換向序列 的英文怎麼說
中文拼音 [huànxiàngxùliè]
換向序列
英文
turnaround sequence-
This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發,深入研究和討論了通用串列總線usb規范及工作原理,並依據usb1 . 1規范,採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件,實現了通用計算機與測試設備之間基於usb總線的通信功能;其次,在所開發的usb總線介面的基礎上,使用微處理器pic16c62和多路繼電器開關,設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件;再次,採用vb語言編程,調用windows內部api函數,與選定hid類驅動程序進行通信,實現usb總線介面測試儀器功能,完成面向測試的上層軟體開發;最後,在深入研究印刷電路板測試方法的基礎上,利用已開發的多路通道掃描器和面向測試軟體,結合必要測試儀器組建印刷電路板測試系統,並對測試結果進行了簡要的誤差分析。During the design of vxi - bus serial controller module, the functions of vxi - bus including time - sequence for vxi interface, resource management, interrupt process, bus arbitration, are accomplished. to advance the performance and stability, the fpga technic is used to implement the kerneled code including serial bus time - sequence switching to vxi interface time - sequence, the uart, the parameterized baud generator and “ pipeling frame ”. the handle type of data transfer bus for vxi - bus is researched thoroughly, and the format of serial data transfer is designed
在vxi總線串列控制器設計中,實現了vxi總線控制器的基本功能,包括vxi總線介面時序、總線仲裁、超時處理等;同時利用先進的fpga技術實現了串列總線時序向vxi總線時序的轉換、通用異步收發器( uart ) 、參數化波特率發生器、流水線結構等功能模塊;在設計中還深入研究了vxi總線數據傳輸的各種操作類型,制定了串列數據傳輸的編碼格式。All the contents are developed around a set of scaling laws taking the form of exponentials which relate to almost all the issues of complexity including fractals, chaos, strange attractors, localization, and symmetry breaking, etc. the main work can be summarized as follows : starting from the law of allmetric growth three fractal dimensions in a broad sense are derived, and according to these dimensions, geographical space is divided into three levels, i. e., real space, phase space, and order space, each of which corresponds to a kind of dimension. based on the idea of spatial disaggregation and using the rmi ( relationship - mapping - reversion ) principle, the urban system is formulated as three scaling laws of the three spaces, including number law, size law, and area law, which can be transformed into a set of power laws such as allometric law and zipf ’ s law associated with fractal structure
從異速生長律的縱向、橫向和切向三個角度將地理空間劃分為實空間、相空間和序空間,分別對應于空間系列、時間序列和等級序列三個層面,每個層面的測度各有自己的空間維度。基於「空間循環細分-等級體系-網路結構」的數理等價關系,利用rmi (關系-映射-反演)原則,成功地實現了城市系統宏觀模型的理論抽象,將空間復雜性問題表徵為簡單的指數式標度定律(包括數量律、規模律和尺度律) ,這一組標度律可以與一組冪次定律(包括具有分形性質的規模-數目律、異速生長定律和三參數zipf定律)互為變換。In this paper, a gray video md - 3d - spiht algorithm is proposed, which extends the md - spiht algorithm into 3d - spiht. this method is to divide the 3 - d wavelet coefficients into some number p of different groups according to their spatial and temporal relationships, and then to encode each group independently using 3d - spiht algorithm, so that p independent embedded 3d - spiht substreams are created. multiple descriptions are created
2 、將md - spiht方法推廣應用於視頻序列,提出了灰度視頻md - 3d - spiht演算法,該演算法先對一組視頻圖象進行多級離散三維小波變換,在小波域建立空間方向樹,及對空間方向樹分組,再分別對各組進行3d - spiht編碼,即產生多個描述,且每一描述的碼流是完全嵌入式的,易於實現質量可分級編碼。Secondly, we study the preprocessing part of system, a method of bidirectional multi - resolution motion estimation via radon transform is proposed, which can be used to estimate both pixel and subpixel motion vectors with robustly accurately and efficiently. bad frames elimination via the variances of lr frames in the sequence is preformed before the implementation of the super - resolution algorithm
其次討論了超分辨預處理過程,提出了基於radon變換的雙方向多解析度運動估計方法,演算法可以穩健、精確的在較大范圍內實現亞象素運動估計;以圖像方差為標準,判斷序列圖像中個別幀損壞嚴重為「壞幀」 ,在超分辨重建之前預先去除。The sequences are transformed to a relative sequence, in which all the segments are normalized by the previous segment. the relative sequences are categorized and indexed by suffix tree, and the result of the suffix tree search is the potential similar subsequences
通過將序列變換為相對序列,實現了對序列中任意位置、任意長度子序列的規范化;為了提高查詢效率,將相對序列的特徵向量進行離散化分類,並使用后綴樹進行索引。Adopted the object oriented analyzing method to construct the object model which showed the system ' s data structure, the dynamic model which described the well - formed change alignment of objects and the process of the shift of states and the function model which described the function of the data process with the data flow diagram based on the dicom data format, encircling the dicom file format, file services, media storage service classes and the basic directory object definition
採用面向對象的分析方法,立足dicom數據格式,圍繞dicom數據元素、 dicom文件格式、 dicom文件服務、介質存儲服務類和基本目錄對象定義,構建了dicom介質存儲系統的對象模型,表明了目標系統的靜態數據結構;構建了描述對象模型中對象合法變化序列的動態模型,反映了系統實現的狀態變換過程;針對對象模型中對象之間的依賴關系和數據處理功能構建了功能模型,並用數據流圖展示了系統功能。Because the method uses the linear measurable function of bearings varying with time, so it is more effective than the normal method which based on bearings of the target directly, and at the same time it can overcome the limits when use the normal method in special situation
由於該方法將目標方位隨時間變化的非線性關系轉換到另一空間的線性關系,這使得檢測更加有效、直觀,並且能夠克服直接採用方位序列檢測目標轉向機動在特殊情況下失效的限制。We intercept and capture the read and write system calls via putting the nvram on the request queue. then observing the capacity of the " dirty " data, we redirect the writing direction to the hard disk while detecting the proportion of the " dirty " data exceeds the limit
通過文件系統對數據讀寫操作流程的分析,在系統的request隊列中將其讀寫的對象置換為nvram ,從而實現數據讀寫的截取和轉向,然後對nvram的臟數據容量進行檢測,當其到達nvram容量的一定比例后,調用相應的程序把臟數據對外設回寫。The algorithm acquires the quantity of two - dimensional spatial translation by means of projecting each frame apart along horizontal and vertical direction and using multi - resolution spectrum decomposition approach to process the two projection vectors, respectively
該演算法首先引入積分投影方法將圖像序列中的每幀圖像轉換成兩個一維積分投影向量,再應用多分辨譜分解方法對兩個投影向量分別進行處理,從而精確地獲取圖像在二維空間上的亞像素平移量。The observation vectors are obtained from the dct coefficients
觀察向量序列由離散餘弦變換( dct )系數獲得。分享友人