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数学计算 The Spectral Toolkit is a C++ spectral transform library written by Rodney James and Chuck Panaccion
The Spectral Toolkit is a C++ spectral transform library written by Rodney James and Chuck Panaccione while at the National Center for Atmospheric Research between 2002 and 2005. The library contains a functional subset of FFTPACK and SPHEREPACK, including real and complex FFTs in 1-3 dimensions, an ...
其他 This m file analyzes a coherent binary phase shift keyed(BPSK) and a amplitude shift keyed(ASK) comm
This m file analyzes a coherent binary phase shift keyed(BPSK) and a amplitude shift keyed(ASK) communication system. The receiver uses a correlator(mixer-integrator[LPF]) configuration with BER measurements comparing measured and theoretical results. The bandpass and low pass used in the receiver a ...
压缩解压 the attached utility is a work I ve submitted to the university It shows what a jpeg compression is
the attached utility is a work I ve submitted to the university
It shows what a jpeg compression is all about.
the function implements the DCT transform, using a matrix operator.
note that matlab has a function for the DCT and iDCT transforms
that might be more efficient.
数学计算 FFTW, a collection of fast C routines to compute the Discrete Fourier Transform in one or more dime
FFTW, a collection of fast C routines to compute the Discrete
Fourier Transform in one or more dimensions.The fftw/ directory contains the source code for the complex transforms,
and the rfftw/ directory contains the source code for the real transforms.
数学计算 c的快速傅立叶变换程序包
c的快速傅立叶变换程序包，the file FFT.ZIP contains C source code for performing Discrete Fast Fourier
Transforms (DFFTs) and inverse DFFTs.
书籍 Arduino+and+Android+using+MIT+app
MIT App Inventor is an innovative beginner’s introduction to programming and app
creation that transforms the complex language of text-based coding into visual, drag-and-
drop building blocks. The simple graphical interface grants even an inexperienced novice
the ability to create a basic, fully fu ...
论文 wavelet and field forecast verification
Current field forecast verification measures are inadequate, primarily because they compress the comparison
between two complex spatial field processes into one number. Discrete wavelet transforms (DWTs) applied to
analysis and contemporaneous forecast fields prove to be an insightful approach to ve ...