最小二乘法曲线拟合程序 经过调式 供大家参考

Cognitive radio frequency spectrum detection-The spectrum sensing of a wideband frequency range is studied by dividing it into multiple subbands. It is assumed that in each subband either a primary user (PU) is active or absent in a additive white Gaussian noise environment with an unknown variance. It is also assumed that at least a minimum given number of subbands are vacant of PUs. In this multiple interrelated hypothesis testing problem, the noise variance is estimated and a generalised likelihood ratio detector is proposed to identify possible spectrum holes at a secondary user (SU). Provided that it is known that a specific PU can occupy a subset of subbands simultaneously, a grouping algorithm which allows faster spectrum sensing is proposed. The collaboration of multiple SUs can also be considered in order to enhance the detection performance. The collaborative algorithms are compared in terms of the required exchange information among SUs in some collaboration

可以实现两幅BMP图像的合并，并输出合并后的图像-May realize two BMP image merge, after and outputs the merge image

汇编的 关于 复杂形状的窗口 的asm 源程序，虽然代码量少，但汇编语言本来就是很精练的-Compilation of complex shapes on the window asm source, although the code less, but the assembly language is the very concise

有向无环图操作示例代码-a directed acyclic graph operation code examples

二维的画图类，可以进行点，线，三角形，矩形，椭圆，圆等形状的画图，并可进行缩放，是一个完整的类，直接调入自己的程序里面使用就可以的。-two-dimensional drawing class, for point, line, triangular, rectangular, oval, round shapes such as drawing, to carry out the zoom, is a complete category, transferred directly inside their use on the can.

对遥感影像信号数据处理，粒子滤波，好用,实践可用-particle

bmp图像读取、保存、显示等基本操作,功能完整，代码可靠。-bmp image to read, preserve, display and other basic operations, full-featured, reliable code.

The demo of the Level Set method

c#开发AE鹰图；利用ARCGIS开发，实践练习后的源代码；来自于ARCGIS ENGINE地理信息系统开发从入门到精通_邱洪钢等(第2版)