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

RLS Algorithm

Recursive Least Squares overview.

Darshan N

Updated: 19 March 2026

7 min read

RLS Algorithm Quiz

Test your understanding of the Recursive Least Squares adaptive algorithm.

Question 1 of 3

Q1.In the RLS algorithm, the forgetting factor lambda (λ) is typically chosen in the range (0, 1]. What is the effect of setting λ = 1?

Adaptive Filter Basics

Concept of adjustable coefficients.

4 min read

Goertzel Algorithm

Tone detection efficiency.

6 min read

Channel Equalization

Removing ISI in comms.

6 min read

FFT Algorithms

Radix-2 DIT and DIF algorithms.

10 min read

Echo Cancellation

Removing echo in telecommunications.

12 min read

LMS Algorithm

Noise Cancellation

Contents