Random Signal Processing: The Matlab Function rand()

Random Signal Processing: The Matlab Function rand()

Random signals cannot be represented by deterministic mathematical relationships and cannot predict their future instantaneous values. Any observation only represents one of the possible outcomes within its range of variation, and its value changes according to statistical laws. It is not a deterministic function of time, and there is no definite function value at any … Read more

Selected Articles from the Journal of Electronics | Can a Battery Last 10 Years? How Low-Power Wide Area Network LoRa Technology is Transforming IoT Connectivity

Selected Articles from the Journal of Electronics | Can a Battery Last 10 Years? How Low-Power Wide Area Network LoRa Technology is Transforming IoT Connectivity

In the era of the Internet of Things, how can we meet the demand for small data and large connections in IoT, allowing massive devices to “last longer and transmit further”? The low-power wide area network (LoRa) technology is becoming a core answer for large-scale IoT! However, existing technologies still face three major challenges in … Read more

How Camera Modules Work

How Camera Modules Work

A camera module is a functional module that integrates components such as an image sensor, lens, and signal processing circuits, used to capture and process image or video information. It is widely used in various fields such as smart homes, intelligent transportation, smart agriculture, and security monitoring. Below is a detailed introduction to its working … Read more

Strategies to Improve Efficiency in Industrial Automation Simulation Technology Using PLC Function Block Diagrams

Strategies to Improve Efficiency in Industrial Automation Simulation Technology Using PLC Function Block Diagrams

Click the blue text to follow! Old Li Talks Technology: PLC Function Blocks Make Automation Debugging Painless 1 The Emergency Repair in the Workshop Last Thursday, the automated production line in the injection molding workshop had another issue. Xiao Wang rushed to find me: “Old Li, the No. 3 injection molding machine has stopped, the … Read more

Focus: The Chinese Aerospace-grade DSP Industry is in the Introduction Phase, Localization of Aerospace-grade DSP is Urgent

Focus: The Chinese Aerospace-grade DSP Industry is in the Introduction Phase, Localization of Aerospace-grade DSP is Urgent

So far, the research on hardware development and software implementation of aerospace-grade DSPs in China, as well as on-orbit data reliability, single-event upset effects, real-time monitoring of functional anomalies, and on-orbit maintenance, is still immature and requires further exploration. DSP (Digital Signal Processor) is a microprocessor chip specifically designed to implement signal processing algorithms. Aerospace-grade … Read more

DSP with Embedded RTOS: The Best Choice for IoT

DSP with Embedded RTOS: The Best Choice for IoT

The rapid development of the Internet of Things (IoT) has exceeded the imagination of almost everyone, with thousands of devices connecting to the network every day. In the face of such enormous market demand, traditional technologies have long been overwhelmed, while the new generation of digital signal processing (DSP) requires higher computational power and lower … Read more

How to Implement Digital Filtering Algorithms in Microcontrollers? (With Code)

How to Implement Digital Filtering Algorithms in Microcontrollers? (With Code)

ID: Technology Makes Dreams GreaterCompiled by: Li Xiaoyao The main function of a microcontroller is to control peripheral devices and achieve certain communication and data processing.However, in certain specific situations, mathematical operations are inevitably required, even though microcontrollers are not adept at implementing algorithms and performing complex calculations.This article mainly introduces how to implement digital … Read more

Steps and Code for Digital Beamforming in MATLAB

Steps and Code for Digital Beamforming in MATLAB

Digital Array Radar (DAR) is a product of modernizing traditional array radar using digital technology. It employs digital beamforming technology, digital reception and processing technology, large-scale integrated circuit technology, and microprocessor technology, significantly enhancing the radar’s performance and functionality.The basic principles of digital array radar mainly include digital beamforming and digital reception processing:Digital Beamforming: refers … Read more

Essential Guide for Test Engineers: How to Test ADCs and DACs?

Essential Guide for Test Engineers: How to Test ADCs and DACs?

Today, numerous applications rely on Digital-to-Analog Converters (DACs) and Analog-to-Digital Converters (ADCs). They are crucial in signal processing as they bridge the gap between digital systems and analog systems. By enabling digital circuits to interact with analog components, ADCs and DACs play a key role in fields such as audio processing, telecommunications, and data acquisition … Read more

A Discussion on Embedded AI Technology | The Role of Feature Space on the Edge

A Discussion on Embedded AI Technology | The Role of Feature Space on the Edge

Author: Andrew Su Yong As an AI technology expert at a globally renowned semiconductor company, I often receive inquiries from clients about machine learning algorithms when introducing Renesas’s AI hardware and AI tools, such as convolutional neural networks, K-means algorithms, or other algorithms. However, the reality is that during the process of building AI solutions, … Read more