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1. Understanding of carrier-based SVPWM
1.1 Theoretical Analysis
The three-phase inverter topology is as follows:
Fig1 Three-phase inverter circuit
Let's try to understand...[Details]
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On the evening of May 15, OnePlus officially released the OnePlus 7 Pro overseas. The phone adopts a true full screen + lifting camera design. Now OnePlus has demonstrated the reliability of the lift...[Details]
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The sleep current of STM32F103R8 and RC in shutdown mode is different. The actual measured value of R8 shutdown mode is 11UA, and the actual measured value of RC shutdown mode is 30uA. I thought it wa...[Details]
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As countries around the world grapple with the COVID-19 pandemic, 2022 is expected to be a year of recovery. In the new year, business travel will gradually pick up, face-to-face meetings of all si...[Details]
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In 2019, the Bluetooth Technology Alliance announced that the new version of Bluetooth core technology launched in January will support the directional function. Before adding the direction-finding f...[Details]
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0 Introduction
Liquid crystal display (LCD) is a thin flat display device, which consists of a certain number of color or monochrome pixels arranged in front of a light source or refl...[Details]
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According to IPO Early News, Tianneng Battery Group Co., Ltd. (hereinafter referred to as "Tianneng Battery") is preparing for listing under the guidance of CITIC Securities (stock code 600030).
...[Details]
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The picture shows Japan's sodium-sulfur battery energy storage power station
Chemical
batteries
have many advantages and should be used in the development of renewable ener...[Details]
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#include
#include macros.h
typedef unsigned char uint8_t;
#define DF_Config_Uart0_BaudRate 9600
//UART0 initialization
// desired baud rate: 9600
// actual: baud rate:9600 (0.0%)
void uart...[Details]
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Since the beginning of LED lighting, non-isolated LED power supplies have gone through three generations of driving methods. The current non-isolated power supplies have the advantages of higher su...[Details]
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ESD
,
EMI
, and
EMC
design are common problems that electronic engineers encounter in design. Electromagnetic compatibility (EMC) refers to the ability of a device or system t...[Details]
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This article describes some of the unique challenges of designing wearable devices and how to optimize power efficiency to reduce size. It covers the importance of operating voltage and how to choo...[Details]
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Several situations of abnormal interrupt return: Important basic knowledge: R15 (PC) always points to the instruction being "fetched", not to the instruction being "executed" Instructions being exe...[Details]
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Shanghai has leading advantages in scale and technology in China's
robot
industry. In 2022, Shanghai's
industrial robot
and
service robot
industries have made great progress...[Details]
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The Oscilloscope of the Future - More Than Just an Oscilloscope Test engineering teams have a very challenging task to accomplish. Engineers are constantly under pressure on test time and test schedu...[Details]