Stack Exchange Network

Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Loading…
  1. 0
  2. +0
    • Tour Start here for a quick overview of the site
    • Help Center Detailed answers to any questions you might have
    • Meta Discuss the workings and policies of this site
    • About Us Learn more about Stack Overflow the company
    • Business Learn more about hiring developers or posting ads with us
  3. Log in Sign up
  4. current community

    • Signal Processing
      help chat
    • Signal Processing Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog
Signal Processing
  1. Home
    1. Public
    2. Questions
    3. Tags
    4. Users
    5. Unanswered
    6. Find a Job
    7. Jobs
    8. Companies
    1. Teams
      Stack Overflow for Teams – Collaborate and share knowledge with a private group. Create a free Team What is Teams?
    2. Teams
      What’s this?
    3. Create free Team

Teams

Q&A for work

Connect and share knowledge within a single location that is structured and easy to search.

Learn more
Profile Activity
Network profile
user137927

Reputation

329
  • 329
  • 240
  • 151
  • 2018
  • 2019
  • 2020
  • 2021

Top tag

fourier-transform

Next privilege

500 Rep.
Access review queues

Badges

8
15

Newest

 Notable Question

Next badge

0/1
Critic

Impact

~38k
people reached
0 posts edited
0 helpful flags
18 votes cast
Summary Answers Questions Tags Badges Bookmarks Bounties Reputation All actions

17 Questions

Votes Activity Newest Views
 
0
votes
0
answers
24
views

Is there anyway to find the frequency of DFT eigenvectors (basis) from its eigenvalues?

fourier-transform frequency eigendecomposition
Sep 19 at 10:56 user137927 329
 
1
vote
1
answer
3k
views

How to find out if a transform matrix is separable?

image-processing transform linear-algebra separability
Apr 8 '20 at 11:30 Olli Niemitalo 11.8k
 
2
votes
1
answer
3k
views

Difference between 2$\pi f$ and $\omega$ in Fourier transform

fourier-transform notation
Oct 19 '19 at 6:09 Laurent Duval 26.3k
7
4
votes
1
answer
8k
views

2D Convolution as a Doubly Block Circulant Matrix Operating on a Vector

image-processing convolution matrix
Jan 14 '19 at 17:45 Royi 19k
2
0
votes
3
answers
6k
views

What is the intuition of “averaging is a low pass filter”?

filters lowpass-filter averaging
Dec 28 '18 at 9:44 xxx374562 211
 
1
vote
1
answer
881
views

How to reconstruct signal of its phase and magnitude functions?

signal-analysis fourier-transform phase magnitude
Feb 20 '18 at 13:54 Laurent Duval 26.3k
 
1
vote
1
answer
791
views

Is there any difference between using convolution and correlation for finding edges with Sobel?

filters convolution correlation
Dec 28 '16 at 8:28 ruoho ruotsi 1,575
 
1
vote
1
answer
114
views

Convolution of $f(2x)$ and $g(3x)$

convolution
Dec 22 '16 at 2:14 Peter K.♦ 19.2k
1
2
votes
1
answer
3k
views

Magnitude of function in $z$ domain

z-transform magnitude
Dec 1 '16 at 10:54 msm 3,920
 
0
votes
1
answer
37
views

Difference between Fourier transform of $\left(\frac{1}{3}\right)^{-k}$ with $k\le -1$ and $\left(\frac{1}{3}\right)^{k}$ with $k\ge 1$

discrete-signals fourier-transform
Dec 1 '16 at 9:32 Gilles 3,042
 
0
votes
1
answer
76
views

Why is being jointly WSS important in signal estimation with LMMSE estimator?

filters noise estimation
Nov 30 '16 at 17:28 Atul Ingle 3,896
 
2
votes
2
answers
524
views

What is the Fourier transform of $\delta(t-a)$

fourier-transform comb
Nov 17 '16 at 20:00 QMC 754
1
1
vote
1
answer
811
views

How do derivative masks work for finding edges in image?

filters edge-detection derivative
Nov 15 '16 at 11:15 Laurent Duval 26.3k
 
0
votes
1
answer
636
views

How to shift input for testing shift invariance in a system?

linear-systems
Nov 13 '16 at 15:59 Brethlosze 919
3
2
votes
3
answers
6k
views

Why DTFT coefficients are periodic and why continuous Fourier transform coefficients are not periodic?

discrete-signals fourier-transform continuous-signals dtft
Nov 13 '16 at 5:11 lxg 425
 
1
vote
1
answer
77
views

For image quantization, is it necessary to sample image?

sampling image quantization
Oct 27 '16 at 15:50 Fat32 24.6k
1
0
votes
1
answer
5k
views

Rotating and Shifting image doesn't change FFT2

image-processing fourier-transform
Oct 13 '16 at 13:35 smn 136
Signal Processing
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
  • Mobile
Company
  • Stack Overflow
  • For Teams
  • Advertise With Us
  • Hire a Developer
  • Developer Jobs
  • About
  • Press
  • Legal
  • Privacy Policy
  • Terms of Service
  • Cookie Settings
  • Cookie Policy
Stack Exchange
Network
  • Technology
  • Life / Arts
  • Culture / Recreation
  • Science
  • Other
  • Stack Overflow
  • Server Fault
  • Super User
  • Web Applications
  • Ask Ubuntu
  • Webmasters
  • Game Development
  • TeX - LaTeX
  • Software Engineering
  • Unix & Linux
  • Ask Different (Apple)
  • WordPress Development
  • Geographic Information Systems
  • Electrical Engineering
  • Android Enthusiasts
  • Information Security
  • Database Administrators
  • Drupal Answers
  • SharePoint
  • User Experience
  • Mathematica
  • Salesforce
  • ExpressionEngine® Answers
  • Stack Overflow em Português
  • Blender
  • Network Engineering
  • Cryptography
  • Code Review
  • Magento
  • Software Recommendations
  • Signal Processing
  • Emacs
  • Raspberry Pi
  • Stack Overflow на русском
  • Code Golf
  • Stack Overflow en español
  • Ethereum
  • Data Science
  • Arduino
  • Bitcoin
  • Software Quality Assurance & Testing
  • Sound Design
  • Windows Phone
  • more (28)
  • Photography
  • Science Fiction & Fantasy
  • Graphic Design
  • Movies & TV
  • Music: Practice & Theory
  • Worldbuilding
  • Video Production
  • Seasoned Advice (cooking)
  • Home Improvement
  • Personal Finance & Money
  • Academia
  • Law
  • Physical Fitness
  • Gardening & Landscaping
  • Parenting
  • more (10)
  • English Language & Usage
  • Skeptics
  • Mi Yodeya (Judaism)
  • Travel
  • Christianity
  • English Language Learners
  • Japanese Language
  • Chinese Language
  • French Language
  • German Language
  • Biblical Hermeneutics
  • History
  • Spanish Language
  • Islam
  • Русский язык
  • Russian Language
  • Arqade (gaming)
  • Bicycles
  • Role-playing Games
  • Anime & Manga
  • Puzzling
  • Motor Vehicle Maintenance & Repair
  • Board & Card Games
  • Bricks
  • Homebrewing
  • Martial Arts
  • The Great Outdoors
  • Poker
  • Chess
  • Sports
  • more (16)
  • MathOverflow
  • Mathematics
  • Cross Validated (stats)
  • Theoretical Computer Science
  • Physics
  • Chemistry
  • Biology
  • Computer Science
  • Philosophy
  • Linguistics
  • Psychology & Neuroscience
  • Computational Science
  • more (10)
  • Meta Stack Exchange
  • Stack Apps
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Instagram

site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. rev 2021.4.16.39093

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.