linear low density 中文意思是什麼

linear low density 解釋
線性低密度
  • linear : adj. 1. 線的，直線的。2. 長度的。3. 【數學】一次的，線性的。4. 【動、植】線狀的；細長的。5. 由線條組成的，以線條為主的，強調線條的。
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  1. Cascaded low - density erasure codes are based on sparse random bipartite graphs. very efficient linear time encoding and erasure recover algorithms with the arbitrarily near erasure channel capacity performance of the codes with respect to the algorithms have made them one of the most optimal coding techniques up to now

    基於稀疏隨機二部圖的級聯型低密度糾刪碼因其線性時間的編譯碼演算法和可任意逼近刪除通道容量限而成為目前最佳編碼技術之一。
  2. The principles of erasure codes used under binary erasure channels are summarized and erasure codes which belong to standard classes of rs codes are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. thresholds of regular degree distributions are analyzed. it is shown that low - density erasure codes based on ( d, 2d ) - regular sequences of degree distribution are not close to optimal ( d 3 ). two pares of irregular degree distribution sequences are introduced and a pare of improved right regular sequences of low - density erasure codes are presented, it is testified that the new sequences are asymptotically quasi - optimal. in the meantime, simulations of cascaded low - density erasure codes based on a few types of special sequences of degree distribution available are given, together with performance analyses on these codes

    闡述了應用於刪除通道下的糾刪碼基本原理，介紹了兩類標準的rs碼類糾刪碼，重點分析了具有線性時間編碼和恢復演算法的漸近好碼?級聯型低密度糾刪碼，分析了正則度分佈的閾值，對正則低密度校驗碼在刪除通道下的糾錯性能進行了模擬，從理論上證明了基於（ d ， 2d ） -正則度序列的低密度糾刪碼都不是漸近最優碼（ d 3 ） ，同時還分析了非正則低密度校驗碼的度序列設計，基於右邊正則序列提出了一種改進型右邊正則序列，證明了此序列為漸近擬最優的，對基於幾類現有典型度分佈序列的級聯型低密度糾刪碼進行了模擬模擬及性能分析； 3
  3. Ldpc ( low density parity check ) code is a kind of linear block code that defined by very sparse parity matrix or tanner graph, and it is also called gallager code since gallager initially presented it

    Ldpc （ lowdensityparitycheck ）碼是一類用非常稀疏的校驗矩陣或二分圖定義的線性分組糾錯碼，最初由gallager發現，故亦稱gallager碼。
  4. The linear block code is called a binary low - density parity - check code if it is based on a sparse parity - check matrix. this sort of code was originally proposed by dr. gallager in 1962, which cannot attract a large amount of interest at that time

    低密度奇偶校驗（ ldpc ）碼是基於稀疏校驗矩陣的線性分組碼，它最初由gallager於1962年提出，當時並未受到人們的重視。
  5. Plastics used for food container and package - part 2 : determination of phenolic antioxidants and erucamide slip additives in linear low - density polypropylene - liquid chromatography

    食品容器包裝用塑料原料.第2部分:線性低密度聚乙烯中酚類抗氧劑和芥酰胺爽滑劑的測定方法.液相色譜法
  6. Linear low density polyethylene resin

    線型低密度聚乙烯樹脂
  7. Standard test method for determination of phenolic antioxidants and erucamide slip additives in linear low - density polyethylene using liquid chromatograph

    用液相色譜法測定單面低密度聚乙烯酚氧化劑和摻合劑的標準試驗方法
  8. Low density parity check codes are a class of linear block error - correcting codes that can be defined by the very sparse parity - check matrix. their error performance approach shannon limits

    Ldpc碼（低密度校驗碼）是一類可以用非常稀疏的奇偶校驗矩陣定義的線性分組糾錯碼，具有逼近香農限的性能。
  9. The defect and interface in sapphire and gan were observed by afm. we found that when the dislocation density in sapphire was lower thanl05 / cm2, the dislocation density in gan was 108 ~ 109 / cm2and not linear with the dislocation in sapphire. the impurity of mo in sapphire and gan was measured by sem xps epma and uvf we found the mo content in sapphire was 10 - 4, and the mo content in gan was lower than ppm. so it was concluded that low - cost mo crucible is viable

    用掃描電鏡（ sem ） 、 xps 、電子探針和紫外熒光光譜儀測量了藍寶石襯底和gan外延層中的mo雜質的含量，發現藍寶石襯底中含有mo雜質，含量約為10 ~ （ - 4 ） （質量含量） ；而在外延層gan中沒有檢測到mo雜質，即mo雜質含量小於ppm級。
  10. Test method for determination of phenolic antioxidants and erucamide slip additives in linear low density polyethylene using liquid chromatography

    用液相色譜法測定線性低密度聚乙烯中酚醛阻氧化劑和erucamide潤滑添加劑的方法
  11. Erasure codes which belong to standard classes of rs codes and their erasure correcting principles are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. the encoding and decoding complexities of these codes are analyzed. 2

    介紹了標準的rs碼類糾刪碼及其糾刪原理，重點介紹了具有線性時間編碼和恢復演算法的漸近好碼?級聯型低密度糾刪碼，分析了這幾類糾刪碼的編譯碼復雜度； 2
  12. It is used for blowing the plastic laminated film of low density polyethylene, high density polythylene and linear low density polyethylene etc, which are widely used for packing liquid, industrial products, garments and textile, ect, and printing lamination

    Lldpe等塑料復合膜。廣泛應用於液體包裝印刷基材出口產品包裝工業品包裝等。
  13. Low density parity check ( ldpc ) codes are good error - correcting codes, which can approach shannon ' s capacity limit. due to the sparsity of its check matrix, ldpc codes can be decoded only with linear time complexity using iterative decoding algorithm. therefore, ldpc codes have become one of the most attractive fields in the channel coding community

    低密度校驗碼是一種逼近香農限的好碼，由於其校驗矩陣的稀疏特性，採用迭代譯碼演算法，它的譯碼僅具有線性時間復雜度，所以目前ldpc碼己成為通道編碼理論界的研究熱點之一。
  14. Linear low density polyethylene, lldpe

    線型低密度聚乙烯
  15. Lldpe linear low density polyethylene

    線型低密度聚乙烯
  16. Standard test method for determination of linear low density polyethylene composition by carbon - 13 nuclear magnetic resonance

    用碳- 13核磁共振法測定線性低密度聚乙烯成分的標準試驗方法
  17. We are building an polypropylene ( linear low density polyethylene, product handling ) plant with an annual capacity of 400, 000 metric tons

    我們正在建設一座年產四十萬噸的聚丙烯（線性低密度聚乙烯，產品包裝）工廠。
  18. These two models of machines are suitable for blowing plastic films in all types such as low density polyethylene ldpe, high density polyethylene hdpe and linear low density polyethylene lldpe

    這二種機型適用於吹制各種低密度聚乙烯ldpe高密度聚乙烯hdpe和線性低密度聚乙烯lldpe等塑料薄膜。
  19. It is applied to blowing plastic films like lpw density polytene ( ldpe ) 、 high density polytene ( hdpe ) and linear low density polytene ( lldpe ) 、 etc lt is widely applied to packing foodstuff 、 clothing 、 ruddish bags 、 vest ones 、 in the civil and industries sectots

    用途：適用於吹制低密度聚乙烯（ ldpe ）高密度聚乙烯（ hdpe ）線性低密度聚乙烯（ lldpe ）等塑料薄膜，廣泛應用於食品、服裝、垃圾袋、背心袋等民用及工業包裝。
  20. In next mobile communication system to suffice more and more high - speed data service and demand of qos ( quality of service ) many new wireless link layer transport technologies are going to be used such as mimo ( multiple input multiple output ), ofdm ( orthogonal frequency division multiplexing ), channel coding and acm ( adaptive coding modulation ) etc. low density parity check ( ldpc ) codes were first discovered in 1960 ’ s which belong to linear block codes with their parity matrix being sparse

    下一代移動通信系統為了滿足移動用戶對高速、寬帶數據傳輸業務不斷增長和更高服務質量的要求，採用了許多新的無線鏈路傳輸技術，包括多天線發射和接收技術、正交頻分復用技術、通道糾錯編碼技術和自適應編碼調制技術等。上世紀60年代提出的低密度校驗碼，是一種校驗矩陣為稀疏矩陣的線性分組碼。
分享友人
分享到 Line

分享到臉書