https://sudonull.com/sdr-gps-on-stm32-processing-without-asic
Create an SDR GPS receiver on STM32F4 with MAX2769. Bitwise XOR instead of multiplication, DMA capture 16 MHz. Guide for embedded developers. Study the code.
Search Articles — Sudonull
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In this project
https://sudonull.com/fourier-in-mp3-jpeg-wi-fi-signal-decomposition
Learn how the Fourier transform underlies compression in MP3, JPEG, OFDM in Wi-Fi and MRI. Technical details of FFT, code and examples for developers. Understand the principles.
https://sudonull.com/mathematics-of-musical-scales-for-developers-basics-of-sound-processing
How Pythagorean comma and group theory influence modern audio codecs. Analysis of tempering algorithms for IT specialists. Learn the basics of digital sound processing.
https://sudonull.com/nees-nis-diagnosis-of-kalman-filters-under-nonlinearity
Comparison of KF, UKF and Particle Filter under Non-Gaussian Noises and Nonlinear Dynamics. NEES and NIS Metrics for Filter Consistency Assessment.
https://sudonull.com/robust-vb-ukf-for-gps-urban-canyon-outliers
Discover how Variational Bayes UKF with Student's t-distribution slashes GPS positioning errors in urban canyons by over 50%. Learn robust sensor fusion techniques for reliable navigation—explore simulations and code safeguards now.
From other projects
https://ymaho.com/saylor-s-bitcoin-buy-signal-strategy-analysis
Analyzing Michael Saylor's Sunday Signal: BTC purchase before the post, MSTR stock sale, shareholder dilution, and Strategy's hidden crisis. Read the analysis.
https://ymaho.com/ecb-signal-of-rate-cuts-eurozone-economic-weakness
Analysis of possible ECB rate cuts amid stagflation, GDP decline, and geopolitical pressure. Who will win and lose from the policy shift? Read the detailed review.
https://ymaho.com/evacuation-in-lebanon-signal-for-oil-options-and-markets
Israel evacuates 10 villages in southern Lebanon before strikes. How this affects Brent oil, options, and global markets. Analysis for traders.
https://ymaho.com/australia-inflation-4-2-bearish-signal-for-aud
The Reserve Bank of Australia recorded a slowdown in inflation to 4.2%, but core inflation updated its high. Analytics for investors: why this is not a reason for optimism and what will happen to AUD. Read more.
https://ymaho.com/fed-kept-rate-at-5-5-hawkish-signal-and-waller-s-course
Analysis of the Fed's decision on the rate of 5.5%, hawkish signal, new course of Kevin Waller, impact on the dollar, Treasury yields and markets. Read details.
https://ymaho.com/fed-keeps-rate-at-5-5-signal-for-a-hike-in-july
Fed left rate at 5.5% but hinted at July hike. Analysis of hidden inflation, market reaction, and forecasts. Read details.
https://ymaho.com/fed-kept-rate-at-5-5-hawkish-signal-and-2026-risks
Fed left rate at 5.5% and signals hike. Analysis of the June 12, 2026 decision: hidden panic, winners and losers, PCE and market forecast. Read more.
https://ymaho.com/dollar-updates-yearly-highs-hawkish-fed-signal-and-peace-with-iran
Analysis of DXY index rise to yearly peak: hawkish Fed reversal by Warsh, peace agreement with Iran, and hidden risks for the dollar. Forecasts and scenarios for investors.
https://ymaho.com/dollar-exchange-rate-70-95-rubles-why-this-is-an-alarming-signal
The official dollar exchange rate fell to 70.95 rubles. Find out why the ruble's strengthening is a trap for the economy and what will happen to the currency next. Read the analysis.
https://ymaho.com/trump-s-deal-with-iran-wsj-criticism-as-a-signal-to-buy-oil
Analysis of criticism of Trump's deal with Iran from WSJ and Republicans. Brent oil forecast and hidden factors for traders. Read more.
From the web
Signal >> Download Signal
https://signal.org/download/
Download Signal for Android, iOS, Linux, macOS, and Windows.
Signal >> Home
https://signal.org/
State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either.
Signal (software) - Wikipedia
https://en.wikipedia.org/wiki/Signal_(software)
Signal is now developed by Signal Messenger LLC, a software company founded by Moxie Marlinspike and Brian Acton in 2018, which is wholly owned by a tax-exempt nonprofit corporation called the …
Signal Private Messenger - Download and install on Windows
https://apps.microsoft.com/detail/xp89119p9f2pcq
Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your chats and calls completely private.
Signal Private Messenger - Apps on Google Play
https://play.google.com/store/apps/details?id=org.thoughtcrime.securesms&hl=en
Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private.
Signal - Private Messenger - Apps on Google Play
https://play.google.com/store/apps/details?id=org.thoughtcrime.securesms&hl=en-GB&gl=za
Jul 13, 2026 · Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private.
What is Signal? The private chat app is only private if you use it ...
https://www.cnn.com/2025/03/25/tech/how-to-use-signal-app-privacy-encryption
Mar 25, 2025 · Unlike other popular messaging apps, Signal is operated by a non-profit called the Signal Technology Foundation rather than a for-profit tech giant like Meta, which owns popular messaging …
What Is Signal, and Why Is Everyone Using It? - How-To Geek
https://www.howtogeek.com/708916/what-is-signal-and-why-is-everyone-using-it/
Mar 4, 2022 · Signal is a secure encrypted messaging app. Think of it as a more private alternative to WhatsApp, Facebook Messenger, Skype, iMessage, and SMS. Here's why you should seriously …
Download Signal App for Android, iOS or Desktop - Latest version
https://aboutsignal.com/download/
Download Signal app for Android, iOS, iPhone, iPad, iPod Touch, or Desktop for free! Get the latest version of Signal Messenger.
Signal - Download
https://signal.en.softonic.com/
Jun 22, 2026 · When your concern is about businesses encoding or keeping track of your information, Signal keeps your conversations completely confidential. This is because of their end-to-end …
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