当用于复用时,可以作为一种特殊的编码调制方法。
When used for multiplexing, it is a coding and modulation scheme.
论述一种基于软判决反馈迭代译码的比特交织编码调制方案。
A bit interleaved coded modulation (BICM) scheme was introduced, with iterative decoding using soft decision feedback.
现在最常用的方法是PCM,这是英文脉冲编码调制的缩写。
The most popular method to do that now is PCM. PCM stands for pulse code modulation.
自适应编码调制技术已成为高速无线数据通信的一项关键技术。
Adaptive coded modulation has become one of the key techniques in high speed wireless data communications.
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.
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.
提出一种新的结合多级编码和差分空时调制的联合编码调制方案。
To combine multilevel code (MLC) with differential space-time modulation (DSTM), a new scheme based on an multilevel low-density parity-check (LDPC) code with iterative decoding is proposed.
电阻率是根据脉冲编码调制确定的尺寸大小来计算的,并且也有实际测量。
Resistivity values were calculated using dimensional data obtained from PCM and measured resistances.
网格编码调制(TCM)技术是一种将卷积编码和调制结合在一起的技术。
The invention relates to a neural network demodulating method based on the trellis encoding and modulating (TCM) technology which combines the convolutional encoding with the modulating.
自适应编码调制(amc)技术可以有效地提高无线数据传输的频谱利用率。
Adaptive modulation and coding (AMC) can effectively improve the spectral efficiency for wireless data transmissions.
数字地面电视发射机有两大技术难点:一是与制式有关的信道编码调制技术;
There are two technique problems for Terrestrial digital TV transmitter: one is the channel coding modulation technique whch is dependent of TV system;
主要获得以下几方面的成果:1、提出了一种信源-信道联合编码调制的方案。
The mainly work is described as follows:1, A joint source-channel coding and modulation scheme is presented.
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.
随着脉冲编码调制技术的出现,把模拟信号转换为数字信号的原理得到广泛应用;
The principle of converting analog signals to digital signals bacame popular with the introduction of pulse code modulation ;
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.
图像部分是JPEG 2000压缩文件,然而音频部分是线性PCM(脉冲编码调制)。
The image part is JPEG 2000 compressed, whereas the audio part is linear PCM.
介绍了两种常用的红外遥控信号的编码方法:脉冲占空比编码调制,脉冲宽度编码调制。
Introduces two usual remote control signal encoding methods: pulse width modulation, pulse space ratio modulation.
在此基础上设计了蓝牙语音编码实验,涵盖了脉冲编码调制的抽样、量化和编码整个过程。
Based on them, a speech encoding experiment used by bluetooth is designed, and it covers the total process of PCM from sampling, quantization and encoding.
多点连接链的优点是很多低负载量的基站可以(与)一个单一的2M脉冲编码调制线挂钩。
The advantage of multidrop chain is that many low-capacity stations can be tied to a single 2m PCM line.
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.
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.
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.
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.
在详细分析了多级编码调制的不等错误保护原理的基础上,设计了一种针对8ask调制的非均匀信号星座。
After the unequal error protection of multilevel coded modulation is discussed in detail, a non-uniform signal constellation applied to 8ask modulation is designed.
仿真结果表明:无论在高信噪比还是在低信噪比条件下,自适应算法均比单一的编码调制方案吞吐量有明显的提升。
The simulation results show that the proposed algorithm improved the throughput more obvious than any single modulation and coding scheme whether under high or low SNR conditions.
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.
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。
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.
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.
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.
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.
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