Consider the system
![914_2b3d0045-e1d7-46c0-9ba5-9d81ecde1c60.png](https://secure.tutorsglobe.com/CMSImages/914_2b3d0045-e1d7-46c0-9ba5-9d81ecde1c60.png)
Use pole-zero matching to determine a digital filter approximation with a sampling period of T = 5 0.1. Verify that not including a digital filter zero at unity results in a time delay by comparing the unit step response for the matched filter with and without a zero at - 1.