The paper chiefly introduces the principle of all-digital modulation in IF. The key issue of how to design a all-digital modulator is emphasized.
介绍中频全数字调制技术的原理，重点讨论设计全数字调制器的关键问题。
This paper designed a full digital modulator and a full digital demodulator for the millimeter wave communication machine based on the soft radio theory.
本文利用软件无线电的思想为毫米波保密通信机设计了一个全数字的调制解调器。
In this paper a method of designing and implementing Field Programmable Gate Array (FPGA) digital modulator based on the improved Direct digital Synthesizer (DDS) technology is presented.
提出了一种基于改进直接数字频率合成(DDS)技术的现场可编程门阵列(FPGA)数字调制器设计与实现方法。
The FLL features digital frequency locked loop (FLL) hardware that, in conjunction with a digital modulator, stabilizes the DCO frequency to a programmable multiple of the watch crystal frequency.
在FLL功能数字频率锁定环(FLL)的硬件，与数字调制器，稳定会计频率可编程多的观赏晶体频率。
Electrooptic phase modulator is critical part in digital closed-loop FOG system, the function of which is to create bias phase, so that to make FOG working around zero point.
电光相位调制器是数字闭环光纤陀螺系统中的关键部件，主要用于产生偏置相移，使整个闭环系统始终工作在零点附近。
The digital pulse width modulator adopts CMOS technology and is suitable for a variety of speech synthesis integrated circuits.
本文所设计的数字脉冲宽度调制器采用CMOS工艺，适合于不同的语音合成集成电路。
The module is made of high speed amplifier, AGC circuit, digital logical circuit, intensity modulator drive circuit, and intensity modulator.
该模块由高速前放电路，数字逻辑电路，强度调制器驱动电路，自动增益控制电路，以及强度调制器组成。
This paper describes the realization of ATSC 8-VSB Modulator of the VSB-based HDTV terrestrial broadcasting system by using almost all digital methods.
本文介绍了一种用数字方式实现美国数字电视地面广播系统中的8VSB调制器的方法。
This invention discloses a Delta-Sigma Digital to Analog Converter (DAC), comprising a Delta-Sigma modulator and a Finite Impulse Response (FIR) filter.
本发明揭露一种三角积分数模转换器，其包含三角积分调制器以及有限脉 冲响应滤波器。
Task of the subject is to complete the design and implementation Modulator, which is an important equipment of cable digital vedio broadcasting, with the core chip FPGA device selection.
本课题目的是完成有线数字电视广播系统的重要设备——调制器的设计和实现，核心器件选用FPGA芯片。
The Delta-Sigma modulator receives an over-sampled digital signal and generates a shaped digital signal.
三角积分调制器接收过采样数字信号并产生整形数字信号。
This paper presents a digital pulse width modulator based on MCS-51 Microcomputer.
本文介绍了单片机控制的数字脉宽调制器。
In this motionless holographic technique, light is reflected, or emitted from a 3d object, propagates through a spatial light modulator (SLM), and is recorded by a digital camera.
在这一静态全息技术中，光由三维物体反射或发射，在通过空间光调制器(SLM)后，用数码相机记录。
Digital and analog systems need an interpreter in order to understand each other. and that's where the modem (short for Modulator DEModulator) comes.
数字系统与模拟系统之间需要有一个转换器，以便使两种系统相互理解。调制解调器的作用就在于此。
The algorithm is verified by experiments and the modulator can produce digital modulation signals with good EVM(Error Vector Magnitude) and spectrum mask.
通过验证，所产生的调制信号具有良好的误差向量幅度（EVM）和频谱特征。
At the modulator output, the digital filter addresses high-frequency noise and high-speed-sample-rate issues.
在调节器输出，数字滤波器解决了高频噪声和高速采样率的问题。
At the modulator output, the digital filter addresses high-frequency noise and high-speed-sample-rate issues.
在调节器输出，数字滤波器解决了高频噪声和高速采样率的问题。
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