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!
All of these improvements have been implemented . dct - based block image coding has always suffered due to block artifacts in the compressed image caused by individually processing blocks 可视电话中的视频序列一般场景变更较少,背景大多数时是静止的,目标的运动量不太大。
The so - called automatic recognition of modulation ( amr ) schemes automatically classifies the modulation types from the samples of received signal by abstracting the related features such as amplitude , frequency , and phase , followed by employing proper recognition algorithms based on the fast digital signal processing techniques and advanced computing technology . the result of amr can be used in the following processing blocks such as demodulation , supervision processing and anti - interference processing and so on 所谓调制类型自动识别( amr )是根据接收信号样本提取出振幅、频率和相位的特征参数,然后借助信号处理技术和计算机快速处理能力,采用合理算法进行处理,从而实现对未知已调波调制类型的自动识别,为后继的解调、监控、抗干扰等处理奠定基础。
But digital videos compressed under dvcam format have obvious geometric distortion , compared with analog videos . in order to research this geometric distortion , we analyzed the influence of dct compression on image geometric information by matlab and visual c + + to , and found that more than one pixel distortion can be made under 4 : 1 compression ratio and 4x4 processing block 为进一步研究这种畸变产生的原因,利用matlab的数字图像处理工具包和visualc + +开发的差影法程序对dct压缩给图像像元位置信息带来的影响进行了实验和分析,发现在压缩比为4的情况下,有明显的1个像元以上的几何畸变。
The lna is one of the most important and broad components in microwave communication system receiver , and is used to amplify the low level signal . as the first signal processing block after the antenna , the lna determines the noise figure and input voltage swr and greatly impacts the dynamic range 低噪声放大器( lna )广泛应用于微波接收系统中,是重要器件之一,主要用来放大低电平信号,由于是自天线下来第一个进行信号处理的器件, lna决定了整个系统的噪声性能和电压驻波比vswr ,并对动态范围有着较大的影响。
As a mix - mode chip , the application - specific controller including analog signal and digital signal processing block can be applied to receiving , amplifying , processing , controlling signals of pir , and offer a wide application in some fields . in analog circuits , by sub - threshold mosfet , a self - bias current source is presented , which has a high power supply restrain ratio and a complementary to absolute temperature characters 这款芯片是一款数模混合芯片,包括模拟信号处理(含模数接口模块)和数字信号处理两大模块,完整实现对红外信号的接收、放大、处理、控制,产生有效数字电平驱动继电器、可控硅等负载,应用于自动灯等多种场合。
The diversity of ceramics , crystals , plastics and composite materials that we can create or transform may seem vast , but there are strong common threads that shape our core competencies : common processing blocks in shaping technologies , products with resistance to extreme thermal , mechanical and chemical environments and multi - functionality 我们制造加工的陶瓷、晶体、塑料和复合材料看似千变万化,实际上我们的核心能力是一致统一的:共同的成型加工工艺、生产的都是耐高温、耐机械磨损、耐化学腐蚀的多功能产品。