GMSK modulation technology is used to improve spectrum utilization and communication quality.
利用GMSK调制技术提高了频谱利用率和通信质量。
Adaptive modulation technology is one of the crucial techniques for the mobile broadband systems.
自适应调制技术是移动宽带通信系统的核心技术之一。
This thesis studied the modulation and demodulation technology of CDMA by comparing several technologies.
本文主要研究了CDMA技术中调制解调方法的选取与比较。
Based on the phase shift pulse width modulation technology, the mathematical non-linear model is developed.
基于移相载波调制，建立了变频器的非线性数学模型。
Adopt high frequency multi voltage circuit, PWM pulse width modulation technology and high-power IGBT devices.
采用高频倍压电路，应用PW M脉宽调制技术和大功率IGBT器件。
The feasibility of DC modulation technology application in the Northwest China grid was studied in this paper.
对直流调制技术在西北电网应用的可行性进行了研究。
The control scheme gets the switch control signal of inverter with the space voltage vector modulation technology.
系统采用空间电压矢量脉宽调制技术得到逆变器的开关控制信号。
The spread spectrum communication technology regarded as an advanced modulation technology has been drawing more and more attention.
扩频通信技术作为一种先进的调制技术，日益受到世人关注。
A novel induction heating power based on current hysteresis band control and SVPWM modulation technology is introduced in this paper.
介绍了一种新颖的基于电流滞环和空间电压矢量调制(SVPWM)技术的电压、电流双闭环感应加热电源。
This article studies the high gain code and the modulation technology from the software aspect, and take the key research on the latter.
本文从软件方面来对高增益编码与调制技术进行研究，其中以后者作为重点研究。
The modulation technology of the third generation mobile WCDMA system including the QPSK is introduced in this paper, including the QPSK.
介绍第三代移动通信WCDMA系统的调制技术，包括QPSK 调制和解调的基本原理，以及WCDMA 系统的调制方式。
For the sake of the utilization of the exaltation frequency, various kinds of modulation technology extensive adoption among communication system.
为了提高频谱的利用率，各种调制技术在通信系统中被广泛的采用。
The paper introduces the composition, working principle, FSK modulation technology of Model ZJF 1 Power Cable Carrier Equipment and application of PLD.
介绍了Z JF -1型动力电缆载波设备的组成、工作原理、F SK调制技术及PLD器件的应用等。
A polarization modulation technology for a position sensor with grating imaging is presented and its modulation principle is analyzed with Muller matrix.
提出了一种用于光栅成像位置传感器的偏振调制技术，利用米勒矩阵对其调制原理进行了详细的分析。
In electronic warfare, modern pulse compressed radar makes the simple deception jamming useless because of its complicated in-pulse modulation technology.
在电子战中，现代脉冲压缩雷达采用复杂的脉内调制技术，使简单的欺骗干扰难以奏效。
This paper is about a new method of dealing with HFC network upstream influx noise from using FDQAM modulation technology and three-layer configuration model.
提出了一种采用FDQAM调制技术和三层架构模型相结合解决HFC网络汇聚干扰的方法。
The article deals with the functions of DC AC series intelligent power inverters, software PWM technology and alternating voltage output modulation technology.
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。
The7years 'applicable practices indicate that the frequency modulation technology with dc bus voltage ripples is very effective to suppress acoustic resonances.
7年的使用实践表明，直流脉动电压频率调制技术对抑制声谐振现象十分有效。
The second, we summarize the optical heterodyning modulation technology, and calculate the spectrum of optical mm-wave signal generated by this modulation technology.
②总结了光外差调制技术，理论推导了利用光外差调制技术产生的光载毫米波信号的频谱结构。
By using the frequency and speed modulation technology, the electricity consumed will vary with the amount of the wind, thus a remarkable energy-saving result is achieved.
变频调速技术通过改变电动机工作电源频率调节电机转速，消耗的电能随风量大小而变，具有显著的节能效果。
This paper takes modulation technique as main hint, summarizes the essential principle of analogue modulation technology, optical modulation and digital modulation technology.
以调制技术为主线，介绍有线电视系统中模拟调制技术、光调制技术和数字调制技术的基本原理。
This system senses the amount of rainfall by the infrared rain sensor, and adjusts the speed of wiper based on the fuzzy control algorithm and pulse width modulation technology.
该系统通过红外雨量传感器检测雨量大小，使用模糊控制算法和脉宽调制技术调节雨刷器的速度；给出了系统的总体结构和具体设计方法。
Key aspects of well-logging cable data transmission system, such as cable transmission features, modulation technology, design of Manchester encoder and decoder based on complica.
介绍了影响应答器数据传输电缆特性阻抗的主要因素，并结合生产实践讨论了如何进行质量控制。
In order to solve the difficulties encountered by underwater remote control, the pseudo-code modulation technology have been introduced into the field of underwater remote control.
为了解决在水下遥控中遇到的困难，把伪码调制技术引入了水下遥控领域。
The errors are classified according to their frequency. The amplitude and phase errors of the LFM signal generators using quadrature modulation technology are mapped into baseband.
提出了一种将正交调制LFM信号产生系统的幅相误差映射到基带后，在数字域利用复系数FIR滤波器进行校正的方案。
To solve this problem, BICM, which combines the bit interleaver and the coded modulation technology, is proposed. The results show that BICM can obtain more gain in Rayleigh channel.
为了解决这一问题就引出了BICM，它是将比特交织与编码调制技术相结合，结果表明可以得到在瑞利信道下更好的增益。
Proved by the theoretic deriving and simulation result, the COFDM modulation technology is well suitable for high voltage PLC with a high transmission speed, low BER and high reliability.
理论推导和仿真结果表明，COFDM调制技术适合在高压电力线载波通信中使用，在明显的提高数据传输率的同时降低误码率并增强系统可靠性。
OFDM (Orthogonal Frequency Division Multiplexing) is a new modulation technology, it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission.
正交频分复用(OFDM)是一种新型调制技术，特别适合在多径传播的无线移动信道中高速传输数据。
Though PWM modulation technology has already been used in power converter abroad, it becomes a main reason which can produces EMI because PWM modulation signal contains abundant high harmonic.
PWM调制技术已广泛应用于电力电子技术中，但PWM调制信号含有大量的高次谐波，成为产生emi的主要原因之一。
The asymmetric digital subscriber modulation technology is a transitional means to provide subscribers with broadband services prior to the popularization of light - fiber subscriber networks.
异步数字用户环路技术（ADSL）是在光纤用户网络普及之前，向用户提供宽带业务的一种过渡手段。
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