| 1. | Transfer speed depends also on the channel encoding used 移动速度也仰赖被用的频道入码。 |
| 2. | To ensure the reliable transmission of voice and data , the channel encoding method which the digital trunking communication system uses is crc ( circle redundant code ) & rcpc ( rate - compatible punctured convolution code ) & interleave 为了保障话音和数据的可靠传输,数字集群系统采用的信道编码方案为crc + rcpc +交织。 |
| 3. | By default , the http channels encode objects and method calls in soap format for transmission , but other encoding and decoding formatter sinks can be specified in the configuration properties of a channel 默认情况下, http信道以soap格式对对象和方法调用进行编码以便传输,但在信道的配置属性中也可以指定其他编码和解码格式化程序接收器。 |
| 4. | By default , the tcp channels encode objects and method calls in binary format for transmission , but other encoding and decoding formatter sinks can be specified in the configuration properties of a channel 默认情况下, tcp信道以二进制格式对对象和方法调用进行编码以便传输,但在信道的配置属性中也可以指定其他编码和解码格式化程序接收器。 |
| 5. | As a kind of channel encoding scheme in 3g mobile communication system , turbo codes influences the property of system , so increasing the performance of turbo codes can improve the communication quality of system Turbo码作为第三代移动通信系统的一种信道编码方案,严重影响着系统的误码特性,而提高turbo码的纠错性能可以改善系统的通信质量。 |
| 6. | The paper also combines the latest ofdm technology to research and design the channel encoding technology and modulating and demodulating technologies of power line communicating system , and gives the simulating results of system design 并结合目前最新的ofdm技术对电力线通信系统中的信道编码技术和调制解调技术进行了研究和设计,并给出了系统设计的仿真结果。 |
| 7. | I am responsible of devising a new console which is the key component of nd120 . the control mechanism of the new console is a microchip named 8051 ; the interface is rs - 232 ; signals are transmitted via optical fibre ; channel encoding mode is hec 新型调度平台采用mcs - 51系列单片机8051为控制模块;调度平台与后台之间采用rs - 232接口;信号传输采用光纤方式;信道编码为混合纠错( hec )方式。 |
| 8. | The whole paper had been divided into four parts : the first part introduces the general situation of digital trunking system and its channel encoding , the recent development of viterbi decoding ; the second part studies the error control scheme , and the convolution decoding depth which is most fit to digital trunking system ; the third part introduces several low power viterbi decoder and its principle ; the last part proposes a united - decision estimating viterbi decoding algorithm 本文共分为四部分,第一部分介绍了数字集群及其信道编码的总体情况, viterbi译码的发展现状。第二部分给出了数字集群系统中话音信道差错控制总体方案,并研究了适合数字集群系统的卷积码的解码深度。第三部分简单介绍了各种低功率viterbi译码器及原理。 |
| 9. | Turbo code is regarded as the milestone in channel encoding theory history for its performance closing to shannon limit , which makes us covert to decrease the numbers of light weight code ( error coefficient ) from increasing the minimum hanming weigh . the research and analysis are concentrated on the following : 1 Turbo码具有近shannon限的性能,它的出现被看作是信道编码理论发展史上的一个里程碑,它使人们设计信道编码的方法从增加码的最小汉明距离转向了减少低重量码字的个数(错误系数) 。 |
| 10. | As we all know , the capability of wireless communication system is constrained by radio propagation channel , especially for future wideband communication system . so it needs more signal processing techniques to withstand bad radio propagation environment , such as diversity combination , coherent detection and channel encoding and decoding etc . for mimo physical layer approaches , channel state information is a prerequisite , thus comes many channel estimation approaches and algorithms 无线通信系统的性能主要受到移动无线信道的制约,特别对未来的宽带移动通信系统更需要采用很多信号处理技术来对抗恶劣的无线传播环境以提高系统性能,比如常见的分集合并、相关检测和信道编解码技术等,而采用这些技术的前提就是要知道信道的状态信息( csi ) 。 |