Understanding the Whining Noise from Circuit Boards

Understanding the Whining Noise from Circuit Boards

Recently, while debugging a board equipped with an SD card and a LoRa transmission module, I noticed a distinct whining noise when sending data or writing to the storage card. Initially, I thought it was the sound from the LoRa module or the storage card, and I even suspected it might be a circuit connection … Read more

National University of Defense Technology: A New Method for Blade Vibration Parameter Identification Based on Dual-Sensor Full Waveform Analysis and Improved Grey Wolf Optimization Algorithm (IGWO)

National University of Defense Technology: A New Method for Blade Vibration Parameter Identification Based on Dual-Sensor Full Waveform Analysis and Improved Grey Wolf Optimization Algorithm (IGWO)

Introduction The Wenkang Huang team from the School of Intelligent Science and Technology at the National University of Defense Technology published research in Mechanical Systems and Signal Processing, proposing a new method for blade vibration parameter identification based on dual-sensor full waveform analysis and an improved grey wolf optimization algorithm (IGWO). This method does not … Read more