pseudo random 中文意思是什麼

pseudo random 解釋
偽隨機
  • pseudo : adj. 〈口語〉假，偽，冒充的。
  • 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...
  1. The number of pseudo - random key bytes to generate

    要生成的偽隨機密鑰位元組數。
  2. This waveform library not only contains those typical radar signals like single - carrier frequency signal, encoded signal, lfm etc, but also include many hybrid modulated signals, like fsk / psk signal, fsk / ppm signal, psk / ppm signal, pseudo - random fsk / psk signal, etc. we use visual c + + 6. 0 to implement this software program, this makes it easy in control operation and provides a nice human - machine interactive interface

    波形庫中既包含了傳統的雷達波形，如單載頻脈沖信號、 lfm 、編碼信號等，又包括了復合調制波形，如fsk / psk信號、 fsk / ppm信號、 psk / ppm信號、偽隨機fsk / psk信號等。採用vc編程實現，使其具有友好的人機界面和靈活的控制操作。
  3. 15 naor m, reingold o. on the construction of pseudorandom permutations luby - rackoff revisited. journal of cryptology, 1999, 12 : 29 - 66. 16 naor m, reingold o. from unpredictability to indistinguishability : a simple construction of pseudo - random functions from macs

    Luby和rackoff是假定每個輪函數是隨機的，不考慮輪函數的設計而本文僅假定camellia演算法的非線性模塊是隨機的，降低假設條件，這樣假定更接近演算法本身的特性。
  4. This dissertation is the expanding of the military project of ‘ 95 ’ advance research, a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ), named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability ". based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal, we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal. the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal, so that we could get a strong response of the target

    本論文是『九五』軍事預研項目「低截獲概率雷達波形研究」的擴展與深入，同時結合國家自然科學基金項目「強探測強識別傳感器新型復合調制信號產生及處理」展開。在分析等概率分佈的fsk / psk復合調制信號的基礎上，構造了一種新的偽隨機fsk / psk復合調制信號及其非完全匹配處理的設計及模擬。設計的目的是能對偽隨機fsk / psk復合調制信號進行處理的處理信號，以期獲得對所探測目標信息的強探測。
  5. Study of exploration capability of pseudo - random code uwb short pulse

    偽隨機編碼超寬帶短脈沖的探測能力研究
  6. In this paper, a sheet metal assembly is as to the study object. msc / patran is used to modeling, calculating, and analyzing. the assembly variation is calculated using finite element method and pseudo random numbers which are produced by number theoretic method

    本文以金屬薄板為研究對象，利用有限元軟體msc / patran對其進行建模、計算與分析，利用數論方法產生的偽隨機點與有限元法相結合計算薄壁件的裝配公差。
  7. It takes use of pseudo - random technology, dynamic adaptive technology, multi - channel technology, random position embed technology and so no. so the digital watermarking can resist the physical process of printing and scanning. at the same time, the watermark is binary image which includes a great deal of information, such as personal id, secret information, even a piece of map

    本文特別針對印刷和掃描給數字圖像帶來的誤差的問題，設計了一種新的水印演算法，綜合運用了偽隨機處理技術、動態自適應技術、不同應用選擇不用頻帶處理技術、隨機位置嵌入技術、多通道嵌入等技術，使得本文所設計的水印演算法能夠抵抗印刷和掃描的物理轉換過程，同時本文所設計的水印是二值圖像，能夠承載大量的信息，例如個人id 、機密信息、商標標識，甚至可以是一幅地圖。
  8. 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。
  9. Because the random numbers generators are the key of monte carlo methods and quasi - monte carlo methods. chapter 2 describes the pseudo - random number generators and quasi - random number generators

    因為隨機數發生器是蒙特卡羅和擬蒙特卡羅方法的核心之一，所以第2章介紹了偽隨機數和擬隨機數發生器。
  10. Returns a pseudo - random key from a password, salt and iteration count

    用密碼、 salt值和迭代次數返回偽隨機密鑰。
  11. Narrowband watermarking information is spread into wideband pseudo - random code before being embedded by modifying the scale of the distance between vertexes in two - dimensional engineering graphics

    該方案先將待嵌入的窄頻帶的浮水印信號擴頻為寬頻帶的偽隨機序列，然後再以偽隨機序列為依據對二維工程圖中直線實體的長度作相應的修改。
  12. Statistical analysis of the orthogonality between images and pseudo - random sequences

    基於統計數學的偽隨機序列與圖像正交性分析
  13. Three algorithms for pseudo - random fsk / psk radar signals ’ sidelobe suppression such as spectrum modifying, direct mismatch filters and neural network. 3. using adsp 21160 to design dsp programs with assembly and c languages for the three algorithms mentioned above on visualdsp + + 3. 5 integrated development environment

    3 .用adi公司的sharc系列晶元adsp21160 ，在visualdsp + + 3 . 5集成開發軟體平臺上，完成以上三種旁瓣壓縮演算法實現的匯編、 c語言程序設計和調試工作。
  14. This dissertation adopts a universal digital ds / dmpsk modulation and demodulation scheme which is based on fpga. this scheme adopts quadrature balanceable modulation, intermediate frequency sampling, digital matched filtering, delay differential demodulation techniques and so on. it directly processes the digital signals on intermediate frequency without down - conversion, and doesn ’ t need pseudo random codes synchronization and carrier wave extraction circuits

    本文採用了一種基於fpga的通用數字調制解調方案，該方案在調制端採用了正交平衡調制技術，在解調端採用了中頻帶通采樣、數字匹配濾波、延時差分解調等技術，直接在中頻上進行數字信號處理，不需要進行下變頻，也不需要增加額外的偽隨機碼同步捕獲和載波提取電路。
  15. The pseudo - random fsk / psk multi - modulation signal and the partly - matched processing signal remain the information of the target of interest. compared with the other processing methods, the partly - matched procession could depict the target ' s information effectively, and could get a higher output snr under a noisy environment. in this dissertation, the deduction and the simulink on the computer of the average ambiguity function of the pseudo - random fsk / psk multi - modulation signal are presented. also, to the partly - matched procession, analysis in theory and simulink on computer are presented. the partly - matched procession applied in radar field is also discussed

    較其它處理方法，非完全匹配處理能有效的突出所觀測目標的信息，以及在加噪情況下，其具有高的輸出信噪比。在論文中，對偽隨機fsk / psk復合調制信號的模糊特性進行了推導與模擬，對非完全匹配處理方法進行了理論上的分析以及計算機上的模擬驗證，討論了其在雷達中的應用。
  16. Noise - the shadow samples are offseted from each other in a pseudo - random way, which artificially soften the borders of the shadows

    噪聲陰影采樣值的間值呈偽隨機數序列，將逼真地模擬陰影的邊界。
  17. With the simulation and analysis using matlab, this paper studied a method to design low sidelobe fsk / psk radar signal with genetic algorithm and three algorithms for pseudo - random fsk / psk radar signal sidelobe suppression

    本文討論了一種用遺傳演算法設計低旁瓣水平fsk / psk信號的方法和三種偽隨機fsk / psk信號旁瓣抑制演算法，並用matlab進行了模擬分析。
  18. All the algorithms are implemented in c. to assess the performances of the algorithms, we first apply theoretical distribution and use pseudo - random function to generate some synthetic datasets, on which experiments are then performed to find hybrid association rules

    所有演算法均用c實現。為驗證演算法的有效性，我們根據理論分佈，使用偽隨機函數生成了若干數據集，進行了關聯規則挖掘實驗，並對實驗結果進行了分析。
  19. 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。
  20. The data captured by b3g test tools is used for debugging the module and analysing performance. in addition, the b3g test tools support bits error ratio test based on pseudo - random number

    B3g測試工具還利用了偽隨機（ pn ）序列對整個系統進行誤比特率（ ber ）的測試。
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