中英
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revised map中文是什么意思
发音:
- 中文翻译
- 造句
- n.修测图
- revised 改进的; 修订
- at revised rate 按订正费率计算
- is this a revised edition 这是修订版吗
- revised a design 修改设计
- revised allocation 订正拨款
- revised amendment 订正后的合计数; 修订的修正案
- revised and enlarged 增订的
- revised and expanded 增订版的
- revised appropriation 订正经费; 修订后的拨款
- revised assessment 修订评税
- revised budget 修定后的预算; 修订后的预算; 修订预算
- revised certificates 修订证明
- revised data 修正数据; 已修正的数据
- revised de 改版说明书
- revised design 修改的设计; 修改设计
- revised edition 修订版; 增订本
- revised estimates 修订后的概算; 修订预算
- revised flow 修改流
- revised law 修订后的法律
- revised pages 修正页
- revised plan 修正图
- revised price 修订后的价格
- revised print 改版图
- revised programme 修订的进度计划
- revised rate 修正价格
- The system has been established based on the upper thoughts . it has been applied in some military mapping projects to revise maps
该软件已经作为全军1：5万基础地理信息库的数据获取软件在全军各测绘大队推广使用。 - Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ) . in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code; the principle of turbo code and the iterative decoding is secondly expanded; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel
本文首先介绍了turbo码的背景知识，包括差错控制的基本原理、分组码和卷积码；然后阐述了turbo码的基本原理，包括turbo编译码器结构及迭代译码原理；较为详细地描述了关键的译码算法：?种改进的最大后验概率(map)译码算法及迭代译码算法；提出了一种新的turbo码结构：混合turbo码(混合级联卷积码)；并用编码性能联合界分析方法对混合turbo码进行了性能分析，得出了其平均性能上界；并在高斯白噪声信道和瑞利衰落信道上分别作了一些应用研究及计算机仿真实验。
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Last modified time:Thu, 14 Aug 2025 00:29:56 GMT
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