linear adj. 1.线的,直线的。 2.长度的。 3.【数学】一次的,线性的。 4.【动、植】线状的;细长的。 5.由线条组成的,以线条为主的,强调线条的。 linear amplification 直线放大。 a linear equation 一次方程式。 a linear leaf 线形叶。 linear arts 线条艺术。
block n. 1.片,块,大块;粗料,毛料;木料;石料;金属块;【建筑】块料,砌块;【地质学;地理学】地块。 2.俎,砧板,(切肉等的)墩,台;断头台;骑马台(等);【印刷】(插图)衬版,版垫;(印花)模板;剪裁样板;(装订)钢模;帽模,帽楦;【造船】船台;煞车;【计算机】部件。 3.滑车,辘兽,滑轮组。 4.一组,一套,一批;黏贴的帐;大宗股票。 5.一排大建筑;〔英国〕大楼,大厦;〔美国〕街区〔四条街当中的地区〕街段,地段;区,区组。 6.(铁路)区段,区截;(戏院)座位区;(政府分配移民等的)划区;〔澳大利亚〕 〔the block〕 热闹街道,闹市,繁华的大马路。 7.(橱窗陈列帽、假发等用的)木制假头;〔美口〕头;挂表;名誉不好的人;木头人,笨汉;铁石心肠的人。 8.障碍,阻碍;【无线电】停振;【医学】阻滞;〔英国〕(交通的)堵断;(对议案的)反对声明;【体育】(合法)阻挡;【棒球】障碍球。 9.集团 (= bloc)。 concrete blocks 水泥板。 paving blocks 铺路石板。 a block of stone 石料。 building block [blocks] 【建筑】砌块〔儿童玩的积木〕。 a hat block 帽楦。 a single [double] block 单〔复〕滑车。 traffic block 交通堵塞。 a large block of tickets 一大迭戏票。 He has a block when it comes to math. 一碰上数学,他的脑子就木了。 an input [output] block 【计算机】输入〔输出〕部件。 a swage block 【机械工程】型砧。 gauge block 【机械工程】块规。 screw block 千斤顶。 as like as two blocks 像极了的。 cut blocks with a razor 剃刀砍木头,用非其当。 go [be sent, be brought] to the block (被送)上断头台;被提出拍卖。 in [the] block 成批,成套。 knock sb.'s block off 给某人吃苦头,痛揍某人。 on the block 拿出拍卖;〔澳大利亚〕逛闹市。 to do the block 散步,逛马路。 vt. 1.妨碍,阻挠;堵塞,封锁;冻结(资金等);杜绝;〔英国〕对(议案)事先作反对宣传。 2.把…放置台上;用木片等塞牢;使…成块状;用帽模打(帽样);给(书籍)烫金;(球类运动中合法)阻挡。 3.【铁路】以区截制管理(行车)。 4.【戏剧】排练(主要位置和动作)。 5.画出…的轮廓〔草图〕。 block a hat 打帽样。 blocked funds 被冻结资金。 two-way blocking positions 两面阻击阵地。 a blocking oscillator 【物理学】间歇振荡器。 vi. 1.【戏剧】排练。 2.【体育】(合法)阻挡。 block in 1. 画略图;设计。 2. 堵塞。 block out 画略图;拟大纲,打草样。 block up 堵塞,隔断,封锁;停用。 Blocked! 〔揭示〕禁止通行! 此路不通!
Absolute minimal trellis complexities of extended codes and their dual codes of two types of linear block codes whose code length is odd are given 给出了两类奇数码长线性分组码的扩展码及其对偶码的绝对最小网格图复杂度。
Although the estimation algorithm is carried out by parity check code , but it is also applicable in general linear block codes to estimate the channel ’ s parameter 本文算法不仅可以利用偶校验码的码结构去估计信道参数,而且对于一般的线性分组码也适用。
The other is the modified hamming bound , also the geometry of the bound is introduced . the fourth chapter is about the linear block codes and their unequal error protection capability 第三章主要证明了两个关于非均匀保护的性能限,这两个性能限不仅对线性码有效,对非线性码同样有效。
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码(低密度校验码)是一类可以用非常稀疏的奇偶校验矩阵定义的线性分组纠错码,具有逼近香农限的性能。
Among the linear block codes , rs code is an important one widely used in modern digital communications , which can correct both random and bursty errors with the most powerful error - correcting capability Rs码是一种典型的纠错码,在线性分组码中,它具有最强的纠错能力,既能纠正随机错误,也能纠正突发错误。
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 )码是一类用非常稀疏的校验矩阵或二分图定义的线性分组纠错码,最初由gallager发现,故亦称gallager码。
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 低密度奇偶校验( ldpc )码是基于稀疏校验矩阵的线性分组码,它最初由gallager于1962年提出,当时并未受到人们的重视。
Some results on the undetected error probability of linear codes for pure error - detection are , at present , generalized for both error detection and correction . an analytic formula is obtained to calculate the undetected error probability of linear block codes for simultaneous error detection and correction 在只检错时,证明了纠正两个错误扩展bch码是最佳检错码; m大于4的非线性等重码( 2m , 2 , m )不是最佳码。