Year: 2025

Wearable Piezoelectric Airflow Sensor for Human Respiratory and Metabolic Monitoring

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Wearable Piezoelectric Airflow Sensor for Human Respiratory and Metabolic Monitoring

According to MEMS Consulting, researchers at The University of Manchester have proposed a simple and cost-effective method for monitoring respiratory function and metabolic rate using a wearable piezoelectric airflow transducer (WPAT). The researchers designed a self-protecting bending sensor by bonding two uniaxially stretched piezoelectric poly-L-lactic acid films cut at different angles, and then installed the … Read more

Overview of Major Global Industrial Sensor Manufacturers (Domestic Edition)

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Overview of Major Global Industrial Sensor Manufacturers (Domestic Edition)

Compared to advanced countries, China’s sensor technology lags behind by 10 years in research and development and 15 years in production technology. In recent years, key laboratories for sensor technology, micron/nano technology, and robotics have been established, laying the groundwork for the sensor industry. Currently, there are 1,688 companies in China engaged in the production … Read more

Restoration of Disassembled Code for Non-Power-of-Two Divisors

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Restoration of Disassembled Code for Non-Power-of-Two Divisors

This article is a highlight from the Kanxue Forum. Author from Kanxue ForumID: TkBinary Table of Contents Series Articles 1. Supplementary Mathematical Knowledge 1.1 Introduction 1.2 Fractions 1.2.1 Fraction Addition 1.2.2 Fraction Multiplication 2. Division Optimization for Signed Non-Power-of-Two 2.1 Advanced Code and Disassembly 2.2 Restoration of Non-Power-of-Two Division 2.3 Optimization and Principles for Non-Power-of-Two … Read more

A Guide to the Classics: Compilation of Recent Exam Questions on “Journey to the West”

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A Guide to the Classics: Compilation of Recent Exam Questions on "Journey to the West"

1．【2023·Guangdong·Unified Exam Questions】 The following options regarding the plot of “Journey to the West” all mention the moment when Tang Seng recites the “Tightening Spell” to Sun Wukong, which is () A．The Four Saints Test Zen Heart, Three Strikes of the White Bone Spirit B．Three Strikes of the White Bone Spirit, True and False Monkey … Read more

Analysis of the 2024 National English Exam Compilation: Verbs

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2024 National English Exam Compilation Practice: Verbs 1. (• Heilongjiang) Though she often makes her little brother ______, she was made ______ by him this morning. (　　) A. cry; to cry B. to cry; cry C. cry; cry 【Key Point】 Main verbs. 【Analysis】 Although she often makes her little brother cry, this morning she was … Read more

Ten Discussions on High-Performance Network Programming in Linux | 9 Open Source C++ Network Frameworks

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Ten Discussions on High-Performance Network Programming in Linux | 9 Open Source C++ Network Frameworks

Continuing from the previous article “Ten Discussions on High-Performance Network Programming in Linux | C++11 Implementation of 22 High-Concurrency Models”, many are interested in various Server implementations in C++. Therefore, I have compiled a list of high-performance open-source network frameworks I have encountered over the years, based on 9 <span>C++</span> network frameworks to implement an … Read more

Linux Kernel Zero-Copy: The Art of Efficient Data Transfer

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Linux Kernel Zero-Copy: The Art of Efficient Data Transfer

“Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.” — Antoine de Saint-Exupéry In 1991, when Linus Torvalds hammered out the first lines of Linux kernel code in his Helsinki University dorm room, he couldn’t have imagined that his “hobby project” would become the … Read more

Installation Script for Baota Linux Panel 9.6.0

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Installation Script for Baota Linux Panel 9.6.0

After connecting to your Linux server using an SSH client such as PUTTY, mount the disk and execute the corresponding command to start the installation: Universal Installation Script: if [ -f /usr/bin/curl ];then curl -sSO https://bt.wosow.top/install/install_panel.sh;else wget -O install_panel.sh https://bt.wosow.top/install/install_panel.sh;fi; bash install_panel.sh The clean version removes the mandatory binding of the Baota account and strips … Read more

Deploying an ElasticSearch Cluster in a Linux Environment

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Deploying an ElasticSearch Cluster in a Linux Environment

Introduction Environment Cluster Installation and Deployment First Machine Second Machine Third Machine Change the owner and group of the elasticsearch directory Switch to the es user and start the es on all three machines Cluster Startup Verification Restart the three nodes in sequence Verification es Cluster Authentication x-pack Authentication Reference Documents Introduction ❝ This article … Read more

Setting Up an Embedded Linux Environment on RK3568

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Setting Up an Embedded Linux Environment on RK3568

1. Background To develop an embedded Linux application based on the MPU, it is necessary to configure the cross-compilation toolchain and port uboot + kernel. Development Environment: Windows 11 + VM16 + Ubuntu 16 2. Installation Steps 2.1 Install VMware 16 2.2 Install Ubuntu System ubuntu-16.04.5-desktop-amd64.iso 2.3 Install VMware Tools Shared Folder sudo vmhgfs-fuse .host://mnt/hgfs … Read more