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Modeling crack growth in a traditional finite element framework is a challenging engineering task. Originally the finite element framework was modified to accommodate the discontinuities that are caused by phenomena such as cracks, inclusions and voids. The finite element framework is not well suited for modeling crack growth because the domain of interest is defined by the mesh. At each increment of crack growth, at least the domain surrounding the crack tip must be remeshed such that the updated crack geometry is accurately represented.

system controllable canonical form

Round Numeric array element values to IEC 60063 (E-Series) component values.

四阵元理想情况下情况下，来波方向为30度时，各阵元波形( Smart Antenna beam-forming)

Entropy is a thermodynamic property that can be used to determine the energy available for useful work in a thermodynamic process, such as in energy conversion devices, engines, or machines. Such devices can only be driven by convertible energy, and have a theoretical maximum efficiency when converting energy to work. During this work, entropy accumulates in the system, but has to be removed by dissipation in the form of waste heat.

matlab数字信号处理的总结，这可是好东西！(singal process!)

and describe and describe and describe

2014年出版的大规模MIMO原版书籍 Chockalingam A., Rajan B.S.-Large MIMO Systems-CUP (2014)(Chockalingam A., Rajan B.S.-Large MIMO Systems-CUP (2014))

有关于多项式/曲线拟合的一些例题代码，一共有7个*.m文件(There polynomial/curve fitting some examples of code, a total of 7*. M file)

Using spectra to calculate strength of reflections and losses in passive cavities.The wavelength, reflection spectrum and transmission spectrum should be in the first 3 columns of an Excel file, which is selected when the cavity.m Matlab file is run. (Using spectra to calculate strength of reflections and losses in passive cavities.The wavelength, reflection spectrum and transmission spectrum should be in the first 3 columns of an Excel file, which is selected when the cavity.m Matlab file is run.)