數字序列碼 的英文怎麼說

中文拼音 [shǔzìxùlièmǎ]
數字序列碼 英文
nsc number sequence code
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 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...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  1. The word string is commonly used to describe a sequence of characters stored via their numeric codes.

    「字元串」這個詞一般是用來表示通過本身的數字代碼貯存起來的一些字元的序列。
  2. Finally, with the optimized chaos sequences, the results of software simulation on vhf - rc indicates that ds - ss outbalances the bpsk system without spread spectrum due to ber and the ds - ss with kent sequence is better than the one with golden sequence in some extend

    最後本文對數字混沌序列進行了優選，在超短波中繼通道模型上的模擬結果表明混沌直擴通信相比于非擴頻的bpsk通信在誤碼率方面明顯較低；相對于線性擴頻碼（ gold序列） ，同樣誤碼率較低。
  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. Epc is the abbreviation of electronic product code. it is the exclusive and discriminated code which auto - id center distributes to every product. it uses a series of number as the representative of manufacturer, product type and product serial number which exclusively discriminate a product

    Epc （ electronicproductcode ）是產品電子碼的縮寫，是auto - id研究中心為每一件產品分配的一個唯一的、可識別的標識碼，它用一串數字代表產品製造商，產品類別和唯一標識每一個特定產品的產品序列號。
  5. Type can be written as character literals, hexadecimal escape sequence, or unicode representation

    類型的常數可以寫成字元、十六進制換碼序列或unicode表示形式。
  6. Secondly, some encryption algorithms are introduced, with the analysis and comparison for these encryption algorithms, the author designs an appropriate project to accomplish the end - to - end encryption. thirdly, this paper accomplish the design of an encryption scheme which combining the strongpoint of the rsa algorithm and the idea algorithm. the main process is as following : first, input the digital signal to the encryption device, and then the digital signal exclusive or with the keying sequence which is generated by key stream generator ( ksg ) and the ksg is based on the idea encrypting and deciphering algorithm, the secret key synchronization is also studied

    本課題主要研究的內容是數字集群通信系統加密機制的研究，首先介紹了數字集群通信系統的安全保密機制，講述了單向和雙向鑒權的過程、單呼和群呼的空中介面加密過程及其密鑰的選用和管理，特別介紹了端到端加密;然後介紹了幾種常用的加密演算法，通過分析其優劣，提出了端到端加密的解決方案;最後完成了基於rsa演算法和idea演算法的數字集群通信系統加密方案的設計，其具體過程為將經過數字信號送入加密器里，和以idea加密演算法為基礎設計的密碼流發生器（ ksg ）產生的密碼序列進行加解密運算，並且研究了此加密過程的密碼同步問題。
  7. The algorithm have the good one - way property, high sensitivity to initial values and good security due to the intrinsic characteristic of chaotic system and rijndael algorithm. the simulation experiment demonstrates the convenience and good hash performance ; 3 ) a new scheme of digital voice secure communication was proposed based on chaotic modulation without additional synchronization. the modulation sequence generated by chaotic logical mapping was used to encrypt the digital voice signal

    混沌系統和rijndael演算法的固有特點使該演算法具有較好的安全性、對初值有高度的敏感性以及較好的單向性能，並且易於實現，是一種有效的單向hash函數； 3 ）研究了一種無需同步的基於混沌調制的數字語音保密通信系統的方案，利用邏輯映射產生混沌調制序列，以該序列作為密碼對數字語音進行加密處理，為了更好的隱匿信號特徵，混沌調制在小波分解的基礎上，對不同的通道使用不同的參數進行，並借鑒混沌掩蓋對信息信號進行了限幅處理，使密文完全隨機化。
  8. Suppose you want to encode the bit string " 1110011. " an inversion list would store a list of three numbers : 0, 3, 5

    假設您要對一個比特串「 1110011 」進行編碼。倒排表將存儲一個由三個數字構成的序列： 0 ， 3 ， 5 。
  9. If we knew where walking fish is getting his numbers from, and they turned out to he pseudo random, and if he gave us a big enough sample, in theory we could try to predict the numbers in the sequence

    如果我們知道散步魚從哪裡得到他的數字（號碼） ，而且被證明是假隨機的，而且如果他可以給我們足夠的例子，理論上我們就可以預測序列中的數字。
  10. What we have adopted in this system are the digital tuner dtq - 1a of philip tda10046, and the fpga of acex series produced by altera corporation, and the idt7206 fifo produced by idt corporation. the staff of the project also completed the communication - controlling program and wince drivers for this card, along with the application program dedicated for the system. the system can carry out the following tasks : receiving, demodulation, decoding, and playing back of the terrestrial - broadcasting data

    接收板採用基於philip公司的tda10046的dtq - 1a數字調諧器、 altera公司的acex系列ep1k30qc208以及idt公司的idt7206的先進先出存儲器（ fifo ） ，輔以自己編寫的通信控製程序，以及基於wince驅動程序開發和上層應用程序開發，實現了數字地面電視廣播的接收、解調、解碼、及播放等一系列功能。
  11. Text is a kind of very common resource in digital library, and lossless techniques play an important role in compressing text. starting from the shannon ' s entropy theory, we analyze the lossless compression algorithms, and implement arithmetic coding algorithm in c. in the experiments, we compare four different lossless compression algorithms by their performances such as compression rate, compression rate tendency with the length of data, stability, and complexity, using 35 groups data series with 4 different length

    本文從信息論中shannon熵定理出發，對無損壓縮技術進行系統地分析，用c語言實現了其中的算術編碼演算法，並用它對35組、四種不同長度數據序列進行了壓縮，給出了實驗結果，然後從壓縮比、壓縮比隨字元串長度的變換趨勢、演算法穩定性和演算法復雜性等四個方面對其與其它三種壓縮演算法lzw 、 lz77 、 rle進行了分析與比較。
  12. When we carry through the theoretic analysis, according to the request of cdma communication system for spreading code, we analyze the characteristics of chaotic spreading sequence

    在進行理論分析時，根據碼分多址通信系統對擴頻碼的要求，分析了混沌數字擴頻序列的特性。
  13. The mentally dense password and logistics reflect to shoot the output mentally dense sequence in the troops supplies purchase system the application of the digital signature

    混沌密碼及logistic映射產生的混沌序列在軍隊物資采購系統中數字簽名的應用。在軍隊物資采購系統中用java2的appet方法數字簽名的實現。
  14. The method of the realization and the application that is by the other digital signatures in the troops supplies purchase system. this paper choses the ca attestation conduct and actions of the frame of pki the signature as the carring body, choosing to be reflect by the mentally dense password and logistic to shoot the output mentally dense sequence to be the digital signature, to the troops supplies purchase system which supplies in the research enunciation that the

    本文對基於pki框架的ca認證作為簽名載體，選擇了由混沌密碼及logistic映射產生的混沌序列作為數字簽名，對軍隊物資采購系統中其它數字簽名的應用與實現進行的研究表明，基於pki框架的ca論證作為簽名載體和由混沌密碼及logistic映射產生的混沌序列以及其它數字簽名實現方法在軍隊物資采購系統中應用是可行的，因此，具有實用價值。
  15. In the end, implementation of if digital receiver unit of tdrss user transponder by the method of fpga and dsp cooperation design are completed successfully, which leads to good ds - ss if receiver design for the signal whose carrier frequency is 3mhz, pseudorandom code rate is 3mchips / s, data rate is 10kbps, frequency offset is no more 1khz, and modulation mode is bpsk

    最後，完成了該中頻數字接收機設計，並對其進行調試和測試。測試結果表明，該接收機能對載頻為3mhz ，頻偏不大於1khz ，偽隨機碼速率為3mchips / s ，信息碼速率為10kbps ， bpsk調制的直接序列擴頻中頻信號進行接收，基本滿足設計要求。
  16. In the third chapter, the properties of the bipolar sequence are analyzed firstly. the auto - correlation, the cross - correlation and the accommodation of simultaneous users under given bit error rate between the bipolar codes and unipolar codes are compared. the conclusion is that bipolar codes have better auto - correlation and cross - correlation, and the system that uses bipolar codes can accommodate more users and simultaneous users

    通過對其性質的總結，自相關曲線、互相關曲線的對比，以及在規定誤碼率條件下，使用雙極性序列的系統與使用光正交碼的系統之間的同時用戶數比較，得出以下結論，雙極性系統較之單極性系統具有更好的自相關、互相關函數，碼字容量更大，使用雙極性序列的ocdma系統在規定誤碼率條件下的同時用戶數比使用單極性序列的系統要多得多，雙極性序列完全適用於ocdma系統。
  17. For example, unicode utf - 16 encoding represents characters as sequences of 16 - bit integers, whereas unicode utf - 8 represents the same characters as sequences of 8 - bit bytes

    例如， unicode utf - 16編碼將字元表示為16位整數序列，而unicode utf - 8編碼則將相同的字元表示為8位位元組序列。
  18. A watermark is a digital code containing information of author id, company logo, product serial number or something else

    數字水印是一個包含例如作者id ，公司標志，產品序列號等信息的代碼。
  19. 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。
  20. In order to implement the iess 309 standard and sequential decoding for the convolutional codes in satellite digital receiver, we have made a deep research in sequential decoding algorithm and solved some problems on implementing the sequential decoder for convolutional codes

    為了實現iess309協議標準，在衛星數字接收機中實現卷積碼的序列譯碼，我們深入的研究了序列譯碼演算法，解決了序列譯碼器實現的過程中存在的一些問題。
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