Key Pulsing is a method of signaling by depressing keys on a line otherwise arranged for rotary pulse dialing.
按键脉冲是通过在一条线上按键而不是旋转脉冲拨号的信令方法。
Pulse Position Modulation (PPM) is one of key technologies for laser communication in Atmosphere, which can reduces the output power of the laser and increases communication distance.
脉冲位置调制(PPM)是大气激光通信的关键技术之一，可以减少激光器的发射功率，增加通信距离。
Pulse compression technique includes two key techniques: the pulse compression signal generation and processing.
脉冲压缩技术包括脉压信号的产生和处理两个关键的技术。
Pulse generator is the key technology for electrical discharge machining (EDM).
脉冲电源是电火花加工的关键技术。
The laser echo acquiring and processing technique is a key technique in laser pulse imaging.
激光回波信号采集和处理技术是激光脉冲成像的关键技术。
It is a key problem to detect the ultrashort pulse in optical communication system.
在光纤通信系统中，超短光脉冲的检测一直是一个重要的问题。
In pulse modulation identification is one of radar reconnaissance key technology. Especially, in pulse modulation identification under low SNR is a hot point of recent researching.
脉内调制类型识别是雷达侦察的关键技术之一，特别是低信噪比下的脉内调制识别技术是当前研究的热点。
The main construction and key technique of long pulse length hollow cathode plasma electron gun are presented.
给出长脉冲空心阴极等离子体电子枪结构与关键技术。
The selection of the initial shift register of M-sequence is a key technique in pulse compression waveform design whose pulse compression waveform must have low peak power and large compression ratio.
二相编码波形设计中初始移位寄存器的选择是个关键技术，它直接决定了信号波形在满足最小峰值功率下能否具有最大脉压比。
Generation of powerful pulse current is a key problem for crack arrest by electromagnetic heat effect.
如何产生高强度脉冲电流是应用电磁热效应遏制金属裂纹扩展的一个关键问题。
The key of Ultra-wideband(UWB) technology lies in how to generate the fast rise-time and short-duration pulse.
超宽带（UW B）技术实现的关键之一是如何设计并产生可以控制的UW B极窄脉冲。
The results showed that a certain pulse strength was necessary to achieve embryo fusion, and the duration was a key factor affecting the embryo fusion and its later development.
以上结果表明，一定的脉冲电压强度是胚胎融合的必要条件，而脉冲宽度是影响胚胎融合及其后期发育的关键因素。
The micro-energy pulse generator is one of the key components of the micro-EDM machine tool.
微能脉冲电源是微细电火花加工机床上的重要组成部分。
Solid state radar transmitter assembly is a key part of active array, its control and protection circuits are important elements for realizing solid state pulse power amplifiers.
固态雷达发射组件是有源阵的关键部件，而控保电路是实现固态脉冲功放的重要部分。
The pulse width of the key control signal SPWM is acquired by the sampling method based on median rule.
关键的控制信号SPWM的脉冲宽度采用中值规则采样法来求取。
The true temperature measurement of the sample is the key problem of the pulse heating technique.
脉冲加热技术的关键在于试样真实温度的测量。
Regenerator is one of the key components of pulse tube cooler, and its efficiency can greatly influence the performance of pulse tube cooler.
回热器是脉管制冷机的关键部件之一，其效率对脉管制冷机性能有很大影响。
Designing and building high precise, high voltage pulse generator is expected to be the key technologies for PEF to cold pasteurize liquid food.
PEF非热食品处理的关键技术之一是设计、制造大功率高精度的高压脉冲电源。
Telemetry signals, which are not only convention but also a special type-single wide-pulse ones, are transmitted by the pulse Phase Key (PPK) Reent rant Telemetry system.
在脉冲相位键控(PPK)再入遥测系统中，除了传输常规遥测信号外，还要传输特种遥测信号，即单次宽脉冲信号。
Frame synchronization is a key part in Pulse Position Modulation. The performance of this part affects the whole performance of the PPM system.
帧同步是脉位调制中关键的一部分，其性能的好坏直接影响到整个系统的性能。
The study of pulse transformer is one of the key problems of pulsed power conditioning system.
在脉冲功率调制系统研究中，其核心技术之一是脉冲变压器的研制。
Uniform Pulse Distribution is technical difficulty and key technologies in open-loop CNC which use time-slicing interpolation.
在采用时间分割法插补的开环数控系统中，精插补的脉冲均匀分配是其中一项关键技术，也是技术难点。
The essay expounds the operation principle of the instrument of alterable pulse width YAG Laser hair removal, the complete instrument structure and the key specification.
介绍了可调脉宽YAG激光脱毛机的工作原理，整机结构和关键技术指标。
Preamplifier is one of the key factors which affect APD detection system of laser pulse. The signal-to-noise ratio(SNR) of preamplifier determines the SNR of whole detection system.
前置放大器是影响APD激光脉冲探测系统好坏的关键因素，前置放大器的信噪比决定了整个探测系统的信噪比优劣。
As a key component, the regenerator plays an important role in the refrigeration performance of the pulse tube refrigerator and other regenerative cryocoolers.
蓄冷器是脉冲管制冷机等回热式制冷机的关键部件，其性能的好坏将直接影响制冷机的性能和效率。
Selecting suitable detecting frequency band is the key issue in detecting partial charge through electrical pulse.
电脉冲法检测局部放电的关键问题是确定合适的检测频带。
Efficient initiation of detonation waves is the key to the pulse detonation engine AB.
有效的触发爆震波是脉冲爆震发动机正常工作的关键所在。
This essay narrates TAB manufacturing technology and key techniques - ACF and pulse-heating technology in detail.
详细阐述了TAB制造工艺及其关键技术—acf技术和脉冲加热技术。
Electric wave form was one of the key factors in anodizing, and selecting pulse DC power enabled the oxidizing film to have good quality;
结果表明：电源波形是钛合金阳极氧化着色过程的关键因素之一，选择脉冲直流电源可以获得较好的着色膜性能；
Electric wave form was one of the key factors in anodizing, and selecting pulse DC power enabled the oxidizing film to have good quality;
结果表明：电源波形是钛合金阳极氧化着色过程的关键因素之一，选择脉冲直流电源可以获得较好的着色膜性能；
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