random coding造句
造句與例句
手機版
- Pseudon - random code of direct - sequence spread - spectrum commnunication system
直接系列擴頻通信中的偽隨機碼 - 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 - New random coding algorithm
一種新隨機編碼算法 - This scheme can also adapt ds / dmpsk modulation and demodulation with different base data rate , different pseudo random codes and different intermediate frequency
該方案可以適應(yīng)不同基帶數(shù)據(jù)速率、不同偽隨機碼和不同中頻的ds / dmpsk的調(diào)制和解調(diào)。 - Second , i discuss the problems particularly that i missed during the process of the development , including the random code and pagination etc . in spite of these problems are very complex , i solve them with the sofeware menas
其次，就在開發(fā)應(yīng)用過程中所遇到的幾個具體問題做了詳盡的論述，包括亂碼、分頁等。 - And a few module of quasi random code modulation signal and a radar signal processing module which can extract the information of velocity and range are carried on . the result can be applied on radar systems
接下來實現(xiàn)了幾種偽隨機碼調(diào)制信號的模塊以及提取速度距離信息的雷達信號處理模塊,成果可用于實際的雷達系統(tǒng)。 - 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，然后再以偽隨機序列為依據(jù)對二維工程圖中直線實體的長度作相應(yīng)的修改。 - And during the course of the particular implement , i mainly resolved the problems of the random code and pagination etc . first , i introduce the basic knowledge of the wap , and the difference with the http that we are familiar to
并在具體實現(xiàn)中重點解決了亂碼、分頁等問題。首先，介紹了wap協(xié)議的基礎(chǔ)知識，以及與我們所熟悉的http協(xié)議的區(qū)別。 - After that , it discusses the capture and tailing method for the false random code spreading code , including correlation and non - correlation method . between the two method , the correlation method is fit for the wireless communication
接下來討論了偽隨機擴頻碼的捕獲和跟蹤方法,包括相干的方法和非相干的方法,其中非相干的方法更適合用于無線通信中。 - Turbo code , which utilizes the condition of random coding and decoding of shannon noisy channel coding theorem , has obtained the performance near to shannon theoretic limit . the performance of turbo code is the best one in all presented coding methods
Turbo碼由于很好地應(yīng)用了shannon有噪信道編碼定理中的隨機性編譯碼條件而獲得了接近shannon理論極限的譯碼性能。 - It's difficult to see random coding in a sentence. 用random coding造句挺難的
- This paper focus on these problems and discusses the possibility of using pseudo - random code phase modulated ( prcpm ) technology in measuring high speed target . at first the basic principle of the m series is given , then a doppler pretreatment method is given
首先介紹了m序列編碼基本理論,然后給出了m序列調(diào)相雷達多普勒預(yù)處理的方法,該方法充分利用了m序列的移位相乘后仍為m序列的特性,并且將該方法擴展到一般的二相碼序列。 - 2 , studying the character of the output of the laser used on the practical qkd system , and design and made a photo - electronic detection circuit to accomplish the necessary photo ? electronic conversion for the practical qkd system . 3 , designed two balance true random codes generators for qkd system , they are based on physical random source . and analyzed randomicity of the generators
三、設(shè)計制作了量子保密通信用的真隨機碼發(fā)生器，先后制成了兩臺樣機，一臺采用窄帶隨機信號源，一臺采用寬帶隨機源，并研究了隨機源對隨機碼的隨機性的影響，最后進行了隨機性的分析。 - Turbo codes were presented by c . berrou in international conference on communications in 1993 . they hang convolutional code and random interleaver together to realize the idea of random coding , and adopt soft input / soft output ( siso ) iterated decoding to approach maximum likelihood decoding ( mld ) . turbo codes come closer to approaching shannon ' s limit
Turbo碼，由c . berrou等在icc ’ 93會議上提出，它巧妙地將卷積碼和隨機交織器結(jié)合在一起，實現(xiàn)了隨機編碼的思想，同時，采用軟輸入軟輸出迭代譯碼來逼近最大似然譯碼，具有近shannon限的性能。 - This thesis presents the acquisition method of synchronization codes and time mark codes under - 20db gaussian channel . then the total step length between initial state and current state can be calculated . basing on the step length , we can deduce the current state of pseudo - random codes , and implement the acquisition of the special pseudo - random codes
本文設(shè)計出時間標(biāo)記碼在信噪比達- 20dd時的捕獲方案，在此基礎(chǔ)上提出了由偽碼歷經(jīng)的狀態(tài)數(shù)，計算子碼當(dāng)前狀態(tài)的方法，從而獲得了在30秒內(nèi)完成導(dǎo)航定位衛(wèi)星信號直接捕獲的方法與實現(xiàn)方案。 - 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
本文采用了一種基于fpga的通用數(shù)字調(diào)制解調(diào)方案,該方案在調(diào)制端采用了正交平衡調(diào)制技術(shù),在解調(diào)端采用了中頻帶通采樣、數(shù)字匹配濾波、延時差分解調(diào)等技術(shù),直接在中頻上進行數(shù)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。 - The thesis originally shows a new second - frame structure , which is made up of the synchronization codes , time mark codes and pseudo - random codes , also brings out the spread spectrum method for the synchronization codes and time mark codes and the analysis of the correlation and security of the pieces of the pseudo - random codes in the satellite signal
本文設(shè)計出了“前導(dǎo)碼?時間標(biāo)記碼?偽隨機碼”的信號秒幀結(jié)構(gòu)，提出了前導(dǎo)碼和時間標(biāo)記碼的gold碼擴頻方案，以及偽隨機碼的生成方案，在此基礎(chǔ)上分析了偽碼的相關(guān)性和安全性。
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