空分交換系統 的英文怎麼說
中文拼音 [kōngfēnjiāohuànxìtǒng]
空分交換系統
英文
space switched system- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 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
- 交 : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 空分 : sd space division
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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In the thesis. reading the iges file - 3 - and all the geometry entities and annotation entities are extracted ; on the base of geometry entities extracted, geometry entities are classified based to their three views. a new data structure is proposed to describle 3d form features ; inspection items of the workpiece are recognized ; the cmm - based inspection planning system is built ; on the other hand, as a part of cims, cmm need exchanging data with the software of cad / cam, so iges export interface is developed based on iges standard. in order to show the whole information of the surface, the 3 - dimensional free - form surface is drawing using the opengl
通過讀取iges文件對實體進行分離、提取、識別出對工件進行描述的原始信息;在此基礎上,西安理工大學碩士學位論文提出一種優化演算法對三視圖自動進行分離,建立了一種對工件進行三維描述的數學模型,照此模型對工件進行立體重構;識別出工件的各種檢測信息,提出一種對公差信息進行描述的數學模型,井與三維立體相結合,生成有檢測意義的三維實體;根據三坐標機的測量系統,生成相應的檢測規劃;另一方面,作為cmis的一部分,應具有與cad cam軟體之間的數據交換功能,本文還開發了iges輸出介面,採用opengl繪制三維空間曲面,向用戶展示其全面信息。Secondly, he establishes a rule table of vehicles " behaviors based on analyzing them. the table can simplify the model of vehicle ' s following and lane changing so that it will shorten the time of simulation. and thirdly, by using the cache technology of level - two time cell, the author solves the conflict, which arises from the limited memory and the masses of cache that is needed to get the better precision in simulation
本文在系統設計中,用匝道控制和主線控制相結合的方法,進行高速公路全線交通的綜合控制,優化控制效果;根據車輛行為分析,建立了車輛行為規則表,將車輛跟馳模型和換道模型簡化為車輛行為表,減少了模擬時間;採用二級時間片的緩沖技術,解決了模擬過程為達到較高模擬精度所需的大量緩存與有限內存空間的矛盾。The pulse - width modulated ( pwm ) is the key technologyto acquire the high power factor. the document presents the principle of three - phase pwm, then analyzes and compares the several maturely control methods for pwm
本文將交流電機理論中空間坐標系旋轉變換理論引入到pwm整流器的分析中來,建立了三相pwm整流器的統一的數學模型。By using it, the section mapping drawings of multi - types & complex pipeline system can be automatically generated through the entity crossing operation. this method composes of the following three key steps. in the first, different graphic entities are identified from the complex pipelines drawing in terms of the layer information they owned, then the correspondent information is to be encapsulated to keep the spatial data completeness of the graphic symbols
該方法通過管線系統設計圖中的圖形實體的分層處理與信息封裝,首先實現了復雜管線實體的自動識別並確保了圖形實體具有對應管線實體對象的完備空間信息;在此基礎上,根據用戶給出的任意位置截切線,構造隱式描述的截切面並與隱式描述的管線實體進行求交運算;最後通過對求交結果的坐標變換,生成能夠直觀反映出多類型復雜管線系統空間分佈信息的截切面映射圖。Emission is inducted evenly into the reactor, and effectively interact with recovery solvent sprayed down from top in the filler layer, then passes through the gas and liquid separation system to eliminate moisture for releasing clean air
廢氣由塔槽底部均勻進入洗滌塔,並在填充層與由上端噴流而下的洗滌液作有效的交換洗滌,再經由氣液分離系統去除水氣,清潔的空氣由出口排出。Cellular organelles of eukaryotes have a distinctive spatial distribution and communicate through an elaborate system of vesicular - tubular transport
真核細胞中細胞器在空間上分佈不同,各細胞器之間通過復雜的囊泡運輸和微管系統進行物質交換和信息傳遞。Thirdly, according to the integrated design of asmes, we confirm the critical technologies of the system. they include three - tier architecture, middleware and the correlative technologies of database, such as the technology of nested table and the programming implementation of data exchange between the database and another one. then, we illustrate and analyze these technologies
第三部分,根據系統總體設計,確定面臨的關鍵技術,主要包括三層結構、空域管理與評估系統的設計和實現中間件技術和數據庫的相關技術,如異種數據庫的數據交換的編程實現和嵌套表技術,並對各項關鍵技術進行概述和分析。First of all, the development of the digital trunked communication system is summarized, and the technical characteristics of several prevail worldly digital trunked communication systems are compared. in view of the domestic situation, the tetra digital trunked radio communication system is chosen as the studying and developing model. with the study of control technology of softswitch, the protocol of the v + d air interface and the multiple use of channel is analyzed, the base station control unit of the digital trunked communication system is discussed, the calling control flow is designed
本文首先綜述了數字集群移動通信系統的發展狀況,針對目前國際上流行的數字集群體制的技術特點進行了比較和分析,並根據我國的具體國情選擇了tetra數字集群系統作為研究和開發的重點,結合對軟交換控制技術的研究和分析,對集群系統重要的v + d空中介面協議及其通道復用進行了較為深入的剖析,對數字集群實驗系統的基站控制部分進行了論述,對呼叫控制流程進行了設計。The result of the research of most switcl1 system including time divided switch systeln and space divided switch system, and its buffer strategy indicate that tilne divided switch system can not meet with the data transfer speed in fabric when design large scale high speed switch system because of the process of semiconductor
本論文定性分析了目前的分析交換系統,主要是時分交換系統和空分交換系統,以及空分交換結構對應緩存策略。由於目前光通訊技術的發展速度超過半導體工藝的進展速度,時分交換技術的分析結果表明它已經無法滿足高速大規模交換系統的要求。Based on theoretical analysis of switch routing network, we study the relationship between mpls and end - to - end service quality. we propose routing algorithms based on traffic properties measured in time, spatial and service class. we evaluate these algorithms by theoretical analysis and simulation, discover their strength and weakness and compare them with existing algorithms
在深入分析交換路由系統服務特性的基礎上,依據網路負載在時間、空間和服務等級等三個度量坐標上的統計特性,本文提出了幾種高效路由演算法,並進一步使用理論分析和實驗模擬方法對這些演算法進行了深入研究。In this paper, the pce principle, method and technical achievement of traffic engineering in domestic and overseas from 1940 to 1993 are analyzed, compared and evaluated. moreover, the use condition and limitation of the studying achievement are elaborated. based on it, in view of the complexity of the vehicle kinds and mixed traffic in domestic highway traffic, the physics method on influence space of vehicle is put forward according to the achievement of studying the road capacity and the mass traffic observation data of 177 section of highway
本文首先對1940到1993年以來,國內外在交通工程研究中涉及到的車輛當量換算系數計算的原理、方法和技術成果進行了分析、比較和評價,闡述了這些研究結果的使用條件和局限性。在此基礎上,鑒於我國公路交通中車種多,車型復雜以及混合交通等的特點,通過對我們以前研究通行能力積累的成果和實地177個不同路段所採集到的大量交通觀測數據的分析和研究,利用數理統計和隨機場理論,提出了一種汽車道路作用空間的物理分析方法來研究車輛當量換算問題。Most air space - heating systems also preheat domestic hot water through an air - to - liquid heat exchanger
大部分空氣空間?加熱系統也會通過氣水熱交換器預加熱家庭里的熱水。The perfonnances of two main space divided switch fabrics including crossbar and multistage intercon11ect network ( min ), including extend muitistage i11terconnect network ( emln ) are study careful1y. the result of ana1ysis a11d stilllulation of buftbr strategy including input buffer and output buffer explain why using input buffer
本論文將定量的分析和模擬空分交換結構和對應的調度演算法,深入的了解crossbar利min (包括emin )空分交換系統各方面的性能,分析利模擬輸入緩存和輸出緩存的緩存策略。3 ) design switch system using eda based on the result of a11alysis. because the function of switch system is very complicated, some modules are designed by schematics directly, most modules are designed by verilog hdl using eda technology, synthesized by the synopsys software. at last a high speed atm switch system is designed, including voq as input buffer strategy dpa cell scheduling algorithm and crossbar switch fabric
在前面分析的基礎上根據目前的條件,對一個空分交換系統各模塊進行前端設計和模擬,由於交換系統的功能復雜,我們一部分將採用直接畫原理圖的方法進行設計,大部分將採用集成電路設計自動化的方法進行設計,即採用硬體設計語言verilog ? hdl進行設計,用synopsys軟體對設計進行綜合,生成線路圖,然後作門級電路模擬。Processes that consume a lot of memory often force the underlying operating system to swap portions of that process address space to disk
佔用很多內存的進程通常會迫使底層操作系統將這個進程的部分地址空間交換到磁盤上。The paper introduces the development status and trends of gis, spatial data model and spatial data structure about technology characteristic. then according the procedure of land utilization status management, system analyse and design scheme is provided and modules are divided. moreover, the theory analyse is given about appraising, source and control idea of spatial data quality and the design of the realizing of spatial data quality control is discussed, combining the pre - process module, therefore a design is provided about realizing the pre - process of spatial data. furthermore, the several methods of data - sharing is analyzed and compared, and the data transforming scheme between maplnfo and cnsdtf ( chinese national geo - spatial data transfer format ) is introduced combining the data transforming module
本文從技術特點的角度介紹了地理信息系統的發展現狀、趨勢、空間數據模型和空間數據結構;根據土地利用現狀管理的業務流程進行了系統分析設計和模塊劃分,並對空間數據質量的評價、來源和控制方法進行了理論分析,結合數據預處理模塊對空間數據質量控制的實現和設計思想進行了探討,提供了一種實現空間數據預處理的設計方案;分析比較了數據共享的幾種方法,結合數據導入導出模塊闡述了mapinfo與cnsdtf (中華人民共和國國家標準地球空間數據交換格式, chinesenationalgeo - spatialdatatransferformat )之間數據交換方案;給出了空間數據處理中採用的部分關鍵技術和一些具體實現方法。On the analysis of the existing content - based request redistribution ( layer - 7 switching ) methods, we propose the method of using kernel thread to implement content - based request redistribution inside the operating system, which can avoid the overhead of context switching and memory copy between the kernel and user space
在對已有基於內容請求分發( layer - 7交換)的方法進行分析基礎上,本文提出在操作系統中利用內核線程高效地實現基於內容請求分發的解決方法,避免多次內核與用戶空間的切換和內存復制開銷。This creates a new partition table, and three partitions to be used as an efi boot partition, swap space, and a root file system
這里創建了一個新的分區表,以及三個分區分別用做efi引導分區,交換空間以及一個根文件系統。分享友人