2) data backtrack
回溯数据
1.
Through the practice of compiling the data backtrack of the books,this paper briefly analyzes the subject indexing field of some data.
通过对图书的回溯数据编制工作实践,就一些数据的主题标引字段提出了简浅的分析与认识。
3) retrospective bibliographic databases
回溯书目数据库
1.
This paper analyzes the retrospective bibliographic databases breakdown of the main library building,and the countermeasures.
图书馆回溯书目数据库建设的重点是图书分编数据标准化,而图书分类的质量,是图书分编数据标准化的重要一环。
4) backtracking
[英]['bæktræk] [美]['bæk,træk]
回溯
1.
Implementation of backtracking public traffic path searching algorithm;
公交网络最优路径求解算法的回溯实现
2.
A backtracking algorithm has been suggested to solve the issue of maximizing credit rewards.
并应用回溯算法求解信度收益最大化问题。
3.
Hybrid(heuristic) algorithm to seek the optimal combination by backtracking method had been proposed.
分析了启发式排料算法影响优化程度的原因,提出利用回溯寻求优化零件组合的混合启发式策略,并利用排样过程中产生的小剩余区域划分与合并的方法和现有的矩形排样启发式算法相比,说明该方法可以更大地提高板材的利用率。
5) trace-back
[英]['treisbæk] [美]['tresbæk]
回溯
1.
Compared to traditional register-exchange and trace-back methods,the main advantages of this method lie in less memory and little decoding delay.
在此提出了一种幸存路径存储器的新实现方法,与传统的回溯法和寄存器法相比,该方法具有存储器用量少、译码延迟小的特点。
2.
On the base of analyzing the conventional trace-back methods that defense against deny of service (DOS) attacks, this article provided a new method——ACTB (active trace-back), which makes use of active code-distribution.
在传统的对抗DOS攻击的回溯技术(Trace-back)基础上,利用主动网络的主动代码分配机制,提出了一种新的对抗DOS攻击的方法——主动回溯(ACTB)。
3.
Based on an optimized structure, a high-speed (2,1,7) Viterbi decoder with trace-back length of 64 is presented in this paper.
在优化结构的基础上,实现了一种回溯长度为64的(2,1,7)高速Viterbi译码器。
6) traceback
回溯
1.
Then taking (2,1,6) convolutional code as the example, the paper particularly discusses the three procedures-initialization, metric refreshment and traceback decoding - of how to implement Viterbi decoding algorithm using floating-point digital signal processor (DSP) - TMS320C3.
首先,在Viterbi译码的软判决最大似然算法的基础上,介绍了软判决Viterbi译码算法的译码过程及其用数字信号处理器(digitalsignalprocessor,DSP)技术实现Viterbi译码算法的软件流程;然后,以(2,1,6)卷积码为例,具体论述了利用浮点DSP———TMS320C33的现有资源实现Viterbi译码算法的3个步骤:初始化、度量更新和回溯译码。
2.
This paper advanced the programming method and some techniques during soft implementation of viterbi decoding using the traceback algorithm on the basis of the analysis of viterbi decoding theory.
本文在分析维特比译码原理的基础上，提出了用软件编程实现回溯方式的维特比译码的设计方法和处理技巧。
3.
It adopts serial structure and traceback algorithm so as to only take up 2195 LEs in FPGA.
该设计使用串行结构,回溯算法,占用LEs仅2195个,与并行译码相比节省了约50%的硬件资源。
补充资料：数据通信网(见数据通信)
数据通信网(见数据通信)
data communication network
shu)u tongxinwang数据通信网(datac。mmunicati。nne饰ork)见数据通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条