• 数字数字解调器关键部件

    Digital phase lock loop is a key part of the digital demodulator.

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  • 针对上述缺点本文给出一种数字解调器方案

    To avoid these disadvantages, an all-digital demodulator scheme is given in this paper.

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  • 本文提出了一种可用于DVB - TOFDM数字解调器

    In this paper, an all-digitized OFDM demodulator for DVB-T is proposed.

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  • 本文通过数字同步技术研究提出一种新的OQPS K数字解调器

    Based on the study of digital synchronization techniques, this paper proposes a new all-digital demodulator for OQPSK.

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  • 随后风云二号气象卫星中频数字解调器总体结构方案基础数字变频定时同步部分进行了重点研究。

    Then, based on the overall structure of the IF all-digital demodulator for FY-2 meteorological satellite, the digital down conversion and the timing synchronization are deeply researched.

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  • 最后通过误码性能系统联合锁定时间进行仿真验证了数字解调器性能,FPGA中实现了载波恢复模块

    Finally, the performances of this digital demodulator are tested through the simulation of BER and the system joint lock-time, and a carrier recovery module is implemented in FPGA.

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  • 调制解调器拨号时如铺沥青般的刺耳声音,曾经成为数字时代代表标志,但如今不过只是凭添使用者怀旧的忧伤。

    The high-pitched shrieking of dial-up modems, once the herald of a new digital age, now increasingly evokes a bygone era. It may even make some users feel nostalgic.

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  • 接收端的计算机调制解调器模拟语音信号解调还原计算机能理解数字形式

    The modem of the receiving computer demodulates the analog sound signal back into a digital form that the computer can understand.

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  • 调制解调器模拟数字信号之间进行转换设备

    A modem is a device that converts between analog and digital signals.

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  • 调制解调器实现模拟信号数字信号互相转变设备,通过它用户的电脑才可连接因特网

    Modem enables the mutual conversion of analog signals and digital signals. Dial up connection is impossible without medom.

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  • 基于模拟数字IQ解调器构建了PAD分别实验室速调管长廊进行测试

    Two kinds of PAD, based on analog and digital I/Q demodulator respectively, have been constructed and tested in both laboratory and the klystron gallery of BEPCII linac.

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  • 信息可以数字信号形式电力线传输通过调制解调器直接传输图象信号。

    The information could be transferred on the power line in the form of digital signal, or on the telephone line by a modem with and image.

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  • 一种对信号进行调制解调功能部件调制解调器功能之一就是使数字数据经由模拟传输设施进行传送。

    A functional unit that modulates and demodulates signals. One of the functions of a modem is to enable digital data to be transmitted over analog transmission facilities.

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  • 文中提出了一种CD MA调制解调器射频电路数字基带处理电路框图分析了它们的组成及工作过程,设计了扩展功能系统连接器

    A new design of RF block diagram, digital baseband block diagram of CDMA modem, the form and working-process are analysised, in order to expand function, a system connector is designed.

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  • 调制解调器转换装置模拟数字信号

    A modem is a device that converts between analog and digital signals.

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  • 本文利用软件无线电思想毫米波保密通信设计一个数字调制解调器

    This paper designed a full digital modulator and a full digital demodulator for the millimeter wave communication machine based on the soft radio theory.

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  • 分析卫星数字电视接收系统性能以及卫星数字电视接收机R-S解码器卷积解码器QPSK解调器等部分电路系统抗噪声性能的贡献。

    This paper analyses the anti-noise performance of digital satellite TV receiver system, and discuses the anti-noise capability of R-S decoder, of convolutional decoder and of QPSK demodulator.

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  • 调制解调器转换数字信号电脑通过电话线传输模拟信号。

    A modem converts the digital signals of the sending computer to analog signals that can be transmitted through telephone lines.

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  • 数字系统模拟系统之间需要个转换器,以便使两种系统相互理解调制解调器的作用就在于此。

    Digital and analog systems need an interpreter in order to understand each other. and that's where the modem (short for Modulator DEModulator) comes.

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  • 解调器数字混频器数字频率合成器(DDFS)低通滤波器构成。

    This initial demodulator incorporates a digital mixer, DDFS and low-pass filter.

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  • 介绍种以数字信号处理器(DSP),调制解调器MODEMCAN总线为主构成的分布式多级通信系统系统成功应用于某通信站自动监控系统中。

    The paper introduces a multilevel telecom system made of DSP, MODEM and CAN BUS. The system is successful used in Auto-supervisory System of a Communication station.

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  • 提出了一种数字PS K调制解调器结构模型

    Based on mathematical model of PSK modulation, the structure of an all digital PSK modem is proposed.

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  • 电话线调制解调器可以听懂声音还原计算机能够理解数字信息

    A modem on the other end of the line can understand it and convert the sounds back into digital information that the computer can understand.

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  • 解调器接收机中的关键部件数字接收机模拟接收机区别始于解调器

    Demodulator is a key part in a receiver and the difference between an analog receiver and a digital receiver begins from it.

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  • 发明调制解调器为了数字计算机信号转换允许它们电话线路中传输的形式。

    Modems were invented to convert digital computer signals into a form that allows them to travel over the phone lines.

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  • 第一解调器接收数字信号首次通过数字输出信号引脚MPEG信号。

    The first demodulator receives the first digital signal and outputs an MPEG signal via the digital signal pins.

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  • 可以说接收机数字主要内容就是设计数字解调器

    The design of digital demodulator plays an important role in digital receiver development.

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  • 数据电路数字调制解调器(dsu)本公司供租维护用户终端设备(CPE)由用户自备与维护。

    Data Circuit and Data Service Unit (DSU) are provided and maintained by CHT while the customer Premises Equipment (CPE) is provided and maintained by the customer.

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  • 提出基带解调器核心数字电视转发器设计方法

    This paper puts forward the design method of DTV transposer using baseband demodulator as its core based on the analysis of its present status.

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  • 提出基带解调器核心数字电视转发器设计方法

    This paper puts forward the design method of DTV transposer using baseband demodulator as its core based on the analysis of its present status.

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