pulse modulation

1. The principle of impulse radio ( IR), several kinds of pulse generators, pulse modulation and signal emission for UWB Radio, as well as characteristics of UWB-IR are mainly presented and concluded.
   重点分析了脉冲无线电方式的原理，脉冲的几种产生方法，调制、发射以及脉冲信号的技术特点。
2. Characteristics of Q-switched CW YAG lasers with pulse modulation
   脉冲调制连续YAG激光器调Q特性研究
3. Design and Temperature Drift Test of Pulse Modulation Constant Temperature Difference ( CTD) Control Circuit of Thermal Flow Sensor
   脉冲调制型恒温差风速计控制电路的设计及其温漂特性测试
4. Affection to Phase Noise of a CW Carrier by the Pulse Modulation
   脉冲调制对连续波载波单边带相位噪声的影响
5. ABSTRACT The basic theory and numerical implimentation of a new approach to analyze and synthesize the fluid pulse modulation control system are carried out in this dissertation.
   本文研究了流体脉冲调制系统分析与综合技术的基本理论方法和技术。
6. The laser pulse modulation system consists of cavity dumper driver, matching net and acoustooptic energy convertor.
   超短脉冲激光调制系统包括腔倒空驱动器、匹配网络和声光换能器。
7. Pulse Modulation Characteristic of High Power Continuous CO_2 Laser and its Application in Special Cladding
   高功率连续CO2激光器脉冲调制特性及特殊熔覆应用
8. This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.
   利用平-凸透镜准直器作扩束耦合光学系统，采用低频斩光器实现光调制。
9. Application of LiTaO_3 amplitude modulator in the pulse modulation
   LiTaO3光幅度调制器在脉冲调制中的应用
10. The input signal is pulse modulation.
    被测信号为脉冲调制信号。
11. The present paper presents the theoretical analysis and the experimental study of the dynamic behavior of picosecond optical pulse generation from gain switching semiconductor lasers under short electrical pulse modulation.
    对半导体激光器短电脉冲调制增益开关法产生皮秒光脉冲动力学过程进行理论分析和实验研究。
12. The effects of the pulse modulation waveform distortion on the transmitter performance, that is, the effects of the pulse top fluctuation, linear droop, leading anti trailing edges on the transmitter RF pulse quality, have been analysed in detail.
    本文详细分析了脉冲调制波形畸变对雷达发射机性能的影响，即脉冲顶部波动、线性降落、脉冲前、后沿对发射机射频脉冲质量的影响。
13. Single Small Amplitude Pulse Modulation of the Laser Diode
    对半导体激光光源实现微弱幅度的单脉冲调制
14. A Frequency Discriminator for Pulse Modulation Signals
    一种脉冲调制信号鉴频器的设计
15. Increment-modulation and pulse-modulated frequency are two different methods in pulse modulation.
    增量调制和脉冲调频是两种不同的脉冲调制方式，应用这两种方式可有效地对次声频信号作调制解调。
16. The Effects of the Pulse Modulation Shape Distortion and the Power Supply Ripple on the Radar Transmitter Performance
    脉冲调制波形畸变和电源纹波对雷达发射机质量的影响
17. This paper introduces mainly phase noise and its spectrum characters in pulse modulation wave, and promotes a new measurement system about phase noise using Digital PLL ( Phase Locked Loop).
    本文着重分析了脉冲调制波的相位噪声及其功率谱，提出了一种利用数字锁相环测试相位噪声的实现技术方案。
18. 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。
19. In the paper, the expression method of the frequency stability of the pulse modulation wave was expounded.
    本文主要阐述了脉冲调制信号频率稳定度的时，频域表征方法，指出脉冲调制波频稳宜用相对单边功率谱表征，而不宜用阿仑方差表征；
20. The part of driving includes constant current control, constant power control and pulse modulation control.
    驱动部分又包括恒电流控制，恒功率控制和脉冲调制控制三个方面。
21. We have found and analyzed the phenomenon of pulse modulation and autoecious pulse.
    针对实验中发现的脉冲序列调制、尾脉冲等现象进行了分析与讨论。
22. The application of integrated phase-locked loop in the laser pulse modulation system
    集成锁相环在激光脉冲调制系统中的应用
23. Meanwhile, we study the influences of pulse modulation on the electrical breakdown voltage.
    同时，研究分析了脉冲调制参数对击穿电压的影响。
24. The SVPWM pulse modulation technology and its theoretical basis and implementation algorithm were introduced.
    并介绍了SVPWM脉宽调制技术，论述了其理论依据和实现算法。
25. MCU through pulse modulation and zero trigger thyristor voltage regulator technology, control the temperature of microwave oven.
    单片机通过脉冲调制技术和过零触发晶闸管调功技术，控制微波加热炉的温度。
26. The pulse modulation and frequency shift modulation technologies have been studied theoretically and experimentally based on the detailed introduction of operation principle of electro-optic modulator ( EOM).
    在详细介绍电光调制器（EOM）工作原理的基础上，理论并实验研究了EOM脉冲调制和移频调制技术。
27. The digital audio power amplifier, also named class d audio power amplifier, is a pulse modulation amplifier.
    数字功率放大器，也称为D类音频功率放大器，是一种脉冲调制型放大器。
28. The traditional space vector pulse modulation algorithm is based on α-β coordinate system.
    在多电平逆变器空间矢量调制算法的研究中，传统的空间矢量脉宽调制算法采用的是α-β坐标系。
29. Introduced commonly used in a variety of radar pulse modulation characteristics analysis of recognition algorithms and simulation analysis. Compared the effectiveness and accuracy of the various analysis of recognition algorithms under different conditions recognized by the signal modulation characteristics of the radar pulse. 2.
    讨论了常用的各种雷达信号脉内调制特征分析识别算法并进行了仿真分析，比较了各种分析识别算法在不同条件下对雷达信号脉内调制特征识别的有效性和准确性。
30. DSP has been used to achieve pulse modulation output and signal sampling.
    用DSP实现脉冲调制输出和信号采样。

noun

1. modulation that imposes a signal on a train of pulses