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The concept of the Altera Nios II embedded processor implementation inside Field Programmable Gate array [FPGA] of the CCD camera for the “Pi of the Sky” experiment is presented. The digital board of the CCD camera, its most important components, current implementation of firmware [VHDL] inside the FPGA and the role of external 8051 microcontroller is briefly described. The main goal of the presented work is to get rid of the external microcontroller and to design new system with Nios II processor built inside FPGA chip. Constraints for implementing the design into the existing camera boards are discussed. New possibilities offered by a larger FPGA for next generation of cameras are considered.
標(biāo)簽： implementation Programmable processor embedded
上傳時(shí)間： 2014-01-02
上傳用戶：dyctj
:文章針對(duì)目前數(shù)字信號(hào)處理中大量采用的快速傅立葉變換[FFT] 算法采用軟件編程來(lái)處理的應(yīng)用現(xiàn)狀,在對(duì)FFT 算法進(jìn)行 分析的基礎(chǔ)上,給出了用FPGA[Field Programmable Gate array] 實(shí)現(xiàn)的8 點(diǎn)32 位FFT 處理器方案,并得到了系統(tǒng)的仿真結(jié)果。 最后在Altera 公司FLEX10K系列FPGA 芯片上成功地實(shí)現(xiàn)了綜合。
標(biāo)簽： Programmable FFT Field FPGA
上傳時(shí)間： 2017-03-09
上傳用戶：jyycc
用兩個(gè)數(shù)組實(shí)現(xiàn)的基數(shù)排序方法，時(shí)間為（array.length）的平方
上傳時(shí)間： 2017-03-10
上傳用戶：yuanyuan123
The AT24C512 provides 524,288 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 65,536 words of 8 bits each. The device鈥檚 cascadable feature allows up to four devices to share a common two-wire bus. The device is optimized for use in many industrial and commercial applications where lowpower and low-voltage operation are essential. The devices are available in spacesaving 8-pin PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-lead Leadless array (LAP), and 8-lead SAP packages. In addition, the entire family is available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 3.6V) versions.
標(biāo)簽： electrically programmable provides erasable
上傳時(shí)間： 2017-04-09
上傳用戶：cc1015285075
FIBPlus is a component suite intended for work with InterBase. It is direct, fast and flexible InterBase connectivity for Delphi, C++ Builder, Ada and Kylix. FIBPlus supports Delphi 5-7, Delphi 2005, Delphi 2006, Delphi 2007, C++ Builder 5-6, C++ Builder 2006, C++ Builder 2007, Kylix 3, gnat-3.15p, gnat2006 GPL, and all versions of InterBase 4.x-7.x, InterBase 2007 and Firebird 1.x-2.x. Using FIBPlus in your applications you do not need to install any additional software except for InterBase Client Software. FIBPlus supports all special InterBase features such as array-fields, event alerters, BLOB-fields, etc. FIBPlus is a native component set and its evaluation versions are distributed partially in sources. Registering FIBPlus you get full sources of components and technical support
標(biāo)簽： component InterBase intended flexible
上傳時(shí)間： 2013-12-01
上傳用戶：xuan‘nian
procedure senddata var i:integer commflg : Boolean begin commflg:=true for i:=1 to 8 do begin if not fcomm comml writecommdata(sendbutter,i) then begin Commflg=false break end end end (4) 接收數(shù)據(jù) 在編寫(xiě)基于串口的計(jì)算機(jī)工業(yè)測(cè)控時(shí)，通常需要由下位機(jī)向PC機(jī)發(fā)送數(shù)據(jù)以使PC機(jī)了解系統(tǒng)的測(cè)試數(shù)據(jù)或下位機(jī)的運(yùn)行狀態(tài)，并進(jìn)而控制下位機(jī)的行為。利用Spcomm串口控件接收下位機(jī)發(fā)送的數(shù)據(jù)信息的示例代碼如下： //事件驅(qū)動(dòng)方式接收數(shù)據(jù)程序 procedure TForm1.CommlReceiveData(Sender:Tobject Buffer:Pointer bufferLength:Word) var receivedata:array of byte begin sleep(100) //等待100ms，保證接收到所有數(shù)據(jù) move(buffef ,receivedata,bufferlength) //將接收緩存區(qū)中的數(shù)據(jù)轉(zhuǎn)移到數(shù)組中 …… end (5) 關(guān)閉串口 在系統(tǒng)開(kāi)發(fā)中，應(yīng)注意在不使用串口時(shí)應(yīng)及時(shí)關(guān)閉串口，釋放系統(tǒng)資源，否則可能會(huì)影響系統(tǒng)的其它應(yīng)用。關(guān)閉串口的代碼如下： procedure TForm1.FormClose ( Sender TObj ect:var Action:TCIoseAction ) begin comml.StopComm end
標(biāo)簽： commflg procedure senddata integer
上傳時(shí)間： 2014-01-26
上傳用戶：懶龍1988
WSNs being energy constrained systems, one major problem is to employ the sensor nodes in such a manner so as to ensure maximum coverage and connectivity with minimal or optimal number of nodes and furthermore elongate network lifetime with maximum energy utilization. The problem addressed has been tackled for 1-D linear array and further extended to 2-Dimensions as stated in the next slides.
標(biāo)簽： constrained systems problem energy
上傳時(shí)間： 2017-04-28
上傳用戶：evil
矩陣運(yùn)算.輸入一個(gè)矩陣，輸入錯(cuò)誤時(shí)報(bào)錯(cuò).函數(shù)參數(shù)；待輸入實(shí)型矩陣array，array的行列數(shù)i，j 返回值：0，表示輸入錯(cuò)誤；1，表示正確輸入
上傳時(shí)間： 2014-01-20
上傳用戶：二驅(qū)蚊器
Heapsort 1.A heap is a binary tree satisfying the followingconditions: -This tree is completely balanced. -If the height of this binary tree is h, then leaves can be at level h or level h-1. -All leaves at level h are as far to the left as possible. -The data associated with all descendants of a node are smaller than the datum associated with this node. Implementation 1.using a linear array not a binary tree. -The sons of A(h) are A(2h) and A(2h+1). 2.time complexity: O(n log n)
標(biāo)簽： followingconditions tree completely satisfying
上傳時(shí)間： 2017-05-25
上傳用戶：2467478207
This ar the basic programs that i did in highschool. From very simple to medium programs. From arrays to backtracking and graphs. Ther are more then 100 programs.
標(biāo)簽： programs From highschool medium
上傳時(shí)間： 2014-12-04
上傳用戶：youke111
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