Fireflies Blog

An in-depth look at 2D acoustic wave propagation, exploring the angular spectrum method, propagation operators in frequency and spatial domains, and single-slit diffraction.

A comprehensive reference sheet of basic matrix operations, algebraic properties, and determinant formulas.

Generative modeling has seen a paradigm shift from the stochastic nature of Diffusion Models to the deterministic elegance of Flow Matching (FM). While Diffusion Models rely on reversing a noise-adding SDE, Flow Matching simplifies the problem by learning a velocity field that pushes a simple noise distribution toward the data distribution along a smooth path.

Diffusion models have recently taken the generative AI world by storm, powering state-of-the-art systems like DALL-E 2, Imagen, and Stable Diffusion. Unlike GANs or VAEs, diffusion models work by gradually adding noise to data and then learning to reverse this process.

PostgreSQL is a powerful, open-source object-relational database system with over 35 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance. This guide will walk you through the installation on Ubuntu, basic configuration, and setting up a management tool.

IntroductionFRP (Fast Reverse Proxy) is a high-performance reverse proxy application that allows you to expose a local server behind a NAT or firewall to the internet. It is particularly useful for...

A comprehensive formula sheet for electro-acoustical engineering, covering fundamental wave parameters, wave equations, acoustic impedance, power, intensity, and spatial modulation.

The world of robotics and automation hinges on effective control systems. Whether it’s a drone landing precisely on a moving platform, a chemical plant maintaining a perfect reaction temperature, or a complex spacecraft navigating the cosmos, controllers are the brains that manage system dynamics. PyController is an open-source Python library designed to provide a cohesive framework for implementing, testing, and comparing cutting-edge control algorithms across diverse simulation environments.

When you need a quick, high-performance, read-only file server on a Linux machine, Nginx is often the best solution. It’s stable, fast, and remarkably simple to configure for serving static content and directory listings.

The paper introduces a locally deployable tool that uses fine-tuned language models (T5-mini) and generative 3D frameworks within Blender to simplify the creation of complex 3D environments via a chat interface, significantly reducing the modeling complexity required for Radio Radiance Field (RRF) reconstruction in wireless research.