信元丟失 的英文怎麼說

Clr cell loss ratio

信元丟失比率

Cell loss ratio, clr

信元丟失率

Clp : cell loss priority

信元丟失優先權

At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor

目前，用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統，這就導致了操作的不方便和出現了故障用戶不知道，降低了監控系統的可靠性，為此，我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析，找出各個伺服控制信號的控制變化規律；然後從中選出合適的控制信號；針對目前錄像機在實際監控使用過程中存在的問題，選用合適的元器件；運用protel繪圖軟體，設計了這個多臺業務用錄像機的統一控制系統，她主要包括以下功能：錄像機操作功能（如power play ff rew stop rec eject及正尋反尋帶速設定等）的統一線控控制功能；磁帶在記錄過程中，磁帶到頭和磁帶自己「偷停」的報警，並要能顯示出具體是哪一臺錄像機；在記錄狀態下，攝像頭輸入信號丟失報警，並要能顯示出具體是哪一臺錄像機；在休息或其他不需要記錄時，一旦警戒區有情況，則控制所有機器自動進入錄像狀態的功能；從錄像機輸出的監控圖像信號對監視器的切換功能。

The total auto symbol recognition disposition method proposed in this paper can deal with the problem which converts papery of aircraft theory graphics or system graphics into vectorgraphs which can lose some useful information. furthermore, the display technique with multi - level buffer not only resolves the problem of high - speed for aircraft theory graphics or system graphics in cbt, but also ensures scrolling and zooming in / out smoothly and avoids the flashing phenomenon efficiently

目前紙質的飛機系統圖、原理圖矢量化方法用基本的矢量圖元按其位置來再現原始圖，從而導致矢量后圖中各符號整體信息丟失問題，該文提出的自動符號識別方法可有效地解決該問題，此外改進多級緩沖顯示技術不但可有效地解決cbt中系統圖、飛機原理圖的快速顯示，而且也保證圖形可連續光滑滾動和消除放縮拖動時屏幕閃爍現象。

The paper, in the way of math morphology, manages to classify the linear elements, the same type but different width in the scanning, and result in the two - valued linear image in the same level. in the fine division of the target image, a way of math morphology based on the double structure of cell stencil is put forward, which prevents the terminals and the acnodes from losing and also reduces effectively time in doing so. as the result of the framework of the fine division, vector method is formed in which its track is monitored by using dynamic change of pace about freeman ' s chain code

本文用數學形態學相關理論方法實現了對掃描圖像中具有同一線型但不同線寬的線狀要素進行分類，在同一層上得到同一線寬的二值線狀要素圖；在對此目標圖像進行細化時，提出了基於雙結構單元模板的數學形態學細化演算法，用該演算法對實際的線狀要素進行細化，避免了端點、孤立點等信息的丟失，且由於是并行處理，有效地提高細化速度；對于細化后的骨架線，提出了基於freeman鏈碼的動態改變步長保持精度跟蹤矢量化方法。

In this paper, we study the performance of input - buffered atm switching with window - access scheme and output - grouping architecture. the close - form formulae of maximum switch throughput, mean cell delay and cell loss probability are obtained by probability generating function approach. the accuracy of theoretical analysis is verified by computer simulations and results show that the maximum switching throughput will reach 99 % under random uniform traffic when the window size and the group size are 4 and 16 respectively

本文提出了具有組合的窗口接入和線群輸出結構的輸入緩沖atm交換網路並對其性能進行了研究.通過概率生成函數方法得到了計算該交換網路最大吞吐率，平均信元時延和信元丟失率的封閉表達式，並通過計算機模擬實驗驗證了理論分析的精確性.研究結果表明，在隨機均勻業務下，當窗口尺寸和輸出群尺寸分別為4和16時，最大吞吐率可達到99

If no measures are taken, the serious basic - line - shift as well as the loss of chip clock and the difficulty of the data recovery will be introduced in the optical receiver, which causes the communication to go along abnormally

如果不採取任何措施，會給光接收機帶來嚴重的基線漂移，同時會引起碼時鐘丟失和碼元恢復困難等一系列問題，導致通信無法正常進行。

The character alpha is replaced by the replacement character 0x1a ; that is information data has been lost during the export

字元alpha被替換為替換字元（ 0x1a ） ；在導出過程中信息（數據）就丟失了。

The other one is the synthetical local nonlinear pca neural network recognition model constructed by combining the nonlinear generalization of pca and sub - space pattern recognition technology. we use the two recognition systems in handwritten digitals and characters recognition and obtain some satisfactory results. compared with some traditional classifiers, our systems have better recognition performances

而基於非線性pca的神經網路識別模型對傳統的線性pca進行了推廣，並利用了子空間的模式識別方法，針對每個字元類使用神經網路建立多個模板，然後利用pca神經網路和聚類演算法構造自動編碼器組對模式類進行重構，避免了特徵提取的復雜性和信息的丟失，提高了系統的識別性能和運算效率。

But, the alarm signals from scada have disadvantages as follows : ( 1 ) the open - air feeder terminal units ( ftu ) are interfered by strong electromagnetic and thunder. besides, the failure of relays and the fault of ftu can also lead to that fault information is interfered and aberrant. ( 2 ) in the process of transmission and commutation, the error in the communication equipment may result in the signals err or lose

然而，現有的scada系統在配電網發生故障時提供給調度員的警報信息有如下局限性： （ 1 ）面向現場的戶外饋線終端ftu運行環境惡劣，承受強的電磁、雷電干擾，並且由於繼電器節點故障、 ftu元器件損壞等因素的存在，使得配電網信息受干擾、畸變的可能性較高； （ 2 ）在信號傳輸及變換過程中，通訊裝置的故障等原因，也可能導致信號出錯甚至丟失； （ 3 ）保護裝置和斷路器本身也有可能誤動或拒動。

Filtering out the noise will lead to sluggish response, with higher cell loss and lower link utilization

濾除這些噪聲將導致滯后反應，較高的信元丟失和較低的鏈路利用。

Actually, the pyx format would not lose any information by leaving off end - tag strings but one might lose the convenience of self - identifying end - tags that do not

實際上，通過不使用結束標記字元串， pyx格式也不會丟失任何信息（但是，這樣就丟失了自我標識結束標記無

Based on this technology of reconstruction, we analyzed the transmit characteristic of atm and packet switching network, then project of layer coding in sender and format of video stream is proposed respectively. at the receiver, the method of lost information reconstruction was proposed for the problem of packet or cell lost in transmission

以接收端丟失信息重建技術為基礎，本文對atm網與分組交換網的傳輸特性進行了分析，針對atm網中vbr業務與分組交換網分別設計了相應的信源端分層編碼方案以及視頻流組織方案，同時在接收端對于分組與信元的丟失問題，提出了相應的丟失信息重建方案。

A novel energy cell based wavelet - thresholding denoising method is presented based on the " rigrsure " threshold selection scheme. the energy cell is used not only on threshold selection but also on coefficients disposing after threshold selecting. the wavelet coefficients of real signals are strengthened in the process of wavelet denoising to distinguish them from those of noise more efficiently, and, as result, the significant loss of information in the signal content is reduced

第三章以「 rigrsure 」閾值選取規則為基礎，提出了一種基於能量元的小波閾值去噪處理方法，它不僅可以在去噪的過程中將信號增強，使得在有效地去除噪聲噪聲的同時，減少有用信息的丟失，而且還可以將保留下來的小波系數還原，避免失真。

The queueing problems of cbr traffic in atm networks are analyzed. simple closed expressions of the upper bound on the cell loss ratio ( clr ) and mean cell delay in a finite buffer system are derived

分析了atm網路cbk業務排隊性能，給出了一種簡單的計算cbr業務信元丟失率上界和信元平均時延的解析表達式。

Consequently a new cac scheme for cbr traffic, lv ~ ? { ~ l ~ : atm ~ iija ~ jlijf ~ linear approximation cac scheme based on the lowest rate replacing, is presented. instead of using the tail of the infinite queue length distribution as an estimate to clr, this cac scheme obtains clr by the upper bound on it, and qos can be well guaranteed in our scheme

在此基礎上，提出了一種新的cbr業務連接允許控制機制；基於最小速率替換的線性近似cac機制，該機制能夠提供服務質量保證，並且採用了有限容量緩沖區情況下cbr業務信元丟失率的上界，而不是將clr用無限容量緩沖區排隊系統的隊長尾部分佈來近似。

A cac scheme for vbr traffic based on the rate - modified model is presented. in this scheme, the source model is obtained from the source traffic descriptor ( pcr, scr, mbs ) declared by the users at connection setup time and the direct effect of the relative values of the burst length and the buffer space on the cell loss performance is taken into account, which make our scheme be consistent with the standards and improve the resource utilization

提出了一種基於速率改進模型的vbr業務連接允許控制機制，該機制所採用的業務模型依賴于用產在呼叫連接建立階段所提交的業務源流量描述符（ pcr ， scr ， mbs ） ， n博士學位論文： atm網路連接允許控制機制的研究並且直接體現了業務突發長度與緩沖區容量之間相對關系對信元丟失性能的影響，從而保持了與現有標準的兼容，並提高了資源利用率。

Finally, simulation shows the performance of the mean delay, the mean buffer, and frame utilization compared with the wrr algorithm

最後，論文將模擬結果與wrr調度演算法在平均時延、地面緩沖區大小、信元丟失率、 tdma幀利用率等方面進行了比較。

It is expected that an end - system that adapts its traffic in accordance with the feedback will experience a low cell loss ratio and obtain a fair share of the available bandwidth according to a network specific allocation policy

我們希望有一種與反饋相一致並適應傳輸業務的端系統能夠承受低信元丟失率，並且根據網路特殊的分配原則公平的分享可用帶寬。