random coding造句
例句與造句
- Pseudon - random code of direct - sequence spread - spectrum commnunication system
直接系列擴(kuò)頻通信中的偽隨機(jī)碼 - Study of exploration capability of pseudo - random code uwb short pulse
偽隨機(jī)編碼超寬帶短脈沖的探測(cè)能力研究 - New random coding algorithm
一種新隨機(jī)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(jī)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(kāi)發(fā)應(yīng)用過(guò)程中所遇到的幾個(gè)具體問(wèn)題做了詳盡的論述，包括亂碼、分頁(yè)等。 - It's difficult to find random coding in a sentence. 用random coding造句挺難的
- 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(lái)實(shí)現(xiàn)了幾種偽隨機(jī)碼調(diào)制信號(hào)的模塊以及提取速度距離信息的雷達(dá)信號(hào)處理模塊,成果可用于實(shí)際的雷達(dá)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(hào)擴(kuò)頻為寬頻帶的偽隨機(jī)序列，然后再以偽隨機(jī)序列為依據(jù)對(duì)二維工程圖中直線(xiàn)實(shí)體的長(zhǎng)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(shí)現(xiàn)中重點(diǎn)解決了亂碼、分頁(yè)等問(wèn)題。首先，介紹了wap協(xié)議的基礎(chǔ)知識(shí)，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(lái)討論了偽隨機(jī)擴(kuò)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(wú)線(xiàn)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(jī)性編譯碼條件而獲得了接近shannon理論極限的譯碼性能。 - 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(dá)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(kuò)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(jì)制作了量子保密通信用的真隨機(jī)碼發(fā)生器，先后制成了兩臺(tái)樣機(jī)，一臺(tái)采用窄帶隨機(jī)信號(hào)源，一臺(tái)采用寬帶隨機(jī)源，并研究了隨機(jī)源對(duì)隨機(jī)碼的隨機(jī)性的影響，最后進(jìn)行了隨機(jī)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(huì)議上提出，它巧妙地將卷積碼和隨機(jī)交織器結(jié)合在一起，實(shí)現(xiàn)了隨機(jī)編碼的思想，同時(shí)，采用軟輸入軟輸出迭代譯碼來(lái)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(jì)出時(shí)間標(biāo)記碼在信噪比達(dá)- 20dd時(shí)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(jì)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(hào)直接捕獲的方法與實(shí)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(shí)差分解調(diào)等技術(shù),直接在中頻上進(jìn)行數(shù)字信號(hào)處理,不需要進(jìn)行下變頻,也不需要增加額外的偽隨機(jī)碼同步捕獲和載波提取電路。
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