It can be directly calculated multi-fractal spectrum, Can dynamically adjust the parameters of the operating environment, Computation Method D phononic bandgap plane wave.

Based on piecewise nonlinear weight value Pso algorithm, Computation Method D phononic bandgap plane wave, Dimensional phononic crystals FDTD method calculation examples band gap.

Computation Method D phononic bandgap plane wave, To achieve the recognition of 10 digital sound, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.