I get confused when there are a lot of zeros/poles in the zero-pole diagram and I find difficulty understanding their frequency response.
I know the following: 1. Complex conjugates cause double peaks at their respective angles. The larger their magnitude, the sharper their peaks.
A single pole causes a peak at its respective angle. The closer it is to the unit circle the sharper the peak in the frequency response.
A single zero causes a dip at its respective angle. The closer it is to the unit circle the sharper the dip.
I am not sure how to deal with zero pole diagrams when they come in bundles as shown below where it is asked to match each zero-pole diagram to its frequency response.
Frequency Response 3 to Zero-Pole Diagram 2
Frequency Response 6 to Zero-Pole Diagram 3