緩沖對換 的英文怎麼說
中文拼音 [huǎnchōngduìhuàn]
緩沖對換
英文
buffer swapping-
The performances of atm switches with different butter queueing model are analyzed in the third part of this paper. we discuss the performances of input queue switch, shared memory switch and output queue switch respectively
第三部分對不同緩沖排隊模型的atm交換機的性能進行了分析，分別討論了輸入排隊交換機、共享存儲排隊交換機及輸出排隊交換機的的性能。This paper introduces the fundamental and characteristic of the fuel cell, analyzes the necessity and detail scheme of adding assistant energy sources to the fuel cell power generation system. considering for the special demand of the fuel cell power generation system, this paper gives out a push pull forward converter ( ppfc ) with passive and lossless dual cdd snubber circuit
本文首先闡述了燃料電池的基本原理和性能特點，分析了在燃料電池發電系統中引入輔助能源系統的必要性及具體的配置方案，然後針對燃料電池發電系統對dc / dc變換器設計的特殊要求，提出了一種加雙cdd無源無損緩沖電路的推挽正激變換器（ pushpullforwardconverter ， ppfc ） 。The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing
本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼； fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制；視頻數據幀存模塊為大量高速的視頻數據提供緩沖區；基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號； d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用： i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。Mm ). mg2 +, mn2 +, zn2 +, fe2 +, fe3 +, cu2 + have enabled effect on enzyme activation and edta produce a strong inhibitory effect on the enzyme. embranch amino acid have no effect on the enzyme
在離子交換柱層析中，採用不同的ph值及不同類型的緩沖液對純化條件進行優化，最終選擇了ph6 . 0mes緩沖液，並得到了酶蛋白洗脫點為0 . 24 0 . 32mol lnacl 。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。We use a colorful noise to describe traffic flow and regard it as the uncontrolled input ( equaled to noise ). then we use the multi - rate sampling pi controller to eliminate the error caused by noise, and make the length of queue stabilize at the threshold. the availability of the strategies and stability of systems are proved by doing some analysis and simulation
文中我們將一有色噪聲看作不可控輸入的擾動，採用基於pi的多采樣速率控制器以消除由此不可控輸入所造成的對系統輸出（交換節點緩沖區隊列長度）誤差的影響，使得系統輸出（隊列長度）穩定在閾值附近。Directly painting textures on top of 3d objects in 3d perspective viewport is a new issue of human - computer interface ( hci ). this paper presents a method to solve this issue. it converts the position information of the texture pixels of texture map into color information ， and then transfers both the coordinates and the color of texture pixels into screen through texture mapping at the same time. only is the color information of texture pixels converted into illumination by calculating the normal and the angle of ray incidence of the screen pixel in the method. the texture coordinates are firstly converted into the color information by generating another texture map ， which is called information map whose pixels ' color represents the coordinates information. and then the corresponding texture coordinates are mapped into screen reference frame by texture mapping and stored into information buffer for later use. so we can obtain the texture coordinates of screen pixels correspondingly by decoding from information buffer. after optimizing ， we can paint textures on top of 3d objects in 3d perspective viewport in real time. the paper also gives some examples and related definitions of using additional information of 2d texture map for 3d graph generating
針對三維逶視投影視圖中對三維物體表面紋理直接進行噴繪，以獲得復雜紋理圖這一計算機圖形交互技術這一新問題，研究了一種將紋理圖的象素位置信息轉換成彩色信息，然後利用紋理映射將紋理坐標連同該點上的顏色值一起傳遞到與屏幕象素對應的可見點上的方法，其中顏色值依該點處的入射光線方向和表面法向被進一步轉換為光強值，而紋理坐標則被解碼后還原成與該可見點對應的紋理坐標，被存入信息緩沖器中，供以後使用，通過解碼，可根據屏幕點直接得到對應紋理象素點的坐標，經過演算法優化，實現了對三維物體表面紋理的實時噴繪；同時闡述了在三維圖象生成技術中使用附加紋理信息的應用實例以及相關定義Concludes that the undesired effect of temperature difference could not be eliminated just by the negative pressure difference between adjacent rooms, that the contaminant air exchange would increase about 50 % in the temperature difference of 2 than that in the temperature difference of 0, and that such contamination could be reduced to about 1 / 31 ~ 1 / 16 with the help of buffer rooms
結果顯示，溫差作用是一般壓差作用抵消不了的； 2溫差時污染物交換量比0溫差時增加50 %左右；緩沖室可對溫差作用引起的污染物交換起到15 ~ 30倍的動態隔離作用。It eliminates the need for agent blocks to have specific knowledge of ram array behind it. it takes care of protocols and latencies in an effort to simplify memory access by the agent blocks. agent blocks " see " a single linear frame buffer, all paging and bank swapping is handled by the and is transparent to the agent blocks
在嵌入式系統晶元中高速存儲器介面控制電路是系統必不可少的重要組成部分，由於有了存儲器介面的存在，使得系統內部客戶模塊不必專門了解存儲器本身的復雜特性，而只需關心傳輸協議和一些定義的遲滯參數，在客戶看來存儲器僅僅是一個線性的幀緩沖器，所有的換頁、區段切換都交由介面電路來處理，從而大大簡化了客戶對存儲器操作的復雜度。We have sifted 103 medicinal plants, roughly identified 17 plants might contain antifungal proteins. antifungal protein was purified from cassia sophera linn, by extraction, fraction with ( nh _ ( 4 ) ) _ ( 2 ) so _ ( 4 ), cation - exchange chromatography of cm - sepharose ff xk 26, the first cation - exchange chromatography of mono s and the second one, followed by gel filtration of superose 12hr
對茳芒決明進行了抗菌蛋白的分離純化：經粉碎、磷酸緩沖液浸提、硫酸銨沉澱、 cm - sepharoseffxk26陽離子交換層析、兩次monos陽離子交換層析、 superose12hr分子篩層析可得到具抗真菌活性的蛋白。This card largely depends on three integrate chips to fulfill its function : 1 ) nic control main chip, corresponding the mac sublayer of ethernet, to realize csma / cd media access protocol, manage the sending and receiving buffers integrated on the chip and provide motherboard pci interface. 2 ) serdes ( serializing and deserializing ) chip, corresponding pcs and pma sublayers in ethernet, mainly to complete 8b / 10b coding and convert 10 bits parallel data to serial data, and convert them again at the receiving end. 3 ) fibre transceiver unit, completing light - electrical conversion of seri
該網卡主要由3塊集成的晶元完成其功能，分別是i ）網路控制主晶元，對應于以太網的mac子層，主要完成csmaicd介質訪問協議，管理片上集成的發送和接收緩沖區，並提供和主板p0總線的介面： b ） s rd s （串列解串列化器）晶元，對應于以太同的pcs和pma子層，主要完成sb lob編碼並將10位并行的數據轉換為串列數據，在接收端完成相反的功能：涌）光纖收發器，完成串列數據的光電轉換功能。In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis
接著重點研究了含有諧振極無損緩沖電容的逆變器，對其換流過程中的不同工作狀態進行分析，討論了如何減小逆變器的開關損耗，給出了最佳工作狀態下緩沖電容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法，並通過大量的模擬和實驗波形證明了理論分析的正確性。Based on the previous research, theoretically analyses the influence of combinations of air changes and cooling load in an isolation ward and the adjacent buffer room on isolation effects when the temperature difference is considered
摘要從理論上分析了考慮溫差影響下，隔離病房和緩沖室的換氣次數與房間冷負荷的匹配情況對兩室一緩工況下隔離效果的影響。The intrinsic carrier concentration reduces when decreasing the v / iii ratio. the high quality of in0. 53gao. 47as can be obtained at the range of 10 - 30 seconds of exchange time between ashs and phs. when the thickness of the buffer layer between the inp substrate and ingaas epilayer is 0. 2 um the mobility becomes the maximum and the carrier concentration is the lowest
/比對外延層的表面形貌有較大影響，增大/比有利於提高材料的結晶質量；隨著/比增加，遷移率升高；本徵載流子濃度隨著/比減少而降低； ash _ 3和ph _ 3轉換時間在10秒到30秒之間可以獲得質量較好的ingaas外延層；在inp緩沖層厚度為0 . 2 m時遷移率達到最大，載流子濃度達到最低。Concretely, on the basis of describing the communication specification of arinc 429 with enhanced parallel port ( epp ), the standard and the module application of dsp and cpld, the thesis has proposed the design of the arinc 429 technology based on dsp system. at first, the function and the application of each module of the system and the operation principle of high - performance cmos bus interface circuit hs - 3282 chip which forms the main body of the data diversion of the interface module are introduced. secondly, the hardware structure of the interface module is described in detail, mainly including data latch and buffer circuit, choice circuit of transmission rate, etc. and then the design philosophy and flow charts of the software are fully discussed, such as the basic requirement of software, the design and realization of the function
本文在簡單的論述了pc並口協議（ epp ）與dsp之間的通信方法、 cpld模塊邏輯控制應用和arinc429的通訊規范的基礎上，給出了基於dsp的arinc429通訊介面的設計方案:對通訊板中各模塊的功能和應用以及構成數據轉換主體的總線介面晶元hs - 3282的工作原理做了說明;介紹了本設計所用的dsp和cpld的功能概況;詳細敘述了通訊板介面模塊的硬體結構設計，其中，對數據緩沖電路、數據傳輸速率選擇電路、邏輯控制電路等各關鍵點做了重點介紹;具體闡述了軟體設計思想及流程圖，包括軟體的基本要求和功能的設計與實現;接著從埠譯碼單元、 i / o通道、電平轉換電路等方面進行了介面模塊的軟、硬體調試;最後，給出了測試結果，對研製工作做了總結，對本設計的優缺點各做了評述。Two kinds of common used snubber circuits are studied through simulation and experiment. it is pointed out that the rcd snubber has less power loss. increasing the turn ratio of transformer is helpful for the energy, which is stored in the primary side of transformer, to be transferred to the secondary side
通過實驗和模擬，對比研究了電路中周波變換器的兩種常用的緩沖電路，指出採用rcd緩沖電路損耗更小；提高變壓器匝比有利於減小鐵芯儲能的回饋，提高逆變器變換效率，但它同時也增加了副邊功率管的電壓應力，必須綜合兩方面確定合理的匝比。Firstly, the summarize of the development and actuality of flyback converter is given, and different snubber circuits applied in the flyback converter are analyzed and compared 。 then the novel interleaved flyback topology is proposed
首先，對反激變換器的發展與現狀做了全面的概述，比較了反激變換器各種緩沖電路的優缺點。At last the audio - visual filter can get and regroup the pcm audio data which transformed into the time - frequency signals by the fft. at the same time the power spectrum can be displaying on the windows by using the win32 api functions. finally the test of this system shows the processes about transport stream of receiving in the collecting card, pushing in the bridge, separating in the parser, displaying in the audio - visual filter are satisfied with the data rata at the server
音視頻效果filter內部通過獲取解碼后的pcm格式數據，並利用緩沖管理器對這些數據進行重新分組，然後對分組后的數據進行fft變換將時域信號變換到頻域之中，同時對變換后的數據作數學處理后得到其功率值，最後利用api畫圖函數對這些功率值進行了實時的特殊效果顯示。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99The existing comparatively mature algorithms about these two problems is optimized and improved. fast implementation of operation on big integers is realized mainly through cut buffer, namely the strategy of getting time by space
並對現有比較成熟的演算法進行了優化改進，主要通過開辟緩沖區，以空間換取時間的策略，完成了大整數的高速運算。分享友人