space coding 中文意思是什麼

space coding 解釋
間隔編碼
  • space : n 1 空間;太空。2 空隙,空地;場地;(火車輪船飛機中的)座位;餘地;篇幅。3 空白;間隔;距離。4 ...
  • coding : n. 編碼;譯成電碼。
  1. 3. characteristic points are established through projecting images of regular points to measured surface. space dimidiate coding method which is called rough match and correlation technology, centroid technology, corner detect technology which are called precise match are used to acquire characteristic points accurately

    將空間規則點圖案投射到被測物體表面形成特徵點,然後利用空間二分編碼粗略獲得空間特徵點(稱為粗匹配) ,再利用自相關技術、質心技術和角點技術精確獲得空間特徵點的圖像坐標(稱謂細匹配) 。
  2. As a combination of ofdm with space - time coding technique, mimo - ofdm becomes more and more important in the future wireless communication systems, the mimo - ofdm system can not only effectively enhance the transmission rate and capacity of the wireless communication system but also greatly mitigate the effections of mufti - path fading and interfere

    Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起,能夠大幅度的提高無線通信系統的通道容量和傳輸效率,並能有效的抵抗多徑衰落、抑制干擾和噪聲。
  3. Space - time trellis coding for uwb systems based on different modulations

    基於多種調制方式的超寬帶空時網格編碼
  4. Experimental results show that the proposed method can reduce the computational complexity significantly compared with the full search method, and maintain similar decode visual quality and coding bit rate, then improve the ray - space data coding efficiency

    實驗結果表明,與全搜索方法相比,該方法計算復雜度明顯降低,同時保持了近似的解碼圖像質量和編碼碼率,進一步提高光線空間數據的編碼效率。
  5. Convolutional coding is a coding scheme often employed in deep space communications and recently in digital wireless communications. it offers an alternative to block codes for transmission over a noisy channel

    卷積碼被運用於衛星通信和無線通信系統中,它提供了一種不同於分組碼的在噪聲通道下傳輸信息的一種編碼方案。
  6. The dissertation combine the theory, with using integers dct transform to realize grey image lossless compress with the method of reversible color space integers transform and reversible integers dpcm prediction to realize lossless compress from grey image to color image with huffman coding method via visual c + + program

    本文借鑒整數dct變換實現灰度圖像無損壓縮的理論研究成果,將其與可逆的顏色空間整數變換和可逆的整數dpcm預測相結合,採用哈夫曼編碼方法,用vc編程實現了從灰度圖像到彩色圖像的無損壓縮。
  7. It can be summarized in several aspects : 1. researching the coding and decoding technic, and give the some method of improving the space coding theory. 2. researching the digital signal process technology, and build the control system by using the digital signal processor tmslf2407a. 3

    本文主要研究激光駕束制導反坦克導彈技術以及其物理實現,主要工作包括以下幾個方面: 1對于制導編碼技術進行了一定程度的研究,提出了改進空間編碼技術的若干方法。
  8. Comparing with the system which does not space - time code, space - time coding can obtain transmit diversity and increase channel capacity without frequency bandwidth loss

    與空間未編碼系統相比,空時編碼可以在不犧牲帶寬的情況下起到發射分集和提高功率增益的作用。
  9. Abstract : by comparing the channel capacities hetwem orthogonal space - time block coding and multi - antenna array system over rayleigh fading channel, some capacity loss for orthogonal space - time block coding is obtained, which is a function of the code rate, the rank of channel matrix and the number of transmitter and receive antennas, although the system of orthogonal space - time block codes is simple and easy to implemented. if is also shown that there is no capacity loss only if both the code rate and the channel matrix rank are all one

    文摘:在研究瑞利衰落條件下正交空時分組編碼通道容量的基礎上,將其與多發送多接收天線系統的通道容量進行了比較.比較結果表明,正交空時分組碼雖編碼簡單,易於實現,但在通道容量方面存在較大的損失,損失的程度與編碼碼率、通道矩陣的秩及收發天線數等因素有關.進一步研究表明只有當編碼碼率和通道矩陣的秩都為1時,才沒有通道容量的損失
  10. A sheme of two code - rates tcm - qam with high coding gain is presented, its signals space is mapping for 90 rotationally invariant codes ( ric )

    摘要提出了一種適用於慢變通道的雙碼率tcm - qam系統方案,該方案有較高的編碼增益,同時滿足90旋轉不變要求。
  11. Space - time coding for single - carrier frequency - domain equalization systems

    引入空時編碼的單載波頻域均衡系統
  12. By the coding, all first - order rules needed to explore are mapped into the points in genetic space ; ( 2 ) the fitness function, which evaluates the quality of first - order rule. the variation of fir

    ( 2 )評判一階規則優劣的適應度函數,一階規則適應度的相應變化形成了遺傳空間高低起伏的地貌特徵; ( 3 )由交叉和變異運算元決定的規則間的鄰接關系,描述了遺傳空間地貌的溝壑或橋梁。
  13. In this thesis, we subsequently introduce the basic concepts of wavelet transform, especially the pyramidal algorithm and its fast realization - lifting scheme ; this scheme can decrease the time and space complexity of wavelet transform greatly. wavelet transform, the most perfect mathematical tool of signal processing theory, makes great success in the field of data compression. ezw and spiht are the milestones of wavelet image coding on the noiseless channels, and jpeg2000 adopts the ebcot algorithm

    嵌入式零樹小波編碼( embeddedzerotreewavelets )和多級樹集合分裂演算法( setpartitioninginhierarchicaltrees )都是迄今為止最為優秀的理想通道情形下的小波編碼方案:而jpeg2000靜態圖像壓縮國際標準採用的是嵌入式碼流優化截斷塊式編碼演算法( embeddedblockcodingwithoptimizedtruncationoftheembeddedbit - streams ) 。
  14. Based on spiht, no lists zerotree coding algorithm ( nls ) has been put forward to be applicable for hardware implementation. simple in structure, small in storage space, the nls algorithm is very close to spiht in the quality of reconstructing image

    本文在spiht的基礎上提出了一種適于硬體實現的無列表零樹編碼演算法,該演算法結構簡單,存儲空間開銷小,而且重建圖象質量僅略遜于spiht 。
  15. The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on

    主要包括: maxwell電磁理論;發送光場模型;空間通道模型;計算機網路通信技術:無線局域網通信技術;媒體訪問控制規程( mac ) ;載波檢測多址接入碰撞檢測規程( csma cd ) ;曼徹斯特編碼與ppm編碼技術等。
  16. Then the performance for sttc in multipath and time - dispersive fading channels is derived. in chapter 5, space - time block coding ( stbc ) is studied

    研究了空時格狀編碼在多路徑和時間色散的衰落通道中的性能,得到它的性能限。
  17. In chapter 4, space - time trellis coding ( sttc ) is studied. an exact pairwise error probability is derived for space - time codes operating over rayleigh fading channels

    在第四章中,研究了空時格狀編碼的問題,推出了誤碼概率的確切表達式。
  18. A subspace - based blind channel estimator has been developed for space time coding orthogonal frequency division multiplexing ( stc - ofdm ) system with two transmit antennas and two receive antennas

    摘要針對使用2個發射天線和2個接收天線並且採用循環前綴的空時編碼正交頻分復用系統( stc - ofdm ) ,提出了一種通道盲估計演算法,並給出通道可被辨識的條件。
  19. Blind signal detection for space - time block coding in frequency - selective scenario with linear pre - coding

    頻率選擇性通道下空時分組碼直接盲信號檢測演算法
  20. Chapter 4 discusses an important component of smart antenna technique : time - space coding. we combine time - space coding and blind adaptive multiuser detection to enhance system capacity further

    第四章討論了智能天線技術的一個重要組成部分:空時編碼技術。將空時編碼技術和盲自適應多用戶檢測技術相結合,進一步提高了系統容量。
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