時分數字網路 的英文怎麼說
中文拼音 [shífēnshǔzìwǎnglù]
時分數字網路
英文
tddn time-division digital network- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 網 : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 時分 : 時分time:黃昏時分 at dusk; at twiligh; cock-shut time
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
- 網路 : 1. [電學] network; electric network2. (網) meshwork; system; graph (指一維復形); mesh
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The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。On the basis of realizing the fire - control real - time simulation system in the antiaircraft artillery weapon system, this paper designs and constructs the distributed weapon system numerical simulation platform based on ethernet, which uses the simulation technique, network communication technique and virtual reality technique. the platform is used for researching and realizing the antiaircraft artillery training simulator. also, it can be integrated with the actual equipment to construct semi - physical simulation system to make the theoretical validating experiment
本文以實現高炮武器訓練系統中的火控系統的實時模擬為基礎,運用模擬技術、網路通信技術、虛擬現實技術,設計並構建了一個基於以太網的分散式自行高炮武器模擬訓練系統通用數字模擬平臺,既可用於模擬訓練系統的研究和實現,還可和實際裝備集成以組成半物理的模擬系統,進行實際系統的原理性驗證實驗。Abstract : based on a numbers piled up for varies resources ( labor, materials, mechines ) in neuron plan, a composed distribution for various resources was obtained. then, using time difference and quantities of materials, the best selected work and time started as astrictive conditions, the best optimum distribution which satisfied variou resources in difference optimodel and astrictive conditions was got
文摘:將多種資源(人工、材料、機械)的數量同時在神經網路計劃技術上實行數字化疊加,從而獲得多資源疊加的合成分佈,再利用神經網路計劃技術中各個工作的不同時差和資源數量,按收斂條件選擇最佳開工工作和開工時間,滿足多種資源在優化模式中按收斂條件進行最優分佈It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results
對于復雜的非線性導彈制導系統,很難求得其解析的最優制導律,只能求得開環的數字解,不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力,對開環的數字最優制導律進行離線的學習,作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響,以及各種制導律的魯棒性問題,並採用模塊化神經網路結構提高神經網路的學習和推廣能力,模擬結果得到一些有益的結論This thesis analyses the demand of the television station for an automatic broadcasting system. we made a systematic analysis by autoptical research and information which we have gotten by all kinds of ways. this systematic analysis is given to the working mechanism of the broadcasting system in the television station, and a new technique solution has been bring out to the automatic broadcasting system of tv station which use the new digital video technology. this thesis also analyses the designing process of the broadcasting part in video automatic broadcasting system. based on the serial port communication theory and network transmission theory, we designed a miniature system ground on mcu to realize long - distance broadcasting and controlling function. we designed a controlling software for this miniature system
本文分析了電視臺對于自動播出系統的需求,在課題研究中,通過在電視臺實地考察和通過各種途徑搜集資料,對電視臺的播控系統工作機制進行了系統的分析,對利用最新的數字視頻技術的電視臺自動化播出系統提出了新的技術解決方案。同時本文分析了整個視頻自動播出系統的播出部分的設計過程,並在串口通訊理論,網路傳輸理論的基礎上,設計了一套基於單片機的小型系統,實現了遠程播控的功能,並為該系統設計了計算機端的控制軟體。Abstract : the continually increase in digitized information resour ces such as disc publications and on - line databases, which put forward new task s for the collection construction of library, requires that the libraries of coll eges and universities shoud reestablish the new purchase criteria for the collec tion of library and incerase the devoted proportion of the digitized information resources. directed by the new purchase criteria, the libraries should optimize t heir local collection and take full advantage of the virtual collection in compu ter network and collect and manage more efficiently the importand collection re sources in network era, network addresses and digitized publications
文摘:光盤出版物、聯機數據庫等數字化信息資源的不斷增長,給圖書館的館藏建設提出了新的任務.這就要求高校圖書館必須重新制定館藏采購標準,適當加大數字化信息資源的投入比例,並在新的采購標準指導下,不斷優化本地館藏,充分利用計算機網路上的虛擬館藏,同時做好網路時代圖書館的重要館藏資源? ?網址及數字化出版物的收集與管理工作Adapted to the requirements of high technology, cooperative action in battle and real - time information sharing in digitalized war, it puts emphasis research upon the key techniques of distributed heterogeneous data interoperation for military planning under network environment. using mts / com + mid - ware components, it realizes the distributed heterogeneous databases sharing, heterogeneous data interoperation and its process control in military battle planning
為適應現代數字化戰爭技術含量高、多兵種協同作戰要求高以及作戰信息共享的實時性要求高的特點,本文基於com dcom中間件技術,重點研究網路環境下面向軍事作戰規劃的分散式異構數據互操作技術,實現了軍事作戰規劃的分散式異構數據共享及異構數據互操作的過程規劃與控制。Fully considering the system ' s reliabilty, being real - time, speed and extensibility, it finally chooses the sdh as the system network of cors through deep compration and alalysis of four special data lines supplied by china telecom, so that an effective interconnection among the stations and the workstations in the control - center comes true
摘要充分考慮系統可靠性、實時性、通信速率、可擴充性等因素,通過對中國電信提供的4種數據專線服務的綜合分析比較,選擇了同步數字體系作為系統通信網路,實現了控制中心各工作站和各基準站之間的高速互聯。In order to grasp the urban system processes and evolution pattern of hunan province comprehensively, this article has made further discussion on its structure characteristic : through regression analysis, graph analysis and statistics analysis of the time series data and cross sections data, by combining with the fractal theory, we induce the following conclusion : the hierarchical size structure presents the law of the primate city, the rank - size rule and pyramid structure characteristic, but it also has the insufficient development problem of the high hierarchical size city. by using the gravitation model, we found out that the economy relation intensity among those main cities is weak while the structure is loose. based on the urban layer system of economic development level and industrial structure evolution of the cities in hunan province, this article then induces the function combination among the five urban agglomerations in hunan province
為全面把握湖南城市體系的運演規律,本文對其結構特徵作了進一步的探討:通過時序數據和截面數據的回歸分析、圖表分析和統計分析,結合分形理論,得出了其等級規模結構分佈呈現出首位分佈、位序?規模分佈和金字塔結構特徵,以及存在著高層次城市發展不足的問題;運用場引力模型發現該省主要城市間的經濟聯系強度較弱、結構鬆散,在歸納出該省城市經濟發展水平的層次體系、產業結構演變的基礎上,導出了該省城市體系的五大城市群職能組合;結合空間結構體系、路網交通條件和經濟發展狀況,對該省城市空間分佈狀態進行了定性分析,研究表明該省總體上處于極化階段,各個具體區域,分佈階段不一,差異較大。This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored
二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論,特別對利用空間信息進行閾值選取進行了詳細論述;在對通過對基於數學形態學的細化的基礎上,討論序貫同倫形態細化演算法和保形的快速形態細化演算法;然後依據聯機字元識別原理框圖,分析了手寫數字的結構特點,提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術,對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究,對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振( art )網路的字元識別分別進行了詳細討論,並引入置信度分析將多個分類器進行了混合集成;最後簡單闡述了手寫數字識別的典型應用,對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division
本課題引入了數字時分割( pwm )脈寬調制技術,在測量的準確性、硬體電路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量電能,就是不計非線性負載回饋給電網的負的諧波電能,而採用基於數字時分割的基波交流參數測量的方法,真正實現了電能的合理計量。Meanwhile, we built models of data collection, soeciai point ' s altitude handling, grid point ' s altitude handling, designed a method which can rapidly collect and process terrain data by descripting the contour line with mouse, and designed corresponding software by c + + builder5. 0. therefore, military digital maps can be facilitly and quickly made and computer - aided terrain analysis can be realized, thus the system can effectively help the commanders or staffs make their decision
同時建立了數據採集、特殊點高程處理、網路交點高程處理等模型,設計了一種可通過鼠標器描繪等高線而實現地形數據的快速採集、處理和賦值的方法,運用c + + builder5 . 0設計了相應的軟體,能夠方便、快捷地生成數字化軍用地圖並進行計算機輔助分析地形,從而能夠有效地幫助指揮員或者參謀人員進行決策。This paper has adopted several scientifically studying analysing and reasoning methods to illustrate the features, back ground, purposes, restrcting and founding conditions, and the reforms of the electronicalized government. the challenges and responsibilities of the government in the network economy have also been emphasized. how to plan the network construction, and how to improve computer administration are all included in this paper, aiming at offering valuable proposals and suggestions for the government to meet the future demands and to show a completely new government image to the public
本篇論文採用唯物辯證法、實證分析法、邏輯推理法、理論聯系實際方法、調查研究法、數字分析法、對比分析法等研究方法,通過對電子化政府的含義、特徵、產生背景、意義及中國實施中的「政府網上工程」 ,電子化政府與政府改革,電子化政府的制約因素及建立條件以及面對網路化經濟政府所遇到的機遇和挑戰等作具體詳盡的分析論述,旨在提出網路時代政府的網上責任以及今後政府在規劃網路建設,實現政府網路化的主要對策,即如何推行電子政務,目的是為政府今後的建設和發展出謀劃策,使政府能適時調整自身的職能,盡快向新型管理服務職能轉變,以順應社會的呼喚,滿足公眾的需求。And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion
論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。The article illuminates mainly two segments color - separation model based on three dimensions, gives a model conception on a knowledge base of unification technology and analyse and design digital prepress system from the whole on the problem of systemic requirement analysis. second, the article brings forward new data compress method based on memory stream and sets up new data structure to realize undo and redo methods based on analyzing all kinds of datas referred to on systemic based construction. because printing and dyeing cad system deals with many arithmetics on graphics ans image and production technics, the article illuminates vector conception, expatiates gray graphic vectorization and brings forward to graphic component ' s conception to enhangce the systemic stability and manipulating speed and improve graphic transmission
在印染cad系統的需求分析問題中,結合目前印染行業的發展和實際cad系統的整體構架,著重闡述了基於三維空間的二段法分色模型,提出了一體化工藝知識庫這個模型的概念,對數字印前系統做了整體的分析、設計在系統的底層架構問題上,著重分析了cad系統涉及到的各類數據,提出一種新型的基於內存流的數據壓縮方法,同時設計了自己的數據結構,用以實現系統的undo 、 redo操作,由於整個系統涉及眾多的圖形圖像演算法和實際工藝,為了提高系統的穩定性和操作速度,以及增強圖像的網路傳輸功能,在部分演算法中採用了矢量的概念,著重講解了灰度圖像矢量化,並且提出了圖像組件這一嶄新的概念。People can get almost information through the internet. this gives rise to serious problems including wide spread copyright violation, illegal copying, easy forging etc. these problems are rooted from the intrinsic features of the digitally formatted information : ( 1 ) making copies is easy and inexpensive ; ( 2 ) each copy is exactly identical to the original ; and ( 3 ) distribution of the copies ( e. g. via network or floppy ) is easy and fast
多媒體數據的數字化為多媒體信息的存取提供了極大的方便,同時也極大地提高了信息表達的效率和準確性,如數字信號很容易進行編輯,可以方便、便宜、無失真地被復制,數字聲音、文本、圖像和視頻易於通過電子的(網路)或物理的( cd - rom )系統低價高效地迅速傳輸和分配等。Simulation of digital circuits is based on computing of logic and delay for component in circuit netlist, so for obtaining correct simulation result, i must have logic computing correctly and delay analysis accuracily
由於數字電路的模擬是基於對電路網表中的元件進行邏輯和延時計算的,所以要想得到正確的模擬結果,必須進行正確的邏輯運算和準確的延時分析。The paper includes five parts, begins with the concepts of internet, internet education and internet college, in this way make the research position clear ; then present a brief study of the internet college ' s rising and history, divides its development phases by the term of technology and culture, briefly introduce its current situation, such as its scope, organizer, education type, system and fee - charging, etc ; then according to internet college operation process, take four factors to present a detailed analysis, they are : education needs, education service, organization administration and quality guarantee ; thereafter is a prospect of internet college ' s future development ; the technical innovation of internet college, its culture development and the structure of a learning net in a digital time ; finally after a brief summary of the whole paper comes a presentation of the problems the internet college facing in its operation
文章共五個部分,首先由對網路、網路教育、網路大學的理解開始,明確論文的研究立場;接下來對網路大學的興起作簡單考察,從技術與文化的角度粗略劃分其發展階段,並簡要描述當前狀況,如規模、舉辦者、實施教育的類型、學制與收費等;然後再根據網路大學運行的過程,選擇其中從教育需求、教育服務、組織管理到質量保障四個要素加以分述;之後從網路大學技術的革新、網路大學文化的滋長與數字時代學習網路的構建三個方面對網路大學的發展略作展望;最後對前文作簡單結論的基礎上就網路大學的特性、教學及運行等方面問題進行一些討論。Through this local system, manager can access to the higher level of governmental network system about safety production information. this local system also makes it possible to simultaneously transmit video / audio signals and collect data information through the same hardware device. in addition to its other functions, this system contains a management center that creatively introduced some advanced function model such as the call center, rescue plan for the emergency accidents
本文充分結合安全生產領域的特定要求,對分散式數字監控系統在安全生產管理中的應用進行了深入研究,首次提出把政府安全生產監督管理功能與企業安全生產監控系統相集成,構建了市(縣)級安全生產管理系統,形成覆蓋全市(縣)的安全生產監控管理數字網路系統;並可進入更上層的政府安全生產信息網路系統;同時實現了通過同一硬體裝置同時傳輸視頻音頻及實時採集的數據信息:在管理中心還創造性地引入了呼叫舉報中心、應急救援決策中心,使該系統能夠切實為安全生產管理部門服務。In this thesis, we would present theory research and its implementation about mpeg - 2 ts stream “ health ” check analyzer. a brief narration about the background of our research and its mean would be put in the beginning. and then we would analyze structure of ts stream and its definition in iso / iec 13818 - 1, data structure of system layer and mechanism of decode would be stressed in this section, later, we would introduce principles and methods of mal - function check in mpeg - 2 ts network, parameters being presented by etsi tr 101 290 would be emphasized in this part
本文將對mpeg - 2ts碼流「健康」檢測儀的理論研究和數字電路設計作出如下介紹:本課題研究的時代背景及研究現狀和意義; mpeg - 2ts碼流的數據結構,在iso / iec13818 - 1中的定義和描述,其系統層的數據結構及解碼機理; mpeg - 2ts碼流在網路中故障檢測的原理和方法, etsitr101290規定檢測參數分類; mpeg - 2ts碼流「健康」檢測儀實現的總體方案,基於fpga的數字邏輯電路實現方案總體模塊劃分,模塊劃分的依據,模塊實現功能;總體方案的具體實現,幾個重要參數如pcr間隔及精度檢測,快速crc檢測等的實現;設計實現的驗證方法,典型參數檢測實現的驗證模型及驗證結果。分享友人