时钟，定量测定分析ADC0 80 9模数转换器的转换速度和转换结果。
A new electromagnetic water treatment device for anti-scaling treatment was prepared by combined DC pulse with frequency conversion technology.
将直流脉冲与扫频技术相结合，利用新型的扫频直流脉冲电磁水处理器进行循环水抑垢效应的研究。
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.
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；
Progress on femtosecond pulse shaping with space-time conversion technique and recognition for Dammann-type filters is analyzed in this paper. We designed the multiple pulses Dammann-type filter.
本文介绍了达曼类滤波器的飞秒激光时空变换整形与识别技术的研究进展。
By optoelectronic conversion, the displacement value is transformed into electric pulse signal.
通过光电转换，将位移量转换成电脉冲信号。
The results show that group-velocity mismatching is the main reason of the broadening of the second harmonic pulse and could lead to the decrement of conversion efficiency.
研究结果表明，群速度失配会导致二倍频光脉冲宽度的增大和转换效率的降低，非线性相位调制使二倍频光脉冲形状发生畸变，降低转换效率。
On the basis of theoretical model, the wavelength conversion processes of a single pulse and a serial pulses are numerically simulated. The walk-off effect and pulse delay effect are analyzed.
在建立理论模型的基础上，分别对单脉冲以及序列光脉冲的波长转换过程进行了数值模拟，并对转换过程中的走离现象以及脉冲延迟进行了分析。
The two signal sources are jointly controlled to produce a three-item square-wave pulse synchronous frequency conversion and voltage regulation signal source.
两信号源统一控制便产生三项方波脉冲同步变频调压信号源。
The generating and controll of Sinusoidal Pulse-Width Modulation (SPWM) waveforms is one of the core technology of frequency conversion.
而SPWM（正弦波脉宽调制）波的产生和控制则是变频技术的核心之一。
The generating and controll of Sinusoidal Pulse-Width Modulation (SPWM) waveforms is one of the core technology of frequency conversion.
而SPWM（正弦波脉宽调制）波的产生和控制则是变频技术的核心之一。
应用推荐