數據自由路線 的英文怎麼說
中文拼音 [shǔjùzìyóulùxiàn]
數據自由路線
英文
dfw data free way- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 由 : causereason
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 數據 : data; record; information
- 自由 : freedomliberty
- 路線 : 1. (從一地到另一地所經過的道路) route; itinerary; way; tail; line 2. (思想上、政治上或工作上所遵循的根本途徑) line
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In the meanwhile, we build a complete simulation model of layered wireless self - organizing routing network and verify feasibility of network architecture and key technologies, including operating mode of wireless interface, addressing and routing in lwsrn we study the performance of wsrn in terms of routing overhead, packet delivery ratio, and the communication capability, and compare these result with that of ad hoc network
同時,構造了完整的分層結構的無線自組織路由網路模擬模型。驗證了網路體系結構和關鍵技術的可行性,包括無線通道工作方式、網路編址技術、網路路由過程。並通過模擬分析了分層結構的無線自組織路由網路的路由負載、網路數據到達率和網路通信容量。This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller
本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。However applied modeling of the mineral processing plant is a complicate and very difficult work, because the relativity of production data, complexity of the non - linear modeling and the absence of technical parameter quantum data of mineral processing plant, which should be used as independent variable of network and so on
然而,由於生產數據的相關性、非線性建模本身的復雜性和應該作為網路自變量的選廠工藝參數量化數據的缺乏等,建立實用的選廠數學模型,是一項復雜和難度較大的工作。According to train marshalling and time when train stops, it computes seats allotment of hard seat, soft seat, hard berth and soft berth of all stations where the train stops. and then, we can adjust the results with production system to match our requirement
根據列車編組、停站時刻等數據,自動計算並完成線路方向上旅客列車在經由停車站軟(硬)臥(座)的票額分配,可利用產生式系統對票額分配的結果進行合理化調整。It offers the idea according to problem faced, considering the good character of the ends, the ajusted cubic b - spline curve is used to fit ship lines. it finds out the control vertexs according to a sequence of given points, and then, through particular formula, each point in the curve could be worked out. it smoothes lines with the method based on small - paramter
針對面臨的問題,提出了自己的思路,在數學計算方法上,由於三次準均勻b樣條曲線良好的端部性質,這里用它來擬合船舶型線,首先根據所給的初步型值求出其控制頂點,然後根據相關公式進行插值便能得到曲線上的所有插值點。The network initially comprised of three seismograph stations located at yuen ng fan, cheung chau and tsim bei tsui. seismic data was transmitted in real - time to the hong kong observatory headquarters via dedicated data lines for analysis and archival by a microcomputer data processing system designed and constructed in - house. this was one of the earliest applications of microcomputer for automatic acquisition and processing of telemetric data in hong kong
站網初時有三個站,位於元五墳、長洲和尖鼻咀,地震數據實時通過電訊線路送到天文臺總部,由天文臺自行開發的微型電腦數據處理系統接收、分析和儲存,這是香港最早期應用微型電腦自動收集及處理遙測數據的系統之一。In this paper an artificial neural network ( ann ) approach, which is based on flexible nonlinear models for a very broad class of transfer functions, is applied for multi - spectral data analysis and modeling of airborne laser fiuorosensor in order to differentiate between classes of oil on water surface
由於ann方法適合於處理非線性系統,具有自組織、自學習、自適應和聯想能力,故通過對樣本反復訓練,能辨別各類樣本特徵差異,本論文的核心工作就是將人工神經網路( ann )的方法應用於激光遙感光譜數據的智能分析。Two notable characteristics of tcn are as follows : ( 1 ) polling mac strategy is adopted in link layer by iec 61375 - 1 to ensure the certainty of data transmission time ; ( 2 ) train inauguration procedure is devised to realize the automatic allocation of rail vehicle address in the network. the paper consists of two nain parts : 1. a sinulating system of wire twisted bus ( wtb ) inauguration
Tcn的西大特點是: ( 1 )為了保證數據傳送時間的確定性, iec61375 - 1標準在鏈路層採用輪詢機制; ( 2 )由於列車編組經常變化,導致列車總線網路設備地址變化,為此iec61375 - 1設計了列車初運行過程,以實現列車組成變化后車輛地址的自動分配。Nonlinear directional coupler ( nldc ) is a switch used in optical network. w. s. man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network ; and mary j. potasek had studied the self - coupling with ultrashort solitons in nldc, self - coupling is difficult to control the signal transmitting. i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not
非線性定向耦合器( nldc )是用在光網路中的光開關器件,它主要用在全光網路中, w . s . man等研究過基態孤子在nldc中的傳輸控制,便於對全光網路中數據的正確傳輸,由於目前研究集中在100fs的超短脈沖傳輸特性上,顯然基態孤子的特點不再適用於超高速網路; maryj . potasek等就超短脈沖在nldc中的自耦合做了研究,在光網路中自耦合任意性太大,不利於控制脈沖的傳輸。On data transmission it use the streaming media technology and it make fluent playing in the net. on synchronize playing of multimedia it use smil language and it make the exact synchronization and automatic change media files in line with users " band. on the integration with the distributed resource web it use web service technology and make it can make seamless integration. it is more straight because of the incorpation of time thread and page
《 k12非編多媒體課程製作系統》在數據交換上採用了「國際語言」 xml ,這使該製作系統能更好地與其它系統交換數據;在數據傳輸上採用了流媒體技術,這使製作的多媒體課程在網路上的播放更加流暢;在多種媒體的同步播放上採用了smil語言,這使多種媒體在網路上播放時能準確同步,並能自動根據用戶帶寬選擇媒體文件;在與分散式資源庫的整合上採用了webservice技術,這使該製作系統很方便地實現了與分散式資源庫的整合;由於採用時間線與頁相結合的方式,亦使系統製作更加直觀。Considering the limited energy and transmission range of sensor nodes in sensor networks, an innovative routing algorithm named self - adaptive flooding based on delay is proposed. in this algorithm, sources deliver route request packets ( rreq ) and sink answers route reply packets ( rrep ) to build routes. in order not to miss optimum routes with the best metrics, the algorithm is to wait a specific amount of time to ensure that almost the rreq near the best metrics is received
為此本文在無線傳感器網路中研究了基於自適應的路由演算法,主要工作如下:針對傳感器節點能量及傳輸范圍有限等特點,提出了一種基於延遲的自適應洪泛路由演算法,首先通過源節點在網內用較小的路由請求報文和路由回復報文來建立路由,路由建立的過程中自適應地確定等待時間以使更優的路由請求報文得到轉發,然後源節點再沿著建立好的路徑轉發較大的數據報文。In order to get data, the plane use the way of comparative between the black line and white line. the device is composed of the pulse producer, system controller, signal processor, logic analyzer, interface circuit and electrical machinery driver. this device could follow the tracks of the plane graphic border automatically
跟蹤裝置運用黑白交界圖線比較法取得數據,由步進脈沖發生器,系統控制器,信號處理器,邏輯判別器,介面電路,電機驅動器等組成,可對平面圖形邊界進行自動跟蹤控制。In the view of technology solution, company management strategy, and government policies, comprehensive research is done on broadband ip network based on chinese cable tv network. it recognizes the severe competition in high - end router market in china which is currently dominated by foreign companies, and sets out the initiative goals and principles to guide the development of native router suppliers. moreover, based on the survey and statistics analysis, it provides a thorough understanding about the current b2c and b2b e - business situation in china, and further addresses the development strategies of b2c and b2b development in china
本論文首先對電子商務系統進行了總體論述並確立了研究的總體框架;然後在實證研究的基礎上,從技術、企業管理和國家運營政策等角度對利用我國有線電視網路富裕光纖資源架構和運營ip寬帶網進行了系統研究;其次,針對我國高速增長的高端路由器市場基本為國外公司所壟斷的嚴峻現實,以實證研究為基礎,提出了我國自主生產高端路由器的策略與建議;然後,通過問卷調查和數據分析,把握了我國b2c電子商務發展現狀,並在此基礎上提出了我國b2c電子商務發展策略與建議;最後,通過問卷調查和數據分析,把握了我國企業發展b2b電子商務的現狀,探討了我國企業b2b電子商務發展策略。The main idea in this paper is to design greenhouse computer distributed auto - control system. the system is a kind of principal and subordinate structure made up of one pc and several microcontrollers, principal can bus communication network and crc validated algorithms to ensure data transmitted correctly. the local operation in greenhouse can be obtained by monitoring environment parameters and warning information can be read into pc
本文的主要設計思想是構建溫室計算機分散式自動控制系統,由一臺pc機與多個微電腦控制裝置組成主從式分佈結構,採用總線式can通信網路和crc校驗的通信演算法進行數據傳輸,通過讀取實時和歷史存儲的環境參數值和報警信息來監測溫室的運行情況。Related elucidation : in the above data, from the entry - level pure water to pure water, it measures to 75 % for. namely each 1. 25 rise the entry - level pure water can produce pure water 1 rise, the running water system is pure aqueous of parameter is also such, from above the data can see, in make take the circuit plank the production have to of the purely aqueous process, adoption collections waste water of way, make the waste water get and return and use in water, reduce waste water and exhaust in the meantime, in this process, not only a great deal of decrease the waste water exhaust quantity, and list make water cost but talk, use waste water each time produce on signing square and pure water, can decline low cost 0. 34 dollars at least, more important can lower waste water and exhaust quantity consumedly
相關說明:以上數據中,從初級純水到純水,其為出量為75 % .即每1 . 25升初級純水可以產純水1升,自來水制純水的參數也是如此,由以上數據可以看出,在制取線路板生產所必須的純水的過程中,採用收集廢水的方式,使廢水得到中水回用,同時減少廢水排放,在此過程中,不但大量減少了廢水排放量,並且單就制水成本而言,用廢水每生產一立方純水,可至少降低成本0 . 34元,更重要的是可以大大降低廢水的排放量As neural network has the ability of self - learning, that utilizes prior output data of uncertain system to estimate iteratively the static state property of system in order to achieve ideal approaching precision for identification of the positive model, a robust iterative learning control scheme on the basis of better positive model is designed. the neural network is used to identify the positive model of nonlinear system on iterative axis, which can give feed - forward action of iterative learning controller to reduce the effects of nonlinear properties and model uncertainties. meanwhile, feedback action of iterative learning controller make joint movement follow the desired trajectory on time axis by using controlled parameters derived by the neural network
由於神經網路具有自學習能力,它可利用不確定性系統的歷史輸出數據對系統的穩態特性進行估計,使得對系統正向模型的辨識達到理想的逼近精度,然後在此正向模型的基礎上進行學習控制律的設計:即採用神經網路辨識非線性系統的正向模型,並消除系統不確定性和外部干擾的影響,使關節運動沿迭代軸方向逼近期望軌跡;迭代學習控制器在線學習控制參量,使關節運動沿時間軸方向跟蹤期望軌跡。So most software can be test on the pc and can be transplanted to gateway after all is ok. the platform is designed from top to bottom, at first, the functionalities and interface of the three module should be specified clearly, and then go into the details of it, came back to modify the interface made before. the tree modules are connected through pci bus. adsl module implements the adsl modern as the atu - r ; the network interface consists of two part, wileless lan ( it is optional ) and lan, can connect with two different lan. the main control module controls the action of the others which is made of sdram, microcontroller, flashrom and serial port
為了設計方便,整個硬體平臺按照自頂向下的設計方式,首先按照功能分為三部分: adsl模塊,網路介面模塊,主控模塊,這些模塊之間採用流行的pci總線相連接,規定模塊之間的介面關系,然後進行細化,反饋回來完善原先定義的介面關系。其中, adsl模塊可作為單獨的adsl數據機使用,起到atu - r的功能:網路模塊由兩部分組成,無線lan和lan介面(其中前者為可選項) ,可以連接wirelesslan和lan 。主控模塊起到協調的作用,包括sdram 、微控制器、 flashrom 、串口等。The thesis is composed of 9 parts : the background, significance, main topics and innovations in the thesis are introduced in chapter 1 ; in chapter 2, the main function and performance of interface circuits are described from the view of system by using the example of gigabit ethernet ' s transceiver ; the transmission media ' s frequency characteristics and model are analyzed for the high - speed data transmission system in chapter 3 ; the line driver is presented in chapter 4 ; the equalization principles for high - speed data transmission system are introduced in chapter 5 ; a novel adaptive equalizer for 1000base - cx transceiver is presented in chapter 6 ; in chapter 7, a fixed equalizer for 2. 5gbps transceiver is described ; in chapter 8, layout design and measured results are discussed ; at last, the conclusions are drawn in chapter 9. during period of finishing the thesis, i read lots of literatures about the interface circuits in high - speed data transmission system, studied their principles and design techniques, and designed : 1 、 the line driver for 2. 5gbps baseband copper cable transceiver ; 2 、 the fixed equalizer for 2. 5gbps baseband copper cable transceiver ; 3 、 the fixed equalizer for 1. 5gbps sata ( serial at attachment ) transceiver ; 4 、 an adaptive equalizer for 1000base - cx transceiver
論文由9部分組成:在第一章引言中介紹了論文的背景、意義、國內外研究現狀,以及論文的主要內容和創新;第二章以千兆位以太網為例,從系統的角度介紹了高速數據傳輸系統介面電路的主要功能和性能指標;第三章分析了高速數據傳輸系統的傳輸介質的頻率特性和模型;第四章描述了線驅動器的設計原理及其電路實現;第五章描述了高速數據傳輸系統的均衡原理;第六章描述了適用於1 . 25gbps基帶銅纜收發器系統的自適應均衡器的設計原理和電路實現;第七章描述了適用於2 . 5gbps基帶銅纜收發器系統和1 . 5gbps串列硬盤介面( sata )收發器系統的固定均衡器的設計原理及其電路實現;在第八章中分析了電路的版圖設計及晶元測試結果;最後,第九章總結了全文。在完成論文期間,查閱了大量的有關高速數據傳輸系統介面電路方面的文獻,較系統地學習了線驅動器、傳輸線和均衡器等方面的理論知識和電路設計原理,設計了用於: ( 1 ) 2 . 5gbps基帶銅纜收發器系統的線驅動器; ( 2 ) 2 . 5gbps基帶銅纜收發器系統的固定均衡器; ( 3 ) 1 . 5gbpssata系統的固定均衡器; ( 4 ) 1 . 25gbps基帶銅纜收發器系統的自適應均衡器。分享友人