unit3

6. Direct form-II realization of discrete-time systems uses less number of ________ than direct form-I realization
8. System whose impulse response consists of infinite number of samples
9. We cannot obtain a _________ sided sequence by long division
10. The range of values of z for which X(z) converges is called
11. For a causal LTI system to be stable, all the poles of H(z) must lie _______ the unit circle in the z-plane
13. The output due to unit sample sequence is called the ________ response of the system
15. System whose output depends on any number of past output values

1. In FIR systems, for linear phase response, the impulse response should be
2. _________ realization used to reduce the number of multipliers for the realization of FIR systems
3. System whose output depends only on present and past input values
4. The structure which uses less number of delay elements
5. For a causal LTI system to be stable, the ROC of the system function must include
7. Z-transform converts difference equations into _________ equations
12. System whose impulse response consists of finite number of samples
14. The DTFT is same as the Z-transform when ‘r’ is equal to