The paper checked up the effect notability of pulse width,pulse interval、peak current,electrode speed in axis,and based on this condition delved the machining mechanism of eletrical-discharge milling.
检验了脉冲宽度、脉冲间隔、峰值电流、加工速度等因素对加工结果的影响,并以此为基础研究了电火花铣削加工的规律。
Combined with WPAN, the thesis carried out a research of UWB framing and modulation, proposed a new modulation for UWB called ambipolar pulse interval modulation (APIM) and designed the framing module and modulation module.
论文结合无线个域网,对超宽带网络模型、基带帧结构及调制方式做了研究;详细分析了MAC帧到基带帧的组帧方法,并对组帧模块进行了设计;提出了一种适合超宽带新的调制方式——双极性脉冲间隔调制,并设计了双极性脉冲间隔调制模块。
In order to solve the problem of symbol synchronization in pulse position modulation (PPM) and modulator waiting or bugger overflow resulting from the unfixed length in pulse interval modulation (DPIM) in optical wireless communications,a novel fixed length dual-amplitude pulse interval modulation(FDAPIM) is discussed.
在无线光通信中,为解决脉冲位置调制(PPM)需要符号同步和数字脉冲间隔调制(DPIM)符号长度不固定造成调制器等待或缓冲器溢出的问题,提出了一种新的调制方式一定长双幅度脉冲间隔调制(FDAPIM),分析了它的符号结构、发射功率、带宽需求以及在高斯白噪声下的差错性能,并和开关键控(OOK)、脉冲位置调制(PPM)、数字脉冲间隔调制(DPIM)、定长数字脉冲间隔调制(FDPIM)等调制方式进行了比较。
The application of dual header pulse interval modulation(DH-PIM) and least mean square(LMS) channel equalization to free space optical(FSO) communication system was put forward.
将双头脉冲间隔调制(DH-PIM)和最小均方(LMS)算法信道均衡技术应用于自由空间光通信,建立了基于DH-PIM和LMS信道均衡的自由空间光(FSO)通信系统的数学模型,研究了DH-PIM的符号结构、平均功率需求及其功率谱,并且与开关键控(OOK)、脉冲位置调制(PPM)等调制方式作了比较,对系统的性能指标进行了仿真。
teletypewriter pulse spacing
电传打字机脉冲间隔
Fixed Length Dual-Amplitude Pulse Interval Modulation for Optical Wireless Communications
无线光通信中的定长双幅度脉冲间隔调制
Dual-amplitude Pulse Interval Modulation for Optical Wireless Communications and Optical ETC Prototype;
无线光通信双幅度脉冲间隔调制研究及其在光波ETC中的应用
radar repetition interva
雷达脉冲(间隔)周期
Improved scheme and mathematical model for measuring the time-of-flight in pulse laser ranging
脉冲测距时间间隔测量的数学模型及改进方案
New Method for Measuring Time-of-Flight in Pulse Laser Ranging
脉冲激光测距中时间间隔的新的测量方法
High precision time interval measurement in pulsed laser ranging
脉冲激光测距中高精度时间间隔的测量
aortopulmonary septal defect
主动脉肺动脉间隔缺损
The time and time interval of gotten control pulse was coded and saved to single chip computer.
并对得出的控制脉冲的时刻和时间间隔编码存入单片机。
A "1" is indicated by a data pulse, occurring in the middle of the bit cell interval.
数据“1”则表示在单元间隔的中间有数据脉冲的存在。
Research on a SOI CMOS Electronic Pulse Measure Circuit of Time Interval with Good Anti-Radiation;
一种高抗辐射SOI CMOS电脉冲时间间隔测定电路的研究
Calculation of delay interval of rise-and-fall-frequency pulse in stepping motor with micro-computer control
步进电机微机控制中升降频脉冲延时间隔的计算
ULTRASOUND PULSED DOPPLER REAL TIME SPECTRAL ANALYSIS IN ATRIAL SEPTAL DEFECT SHUNT
房间隔缺损分流的超声脉冲多普勒实时频谱分析
DIAGNOSIS OF VENTRICUKAR SEPTAL DEFECT (VSD) BY ULTRASONIC PULSED DOPPLER REAL TIME SPECTRAL ANALYSIS
应用超声脉冲多普勒实时频谱分析无损伤诊断室间隔缺损
Pulse Repetition Interval Modulation Recognition of Advanced Radar Emitter Signals;
复杂体制雷达辐射源信号脉冲重复间隔调制识别
The transmitter sends out short intense bursts or pulses of energy with a relatively long interval between pulses.
发射机发出的是短促而又强烈的，具有相当长的时间间隔的能量“突发”即能量脉冲。
high speed isolated-input pulse amplifier
输入隔离的高速脉冲放大器
A circuitry system or device which, with a signal stimulus, producesa fixed number of equally spaced pulses
一种带有信号激励的电路系统或装置,能产生一定数量的间隔相等的脉冲。