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zhenyuxiandepufenxixi
- 正余弦信号的谱分析 数字信号处理方法的一个重要用途是在离散时间域中确定一个连续时间信号的频谱，通常称为频谱分析，-cosine signals are digital signal processing method of spectrum analysis is an important use is in the discrete time domain to determine a continuous-time signal spectrum, commonly referred to
dfrctthesis
- fractional order cosine transform
dct_verilog
- Implementation of one dimensional Discrete cosine transform using verilog for FPGA implementation
112compute-COS
- 用C语言编写的计算一个数的余弦值的函数文件-Calculate the cosine of a number using the C language function file
1-s2.0-S003132031000213X-main
- some fast feature extraction algorithms are addressed for joint retrieval of images compressed in JPEG and JPEG2000 formats. In order to avoid full decoding, three fast algorithms that convert block-based discrete cosine transform (BDCT) into wav
matlab
- 编写M文件，创建如下图形窗口，分别绘制如下图所示的曲线。 （1）曲线y=sin(t)sin(9t)，要求采用红色，点线。横坐标取值范围[0~ ]，标注x轴、y轴并加标题。 （2）一组余弦曲线，其振幅分别为0.4，0.6和0.8。横坐标取值范围[0~2 ]。添加图例与标题。进入图形编辑状态，调整图例的位置。 （3）分别绘制peaks函数的曲面图和网格线图。对曲面图做平滑处理，并添加标题与colorbar。 -Write M file, create th
digital_image_watermarking
- The discrete cosine transform (DC T) represents an image as a sum of sinusoids of varying magnitudes and frequencies. The dct2 function computes the two-dimensional discrete cosine transform (DC T) of an image. The DC T has the property that, f
DCT_image_fusion
- sir i send the source code using direc tional disceret cosine transform .i need the program for image fusion using curvelet transform and brovey transform
Mathematical-Foundation
- Due to the properties of sine and cosine, it is possible to recover the amplitude of each wave in a Fourier series using an integral. In many cases it is desirable to use Euler s formula