接着介绍了遥控遥测常用的数字调制信号的软件调制解调的数学模型和实现方法。
Then, the paper introduces the math module and achieving method of software modulation and demodulation of common digital modulating signals used in telecontrol & telemetry system.
本文基于软件无线电的思想，研究并实现了以 多媒体计算机声卡和DSP为基本 硬件平台的PSK信号的软件调制解调。
In this paper, according to the thinking of software radio, a PSK soft-modulation and soft-demodulation system based on audio-card and DSP is studied and implemented.
传送这个1Mb的软件用时要1小时左右，“堪比”20世纪90年代调制解调器的速度。
Uploading this one-megabyte software update takes around an hour, so its speed is comparable to that of a 1990s modem connection.
本文的意义在于采用软件方法实现了数字化调制与解调，它是基于PC机声卡来完成的。
The significance for this paper is to realize digitized modulation and demodulation by means of the software. It is based on the audio-card of PC.
本文针对有载波偏移的零中频bps K调制信号提出了一种软件解调系统。
The paper presented a software demodulating system of BPSK zero-IF signal containing carrier offset.
在一个调制周期内，可预先求出几个死区电压矢量的合成矢量，用控制软件的方法实现对参考空间电压矢量的校正，从而消除死区效应。
During a modulation period, several dead voltage vectors were synthesized. Using the control software, the reference voltage space vector could be corrected. Thus the dead-time effect was eliminated.
介绍了DCAC系列智能电源逆变器的功能，软件PWM技术及其交流电压输出调制技术。
The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology.
通信服务器负责转换网络上的软件包，并允许所有的网点进入其调制解调器中。
Communications servers translate packets on a network and allow all nodes access to its modems.
本课题主要是利用频罩法实现高效的原型滤波器设计和调制滤波器组的设计与实现，并利用MATLAB软件对所研究的内容进行了仿真。
This thesis mainly designs the efficient prototype filter and modulation filter set using the method of Frequency-Response Masking (FRM) and simulates them using MATLAB software.
调制解调算法在每一个软件无线电中发挥着核心的作用，并且直接影响到系统的性能。
Modulation Demodulation algorithm is the core of software radio and affects the system performance directly.
本文在对软件无线电中频调制解调器研究的基础上，提出了一种新的思路和解决方法。
The paper provides a new thought and solution based on the research of the IF modulator and demodulator of Software Radio.
本文论述了一种基于软件无线电的甚低频低码率语音数字岩层通信机，它采用了QPSK调制和FEC信道编码技术。
This paper deals with a digital speech communicator of very low frequency and low bit digital communication based on software ratio, which USES the technique of QPSK and FEC coding.
通过分析连续可变斜率增量调制(CVSD)的语音编译码工作原理，对CVSD的软件算法进行了详细地剖析。
Through analyzing the speech code-decode principle of the Continuously Variable Slope Delta modulation (CVSD), the CVSD algorithm is discussed in detail.
给出了产生基带波形的几种设计方案以及几种雷达信号调制算法及软件实现设计图。
And several design ways of making base-band radar signal, modulating arithmetic of several radar signals and the software design architecture of radar signal experimental system are given out.
介绍了简易v .23二进制频移键控(2fsk)调制解调器的工作原理、算法分析以及基于可编程器件DSP的软件设计方法。
The working principle, algorithm analysis and software design method of a simplified V. 23 2fsk modem based on DSP which is a kind of programmable chip are introduced in this article.
自动调制方式识别应用范围广泛，对于军用软件无线电侦察接收机更具有十分重要的意义。
Automatic identification of the modulation type of a signal has found applications in many areas, especially important for military software radio interception receiver.
通信信号调制方式的自动识别和调制参数的自动估计是非协作通信和软件无线电中的重要问题。
Automatic modulation recognition and modulation parameters estimation are key problems in non-cooperative communication systems and Software Defined Radio.
CAT V收费控制系统中我们项目组完成了系统软件设计、前端数据调制器、终端收费控制器的开发工作。
The CATV charge and control system is mainly composed of the management software, the header data modulator and the terminal charge and control equipment.
是的， 当时软件是最主要的工具，还有9600波特拨号调制解调器。
方法在传输和接收的电脑上安装调制解调器及相关软件，经过设置后通过拨号连接并传输影像资料。
Method Install modems and the related software on the transmitting computers and receiving computers, by dial-up after the setting, connect and transmit image data.
文中着重阐述系统和功放电路的工作原理、数字脉宽调制器的硬件电路、软件设计方法，并给出实验结果。
In this paper, the operation principles of the total system and power-amplifier circuit, design method of digital PWM hardware circuit and software are described, and.
并以三相半波可控整流电路、滞环比较方式的电流跟踪控制、利用S函数实现空间矢量脉宽调制为例说明了软件的使用方法。
Three-phase half wave controlled rectifier, hysteresis comparison mode current track control, and realization of SVPWM by S-Function are used as examples to describe the usage of the software.
该软件支持两台计算机通过调制解调器拨号连接，也支持两台计算机通过串口对接线直接对接。
This software supports creating connection between two computers both by modem dialing and directly with a serial-port to serial-port line.
用软件无线电技术实现的调制解调灵活性好，可以通过空中下载实现不同的调制方式，从而适应不同的通信体制。
It is flexible for the modulation and demodulation by software, and it may realize different modulation mode through the airborne downloading, therefore it suits the different communication systems.
在集成DSP电机控制器admc331软硬件结构的基础上，编制了空间矢量脉宽调制软件，并给出了相应的实验结果。
Software of the space vector PWM are worked out and correlated experiment results are achieved, which based on an integrated DSP motor controllers ADMC331.
本设计基于软件无线电的思想，使用软件的方法直接对短波信号进行处理，实现AM语音调制语音信号全数字解调。
In my design, signal is processed directly with software method based on software radio idea, which realizes the AM signal demodulation.
本设计基于软件无线电的思想，使用软件的方法直接对短波信号进行处理，实现AM语音调制语音信号全数字解调。
In my design, signal is processed directly with software method based on software radio idea, which realizes the AM signal demodulation.
应用推荐