1·According to the PCB board design of the SCM system, general it includes the components' selection and layout, assigning wires, ground wires design, wave filtering and shielding design, etc.
围绕单片机系统PC B板的电磁兼容设计，常规应包括元器件的选择和布局、布线、地线系统、滤波和屏蔽的设计等等。
3·Experiments prove that the algorithm has a strong robustness to resist wave filtering, JPEG compression and ordinary geometric attack.
大量实验表明，本算法对抵抗各种滤波、JPEG压缩以及一些几何攻击具有较强的稳健性。