This paper presents X-band pulse radar transmitter system an important component of the pulse modulator circuit design program on the pulse modulation principle and related hardware circuit design and modulation power measurement circuit.
本文提出X波段脉冲雷达系统发射机中重要组成部分之一脉冲调制器电路的设计方案，介绍了脉冲调制相关原理及其硬件电路的设计和调制功率的测量电路。
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched28MHZ are continuous carrier amplitude.
该遥控装置采用晶体稳频脉冲调幅发射机，电路较简单，频率稳定度高，发射的是间断的28MHZ等幅载波。
Mud pulse modulation data flow is thin, but current transmitter as far distance transmission means has been widely applied other field, technology is mature.
泥浆脉冲方法目前应用较多，但数据流量稀疏，电流环技术作为远距离传输手段已被广泛的应用于其它领域，技术成熟。
Class D audio amplifier is used in this design, which built-in pulse-width modulator transmitter modulation is to achieve integration.
同时，还利用了D类音频放大器内置的脉宽调制器实现发射机调制电路的集成。
The Design of OEIC Transmitter for High Speed Pulse Code Modulation
高速脉码调制OEIC光发送机驱动电路的设计
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。
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
This paper discusses the effect of staggered pulse modulation, especially the staggered pulse string modulation on the spectral quality of RF singnals in radar transmitter.
本文就参差脉冲调制对主振放大式发射机信号频谱纯度的影响进行初步探讨，针对某超低空搜索雷达采用的成组参差脉冲调制形式对发射机信号频谱纯度的影响进行分析。
On the basis of test data taken in a radar transmitter with modularized solid-state modulator, this paper deals with the effect of improving modulation pulse waveforms on the transmitter performance, and gives the achieved performance index.
以某型雷达发射机采用模块化固态调制器后的试验数据为依据，分析了调制脉冲波形改善对雷达发射机性能的影响，并给出了所达到的实际指标。
Effect of Staggered Pulse Modulation on Spectral Quality of Radar Transmitter RF Signal
参差脉冲调制对发射机信号频谱纯度的影响
The transmitter's data transmission applies the technology of pulse-code and digital frequency modulation.
其发射机采用脉冲编码和数字调频技术进行数据传输。
Discussed Shallowly the Entire Solid State Pulse-duration Modulation (PDM) Broadcast Transmitter's Movement and Maintained
浅谈全固态脉宽调制（PDM）广播发射机的运行与维护
The bit-synchronous phase pre-modulation imposed on non-return-to-zero (NRZ) signals at the transmitter can reshape the NRZ pulse to return-to-zero (RZ) waveform and hence improve the eye opening.
通过在发射端对非归零（NRZ）的光信号进行比特同步相位预调制，使非归零码在传输过程中得到波形重整，演变为归零（RZ）的波形，从而提高眼图开启度。
Modulation Theory is employed to analyze the side phase noise generated from radio-pulse signal influenced by incidental phase modulation. In addition to the measurement theory and practical application technique of phase noise, the concept and measurement method of transmitter phase noise are introduced.
应用调制理论分析了射频脉冲信号受寄生调制的影响而产生的边带相位噪声，提供了相位噪声测量的理论和实际应用技术，介绍了测量发射机相位噪声的概念和方法。
After comparing with the performance of double sideband modulation and single sideband modulation, Single sideband modulation based on phasing was used for RF pulse modulation, which can cut down the peak power of RF pulse transmitter and achieve a precise phase.
在分析双边带和单边带调制的性能后，采用移相法实现RF 脉冲的单边带幅度调制，并给出了具体的实现算法和仿真。