random sequence 中文意思是什麼

random sequence 解釋
隨機時序
  • random : n 〈罕用語〉胡亂行為,偶然的[隨便的]行動[過程]。adj 1 任意的,胡亂的,隨便的;(話等)信口亂說的...
  • 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. In this paper, two questions on exetreme value theory are investigated as follows : i. the asymptotic properties of the large quantile and endpoint of a distribution : let { xi } be an i. i. d random sequence with common distribution f ( x ) which is unknown. denote mn ( k ) as the k - th maxima of x1 … xn

    本文對極值理論的兩個問題進行了探討:一、大分位數與尾端點的漸近性質設{ x _ i }是來自未知分佈f ( x )的i . i . d的隨機序列。
  2. The method generates a random sequence to identify the original recipient of the document by user register. then it uses the crc error coding technique to form a watermark sequence

    即通過用戶信息注冊,產生與文本對應的一個偽隨機序列號,加入crc糾錯碼后,形成水印序列。
  3. In chapter 5 the jamming such as phase modulation noise, binary pseudo random sequence and multiple pseudo targets are discussed

    第五章對雷達干擾進行了闡述,主要的干擾信號有連續噪聲調相干擾、偽隨機碼噪聲干擾、多假目標干擾。
  4. Bill shows off the main mode, including the different mental exercises which appear in random sequence

    比爾演示了該游戲的主要模式,包括隨機出現的各種不同的思維練習。
  5. Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest. the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function. and the mismatch - phase sequence is corresponding with the frequency sequence one by one

    而頻率編碼為不均勻分佈,由所觀測目標的頻譜信息提取出概率密度函數決定頻率編碼序列的分佈;相位編碼為二元的偽隨機序列,採取均勻的二相編碼,消減同頻脈沖帶來的過高的相關函數的旁瓣;而失配相位為與頻率編碼相一一對應于各子脈沖中。
  6. Investigation and realigation of pseudo - random sequence generator

    偽隨機序列發生器的研究與實現
  7. Some strong limit theorems of random sequence based on exponential distribution

    隨機序列基於指數分佈的若干強極限定理
  8. The rest mutations in pp38 and pp24 are at random. sequence analysis also shows the first 195 nuclear acids of pp38 and pp24 are the same except for the 81 site ( g / c ), but this mutation does not cause the change of amino acid. we regard this as a genetic marker connecting with geography in the evolution of mdv but not related to isolated time and pathotype of different strain of mdv i

    對pp24基因和pp38基因進行同源性比較分析的結果表明,絕大多數毒株二者的前195個核苷酸完全一致,不同毒株間的第81位核苷酸的差異( g / c )並不引起編碼的氨基酸變化,僅僅與地域分佈有關,這很可能是mdv在長期病毒衍化過程中形成的地域性遺傳標志,而與病毒的分離年代及mdv的致病型等因素無關。
  9. 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。
  10. This paper is focused on images watermarking algorithms. watermark casting operates in frequency domain, embeds pseudo - random sequence of real number in selected coefficients without image degradation. a blind watermark retrieval technique that can detect the embedded watermark without resorting the original image is proposed, so that the proposed techniques represents a major improvements to those relying on the comparison between the watermarked and original image, which is not practical for a huge image database

    本文主要研究針對圖像水印系統的演算法研究,採用偽隨機序列作為水印信號,利用變換域系數作為水印的載體,在不降低圖像質量的前提下達到嵌入水印的目的,在恢復水印的過程中無需原始圖像的參與,相比較那些需要利用原始圖像恢復數據的系統,文中所提出的方案更具有實用性。
  11. ( 2 ) a new digital frequency - hopping communication system based on cipher - quasi - chaotic sequence is proposed, which combines the cryptography and frequency - hopping technology. the system ' s protocol, base - band signal processing and modulation / demodulation algorithms of the radio - frequency part are designed, and the hardware experiment conducted on a prototype of the system show that the system functions well. the finite precision problem arising while taking use of chaotic signal to generate pseudo - random sequence is studied and the anti - tracking capability of the cipher - quasi - chaotic sequence is studied with the volterra - tls method proposed in this dissertation

    ( 2提出一種新的基於密碼準混飩序列的密碼與跳頻技術相結合的跳頻通信系統,並且進行了協議部分、拂信號處聊分、射頻調制解調演算法部分的模擬研究和系統的硬體實驗研究;研究了利用混飩信號產生偽隨機序列的有限精度實現問題,利用本文提出的m業肚m 113方法對密碼準混飩序列產生的跳頻碼的抗鵬干擾能力進行了模擬實驗研究。
  12. In this paper we adopt pseudo - random sequence or gray level image as the watermark, choose the dwt coefficients as the carrier, then embed the watermark into the carrier imperceptually. one algorithm accomplishes blind extracting. it presents a symmetric algorithm based on shuffling technique

    採用偽隨機序列或灰度圖像作為水印信號,利用dwt變換系數作為水印的載體,在不降低圖像質量的前提下達到嵌入水印的目的,部分方案在恢復水印的過程中無需原始圖像的參與。
  13. The original meaning of " allocation concealment " is that the statistician and the trial designer who generated the random sequence and allocation sequence should not recruit and allocate the participants for the purpose of avoiding selection bias

    摘要「分配隱藏」很容易被誤解而被廣大臨床試驗實施者和論文作者所忽略,尤其是常將「分配隱藏」與盲法混淆。
  14. Use the high - quality pseudo - random sequence to create pseudo - random fsk / psk signal ; 3

    用產生的高質量偽隨機數設計偽隨機fsk / psk信號; 3
  15. This note is devoted to introduce the concept of dominated random sequence and give a weak law of large numbers for dependent random sequence

    摘要引入受控隨機序列的概念,給出了獨立隨機序列的一個弱大數定律。
  16. Assuming the program could guess a different random sequence at the rate of 100 per second, it would take an average of 12 years to chance upon your chosen password

    假設程序能以每秒100種不同隨機序列的速度猜測密碼,平均要12年才會偶爾猜中您所選的密碼。
  17. One method is to embed the watermarking signal of pseudo - gauss random sequence into the low frequency sub band of dwt domain by analyzing both the distribution of the signal energy and the influence of the image disposal

    一是通過對圖像小波變換后圖像能量的分佈以及圖像處理對各小波子圖影響的分析,提出將高斯水印嵌入到小波變換的逼近子圖中。
  18. Chapter six studies characteristics and implementations of pseudo - random sequence generator and data scrambling, and fulfills the de - scrambling function with asic

    第六章討論了偽隨機序列和數據擾碼的特點,並給出了其asic實現方案。
  19. When overridden in a derived class, fills an array of bytes with a cryptographically strong random sequence of values

    當在派生類中重寫時,用加密型強隨機值序列填充位元組數組。
  20. Algorithm and design for pseudo - random sequence ultrasonic spread spectrum distance measurement system

    偽隨機碼超聲擴頻測距系統設計與演算法
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