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- Just Another Piece Of Paper
- Pencils In The Wind
- Paper Girl
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This paper precisely conducts the special topic research in view of some important technologies of the digitized control module.(1) AC motor control circuit of PAN/TILT is designed ,which speed is controlled by AT89C51 MCU. DC motor control circuit of LENS is designed too.(2) The hardware and software of automatic temperature control is designed, which used in camera protect box without A/D IC. A kind of single wire communication IC is used in the circuit. So, the program is given.(3) A method of video switch without picture shock is discussed in this paper, and 16x8 video switch circuit is designed. AT89C51 can carry out time sequence logical control with the sync signals by request..(4) The module of real-time clock is designed, in which, LCM is used, a kind of three-wire communication IC is used too.
1给出了一种由89C51单片机控制的简单易行的交流云台转动变速控制电路,实现了云台及其电动三可变镜头的控制;(2)给出了无需外加A/D、单线通信的防护罩自动温度控制电路,完成了单片机温度控制软件的设计;(3)提出了"无抖动"视频切换的设计思想,给出了16×8的视频切换电路,利用单片机在视频信号的场消隐期控制切换,从而实现了"无抖动"切换;(4)给出了一种三线接口通信的液晶显示实时时钟电路,完成了程序设计;(5)提出了在视频监控系统数字控制模块中,用CAN总线取代传统的RS-485总线,实现PELCO-P协议传输的方案。
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Structure is willing to work rationale : the paper to paper on stage by infrared absorption into the lamp drying wind hield, After Road from the conveyor belt and crushed round brush and brush so that the paper dust from the suction fan sucked out; B-type structures of the A-type unction on the basis of additional wetting a paper on the roll so that the small amount of residue below dust by wetting roll away, except on the following powder to the best results.
型结构工作愿理:纸张在给纸台上通过红外灯管烘干送入吸风罩内,由输送带经过道轮刷辗和排刷使纸张上的粉尘由吸风机吸走;B 型结构是在 A 型功能的基础上增设一道润湿辊使纸张上下面残留的少量粉尘由润湿辊带走,使上下面除粉达最佳效果。
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Due to the complexity of the cell jitter, the NonSynchronous Tining Recovery methods are currently not mature With the emphasis being given to the Class A CBR traffic, this paper analyzes the performance of the queueing delay and cell jitter at the source node and intermediate nodes, and discusses the Source Timing Recovery at the destination node in ATM networks Firstly, this paper presents a description of the cell jitter of CBR traffic, and gives the definitions of two kinds of cell jitter regarding the Source Timing Recovery for CBR traffic Then, by using exact mathematical models and analysis methods, this paper analyzes the impact of the factors, such as the capacity of the queueing buffer, the randomness, the deterministic nature and the correlation in cell arrivals of the background traffic sources, on the queueing delay and cell jitter performance of the CBR traffic through Statistical Multiplexitng To obtain an insight into the power spectral distribution and look for better schemes for the depression and filtering of the cell jitter, within the analyses we succeed deriving the power spectrum of the cell jitter for CBR traffic Hence, not only the power spectral distribution of the cell jitter can in the frequency domain be qualitatively understood, but also can the rms (root-meansquare) value of the cell jitter be quantitatively obtained so as to more accurately measure the amplitude of the jitter In the end-to-end performance analysis of the queueing delay and cell jitter, we propose a kind of quasi-periodic cell stream model to characterize the jittered CBR traffic, and present an initial queueing analysis of the CBR traffic following such a model at a generic intermediate node Additionally, we briefly discuss the buildout/playout and Source Timing Recovery functions of the destination node Finally, regarding the Source Timing Recovery of CBR traffic, this paper systematically discusses several important principles of the cell jitter filtering and depression reported in the literature, introduces several implementation schemes of the Source Timing Recovery e.
由于信元抖动的复杂性,非同步定时恢复方法目前还很不成熟。本文针对A类CBR业务流在ATM网络源节点和中间节点的排队时延和信元抖动性能,以及在目的节点的源定时恢复问题作了较为全面的研究。首先,文中描述了CBR业务流的信元抖动,并具体地给出了两种与CBR业务源定时恢复有关的信元抖动的定义。然后,采用了精确的数学模型和分析方法,有针对性地分析了业务背景中信元到达的纯随机性、确定性和相关性以及排队缓存器容量等因素对CBR业务流经过统计复用后的排队时延和信元抖动性能的影响。为了了解信元抖动的功率频谱分布和寻求更好的抑制和滤除抖动的方法,在性能分析中,我们成功地完成了CBR业务流信元抖动的功率谱分析,使得不但可以从频域定性地认识信元抖动的能量分布特性,而且还可以定量地求出信元抖动的均方根值(rms:root-mean-square),以更为准确地衡量抖动的大小。在CBR业务流的多节点端-端排队时延和信元抖动性能分析中,我们提出了一种准周期性(quasi-periodic)信元流模型来描述感染了信元抖动的CBR业务流,并基于这一模型进行了CBR业务流中间节点的初步排队分析。
- 更多网络解释与a paper of相关的网络解释 [注:此内容来源于网络,仅供参考]
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a party of madman:一伙疯子
a paper of hairpins 一板发夹 | a party of madman 一伙疯子 | a period of time 一段时间
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a sheet of paper:一张纸(标准)a piece of paper 一张纸(不标准)
17. an item of news 一则新闻 | 18. a sheet of paper 一张纸(标准)a piece of paper 一张纸(不标准) | 20. a loaf of bread 一条面包
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a paper of hairpins:一板发夹
a pair of trousers 一条裤子 | a paper of hairpins 一板发夹 | a party of madman 一伙疯子