pulse ratio
英 [pʌls ˈreɪʃiəʊ]
美 [pʌls ˈreɪʃioʊ]
网络 脉冲比
双语例句
- Frequency and pulse width ratio play an important role for power consumption rather than coalescing process.
频率、脉宽比对水颗粒聚结效果影响较小，但对电能消耗产生重要影响。 - Panel circuit can set parameters such as pulse width, work ratio.
面板电路可设置脉宽、工作比等参数。 - It is shown that there are an optimum pulse part and duty ratio affecting the instability of pulse series, and DC part and the pumping rate affect the output characteristics visibly.
研究表明，抽运光的脉冲部分及其占空比对于输出脉冲波动的影响存在最佳值； - In this paper, a technology on generation of ultrashort pulse with high extinction ratio is studied.
实验研究了一种高消光比短脉冲的产生技术。 - This design uses FPGA chip and VHDL program to improve the stability of frequency detecting system and realize equal precision measurement of frequency, period, pulse width and duty ratio.
选用FPGA芯片通过VHDL编程实现，提高了测频系统的稳定性，可实现频率、周期、脉宽和占空比的等精度测量。 - Selecting suitable pulse duration ratio and negative pulse can be improved property of the zinc coating corrosion-resisting and also can be reduced hardness and brittleness of the zinc coating. This is a new discovery of pulse plating.
选择合适的脉冲占空比和负脉冲，可以提高镀锌层的防蚀性能，并可降低镀层的硬度与脆性，是脉冲镀的一个新发现。 - The results show that the gold deposit has the finest and smoothest surface and 30 nm of roughness as pulse duty ratio is 1 ∶( 9~ 18).
结果发现，当占空比在1∶（9~18）时，镀层最细致、光滑，粗糙度在30nm左右。 - This is very important and provides referrence for choosing suitable code type and pulse length ratio when a high-speed optical fiber communication system is studied and designed.
这对于研究、设计高速光纤通信系统时选择合适的码型和RZ码的占空比，具有重要的参考意义。 - Pulse ratio modulation, a method of recording biomedical signals with magnetic tape, is presented.
本文介绍一种磁带记录生物医学信号的方法&脉冲比例调制。 - Pulse Width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio ( pulse width).
脉宽调制器是一种能够产生周期固定而占空比（脉宽）可调的方波信号的电路。 - An instrument measuring the peak output of pulsed CO2 lasers has been introduced, this is a simple and practical structure, the measurement precision has been improved compared with measuring the average power and pulse duration ratio as before.
本文介绍了一种用于测定脉冲CO2激光器输出光脉冲峰值功率的装置，比通过测定平均功率及脉冲的占空比来计算峰值功率的方法测量精度高，且装置简单实用。 - A function signal generator is designed using digital waveform synthesis and microcontroller technology. A good way is used to adjust the pulse duty ratio.
运用数字波形合成技术的基本原理，结合单片机技术设计了一种函数信号发生器。 - The pulse fluctuation ratio after narrow band filter is proposed as an important parameter to evaluate the quality of the mode locked laser pulse.
此结论表明可以将经过窄带滤波后的幅度稳定性作为锁模质量的重要评价手段。 - It introduces a digital cymometer which has the functions of frequency measuring, pulse cycle measuring, pulse width measuring and pulse signal ratio measuring.
介绍了具有频率测量、脉冲周期测量、脉冲宽度测量以及脉冲信号占空比测量等功能的数字频率计。 - The response of majority carrier trap under the forward bias low-injection pulse and the ratio of the capture constants of the two kinds of carriers
正向小注入脉冲下多子陷阱响应和两种载流子俘获率之比 - To solve the problem of exaggerated angle pulse in the ratio driving and tracing measuring technique in testing in situ for large gears, the programmable dynamic frequency doubler has been developed.
为解决大齿轮在机测量过程中采用比例驱动跟踪测量技术时转角脉冲当量过大的问题，研究开发了可编程动态倍频器。 - A pulse width modulation ( PWM) circuit adopting direct digitizing strategy is presented. It modulates little resistance or capacity signal into pulse duration ratio, thus A/ D conversion is implemented.
介绍一种采用直接数字化方案的脉宽调制（PWM）电路，它可把微小的电阻或电容信号调制成脉冲的占空比，从而实现A/D转换。 - Echo pulse ratio and attenuation of ultrasound method for the measurement of concentration of suspended particles
回波脉冲比值与声衰减法测量悬浮颗粒浓度 - By synthesizing twice MTD results, actual velocity of the target is gained. Relation between pulse duty ratio and velocity measurement error is deduced.
综合两次MTD结果得到了目标的实际速度，并推导出了脉冲占空比和速度测量误差的关系式。 - The influences of current density, pH, temperature and pulse duty ratio on electroplating process and deposit performance were discussed.
讨论了电流密度、pH、温度及脉冲占空比对电镀过程及镀层性能的影响。 - The influence of two parameters, frequency and pulse width ratio of wave pulse brush plating speed about, is studied on the base of experiment in this paper.
在低频范围内，通过试验研究了矩形波脉冲频率f，脉冲宽度比B对刷镀速度的影响规律。 - The mathematical model of 3-phase PWM VSR using state space average method is studied under the high swith frequence at frist, then the pulse time ratio is given using the space vector technology.
在高开关频率下，应用状态空间平均法建立三相电压型PWMVSR数学模型，利用矢量合成原理，推算出各相开关函数占空比。 - Pulse ratio modulation applied to the recording of biomedical signals
脉冲比例调制应用于生物医学信号的记录 - Long Distance Optical Soliton Transmission with Large Pulse Duty Ratio and Large Amplifier Spacing Using Phase Conjugation and Dispersion Allocation
利用相位共轭与色散配置实现具有大占空比和大放大器间隔的长距离光孤子传输 - The effect of pulse frequency and pulse duration ratio on the abrasion resistance of gold coatings is investigated with pulse plating in cyanide free and trace cyanide baths.
研究了脉冲电镀在微氰镀金，无氰镀金体系中脉冲频率、脉冲占空比对镀金层耐磨性的影响。 - The relationships of optical limiting effect such as output peak power, output energy, transmissivity and pulse compression ratio versus pump energy are investigated by a theoretical model.
利用理论模型模拟了如下光限幅参量：透射脉冲峰值功率、透射能量、能量透射率、脉宽压缩率依赖抽运光能量的变化关系。 - The effects of DC reverse bias voltage and modulation intensity on pulse duration and extinction ratio were discussed.
分析了反向偏置电压和调制深度对于脉冲宽度和消光比的影响，对驱动参数进行了优化； - The tendency of the double pulse enhancement ratio and time delay in different combination of pulse conditions were got by change the time delay between the two pulses.
改变两脉冲之间的延时，得到了各个脉冲组合条件下的双脉冲增强倍数与延时的变化趋势。