XTHIDE is a GUI that allows the user to hide a text message in an image file.
The user will be asked for a key that will be used to both encode and decode the text into an image.
The key can be of length from 2 to 900 characters.
The encryption pattern for a key hell is not a subset of the encryption pattern for hello .
See help. Created with version 7.01.
Modern C++ Design is an important book. Fundamentally, it demonstrates generic
patterns or pattern templates as a powerful new way of creating extensible designs in
C++--a new way to combine templates and patterns that you may never have dreamt was
possible, but is. If your work involves C++ design and coding, you should read this book.
the book provides many solved examples that illustrate the principles involved,
and includes, in addition, two chapters that deal exclusively with applications of
unconstrained and constrained optimization methods to problems in the areas of
pattern recognition, control systems, robotics, communication systems, and the
design of digital filters. For each application, enough background information
is provided to promote the understanding of the optimization algorithms used
to obtain the desired solutions.
C++ From Scratch: An Object-Oriented Approach is designed to walk novice programmers through the analysis, design and implementation of a functioning object-oriented application using C++. You will learn all the critical programming concepts and techniques associated with the language in the context of creating a functioning application. Best selling C++ author Jesse Liberty shows you how to create "Decryptix", a game of decoding a hidden pattern as quickly as possible, using nothing but successive guesses and the application of logic. Every example and technique is put into the context of achieving a goal and accomplishing an end.
If you are acquainted with neural networks, automatic control problems
are good industrial applications and have a dynamic or evolutionary nature
lacking in static pattern-recognition; control ideas are also prevalent in the
study of the natural neural networks found in animals and human beings.
If you are interested in the practice and theory of control, artificial neu-
ral networks offer a way to synthesize nonlinear controllers, filters, state
observers and system identifiers using a parallel method of computation.
基于LabVIEW2012FPGA模式的數據采集和存儲系統摘 要：為了提高數據采集系統精度，減少開發成本，提高開發效率，基于LabVIEW虛擬儀器開發工具研究并設計了一
種數據采集系統。該系統采用FPGA編程模式和網絡流技術實現大批量數據實時傳輸，并對數據進行分析處理和存儲。系
統硬件采用美國NI實時控制器CRIO?9025，實現16路數據可靠采集與存儲。實驗仿真及實際運行結果表明該數據采集系
統能夠精確地對數據進行實時采集以及分析處理，達到了項目要求。
關鍵詞：FPGA；FIFO；網絡流；數據采集系統；SQL數據庫
中圖分類號：TN98?34 文獻標識碼：A 文章編號：1004?373X（2014）14?0142?04
Data acquisition and storage system based on LabVIEW 2012FPGA pattern
WANG Shu?dong1,2
，WEI Kong?zhen1
，LI Xiao?pei1
（1. College of Electrical and Information Engineering，Lanzhou University of Technology，Lanzhou 730050，China；
2. Gansu Key Laboratory for Advanced Industrial Process Control，Lanzhou 730050，China）
基于FPGA設計的相關論文資料大全 84篇用FPGA實現FFT的研究
劉朝暉 韓月秋
摘 要 目的 針對高速數字信號處理的要求，給出了用現場可編程門陣列(FPGA)實現的
快速傅里葉變換(FFT)方案.方法 算法為按時間抽取的基4算法，采用遞歸結構的塊浮點運
算方案，蝶算過程只擴展兩個符號位以適應雷達信號處理的特點，乘法器由陣列乘法器實
現.結果 采用流水方式保證系統的速度，使取數據、計算旋轉因子、復乘、DFT等操作協
調一致，在計算、通信和存儲間取得平衡，避免了瓶頸的出現.結論 實驗表明，用FPGA
實現高速數字信號處理的算法是一個可行的方案.
關鍵詞 離散傅里葉變換； 快速傅里葉變換； 塊浮點運算； 可編程門陣列
分類號 TP39； TN957.511
Implementation of FFT with FPGA Technology
Liu Zhaohui Han Yueqiu
(Department of Electronics Engineering, Beijing Institute of Technology, Beijing 100081)
Abstract Aim To propose a scheme for implementing FFT with FPGA in accor-dance with the
requirement for high speed digital signal processing. Methods The structure of FPGA and
requirement of system were considered in the experiment, radix-4 algorithm of DIT and recursive
structure were adopted. The group float point arithmetic operation was used in the butterfly and the
array multiplier was used to realize multiplication. Results The pipeline pattern was used to ensure
the system speed, it made fetching data, calculating twiddle factor, complex multiplication and D
