complementary sequences造句

• When the complementary sequences can be constructed , it is called constructible complementary sequence
  特征序列对研究互补序列的特性具有重要意义。
• Thus the sequence of nucleic acids on one chain defines a unique , complementary sequence on the other chain
  这样在一条链上的核酸分子排列的顺序确定了一个独一无二的、互补的与另一条链相连接的次序。
• The property of complementary sequence pairs is studied , and a new denotation figured by three sequences is introduced in this paper
  互补序列偶是由4个序列组成的满足一定互补性的序列组，它是互补序列理论的相关概念的延伸。
• As a new type of perfect signal , the complementary sequence pairs would possibly have good future application in communication engineering
  目前发现的互补序列的核只有3种，所以其空间大小受到限制，因此引入了互补序列偶理论。
• Complementary sequences are the most representative perfect signals that have good aperiodic correlation feature . the binary complementary sequences were introduced in 1949
  具有良好非循环相关特性的最佳信号的序列中，互补序列最具有代表性。
• This thesis researches on reducing the par of mc - cdma from two different points . on one side , this thesis studies behaviors of mc - cdma with golay complementary sequences as spreading sequences
  一方面，本文利用格雷互补序列作为mc - cdma信号的扩频码，有效降低其峰值平均功率比。
• We also deduced the maximum of correlative function of the odd length complementary sequence pairs . on the basis of the property that was found in this paper we have designed a searching arithmetic
  互补序列偶的长度不受限制，任何长度的互补序列偶都存在，因此互补序列偶理论的研究具有重要意义。
• Then we have searched out all of the unequal complementary sequence pairs with length up to 20 . we have got some suppositions from the searching results , though the correctness of it is waiting for prove
  并由此设计了最佳二元互补序列偶的快速搜索算法，搜索出长20以内的所有最佳二元互补序列偶的等价类。
• Antisense nucleic acid technique is a method using single - stranded complementary sequences with specificity assigned by watson - crick base - pairing targeted specific messenger rna or dna to block expression of target gene
  反义核酸技术是根据碱基互补原理，使用与目标靶的遗传物质( mrna或dna )特定互补的核酸片段封闭基因表达的技术方法。
• The equivalent relation between the families of bent complementary function pairs and the families of dyadic complementary sequence pairs is discussed , so are the families of hadmard complementary array pairs
  首先，提出了bent互补函数偶族的概念。其次，深入地研究了它的性质，特别是与hadamard互补矩阵偶族、并元互补序列偶族的等价关系。
• Lastly , the concept of families of almost perfect periodic complementary sequence pairs is given on the basis of the almost perfect autocorrelation sequence pairs . the method on constructing families of almost perfect periodic complementary sequence pairs is given and proved
  最后，在几乎最佳自相关序列偶的基础上，给出了几乎最佳周期互补二元序列偶族的概念，进一步深入了几乎最佳自相关序列的研究，给出并证明了几乎最佳周期互补二元序列偶族的构造方法。
• Simulation indicates that the par of mc - cdma can be upper bounded 6db by using golay complementary sequences and s - r sequences as spreading sequences , which is much superior to m sequences and hadamard sequences . on the other side of view , compared with the old basic selected mapping method , this thesis proposes some other selected mapping algorithms and compares the performances based analysis and simulation
  仿真表明，采用格雷互补序列作为扩频码来降低峰平比，不论是效果还是实用性，都大大优于m序列和hadamard序列；另一方面，本文在基本选择映射算法基础上，提出了几种改进的选择映射算法。
• Now there are 5 constructive methods have been found , through which all of the complementary sequences whose length is 2 ' 10s26 " can be constructed . it was proved in this paper that it can determine which equivalence class is constructible or not by the feature seque nce . based on the reseach and computer we have got all the equivalence complementary sequence class with length of not more than 40 , and found a new complementary sequences kernel with length of 20
  经分析发现当序列长度n 4时，可以根据特征序列来判断互补序列等价类空间大小，这对实际应用中互补序列的选取具有一定意义；此外本文证明了互补序列等价类的唯一性，即不同的等价类不能包含相同的序列；对互补序列的各种构造方法进行分析，发现通过每种构造方法构造出的互补序列其特征序列均具有某种特性，通过论证得出可以通过特征序列来判断互补序列是否是可构造的以及可以由哪种构造方法构造，并通过特征序列证实了长度为20的互补序列的核的存在性。
• Its and 5 . 8s rrna genes of 4 species in the cardamine were sequenced . sequences of all species are complete in the useful segments and the results of the two - way sequencing are complementary sequences , which indicates that the evolution of its repeating units of those species had synchronized with a high degree
  ) 4种植物的核糖体dna中的内转录间隔区( its )序列及5 . 85 : rna基因全序列，在有效的区段内，序列数据完整无缺，且正、反向测序结果完全互补，这表明所用材料的its重复单位同步进化程度很高。
• On the basis of theory analysis and reasoning , cdma single user system models based upon binary complementary sequences and complete complementary sequences are successfully built by use of s - function . and respectively taken 8 - bit , 16 - bit binary complementary sequence and one subset of 4 - order complete complementary sequence as examples , the simulations of all the functions of the system are realized . the result proves that it is proper and feasible to use the modified complementary sequences to cancel multi - path interference
  本论文在前面几章理论分析及论证的基础上，用matlabsimulink中的s - function成功构建了基于修正二元互补序列cdma单用户系统模型和基于修正完备互补序列cdma单用户系统模型，并且分别以8位长， 16位长二元互补序列以及4阶完备互补序列的一个子集为例，实现了对系统各项功能仿真，结果证明采用修正互补序列实现抗多径干扰的思路是正确的而且是可行的。
• Now the research of it has made a great achievement , based on it we studied the feature of the binary complementary sequences . the feature sequences of complementary sequences are introduced in this paper . every complementary sequence has two kinds of feature sequences
  目前互补序列的研究取得了丰富研究成果，在这些研究成果的基础上，进一步对互补序列的特性进行研究，并引入了互补序列的特征序列的概念，定义每个互补序列包含两种特征序列，分别记为1 -特征序列和2 -特征序列。