通过对解调原理的分析,用构造的数学模型来模拟解调过程。
Deal with the analysis to the principle of demodulation, imitating with the mathematics model of the structure to actualize the process of demodulation.
时钟同步和载波同步是接收机的关键问题,传统模拟解调可靠性、稳定性差,调试复杂。
Time synchronization and carrier synchronization are cruxes of receiver. The reliability and stability of traditional analog demodulation are bad, and adjustment is complex.
在对光纤陀螺信号检测理论分析的基础上,设计了模拟解调电路、数字逻辑电路等,并进行了样机测试。
Based on the analysis to signal detection theory of FOG, the analog demodulation circuit and digital logic circuit etc were designed, and prototype test was carried out.
针对低成本光纤陀螺的电路检测方案开展研究,提出一种模拟解调、方波调制和阶梯波反馈的闭环方案。
In the study of circuit detection scheme for the low-cost Fiber Optic Gyroscope (FOG), a closed-loop scheme for analog demodulation, square wave modulation and step wave feedback was put forward.
这些设备各种各样,包括IP及模拟电话、PDA、机顶盒(Set-Top Box,STB)、PC、DSL或家庭网关(Residential Gateway)调制解调器、无线接入点(WirelessAccessPoint)路由器、TV等。
These devices are heterogeneous and includes IP and analog phones, PDAs, set-top boxes (STB), PCs, DSL or Residential Gateway modems, Wireless Access Point routers, TVs, and so on.
接收端的计算机的调制解调器将模拟语音信号解调还原为计算机能理解的数字形式。
The modem of the receiving computer demodulates the analog sound signal back into a digital form that the computer can understand.
由模拟器件构成的宽带正交解调接收机会由于正交通道的幅相不一致性造成整个系统的失真,进而影响整个接收系统的性能。
The system distortion is inevitable in wide-band analog quadrature receiver because of the existing of amplitude and phase errors, the performance of receiver become worse.
调制解调器是在模拟和数字信号之间进行转换的设备。
A modem is a device that converts between analog and digital signals.
调制解调器是实现模拟信号和数字信号互相转变的设备,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.
对比模拟复解调,说明数字复解调的优越性以及它们的应用和发展前景。
Comparing to analog IQ demodulation, the advantage and application future of digital IQ demodulation are described in this paper.
根据FSK信号特点,模拟了一种基于模式识别的FSK信号解调新方法。
In this paper, a new method of FSK demodulation based on pattern recognition principle is simulated.
一种对信号进行调制与解调的功能部件,调制解调器的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.
通过实验的基础上设计的数字系统中,类似的解调曲线理论模拟,数字闭环这个计划的可行性证明。
By the experiment based on the designed digital system, a demodulation curve resembling theoretic simulation is obtained, and the feasibility of this scheme of digital close-loop is proved.
数字与模拟信号的调制解调是通信系统的核心。
The modem of analog and digital signal is the center of communication system.
基于模拟和数字I/Q解调器,构建了两种PAD,并分别在实验室和速调管长廊进行了测试。
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.
CRT时代,数字电视与模拟电视最大的区别是数字电视多数字电视解调芯片、MPEG - 2解码芯片和视频DAC。
In the era of CRT, the largest difference between digital TV and analog TV is digital TV has digital TV decode chip, MPEG-2 decode chip and video DAC.
平板电视时代,数字电视和模拟电视的差别在于数字电视多数字电视解调芯片、MPEG - 2解码芯片,视频DAC不需要了。
In the era of flat panel TV, the difference between digital TV and analog TV is digital TV has digital TV decode chip, MPEG-2 decode chip, so video DAC is not needed.
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。
Digital and analog systems need an interpreter in order to understand each other. and that's where the modem (short for Modulator DEModulator) comes.
分析了相位载波(PGC)技术的模拟数字混合解调方案,提出了一种改进的模拟数字混合系统。
An improved analog-digital mixed system is put forward on the bases of scheme of phase generated carrier (PGC).
从理论上分析了在强度解调系统中采用光脉冲编码及相关算法提高测量动态范围的可行性,并通过模拟仿真及实验方法进行了论证。
The method which can improve the system dynamic rang by using the coded pump pulse and correlation algorithm is analyzed theoretically, and feasibility is demonstrated by the simulation.
如果有模拟调制解调器,则可以通过该调制解调器连接到参考服务,以建立服务。
If you have an analog modem, you can use it to connect to the referral service to establish service.
解调器是接收机中的关键部件,数字化接收机与模拟接收机的区别始于解调器。
Demodulator is a key part in a receiver and the difference between an analog receiver and a digital receiver begins from it.
调制解调器是在模拟和数字信号之间进行转换的设备。
The Study of the New Coherent Modulation demodulation Function Set in Chen-Mobius Analog Communication Systems;
调制解调器是一间转换装置,模拟和数字信号。
A modem is a device that converts between analog and digital signals.
一份最新的报告称:“1996年,全世界家庭远程访问链接中的96.”5%使用的是模拟式调制解调器。
Analog modems represented 96.5% of the worldwide installed base of home remote access links in 1996, "a recent report states."
调制解调器转换数字信号把电脑通过电话线传输到模拟信号。
A modem converts the digital signals of the sending computer to analog signals that can be transmitted through telephone lines.
工业的数据无线调制解调器可以双向传输数字、模拟、串行和CAN数据,传输距离可达到300m。
Industry data can be two-way wireless modem to transmit digital, analog, serial and can data transmission distance can reach 300m.
工业的数据无线调制解调器可以双向传输数字、模拟、串行和CAN数据,传输距离可达到300m。
Industry data can be two-way wireless modem to transmit digital, analog, serial and can data transmission distance can reach 300m.
应用推荐