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Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
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TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
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Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
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Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
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Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
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Preface
In people's daily life and work, the amount of electricity consumed by computers is very considerable, so the industry pays great attention to energy saving and consumption reduct...[Details]
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1 Introduction to Oscilloscope
An oscilloscope is a tool used to measure the fluctuation of voltage or current in a circuit. It can reflect the working condition of the device in real time...[Details]
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Hardware road:
Step 1: PCB design, generally for the circuit cutting and expansion of the development board, based on the development board schematic, draw the PCB and package library, and...[Details]
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The power management system of a netbook can be divided into the following parts: 1. Battery charging and management; 2. CPU processor power supply; 3. System 5V/3.3V power supply; 4. I/O and graph...[Details]
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With the significant increase in the use of portable electronic devices such as media players, PDAs, and mobile phones, external power supplies (EPS) or battery chargers have begun to occupy power ...[Details]
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1 Introduction
DC regulated power supplies have been widely used in many industrial fields. In industrial production (such as electric welding, electroplating or DC motor speed regulation,...[Details]
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1 Introduction
Today, with the development of control, computer, communication, network and other technologies, the field of information exchange is rapidly covering all levels from the fa...[Details]
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1 Introduction
The C8051F series single-chip microcomputer is a fully integrated mixed-signal system-level device (SOC) of Cygnal Company. Its CIP-51 core runs at a speed of up to 25 MI/s....[Details]
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As a new generation of video coding and decoding technology, H.264 has excellent compression performance compared with traditional MPEG-2, enabling it to achieve higher-quality video transmission u...[Details]
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Full HD TVs have begun to win the favor of consumers. Currently, LCD TVs larger than 24 or 26 inches can support Full HD, but from a practical point of view, only Full HD TVs larger than 37 inches ...[Details]
MicroPython Open Source section
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