关键码

Due to the use of parallel concatenated code, pseudo-random interleaver and iterative decoding technique, Turbo Code is capable of achieving an arbitrarily small BER of 10~(-5) at the SNR of just 0.7 dB.

对于Turbo码的研究目前已经取得了大量的理论和仿真成果，但是Turbo码仍然缺乏系统严格的理论指导，实际应用中几个关键问题需要解决。

The three key techniques of basic VQ are codebook design, codeword search and codeword index assignment.

矢量量化的关键技术是码书设计、码字搜索和码字索引分配。

The Turbo codes and interleave are Key techniques in Third Generation Mobile Communication.

第三代移动通信系统中，其编码关键技术就是Turbo码编码技术，而交织器技术又很大程度上影响着Turbo码的编码性能。

The data element's attribute is called "Sort key".

作为排序依据的数据项称为"排序码"，也即数据元素的关键码。

Segment vocoder is an efficient very low bit rate speech coding algorithm.Speech segment method,one of the key technology of segment vocoder,is studied and a new algorithm is presented.

分段声码器是一种高效的低速语音编码方法，针对分段声码器实现的关键技术语音分段方法进行了研究，提出了一种分段新算法。

Cribbs also returned 11 punts for 119 yards (10.8 average), registered six special teams tackles and one forced fumble as Cleveland posted a 3-1 record in November.

他是布朗特勤组的关键人物，19次回攻共计664码(平均每次34.9码，是全联盟最高的)，其中还包括一次职业生涯最长的100码开球回攻达阵。

The project sorts numbers adopted sort algorithms such as direct insertion sort, shell sort, bubble Sort, quick sort, heap sort, radix sort algorithm respectively with taking random numbers generated by program as key code, Comparing the process of sorting through the consumption of the unit time to objectively reflect the advantages and disadvantages of the various algorithms to sort, identify their problems to the data environment, to enhance efficiency with reasonable sort algorithm to deal with various features of the data to be sort.

本毕业设计通过把生成的随机数作为关键码，分别使用直接插入排序、希尔排序、冒泡排序、快速排序、堆排序、基数排序等排序算法对其排序，通过比较各排序过程所消耗的单位时间来客观体现各种排序算法的优缺点，找出适应它们的问题环境，以合理选择对应的排序算法来高效的处理各种不同特点的待排序数据，提高工作效率。

In codebooks training with LBG algorithm, choice of original codebooks is a key technique, where the splitting algorithm is generally considered effective.

在采用LBG算法进行码书训练中，一个关键的技术就是初始码书的选取，一般认为分裂算法效果显著。

The dissertation firstly introduces the MDJ1600J high speed palletizer and then lists several main problems for it which includes optimization of palletizing pattern, multiline-to-uniline problem, analysis and synthesis for feeding system, high speed turning without impact, the problem of power rating of three-phase induction motors (S1) which work with many short processes and many short switched-off processes in a period, The working principle of high speed palletizing and performance analysis for high speed palletizer, and then these problems are analysed respectively and their solution methods are presented.

本文首先对MDJ1600H高速码垛机从整体上进行了介绍，由之引出了几个高速码垛的关键问题，这些问题包括：码垛模式的优化，多线合一问题，供料系统的分析与综合，高速无损转位问题，在包括启动的多短过程多短断能间隔的断续周期工作制下采用S1制三相感应电机的功率定额问题，高速码垛动作规划和性能分析，然后对这些问题分别进行了阐述，提出了各自具体的解决方法。

The paper discusses key technologies of the digital television system,analyzes the TS parameters and clarifies the application methods of Transport Stream Analyzer in digital cable television system.

论述数字电视系统的关键技术，对传输码流参数进行分析，提出码流分析仪在有线数字电视系统中的应用方法。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。