Based on current network technologies, we give some feasible backward channel solutions for implementing interactive applications on digital TV platform, and compare their characters. 基于当前的网络技术,为有线数字电视开展交互应用提出可行的回传通道解决方案,并比较了这几种技术的特征。
The backward channel using photoelectricity technology can control the load resistance by computer. 后向通道采用光隔离技术实现微机对负载电阻箱的开关控制。
The hardware of the AC motor intelligent type-tested control system based on the Windows operating system, is consisted of the forward channel and the backward channel. 基于Windows操作系统的交流电机智能型式试验控制系统的的硬件可分为前向通道和后向通道两个部分。
Considering the undetected forward channel errors and the backward channel errors, the operating process of selective-repeat ARQ communication system is accurately described by odd Markov chains. 本文考虑了正向信道不可检错和反向信道差错,并用齐次马尔可夫链精确完整地分析了ARQ通信系统的工作过程,从而将系统的表现传输效率和有效传输效率严格地区分开来。
In the environment where the backward channel is available, the proposed algorithm is capable of utilizing the real macroblock error information from the decoder's feedback, tracking the error propagation, estimating the error more precisely, resulting in higher resilience performance. 在存在反向信道的环境中,该算法可以利用解码器反馈的实际宏块错误信息,跟踪差错扩散,对其进行更准确的估计,以提高容错性能。
Then the backward PSP, taking the primary soft decision from forward PSP as the a priori knowledge, makes improved final soft decision output with adaptive channel tracking based on the preamble of next slot. 以正向软判决为先验知识,反向处理利用基于下一时隙前导序列的自适应信道估计实现反向解码,并将反向软判决作为最终结果输出。
A backward channel is developed for the management of the whole system through network. 建立后向通道,为整个模块的网络化管理提供了便利。
Hardware designing mainly includes forward channel circuit, single-chip interface circuit and backward channel circuit. 硬件设计主要包括前向通道的设计、单片机的接口电路设计和后向通道的设计。
The shortcomings mainly manifests in: ① The cultural industry management pattern is backward and investment channel is single;② Cultural industry pattern taking shape, but generally small-scale, low industrial concentration;③ The culture industrial structure is imbalanced;④ Lack of cultural industry professionals. 不足之处主要体现在:①文化产业管理模式落后,投资渠道单一;②文化产业格局已见雏形,但总体规模偏小,产业集中度低;③文化产业结构不均衡;④文化产业人才缺乏。
Data Relay Satellite System ( DRSS) is a promising research area in the field of spaceflight thanks to its near-world wide coverage, large capacity and agile controllability. High speed data transmission of the satellite communication in the backward channel is one major service of DRSS. 数据中继卫星系统(DRSS)以其高覆盖率、大容量、使用灵活等优点成为航天领域的一个重点发展方向,其返向通信链路高速数据传输是它的主要业务之一。
The growth rate of offshore RMB deposits will decline, and the proportion of RMB enterprise deposits in Hong Kong will continue to rise. The policy factors, the RMB expected appreciation and RMB backward channel are the important factors for the offshore RMB loan business. 在香港离岸人民币货币市场上,离岸人民币存款的增速会有所下降,香港企业人民币存款的比例仍会上升,政策因素、人民币升值预期以及人民币回流渠道是离岸人民币贷款融资业务发展的重要影响因素。