m-sequence 中文意思是什麼

m-sequence 解釋
序列
  • m : （pl. M's, m's）1. 英語字母表第十三字母。2. M 形狀的東西；【印刷】＝ em. 3. M （羅馬數字） 1000. MCML ＝ 1950.
  • sequence : n 1 繼續；接續；連續。2 順序；程序；次第；關系；關聯。3 後果；結果；接著發生的事；後事；後文。4 ...
  1. Doppler compensation method based on m - sequence signal

    序列信號的多普勒補償方法
  2. Simulation modeling and analysis of m sequence bpsk fuze signal

    引信信號的模擬建模與分析
  3. At first the merits and implementation of the digital pulse compression subsystem are introduced in this paper. then the characteristics of phase coded signals are discussed and the two classic binary phase codes ? ? barker code and m - sequence are dealt with in details in the following

    文中首先綜述了數字脈沖壓縮的優點及其實現方法，接著討論了相位編碼信號的特點，並詳細分析了巴克碼和m序列這兩類典型的二相碼信號。
  4. In this dissertation, the researches on the application of cdma in fiber - optic communication systems have been reviewed, and several key techniques in the application are proposed with theoretical analysis. in traditional researches and applications of the hfc cdma communication system, the gold sequence was used as the users " address code. in this paper, we analyze the characteristics of the m sequence in detail

    本文突破了以往在hfc系統中使用cdma擴頻技術通信時，通常都採用gold序列來作為地址碼的慣例，分析和提出了在hfc的特定環境中，使用同一m序列在某時刻具有的不同相移序列，來構成一個小區的地址編碼，能夠達到多用戶通信時比使用gold序列進行通信具有更好的相關特性。
  5. The detail is clarified as follows : l ) based on the chaotic technology and contemporary encryption approach the paper put forward a new chaotic sequence, which introduced the m - sequence and the method of shrink key - the stream generator. the complexity of the sequence was promoted as the random alteration of the parameters of chaotic mapping, and at the same time, the shrinking key was used to enhance the security further more ; 2 ) the performance of one - way hash function was improved and new hash function construction methods are proposed through a novel hash method based on chaotic mapping and the aes - the rijndael algorithm. the algorithm of hashing messages of arbitrary length into 256 bits hash values was designed

    按照這種方法，輸出序列的周期性得以大大提高，理論分析和計算機模擬結果表明，該方法可以產生具有良好統計特性的密鑰流，而且易於軟硬體實現： 2 ）實現了一種基於混沌映射和分組密碼rijndael演算法的單向hash函數的構造方法，即使用logistic混沌映射產生混沌二值序列，序列的分組與明文序列分組進行按位異或后，進入rijndael加密模塊，所得的結果再加入到反饋端，參與下一分組輸入的異或運算，迭代結束時的rijndael加密結果即為所求的hash函數值。
  6. The results showed that it is feasible to use chaotic jamming signals as mask jamming sources. its jamming effectiveness is equivalent to that of random signal and superior to that of m sequence

    結果表明，混沌干擾信號可以作為遮蓋性干擾信號的干擾源，其遮蓋效能與隨機信號相當，且優于m序列干擾信號。
  7. For it has many unique advantages, pseudo - noise linear m - sequence binary phased coded cw signal is widely used in the new generation air defense systems

    偽隨機m序列相位編碼連續波信號體制由於其固有的優點，在新一代地空制導雷達中得到了廣泛的應用。
  8. The number of the intersection points which some conjugate states of m sequence are in the state - graph of m sequence has closely relation to the cut - joining method of m sequence

    M序列中的共軛狀態在m序列的狀態圖中的交點個數與m序列的剪接構造法有密切的關系。
  9. Then taken four kinds of maps for examples, comparing with m - sequence, their properties are calculated, verifying the advantages of the chaotic sequence generated by the new method. after this, an improved scheme is discussed - - using m - sequence to change the sequence ’ s turn and verifying that the permutation parameters have effect on improving the sequence ’ s properties. in chapter 5, monte carlo simulation method is used to test performances of our sequences ’ applications in the given model of direct spread spectrum cdma system, and results of error rate of the system are given ; the comparing resuls of performances of anti - multi - access interference and anti - multi - address interference of different pn sequence is also shown in this thesis

    本文首先對擴頻通信中常用二進制偽隨機序列的產生方法、性能特點進行了總結，指出了現有二進制偽隨機序列的應用局限性;其次，根據混沌非線性系統特徵，深入研究了混沌數字序列的產生方法;在此基礎上，提出了一種新的產生方法中間抽取法，然後，以四種混沌映射系統為例，對其所產生的混沌數字序列進行了偽隨機特性實驗數據分析，並與m序列進行比較，結果說明了混沌數字序列代替傳統擴頻序列的優點，同時驗證了新方法的可行性。
  10. Firstly, according to the definition pseudorandom binary m - sequence and fast m - transform " theory of sutter, we have compiled arithmetic of c language

    首先，我們根據m序列的定義、 sutter快速m變換的思想設計了相應的c語言演算法。
  11. With the improvement of technology of digital circuit, making use of digital circuit to produce noise has become reality. for example, m sequence has been maken as mask jamming source, but its applications are limited because of its linearity and finite amount

    隨著數字電路技術水平的提高，利用數字電路來產生噪聲已成為現實。例如， m序列已經作為雷達干擾信號的噪聲源，但它的應用受到其線性性和有限數量的限制。
  12. Based on the statistics characteristic of prc - phase - modulation cw phase - array guidance radar, this thesis discusses the signal processing method and cfar algorithm of multiple repetition frequency pseudo - noise m - sequence phase coded signal

    本文結合偽碼調相連續波信號體制的特點，深入研究了多參差重復頻率偽隨機m序列相位編碼信號的處理方法和恆虛警檢測演算法。
  13. The self - correlation function of the m sequence is divided into the self - correlation between all same address users and the mutual - correlation between all different address users. a computer simulation experiment, which 100 users are communicating under our method, is given in this paper. the information of every user is known before the processing of s - cdma communication start

    論文在提出地址碼設計方案后，通過計算機模擬實驗，模擬一個用戶數為100的小區，使用論文設計的地址碼方案進行s - cdma綜合業務通信，已預先知道每個用戶通信的信息，在計算機模擬通信處理完成後，檢驗在接收端的用戶信息。
  14. The key is that the head - end emits the guide m sequence, which is non - correlative with any users " address code. the phase of all users address code and the head - end address code are combined with the guide m sequence. every user address code phase can attain after the guide m sequence phase is searched and tracked

    論文所提出的方案是通過前端發射固定的導頻信號，並且在前端和用戶端都把用戶地址碼相位捆綁在導頻相位上，使得用戶在同步捕獲和跟蹤導頻相位后，間接得到用戶的地址碼相位。
  15. It plays an important role in the cryptography due to its effective pseudorandom. the state - graph of m sequence of order n is a directed hamilton cycle of de bruijn - good graph of order n

    N級m序列的狀態圖就是n級德布魯恩-古德（ debruijn - good ）圖的一個有向hamilton圈。
  16. The sidelobes characters of the pn codes modulated by signals are discussed taken m - sequence and kasami sequence as examples in this dissertation. it can raise the mainlobe - sidelobes ratio when the initial phase is properly chosen. the mainlobe - sidelobes ratio can even be further improved when mismatched filters are adopted

    本文第二章從國防重點型號裝備研製項目「北斗一號」用戶機的應用需求，以m序列和kasami碼為例，研究了有符號調制的偽隨機序列的旁瓣特性，指出通過選擇合適的偽隨機序列的調制初相，可以明顯的改善主旁瓣比；失配接收可以進一步提高主旁瓣比。
  17. Then to meet the problem of the separate between receiving and transmitting for single - station radar system in continuous wave principle, we introduced frequency modulated interrupted continuous wave ( fmicw ). in early days, the pseudorandom codes were often used in fmicw. usually m - sequence is used to intertupt frequency modulated continuous wave

    之後，為了解決連續波體制下，單站收發共址的雷達系統的收發隔離問題，又普遍採用了截斷的線性調頻連續波信號形式，叫做線性調頻中斷連續波信號（ fmicw ） 。
  18. M sequence has several constructive methods such as cut - joining, spanning tree, the selected method, the induced method and so on

    M序列的構造方法有剪接法，升級法，選定法以及誘導法等。
  19. This chapter is a base of next chapter. mathematics theory and pseudo stochastic code theory for spread spectrum modulation sequence are introduced, and simulink experiment and analysis about correlation performance of the most common use spectrum modulation sequence are processed, these experiment contact to performance parameters of the spread spectrum sequence. the correlation performance and address quantity are compared between m sequence and gold sequence

    本章是第五章的理論基礎，介紹了擴頻調制序列的數理基礎和偽隨機碼理論，同時聯系調制序列的性能指標對最常用的兩種擴頻調制序列的相關性能進行了模擬研究和分析討論，比較了m序列和gold序列互相關特性和地址數。
  20. Finally, we carry out the theoretic analysis on the whole communication system. by comparing the simulation analysis results with m - sequence and gold sequence, we further validate the good performance of the ( cd ) 2ma communication system

    最後，對整個通信系統的性能和模擬數據結果進行了分析，並與傳統的小m擴頻序列、 gold擴頻序列進行了比較，進一步驗證了混沌數字碼分多址通信系統的優良性能。
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