本性周期序列 的英文怎麼說

中文拼音 [běnxìngzhōuqīxùliè]
本性周期序列 英文
essentiality periodic sequence
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 列 : Ⅰ動1 （排列） arrange; form a line; line up 2 （安排到某類事物之中） list; enter in a list Ⅱ名詞1...
  • 本性 : natural instincts; natural character; nature; inherent quality; essential（ly）本性點 [數學] esse...
  1. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上，獲得了該體制引信差頻信號中，距離信息的存在形式和特點，得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論，即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論，結合無線電引信的具體特徵，提出了適用於無線電引信的頻率捷變序列的選擇原則，並構造了基於rs碼的寬間隔頻率捷變序列族。
  2. By using serial correlation test and cross - section test through the data of the share companies that were listed in shanghai stock exchange before 16th oct 1998, the size effects in china stock market was tested in the period from 16th oct 1998 to 26th oct 2001. all the share companies which in total 373 were grouped into 11 according to four different criterions. these four different criterions were total circulating captal stocks, total circulating market value, total capital stocks, total value of a share company. through the correlation test between the abnormal return rate and the size of the group, no size effect was found through the size criterion of the total value and the total circulating value except only one period

    運用序列相關性我國股票市場的小公司效應進行實證檢驗，所採用的樣本是在1998年10月16日以前掛牌上市的373家上市公司從1998年10月16日到2001年10月26日，共150周的交易數據。對公司進行以規模大小分組時，分別採用了流通市值、流通股本、總市值和總股本四種不同的標準進行投資超額收益率規模相關性分析，發現以總市值和流通市值為規模標準的實證結果除個別時期內存在著小公司效應外，其它時期並不存在小公司效應，而以總股本和流通股本為標準的小公司效應最為明顯；另外，小公司效應在統計區間內表現出時段性。
  3. Fairly good chaos map, which is of high performance and be implement easily is selected. with the introducing of appropriate perturbation aimed to change the initial conditions, we may enlarge the chaotic sequence period under finite precision in practical applications. mixed chaotic model is constructed by combining logistic sequences and m - sequences in form of exclusive - or. and we, by adding two mixed chaotic model, constructed double chaotic system to generate the key generator, which provides with excerllent cryptographic properties

    本文利用混沌技術，通過對混沌映射的選取，選取出了易於實現，且性能優良的混沌映射;通過初始參數的加擾，使有限精度下混沌的短周期行為得以改善;通過利用混沌序列與m序列異或構成了混合混沌序列，在混合混沌序列的基礎上構造出了雙混沌系統，從而提高系統的抗破譯能力，設計出了混沌序列密鑰生成器。
  4. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  5. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理，總結出三條降噪途徑：在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度；調整節距排列順序、花紋條之間的錯位值，使各發聲單元發出的聲壓時域波形的同向峰值錯開，避免同向峰值疊加；調整花紋塊和槽比例、節距比例、節距排列順序，盡量避免周期性分佈，使輪胎所發出的噪聲趨于白噪化，避免某些頻段的異常高峰值。
  6. First of all, correlation properties of orthogonal variable - length spreading sequences are analyzed and new closed - form expressions of mai of the cdma systems are derived in terms of aperiodic partial correlation of variable - length sequences. then, the self - interference ( si ), mai and bit - error - rate ( ber ) performance of the desired user in a multi - rate cdma system are analyzed

    本文首先分析了正交變長擴頻序列的相關特性，導出了以變長序列非周期部分相關表示的cdma系統多址干擾（ mai ）新的分析表達式，並分析了多速率碼分多址系統中，期望用戶的自干擾（ si ） 、多址干擾和誤比特（ ber ）性能。
  7. This dissertation mainly investigate important measure indexes ? inear complexity, k - error linear complexity and period, on the security of stream ciphers, design several fast algorithms for determining the linear complexity and k - error linear complexity of periodic sequences

    本文主要研究流密碼安全性重要的度量指標- -線性復雜度、 k -錯線性復雜度和周期等，設計出若干計算周期序列的線性復雜度和k -錯線性復雜度的快速演算法，得到如下主要結果： 1
  8. In the part of voice encryption, spatiotemporal chaotic system ( ocoml model ) and lfsr are used to generate multidimensional pseudo - random sequence. this sequence has a longer period, better randomicity, passing the verification of fips 140 - 2 security requirements. using the key stream generated by it to encrypt the voice gets a better security

    在語音加密方面，本文利用時空混沌系統（單向耦合映象格子模型）與線性移位寄存器產生了高維的偽隨機序列，該序列周期很長，具有更強的隨機性，通過了fips140 - 2的安全性能驗證，利用其作為密鑰流對語音信號進行加密，獲得了更高的保密性。
  9. The mainlobe - sidelobe characters of the pn codes are also discussed when modulated by the signals and carrier - doppler exsists in chapter 3

    本文第三章分析了存在載波多普勒、有符號調制時的周期偽隨機序列的主旁瓣特性。
  10. The main goal is to show the whole assembly process of the product by means of visualization, to test the assembly capability by means of assembly sequence and path planning via interaction of human and computer, assembly collision detecting and so on, automatically generating the assembly path, so can obtain information feedback for product redesign. as a result, shortening the cycle of product design. in this project, the most important feature of this work is it has a better universal character, it means that it can be used on any model, and we also can adjust the path process of simulation and angel of view at well

    本文所完成的另一主要工作是研究通用裝配模擬，裝配路徑，裝配工藝及其相關方面的問題，其目的是為了以可視化的方式將產品裝配體的整個裝配過程展現在設計者面前，並通過裝配模擬問題研究過程中的人機互動式的裝配序列與路徑規劃、裝配碰撞干涉檢驗等手段讓設計者能夠快速檢驗產品裝配體的裝配性能，自動生成裝配路線，並能夠根據產品裝配性能的信息反饋，進行產品再設計，從而縮短產品的開發周期。
  11. The first section includes the theoretical and numerical analysis for diffractive optics elements and the second one gives the results of the fabrication experiments of diffractive optics elements. in the first section, we analyzed the antireflection of the diffraction optics elements. binary optics processing methods may be applied to a glass or silicon substrate to generate an array of small columns in order to enhance transmission

    在理論分析的部分，本論文完成的主要工作是用耦合波理論分析了在玻璃或硅基底上製作具有亞波長結構的圓柱形網格陣列以實現對入射光的增透作用，為此而編寫的程序實際上也可以用來分析計算單位周期內具有任意麵形的網格光柵的電磁場衍射特性。
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