Options available in Windows 11 for resizing MP4 video files in a batch
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For Windows 11 and resizing MP4 video files in batch, here are your best options: ✅ Option 1: FFmpeg (Recommended – Powerful & Free) Step-by-Step: This will: 🔧 You can…
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Performance comparison for FFT-based correlation of a 1,000,000-sample dataset for variety of computers with different specifications
Here’s a performance comparison for FFT-based correlation of a 1,000,000-sample dataset, using your original reference system (i5-6500, 8GB) and several upgraded configurations, including newer 12th-gen Intel CPUs. ⚙️ Test Overview…
Standalone Python script to generate two synthetic signals and performs FFT-based correlation.
Here’s a standalone Python script you can run on your Linux system later. It generates two synthetic signals, performs FFT-based correlation, and saves the result to a timestamped .npy file…
CPU and RAM Comparison for processing radio astronomy data
The Intel i5-8500 with 16GB RAM will be noticeably faster than the i5-6500 with 8GB RAM for processing radio astronomy data, but the actual performance gain depends on the nature…
astro-all is not a valid package in Ubuntu by default
No, astro-all is not a valid package in Ubuntu by default. If you run: You’ll likely get an error like: Alternatives to astro-all If you’re looking to install a comprehensive…
In Debian and its derivatives (like Ubuntu, Raspbian, etc.), there’s no official meta-package specifically for radio astronomy
In Debian and its derivatives (like Ubuntu, Raspbian, etc.), there’s no official meta-package specifically for radio astronomy. However, you can create a custom meta-package to install a set of radio…
To use GNU Radio for radio interferometry with an SDRplay RSPduo
April 2026: The following is my attempt to work out logic for achieving a successful interferometry experiment. I use this blog as my lab notes, so some of the entries…
To use RSPUno for interferometry
To use RSPUno for interferometry, you’ll need to understand both the hardware configuration and the software/data processing workflow. RSPUno is a system derived from the Radio-SkyPipe software but optimized for…
1950s science fiction magazine
https://www.openculture.com/2024/11/free-356-issues-of-galaxy-the-groundbreaking-1950s-science-fiction-magazine.html
Why a C-band scalar ring cannot be used for 1420MHz Hydrogen line radio work
Using a conical C-band ring on a 1420 MHz (L-band) cantenna is generally not advisable because of the large frequency mismatch, but let’s break it down in detail: 📡 Key Concepts…