So in order to reduce the number of PLL, the improved Equivalent pulse-counting method is proposed in view of the internal structure of the FPGA.
因此,为了减少锁相环的个数,针对FPGA的内部结构对该方法进行了改进,提出了改进等效脉冲计数法。
In this paper, the software and hardware achieved of equivalent pulse counting and improved equivalent pulse-counting method are described in detail.
本文详细的介绍了等效脉冲计数法和改进等效脉冲计数法的软件以及硬件实现。
The algorithm of CPLD chip designed in this paper, using two pulse-counting and CPLD hardware delay means to achieve the balance between CPLD resource consumption and function.
本文设计的CPLD芯片的算法,采用两级脉冲计数及CPLD硬件延时方法,以达到CPLD资源占用和功能实现的平衡。
By counting the number of such X-rays while scanning the frequency of the laser pulse, the team could make a very precise measurement of the photon energy required to drive the 2s-2p transition.
通过统计所发出X光的数量,然后对照激光脉冲的频率,测量小组能得出一个非常精确的测量值,从2s能级到2p能级跃迁所需的量子能量。
The software is composed of modules such as the dynamic display, pulse counting and pulse capture and communications of system.
软件由动态显示模块、脉冲计数测速、脉冲捕获测速和系统通信组成。
And pulse width signal is sent to SD-M-3002 special circuit, to complete such controls as counting, decoding, pulse distribution, etc.
并将脉冲宽度信号送至SD-M - 3002专用电路完成计数、译码、脉冲分配等控制。
Pulse counting with gate controlling have been two counted modes that the gate with counter are divided or combined.
门控脉冲计数有闸门与计数器分开和一体两种方式。
The laser pulse modulation system has been used in a picosecond time-correlated single photon counting spectrometer with perfect effect.
该激光脉冲调制系统已经应用在皮秒时间相关单光子计数光谱仪系统中,取得了比较理想的效果。
The time intervals between laser main pulse and the corresponding multiple echoes were needed to measure in photon counting imaging lidar, and the system had to have high precision.
光子计数成像激光雷达需要测量一个激光主波和与之对应的多个回波之间的时间间隔,并具有高精度。
The extraction and counting method for partial discharge (PD) under pulse voltage was proposed.
提出了脉冲电压下局部放电(PD)信号的提取和统计方法。
Furthermore, an automatic alarming and counting system of overvoltage pulse is suggested.
同时,本文还提出了过电压冲击自动报警与计数系统设计的可行性方案。
The pulse is directly read out by utilizing PLC high-speed counting module, the function of the locating controller can be achieved by program, thus the locating controller are saved.
利用PLC高速计数模块直接将外部编码器发出的脉冲读入,在PLC内部编程,通过程序控制完全能取代位置控制器的所有功能,从而省出位置控制器这一环节。
When using pulse counting method, the precision of pressure-measuring with vibrating-wire sensor is influenced by the precision of pulse counter, circuit noise, temperature compensation, etc.
应用振弦式传感器并基于脉冲计数法进行压力测量可达测量精度受脉冲计数精度、电路噪声及温度补偿等多重因素影响。
Based on pulse counting principle, the high precision time interval can be obtained by measuring the number of the high-frequency reference clock through it.
设计了一种高精度时间间隔测量模块,该模块由单片机控制,采用脉冲计数原理,通过测量时间间隔内高频参考时钟个数,得到被测时间间隔的精确值。
Disclosed is an automatic sounding and counting instrument for pulse which is a medical apparatus suitable for feeling the pulse in traditional Chinese medical treatment.
脉搏自动发声计数仪是一种适于中医切脉的医疗器具。
A device for automatic counting and data reduction is introduced. This device consists of a semiconductor detector, a charge sensitive amplifier, a pulse shaping circuit and a microcomputer.
本文介绍一自动计数和数据处理的微型计算机装置,它是由半导体探测器、电荷灵敏放大器、成形电路和一微型计算机组成。
A device for automatic counting and data reduction is introduced. This device consists of a semiconductor detector, a charge sensitive amplifier, a pulse shaping circuit and a microcomputer.
本文介绍一自动计数和数据处理的微型计算机装置,它是由半导体探测器、电荷灵敏放大器、成形电路和一微型计算机组成。
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