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- 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。
- It's the combination of modulator and demodulator. 调制解调器是由调制器和解调器组成。
- This paper presents an all-digital close-loop operation based on DSP circuits, which uses the two-frequency serrodyne modulation to modulate and demodulate the optic route. 数字信号处理电路的谐振式光纤陀螺全数字闭环是采用双频率数字锯齿波相位调制技术对光路进行了相应的调制和解调。
- Application of PLL in Modulate and Demodulate Circuits 锁相环在频率调制与解调电路中的应用
- A New Modulate and Demodulate Algorithm Used in Short Wave Communication Based on Sound Blaster Card 短波高速串行单音Modem在声卡上的实现
- Keywords Lock-in amplifier;low noise measurement;5-port AC bridge;modulate and demodulate; 锁相放大器;低频噪声测试;5端交流电桥;调制解调;
- 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 remote control system was composed of modulator and demodulator communication units, I/O card, and computer. 该系统由调制和解调环节、I/O卡件和计算机等组成。
- modulate and demodulate 调制与解调
- 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. 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。
- 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。
