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- It's the combination of modulator and demodulator. 调制解调器是由调制器和解调器组成。
- A transfusion speed monitor system is designed based on infrared technology with modulation and demodulation. 摘要设计了一种利用红外光的脉宽调制信号来采集输液信息的医用微量输液装置。
- The paper introduces the principle of QPSK modulation and demodulation, the circuit are also be realized based on FPGA. 文中介绍了QPSK调制解调的原理,并基于FPGA实现了QPSK调制解调电路。
- First, the features of fax communication and the mode of modulation and demodulation are described. 首先对传真通信的特点作了阐述，简单介绍了传真信号的调制、解调方式。
- The effect on modulation and demodulation of QPSK via carrier phase noise can not be ignored, and it is difficult to analyze. 载波相位噪声对QPSK调制解调的影响是不可忽略的,也是难以分析的。
- It relates to decide some physical layer parameters including transmitting power, modulation and coding scheme (MCS) and demodulation order. 此法牵涉到决定一些实体层的参数，例如传送功率、调变和编码方式以及解调次序。
- At the year of 1971, Weinstein and Ebert applied DFT in parallel transmission system, as a part of modulation and demodulation. 1971年,Weinstein和Ebert把离散傅里叶变换(DFT)应用到并行传输系统中,作为调制和解调过程的一部分。
- The error correcting encoding and decoding, interleave and deinterleave, and DMT modulation and demodulation are analyzed in detail. 分析了信道编译码方法、交织与解交织及DMT调制与解调等关键技术。
- The Operation Theory and Design of PWM Modulation and Demodulation;The Operation Theory and Design of ADC and DAC Converters. 脉波宽度调变与解调变之原理探讨与设计及数位类比转换之原理探讨与设计。
- With the development of software radio, the requirement for technology of modulation and demodulation is higher and higher. 软件无线电的发展,对调制解调技术提出了越来越高的要求。
- Which device connects a computer with a telephone line by providing modulation and demodulation of incoming and outgoing data? 哪一个设备将电话线和计算机连接到一起，并且提供了对输入和输出的数据的调制与解调功能？
- Digital Down/Up Converter(DDC/DUC), modulation and demodulation are discussed in the dissertation as some essencial parts of SDR platform. 本文以软件无线电的理论为基础，研究了软件无线电中的部分关键技术：包括数字上／下变频的实际处理模型以及调制解调部分的实现。
- They are ideally suited for use in analog-to-digital conversion (ADC), long term integration, linear frequency modulation and demodulation, and frequency-to-voltage conversion. 它们非常适用于模数转换(ADC)、长时间积分、线性调频和解调以及频压转换(FVC)。
- A model of DPSK modulation and demodulation system with base band signal are simulated on the basis of a FPGA development platform Quartus II 3.0 developed by Altera. 用Altera公司的FPGA开发平台QuartusII3.;0实现了一个对基带信号的DPSK调制解调系统模型的仿真。
- In this paper, we study the OFDM technology based on 802.16a, realize the baseband modulation and demodulation by using TMS320C6201, and optimize the software module. 本文研究了基于802.;16a的OFDM技术;利用TMS320C6201实现了其基带调制解调;并对软件模块进行了优化。
- Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM). 实现信号的调制解调功能，包括各类调制如ASK(调幅),PSK（调相）,FSK（调频）。
- It also studies the algorithms of FSK, MSK, GMSK modulation and demodulation mode, and summarizes the general the software modulation and demodulation algorithm. 进行了FSK,MSK和GMSK调制解调的算法的研究,并在此基础上总结了部分数字信号调制的通用的算法。
- Two Way Automatic Communication System(TWACS) is a new valuable communication technology for distribution networks,which has special of modulation and demodulation. 双向工频通信技术(TWACS)是一种基于电力配电网络的新型通信技术,具有独特的调制解调机理。
- The complementary code keying (CCK) is introduced by IEEE 802.11b to provide the high-rate communication.We investigated the modulation and demodulation method for CCK. 由于802.;11b协议使用CCK调制进行高速数据传输，所以针对CCK的调制和解调方法进行了相应的研究。
- Based on the theory of signal process, we demonstrate it is feasible to use PWM technology to modulate and demodulate the audio signal. 此外本文还根据信号理论，详细论证了脉冲宽度调制技术对语音信号的调制与解调的可行性。
