DSP

Discrete Signals

Discrete Time Signals Standard Sequences LTI Systems Convolution Sum Difference Equations Correlation

Z-Transform

Z-Transform Definition Properties of ROC Inverse Z-Transform Transfer Function System Response

DFT & FFT

DTFT Overview DFT Basics Properties of DFT Circular vs Linear FFT Algorithms Computations in FFT Goertzel Algorithm

FIR Filters

Filter Types FIR Characteristics FIR Filter Design Window Functions Kaiser Window FIR Structures

IIR Filters

IIR Basics Impulse Invariance Bilinear Transform Butterworth Filters Chebyshev Filters IIR Structures

Multirate DSP

Decimation Interpolation Sampling Rate Conversion Polyphase Decomposition Filter Banks

Adaptive Filters

Adaptive Filter Basics LMS Algorithm RLS Algorithm Noise Cancellation Echo Cancellation Channel Equalization

DSP Applications

Speech Processing Basics Image Processing Basics Audio Compression Radar Signal Processing

Standard Sequences

Impulse, step, exponential, sinusoidal.

Darshan N

Updated: 19 March 2026

10 min read

Standard Sequences Quiz

Test your knowledge of impulse, step, exponential, and sinusoidal standard discrete-time sequences.

Question 1 of 3

Q1.The unit step sequence u[n] and the unit impulse sequence delta[n] are related. Which expression correctly relates u[n] to delta[n]?

Z-Transform of Standard Sequences

Unit step, exponential, sinusoidal z-transforms.

5 min read

Difference Equations

Describing discrete systems, recursive solving.

6 min read

Correlation

Auto and Cross correlation.

4 min read

Convolution Sum

Linear convolution calculation.

8 min read

LT of Standard Signals

Step, ramp, exponential, sine, cosine transforms.

12 min read

Discrete Time Signals

LTI Systems

Contents