structure

calculates range, discrete time version of "time delay" of 1st peaks from match filters outputs

Indexation 1-1 for image by FFT matlab

频域的模态参数识别方法之一，可以对振动信号进行分析处理，得出结构的固有频率，阻尼比，振型系数，方法很好，程序完整(One of modal parameter identification method in the frequency domain, can the vibration signal analysis and processing, obtain the natural frequencies, damping ratio, mode shape coefficient method is very good, complete procedures)

find roots by search gold metod

parzen window + fish linear discriminant analysis

说明：  拉格朗日插值的MATLAB程序。需要的来下载。(Lagrange interpolation of the MATLAB program. Need to download.)

2ask的调制解调，包括相干解调和非相干解调，并有两者的性能分析(2ask modem, including coherent demodulation and non-coherent demodulation, and performance analysis of both)

MATLAB程序------材料力学简支梁剪力、弯矩及强度校核、截面设计(MATLAB program------ Mechanical Charpy shear, moment and strength check, cross-sectional design)

NCO频率控制字的计算方法，可以应用在数字中频/基带等众多场景。(The calculation is NCO frequency control word ,which can be used in digital IF/baseband algorithms and many other scenes.)

说明：  一段图像处理的高斯高通滤波器的matlab源代码，思路清晰，可以直接运行。(A Gaussian image processing of high-pass filter matlab source code, clear, can run.)