A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differentialtechnique is given in this peper.
给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。
2
Based on character of signal in TWACS and harmonic in power system, the digital differentialtechnique can detect the TWACS signal and eliminate the integer harmonics effectively.