- What is Discrete Time Signals Processing
- What is Convolution in Discrete time signal Processing
- What is Circular Convolution discrete time signal processing
- Problem on Circular Convolution in discrete time signal Processing
- What is Representation of Linear Time Invariant Systems in Discrete time signal Processing
- How to analysis Linear Time Invariant System using Z-Transform method
- What is System Transfer Function in Z-Transform
- What is Pole-Zero Representation of a System in Z-Transform
- Problem No.1 on Pole-Zero Representation of a System in Z-Transform
- Problem No.2 on Pole-Zero Representation of a System in Z-Transform
- What is Significance of Pole-Zero of Transfer Functions
- What is Impulse Response in Discrete Time signal Time Processing
- Problem No.1 on Impulse Response in Discrete Time signal Time Processing
- Problem No. 2 on Impulse Response in Discrete Time signal Time Processing
- What is Frequency Response in Discrete Time Signal Processing
- Problem No. 1 on Frequency Response in Discrete Time Signal Processing
- Problem No. 2 on Frequency Response in Discrete Time Signal Processing
- Problem No. 3 on Frequency Response in Discrete Time Signal Processing
- Problem on Response of Linear Time Invariant System in Discrete Time Signal Processing
- What is meant by Infinite Impulse Response (IIR) System and Finite Impulse Response (FIR) System

- What is Discrete Fourier Transform (DFT) and Discrete Time Fourier Transform (DTFT)
- What is Relation between Discrete Fourier transform (DFT) & Discrete- Time Fourier transform (DTFT)
- Problem on Discrete Time Fourier Transform (DTFT)
- Problem on Discrete Fourier Transform (DFT)
- Problem on DFT using Matrix Method
- What is the Properties of Discrete Fourier Transform (DFT)
- Problem on Properties of Discrete Fourier Transform (DFT)
- What is the Properties of Discrete Fourier Transform (DFT)
- Problem on Properties of Discrete Fourier Transform (DFT)

- What is Fast Fourier Transform (FFT)
- What is 4 Point DIT(Decimation In Time) FFT Graph
- Problem based on 4 Point DIT(Decimation In Time) Fast Fourier Transform (FFT) Graph
- Problem based on 4 Point DIT(Decimation In Time) Fast Fourier Transform (FFT) Graph
- Problem based on 4 Point DIT(Decimation In Time) Fast Fourier Transform (FFT) Graph
- What is 8 point DIT(Decimation In Time) Fast Fourier Transform (FFT) FlowGraph
- Problem No. 1 on 8 point DIT(Decimation In Time) Fast Fourier Transform (FFT) FlowGraph
- Problem No.2 on 8 point DIT(Decimation In Time) Fast Fourier Transform (FFT) FlowGraph
- Problem on DIT(Decimation In Time) Fast Fourier Transform (FFT) FlowGraph

- What is meant by Finite Impulse Response(FIR) in Digital filter
- What is Windowing Technique in Digital Filter
- What are the Types of Windows
- Problem No. 1 on Windowing Technique in FIR Filter
- Problem No. 2 on Windowing Technique Type Two in FIR Filter
- Problem No. 3 on Windowing Technique Type Three in FIR Filter
- Problem No. 4 on Windowing Technique in FIR Filter
- What are Frequency Characteristics of Window Function in FIR Filter
- Problem No. 1 based on Frequency Characteristics of Window Function in FIR Filter
- Problem No. 2 based on Frequency Characteristics of Window Function in FIR Filter
- How to Design FIR Filters using frequency sampling method
- Problem on Design of FIR Filters using Frequency Sampling Method

- What is meant by Infinite Impulse Response (IIR) System in Digital Filter
- What is Impulse Invariance Method in Digital IIR Filter
- Problem 1 on Impulse Invariance Method in Digital IIR Filter
- Problem 2 on Impulse Invariance Method in Digital IIR Filter
- What is Basic formula for Impulse Invariance Method in Digital IIR Filter
- Problem no.1 on Bilinear transformation method in Digital IIR Filter
- Problem no.2 on Bilinear transformation method in Digital IIR Filter
- What is Butterworth filter Approximation
- Problem no.1 on Butterworth Filter Design
- Problem no. 2 on Butterworth Filter Design
- Problem no.3 on Butterworth Filter Design
- What is Chebyshev Filter Approximation
- Problem no.1 on Design of Chebyshev Filter based on Type 1 Chebyshev Filter
- Problem no. 2 on Design of Chebyshev Filter

- What is Realization of Digital Filter
- Problem no.1 on Direct form I in Realization of Digital Filter
- Problem no.2 on Direct form I in Realization of Digital Filter
- What is Direct Form II in Realization of Digital Filter
- Problem no.1 on Direct Form II in Realization of Digital Filter
- What is Realization of FIR Filter
- Problem no.1 on Direct Form Structure in Realization of FIR Filters
- Problem no.2 on Direct Form Structure in Realization of FIR Filters
- Problem no.1 on Linear Phase in Realization of FIR Filter
- Problem no.2 on Linear Phase in Realization of FIR Filter
- What are Frequency Sampling Structure of an FIR Filter
- Introduction to Cascade and parallel realization | Ekeeda.com
- Problem no.1 on Cascade Form in Realization of FIR Filter
- Problem no.2 on Cascade Form in Realization of FIR Filter
- Problem on Lattice Realization of FIR Filters
- How to Design Lattice Structure for IIR Filters
- Explain the Concept of Limit Cycles in IIR Digital Filters | Ekeeda.com
- Problem on how to implement Lattice Structures for IIR Filters

- What is meant by Multirate Signal Processing or Multirate Sampling
- What is step for Sampling Rate Conversion Method in Multi Rate Signal Processing
- What is meant by Down Sampling and Up Sampling
- What is the Frequency Characteristics of Up Sampling and Down Sampling
- What is Decimation in Sampling Rate
- How to Analysis in Z-Domain in Interpolation
- What is Sampling Rate Conversion by a Rational Factor
- How to Design Polyphase Filter
- How to Implement Polyphase Structures
- What is Noble Identity in Multirate Signal Processing
- How to Implement Decimator and Interpolator in Polyphase Filter
- What is Digital Filter Bank
- What is Quadrature Mirror Filter (QMF)
- What is Multistage Implementation of Sampling Rate Converter
- Problem based on Multistage Implementation
- Explain Concept of Sub-Band Coding

- What is Number Representation in Discrete Time Signal Processing (DTSP)
- What is Fixed point and Floating Point Binary Numbers
- Explain Representation of Negative Number System
- What is meant by Truncation and Rounding ?
- What is the Truncation Effect of One's Complement Number
- What are the Sign and Magnitude Representation of Negative Number
- Explain Concept Analysis of Arithmetic Round Off Error
- Explain Concept of Dynamic Range Scaling
- What is Quantization Noise
- Explain Signal-to-Quantization-Noise Ratio
- Explain the Design of Sparse Antenna Array
- What is the Truncation Effect of Two's Complement Number
- Differential Length Area and Volume (Cartesians Co-ordinate System)
- Co-ordinate Systems (X,Y,Z)
- Knowledge Map of Wave Theory and Propagation
- Vector and Vector Algebra

Professor Ashish Shekhar, who has teaching experience in electronics and telecommunications branch of engineering, with highest qualification in M. E.(EXTC). He has been in this field for over eight years and has specialised in teaching subjects like Digital Signal Processing and electromagnetic engineering. He has also mastered subjects like Microwave Engineering, audio processing, radar engineering, advanced Digital Signal Processing. His method of teaching involves problem-based learning so that students can apply these concepts in their real life. His basic motto of teaching is to learn more and to teach better. He is currently working at Vidyalankar Institute of Technology as an assistant professor and he is also a renowned owner of digital content processor. he believes that " a student can learn in a better way and grasp concepts fast, only if the teacher is good and an has innovative ways of teaching. with his great ability to explain complex concepts of his subject in a very easy way makes him unique. under his guidance students can add value to their learning with incredible knowledge. understanding

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