data flow language 中文意思是什麼
data flow language
解釋
數據流式語言-
After the users input control tasks in three modes : natural language, electric sheet or flow char, the computer will receive the information of control demands by data mining and knowledge discovery. and then illation is leaded to select the hardware and program the software in the inner of the computer. afterward, control program is transformed in the file format of exiting simulation software by using the simulation interface and is opened in the simulation software
用戶只需在pc機上以自然語言或繪制控制流程圖、填寫表格的方式輸入控制任務，然後在系統內部經過數據挖掘和知識發現分析得到可用控制要求信息，並自動引導推理求解過程進行硬體選型和生成相應的控製程序，最後利用模擬介面，自動將控製程序轉化為現有的控制模擬軟體的文件格式，並在控制模擬軟體中，從而用戶可以對生成的控制系統進行模擬，檢查設計的正確性。 -
The key to the fft algorithm is the design of butterfly computation and that of the address logic. the whole schema is designed in the top - down design flow and described in the vhsic hardware description language ( vhdl ), basing on these, we do our research on reconfigurable technology. the result indicates that the data processing ability of reconfigurable system improved greatly
結果表明，可重構系統在數據處理能力方面比以往的系統有了很大的提高，本設計實現的fft重構處理器可工作於60mhz下，完成一個16點fft需要132個主時鐘周期，完成32點fft需要324個主時鐘周期，而且具有一定可重構性，可以方便地將其運算點數進行擴展，或將其他的圖像處理演算法在實時處理系統中實現。 -
Jdl is an interpretative language system. it has data types, expression, control flow statements and user - defined function just like the imperative programming language, but also has data types and statements such as job control statements, task control statements, wait statement, parallel statement and monitor statements particular to jms
Jdl是一種解釋型語言系統，既有一般命令式語言所具有的數據類型、表達式、控制流語句和用戶自定義函數等要素，也另有作業管理系統所特有的數據類型、作業控制語句、任務控制語句、等待語句、并行語句和監聽語句等。 -
At first system accomplishes chinese language automatic word segmentation and part - of - speech tagging through chinese input approach with word segmentation, then forms corresponding surface semantic network according to the semantic structure grammar, and finally gets corresponding data flow diagram and data dictionary according to the automatic generation algorithms of data flow diagram and data dictionary, the whole completion of the work, can not only provide a description environment of natural language for case, but also develop into the system which takes the question described on the basis of the natural language as the system ' s input
工作的中心是自然語言篇章理解。系統首先通過分詞輸入法實現漢語自動分詞與詞性標注，然後根據語義結構文法產生相應的表層語義網路，最後根據數據流圖、數據字典自動生成演算法轉換為相應的數據流圖和數據字典。這項工作的徹底完成，不僅可以給case提供一個自然語言的描述環境，而且可進一步發展為基於自然語言描述問題作為輸入的系統。 -
Then after introducing the grammar rule of lk _ yy language, we introduce the data structure and algorithm to implement them in details. among them, we first introduce the realization of basic language, then put emphasis on the translation of simple model object and the implementation of the two other basic features, inheritance and method overriding. last, making use of lk _ yy, we solve the maximum cost minimum flow problem in traffic program of gis
首先指出了lk _ yy解釋系統是採用面向對象的系統分析與設計方法來實現的；然後在介紹lk _ yy語言語法規則的基礎上詳細介紹了實現它所需的數據結構和演算法描述，其中先介紹lk _ yy語言中基本語言的實現，然後重點講述了簡單模型對象的翻譯以及對象的兩個基本特徵繼承性和方法覆蓋的實現；最後利用lk _ yy解決了實際gis系統中交通規劃的最小費用最大流問題。 -
This paper introduces the hardware design of the high speed data acquisition system based on scm and fpga, provides the connecting scheme of the circuit, and points out the flow chart and design language of this system
介紹了基於單片機和fpga的高速數據採集系統的硬體設計，提供了電路圖的連接方案，指出了系統的流程圖和設計語言。 -
Abstract : software reusability and workspace management are two key factors for the large scale scientific computations and application development. workspace management framework system is based on an object - oriented hierarchical model and provides applications with an effective development and management environment, including reusable application frameworks, functional components, and visual - language - based workflow editing. the system is also characterized by its direct - manipulated graphical interface, object - oriented application management, and data - flow - based task scheduler
文摘:大型科學計算領域需要良好的應用開發和管理環境，以提高應用組件可復用性為目標，規范應用軟體開發過程和計算工作流程.科學計算工作空間管理框架將應用組件作為基本對象，對其進行層次式管理，同時為應用組件開發過程提供有效的管理工具、可復用的應用框架以及基於可視語言的工作流編輯服務.它的可直接操縱的參數界面，基於對象的應用組件管理模式和數據流驅動的任務調度機制使其具有鮮明的特點 -
In the next, we discuss the system of the meg - 1 layer i. the paper centers on the two kernel sub - parts : filtering coding and psychoacoustic model, do some research work in sub - band coding ( cbc ) theory and the relate theory such as quadrature mirror filter ( qmf ) and analyse sub - band filter ; also do research work in psychoacoustic theory especially the part related to the mpeg - 1 layer i. in the third chapter, introduce the ti tms320c6000 series dsps and their characteristics, also about the software development flow and the ti dsp / bios operating system of it. the forth chapter is the most important, firstly, according the algorithm flow in protocol, using c language validate the algorithm ; then, transplant and optimize the coding in dsp. in the processing of optimize, acording the assembler program characteristic of ti dsp, the paper put forward the analyse sub - band filter dsp optimization algorithm base on the eight spot idct. the algorithm has been optimize have greatly improved the work efficiency. make use of the technology of the dsp / bios host channels, data io pipe, software interrupt, we implement the musicam algorithm base on dsp / bios
論文首先對當前語音編碼技術的發展、分類以及mpeg系列音頻標準作了介紹；接著在第二章，給出了layer的musicam （ masking - patternuniversalsubbandintegratedcodingandmultiplexing ）演算法的系統組成，圍繞分析子帶濾波器和心理聲學模型兩個核心模塊，深入研究了子帶編碼工作原理、比特分配及子帶編碼中用到的正交鏡像濾波器和分析子帶濾波器；探討了心理聲學基本原理和mpeg . 1layer所用到的心理聲學模型。第三章對titms320c6000系列dsp作了簡介，介紹了6000系列dsp結構特點、 c6000dsp軟體開發流程和tidsp / bios操作系統。第四章是本文的重點，首先根據協議給出的演算法用標準c語言編程實現並調試通過。 -
Mdx provides data definition language statements ; data manipulation language statements ; scripting language statements for managing scope, context, and control of flow within mdx scripts ; operators and functions for the manipulation of data retrieved from multidimensional objects ; and the capability to extend mdx with user - defined functions
Mdx提供了數據定義語言（ ddl ）語句，數據操作語言（ dml ）語句，用於管理mdx腳本中的作用域、上下文和流控制的腳本語言語句，用於操作從多維對象檢索的數據的運算符和函數，以及通過用戶定義函數來擴展mdx的能力。 -
The vxibus c - size and i, q channels are employed in this module design, and the sampling rate in each channel reaches 500mhz. the memoty deep of the system is 2mb each channel and cpu is high - speed embedded cpu ( powerpc ). the timing and logic function are fulfilled by fpga. after the disscusion of signal adjusted, the detailed scheme of this module design have been showed. in this design, there is much logic function design, and it is very strict with the hardware language program. so the basic flow of hardware program design and several very important methods of high speed logic function design, which is described by vhdl, are introduced. also, expatiated the inner modules structure of fpga for forepart circuit, the keystone and difficulties of the design. the design of high - speed pcb is another difficuty of realizing high - speed data acquisition system, and it is very important. the timing simulating results of several pivotal modules are depicted. high - speed signal paths are terminated to match the characteristic impedance. the design undergoes integrity analysis and software simulation
在本模塊的設計中，有著大量的邏輯設計，對硬體語言程序的編寫要求比較高，因此，文中介紹了硬體程序設計的基本流程，以及幾種基於vhdl硬體語言設計在高速邏輯設計中非常重要的方法。同時闡述了本模塊設計的前端fpga的內部模塊結構，設計的重點、難點，並給出了重要模塊的時序模擬結果。高速pcb的設計也是目前實現高速數據採集系統的難點和重點，文中詳細的闡明了高速pcb設計中的注意點，以及作者在設計本模塊時的經驗和心得。 -
On the end, this thesis started with the analysis of the demand and function of the net e - filing system, designed the database and environment according to the multilayer system structure and operation flow., made the object - oriented analysis and design using uml modeling language and finished coding using java programming language. fully accomplished an internet tax e - filingsystem based on middle - ware and j2ee platform. the data from experimental unit indicate that the system is steady and reliable, reduces the time, increase the degree of satisfaction of taxpayer, validate the research production
本文最後從電子申報系統的需求和功能分析入手，根據多層體系結構和業務流程設計了數據庫和運行環境，並運用uml建模語言進行了面向對象的分析設計，使用java程序設計語言完成了編碼工作，完整實現了一個基於中間件技術和j2ee平臺的國稅網際網路電子申報系統。 -
Considering the characteristics of complexity and frequent flow of business process system in the power supply of county enterprise, a sufficient business process system is established and developed by using unified modeling language and object - oriented analyse and design methods in this paper. a series of use case diagrams, sequence diagrams, interaction diagrams and class diagrams is designed. then, class diagrams are created tables of data - base
針對目前縣級供電企業業擴報裝業務復雜、工作流程變動頻繁的特點，在縣級電力局管理信息系統的建設中，採用面向對象分析與設計的思想，運用可視化標準建模語言uml對業擴系統建模，設計了業擴系統的用例圖、順序圖、合作圖和類圖，並將類圖直接生成數據表，構建了業擴報裝系統框架模型，在經過迭代和增量開發的過程后，開發了較為通用的業擴報裝系統軟體。
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