本文研究脉冲编码调制(PCM)控制方式的气压位置伺服系统。
A pneumatic position servo system with pulse code modulation (PCM) is described in this paper.
针对瑞利衰落信道中突发模式的空时网格编码的多电平连续相位调制(STTC - MCPM)系统,提出了一种基于数据辅助的符号定时估计算法。
A data aided symbol timing estimation algorithm was proposed for burst-mode space-time trellis coded multi-level continuous phase modulation (STTC-MCPM) systems in Rayleigh fading channels.
针对此系统,提出了简化的LDPC码编码调制译码初始化算法。
For theis system, a simplified LDPC coded modulation decoding initialization algorithm is proposed.
第三章:详细讨论了基于相位调制偏振编码的量子保密通信系统。
Chapter3: This chapter discusses the quantum cryptography system based on phase modulation polarization coding technology in details.
在此基础上,本文重点研究了LTE中的链路自适应方案,对自适应调制编码(AMC)技术以及混合ARQ算法进行了系统仿真。
This article mainly investigated the link adaptation schemes of LTE system based on this simulation platform, and simulated adaptive modulation and coding (AMC) and Hybrid ARQ schemes in the platform.
结合激光唱片记录信息形成过程,对音频数字处理系统。音频纠错编码及EFM调制技术等原理做了分析、探讨。
According to the formed CD recording information, the principle of digital processing system, audio error correcting code and EFM technology is analyzed and explored.
给出一种基于脉冲编码调制原理实现高速数字传输系统中低速设备接入的方法。
On the basis of PCM Encoding Theorem, a method for low rate equipments' imported into high rate digital transmission systems is given.
并提出了一种基于联合定位技术的自适应编码调制传输方案,该方案可有效提高系统资源的综合利用率。
Furthermore, it proposes a solution on adaptive coded modulation system using the hybrid position location technology, which can improve the exploitation of systems.
本文研究了线性码编码的MSK调制系统。
MSK modulation coded by linear codes is studied in the paper.
激光信息场应用系统主要由调制编码和接收解码两个基本部分组成。
The application system of laser information field mainly consists of two basic parts: modulation encoding and reception decoding.
利用该成像系统分别进行了时间域多次曝光,空间域光强编码调制,自适应PID反馈控制三种动态范围扩展实验。
Three dynamic range extending experiments are performed with this system: temporal SLM multi-exposure method, spatial light encoding method and self-adaptive PID feedback control method.
针对全球微波接入互操作性系统中自适应调制编码子载波分配方式,该文提出一种基于多用户分集的资源分配算法。
This paper proposed a resource allocation algorithm based on multiuser diversity based on the subcarrier allocation of adaptive modulation and coding.
从通信系统的角度分析了汽车载波通信系统应该采取的策略,包括有信号的编码、解码,调制、解调,及接收端策略。
Analyzing the automobile carrier communication system from the communication point, including signal coding, decoding, modulating and demodulating and the receiver strategy.
简要地说明了磁编码器在FMS(频率调制系统)中的应用。
A brief description on the application of the encode in Frequency Modulation Systems (FMS) is given.
该系统主要采用小灵通基带芯片ML7338(ARM7TDMI核)和RDA5206射频模块,实现对射频信号的解调,同时对基带信号重新编码再调制发射,很好地解决了普通直放站射频干扰问题。
The ML7338(ARM7TDMI core) and RF module RDA5206 are used to demodulate RF signals, recode, remodulate and transmit baseband signals, thus solving the RF interference problem in traditional stations.
结果证明,该文级联系统取得高出一般位交织编码调制系统2—6分贝的性能增益。
The results show that the proposed cascade system improves the performance gain by 2 to 6 dB compared to traditional BICM system.
系统研究了伪随机编码理论,并硬件实现了瞬态激光伪随机编码调制及同步图像捕捉控制电路。
The pseudo random coding theory is studied, the control circuits of pseudo random laser modulating and image capturing synchronously are designed.
由于在系统中采用编码及载波调制的方法,保证了系统的可靠性。
The methods of code and carrier modulation are adopted to ensure reliability of the system.
系统研究了伪随机编码理论,并硬件实现了瞬态激光伪随机编码调制及同步图像捕捉控制电路。
Systemically studied pseudo random coding theory, and designed the control circuits of pseudo random laser emission and image catching synchronously.
该系统由数字控制器、脉宽调制波形显示电路、全桥变换器、直流电动机和光电编码器。
The system consists of a digital control system, a PWM control waveform display, a full-bridge converter, a DC motor and load motor.
设计出了二次调制系统:采用连续可变斜率增量调制(CV SD)实现模拟话音信号与数字编码的转换,采用二进制相对相移键控(2DPSK)作为数字调制方式。
A twice modulation is designed:, CVSD was adopted to realize conversion between analog and digital voice signals, 2DPSK was used as the digital modulation mode.
最后,论文以ARAPA原模图ldpc码为分量码,结合多级编码调制(MLC)技术,设计了一种兼顾带宽和功率效率的编码调制系统。
Finally, a multilevel coding (MLC) scheme with ARAPA protograph LDPC codes as component codes is designed. This scheme takes both bandwidth and power efficiency into account.
基于OFDM(正交频分复用)系统,提出了一种新的空频时三维编码,将网格编码调制和差分空时分组码进行组合链接设计。
Based on OFDM system, a novel space-frequency-time code which combined trellis-coded modulation with differential space-time block code was proposed.
介绍DAB发射机系统的基带部分即COFDM信道编码和COFDM调制的设计方法,对相关过程做了阐述。
The article introduced the design method of the baseband which is made up of COFDM channel coder and COFDM modulator of DAB transmitter.
自适应编码调制技术是一项在衰落信道中逼近香农容量限,获得高的系统吞吐量的必需技术。
ACM is a powerful technique to approach Shannon capacity and achieve high throughput in fading channels.
本文重点介绍了DVB - S2系统中的三项核心技术:自适应编码调制(acm)、输入适配与新的前向纠错编码技术。
This article mainly introduces three kernel technics. Adaptive Coding and Modulation (ACM), Input Adaptation and a new method of Forward Error Correction.
本文重点介绍了DVB - S2系统中的三项核心技术:自适应编码调制(acm)、输入适配与新的前向纠错编码技术。
This article mainly introduces three kernel technics. Adaptive Coding and Modulation (ACM), Input Adaptation and a new method of Forward Error Correction.
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