AGuideToTheFFT

求解 今年puzzleup的第三题 !6个平方数的和，不可以表示为5个平方数的和，求最小的这个和 平方数：0 1 4 9...(Solving the third title this year puzzleup! Six square and can not be expressed as the square of the number 5, find the minimum of this and square: 0149 ...)

说明：  用MATLAB模拟界面直观实现嫦娥1号,地球,月球之间的关系.(MATLAB simulation of an intuitive interface with the realization of Chang)

清华大学信号课程第二次实验，内容是基于傅立叶级数的信号分解以及双音频按键音合成(Tsinghua signal course the second experiment, the content is based on the Fourier series of two-tone signal decomposition and synthesis of key tone)

利用双线性Z变换设计巴特沃斯和切比雪夫I型IIR数字滤波器，包括低通、高通、带通、带阻四种形式。使用者只需指定通带、阻带的边缘实际频率及相应的衰减，便可输出数字滤波器 的级联形式的各子系统分子、分母的系数，并输出其幅频和相频响(Bilinear Z transform design Butterworth and Chebyshev Type I IIR digital filters, including low pass, high pass, band pass, band stop four forms. Users simply specify the passband edge frequency stopband actual and corresponding attenuation subsystems can form molecular cascade output digital filter coefficients of the denominator, and the output of its magnitude and phase frequency response)

对比分析lv-music和极化esprit算法q-music算法的估计性能(Comparison of lv-music and Polarization esprit algorithm q-music algorithm to estimate the performance)

code matlab descripteur gist matlab

kruskal算法，是一种最短路径算法的研究，用于研究最短路径(Kruskal algorithm, is one of the shortest path algorithm, the shortest path for research)

Matlab code for KFCM algorithm for segmentation

ics 的malloc实现，采用分离存储，模拟memory的malloc和free等操作。(to realize the molloc and free operation, the lab of ics class)

matlab problem set digital signal processing mitra