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Description: 使用CMemDC类解决应用程序的闪烁问题
在你的MFC程序中解决闪烁问题是个烦心的工作。你可以在书上或者网上找到关于这方面的介绍，但是介绍的技术一般都是很复杂的或者是很难应用到已经存在的程序中去。
一个京城使用的技术叫做双缓冲。双缓冲使用一个新的缓冲来画屏幕，然后把整个的屏幕显示在真正的屏幕上。
这篇文章使用了叫做CMemDC的类，这个类封装了绝大部分写入off-screen缓冲区的方法。在已经存在的MFC或者是ActiveX控件中加入CMemDC类是非常方便的。
怎样在你的MFC程序中使用CMemDC
1.在你的工程中加入memdc.h文件。
2.在stdafx.h中加入代码#include \"memdc.h\"
3.为窗口做WM_ERASEBKGND的消息映射
4.象下面那样改变处理消息的代码：-use CMemDC category of applications to solve the problem flashing in your MFC process is resolved Flicker 000 bother work. You can book online or find this regard, But introducing the technology in general are very complex or difficult to apply to already existing programs. Beijing used a technique called double buffering. Double buffer using a new buffer to paint a screen, then the screen shows that the whole of the real on the screen. This article called CMemDC use of the category, this category included the majority of package off-screen buffer method. The existence of MFC or ActiveX add CMemDC category is very convenient. What in your MFC procedures used CMemDC one. In your works into memdc.h document. 2. In addition stdafx.h code # include "memdc.h" 3. For window W M_ERASEBK
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Author: 罗成 |
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Description: Expert Choice represents a significant contribution to the decision making process 工t assists a decision maker in solving complex problems involving many criteria and several courses of action . An Expert Choice solution to a problem reflects the expertise of the decision maker , not the computer .
Behavioral scientists have spent many years studying the human mind and how it makes decisions . They have found that humans are influenced by their previous experiences and this causes them to have biases . Basic instincts , preferences and environmental factors also play key roles in how we analyze data and make decisions . There 15 way to remove these factors from human decision making , nor would we necessarily want to , but as the problems of our world become more and more complex , it 15 necessary for us to employ a framework to help make more logical and less biased decisions while still taking our feelings and intuition into consideration .
-Expert Choice represents a significant co ntribution to the decision making process as for t sists a decision maker in solving complex probl ems involving many criteria and several course s of action. An Expert Choice solution to a probl em reflects the expertise of the decision maker , not the computer. Behavioral scientists have spent many years studying the human mind and how it makes decisions. They have found that humans are influenced by their previous experiences a nd this causes them to have biases. Basic instin ctc. preferences and environmental factors also pl ay key roles in how we analyze data and make decis ions. There fifteen way to remove these factors from h Uman decision making. nor would we necessarily want to, but as the problems of our world become more and m ore comple
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Author: chasesh |
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Description: Routine mampres: To obtain amplitude response from h(exp(jw)).
input parameters:
h :n dimensioned complex array. the frequency response is stored
in h(0) to h(n-1).
n :the dimension of h and amp.
fs :sampling frequency (Hz).
iamp:If iamp=0: The Amplitude Res. amp(k)=abs(h(k))
If iamp=1: The Amplitude Res. amp(k)=20.*alog10(abs(h(k))).
output parameters:
amp :n dimensioned real array. the amplitude-frequency response is
stored in amp(0) to amp(n-1).
Note:
this program will generate a data file \"filename.dat\" .
in chapter 2-Routine : To obtain amplitude response from h (exp (jw)). input parameters : h : n dimensioned complex array. the frequency res Islam is stored in h (0) to h (n-1). n : the dimension of h and amp. fs : sampling frequency (Hz). iamp : If iamp = 0 : The Amplitude Res. amp (k) = abs (h (k)) If iamp = 1 : The Amplitude Res. amp (k) = 20 .* alog10 (abs ( h (k))). output parameters : amp : n dimensioned real array. the amplitude-freq uency response is stored in amp (0) to amp (n-1). Note : this program will generate a data file "filenam e.dat. " in chapter 2
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Author: king_key |
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Description: Describe the differences between the Java Swing to SWT. Give a complex example to explain how to transform the Swing codes to SWT code.-Describe the differences between the Java Swing to SWT. Give a complex example to explain h ow to transform the Swing codes to SWT code.
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Size: 449415 |
Author: Wang Yi |
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Description: 关于复数计算的简单程序-complex calculations on the simple procedure
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Size: 1024 |
Author: 王磊 |
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Description: 目前的流媒体服务器代码有Darwin(苹果公司），是用c++开发的，过于复杂不适合用在嵌入式设备上，live555是c开发的但是只支持mpeg格式的音频，Feng 流媒体服务器支持h.264格式的视频，mp3音频，支持RTSP,RTP/RTCP，可以用来在嵌入式设备上开发流媒体服务器.-current streaming media server code Darwin (Apple), is the development of the c, too complex not suitable for use in embedded equipment. live555 c is the development but only to support the mpeg audio format, Feng streaming media server support h.264 video format, mp3 audio support RTSP, RTP/RTCP, can be used in embedded devices developed streaming media server.
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Author: sophic |
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Description: Direct3D is the component of DirectX that can render immersive 3D worlds. Direct3D is ideally suited for programs that allow the operator to fly through complex models in 3D space. The specific model I tackled was a model of the Munsell color solid. The Munsell color solid is a model for the range of colors perceivable by the human eye. It was developed back in 1905 by Albert H. Munsell. It is called a color solid because the color varies continuously throughout the volume of the model.
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Author: zhucheng |
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Description: ofdm信道特性
Channel transmission simulator
Channel transmission simulator
％
％ inputs:
％ sig2 - noise variance
％ Mt - number of Tx antennas
％ Mr - number of Rx antennas
％ x - vector of complex input symbols (for MIMO, this is a matrix, where each column
％ is the value of the antenna outputs at a single time instance)
％ H - frequency selective channel - represented in block-Toeplitz form for MIMO transmission
％ N - number of symbols transmitted in OFDM frame
％
％ outputs:
％ y - vector of channel outputs (matrix for MIMO again, just like x matrix)
％ create noise vector sequence (each row is a different antenna, each column is a
％ different time index) note: noise is spatially and temporally white-channel characteristics of OFDM Channel transmission simulatorChannel transmission simulator inputs: sig2- noise variance Mt- number of Tx antennas Mr- number of Rx antennas x- vector of complex input symbols (for MIMO, this is a matrix, where each column is the value of the antenna outputs at a single time instance) H- frequency selective channel- represented in block-Toeplitz form for MIMO transmission N- number of symbols transmitted in OFDM frame outputs: y- vector of channel outputs (matrix for MIMO again, just like x matrix) create noise vector sequence (each row is a different antenna, each column is a different time index) note: noise is spatially and temporally white
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Author: sunxu |
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Description: C实现Chirp-Z变化，采用Bluestein快速算法，压缩包内还附有FFT.h和Complex.h,很有应用价值-C implementation Chirp-Z changes, the use of fast algorithm Bluestein, compressed package also included FFT.h and Complex.h, great value
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Size: 3072 |
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Description: 这是一台利用巡线技术实现复杂任务的机器人，在比赛中表现出很好的效果。希望其中的巡线技术对大家有帮助。-This is a patrol line of the use of robot technology to achieve complex tasks in the game showed good results. Hope that one of the patrol line technology be helpful to everyone.
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Size: 17408 |
Author: 李丹勇 |
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Description: 现在，数字视频处理是一项复杂又具有前瞻性的课题，本书详细介绍了MPEG - 4和H.264编码标准。-Now, the digital video processing is a complex and forward-looking topics, the book details the MPEG- 4 and H.264 coding standard.
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Description: This source code is the 32point FFT(Fast Fourier Transform) for Real Time sampling system (like PQ meter or Digital Relay). The complex computation is realized without complex.h in this code, based on only C. -This source code is the 32point FFT(Fast Fourier Transform) for Real Time sampling system (like PQ meter or Digital Relay). The complex computation is realized without complex.h in this code, based on only C.
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Size: 644096 |
Author: kriskim |
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Description: 该程序是在visual studio 2008上实现的复数运算，通过这个程序可以实现任意复数运算-To achieve complex operations
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Size: 20480 |
Author: juyufang |
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Description: Cephes Mathematical Library. Latest Linux distribution, dated 6/4/00. Special functions and other goodies in C, including long double precision routines for 68K, 386, and sparc processors. This is the most complete distribution package of the function library (but not the most up-to-date one). It includes these sections-- double: all functions in 64-bit double precision single: all available functions in 32-bit single precision long double: all available functions in 80-bit extended precision 128bit: all available functions in 128-bit long double precision qlib: all functions in q-type extended (44 to 106 decimal) precision, includes a C++ class for the binary floating point arithmetic and a q-type calculator program c9x-complex: new C language standard C9X data type for complex variables, header complex.h for GNU C and functions in float complex, double complex, and long double complex precisions. -Cephes Mathematical Library. Latest Linux distribution, dated 6/4/00. Special functions and other goodies in C, including long double precision routines for 68K, 386, and sparc processors. This is the most complete distribution package of the function library (but not the most up-to-date one). It includes these sections-- double: all functions in 64-bit double precision single: all available functions in 32-bit single precision long double: all available functions in 80-bit extended precision 128bit: all available functions in 128-bit long double precision qlib: all functions in q-type extended (44 to 106 decimal) precision, includes a C++ class for the binary floating point arithmetic and a q-type calculator program c9x-complex: new C language standard C9X data type for complex variables, header complex.h for GNU C and functions in float complex, double complex, and long double complex precisions.
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Size: 1754112 |
Author: liyi |
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Description: .h文件。c++中的复数类，能够直接完成基本四则运算，输入输出流，完成一定范围内的比较运算-. H file. c++ classes in the plural, to directly perform basic arithmetic, input and output streams, to complete a range of comparison operators
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Size: 1024 |
Author: reddog |
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Description: 一个Visual Basic.Net的复数代码H源文件-Visual Basic.Net
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Size: 1024 |
Author: GU |
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Description: 多路数字温度监控系统设计--哥们的毕业设计，注意有测又有控。因为它有些复杂，所以参考价值非常高：ds18b20多片组网，编程实现唯一寻址；4×5矩阵键盘实现输入操作；由于系统庞大，就扩展了RAM和I/O口，易移植；具有输出控制单元，能输出pwm波控制电机转动快慢；上下限温度设置，越限声音报警，根据温度高低，电机会自动调整转速。可改进的地方：后续如果想研究深入，可加进pid整定就完美了，待加入各种智能算法，使电机根据需要而实现各种智能的运转-Multichannel digital temperature monitoring system design- buddy of graduation design, attention to measurement and control. Because it is somewhat complex, so the reference value is very high: DS18B20 multiple networking, programming only addressing 4 x 5 matrix keyboard input operation because the system is huge, extends the RAM and I/O port, easy to transplant having the output control unit, can output PWM wave control of motor rotation speed the upper and lower limits of temperature setting, the alarm sounds, according to high and low temperature, automatically adjust the speed of motor. Room for improvement: to follow if you want to study in depth, can be added to the PID setting is perfect, to join the various intelligent algorithms, so that the motor according to the need and the realization of various intelligent operation
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Description: complex.h is very important file for complex computation
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Size: 1024 |
Author: buet |
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Description: ftmisc.h Miscellaneous macros for stand-alone rasterizer (specification only).
-ftmisc.h Miscellaneous macros for stand-alone rasterizer (specification only).
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Size: 5120 |
Author: zingcqqx |
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Description: 参照论文《基于SPAN／H／alpha／A和复Wishart分割的全极化SAR数据的非监督分类算法研究》(Referenced research on unsupervised classification algorithm of fully polarimetric SAR data based on SPAN / H / alpha / A and complex Wishart segmentation)
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Size: 5120 |
Author: IvanXu |
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