中文说明：delta-sigma的代码用于mat-lab中软件的执行。它是类的赋值，因此，我们必须在mat-lab中以及在仿真中进行赋值。
English Description：
The code for delta sigma is used for the execution of the software in mat-lab. It is an assignment for the class so,we have to do the assignment in simulation as well as the mat-lab.