Indoor positioning——UWB ranging and positioning principleWe all know that satellite signals will be seriously affected indoors, which will cause GPS or Beidou to be unable to locate. Therefore, indoor...
[i=s] This post was last edited by zhangyadong300 on 2018-9-27 11:31 [/i] Since I received the module, I have been thinking about which aspects can be more comprehensively evaluated. After seeing the ...
In the "New Energy Vehicle Industry Development Plan (2021-2035)" (Draft for Comments) issued by the Ministry of Industry and Information Technology, it is proposed that by 2025, the sales volume of n...
Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO.
1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In lo...
[size=4]Antennas are widely used in EMC and RF testing and measurement. Commonly used antennas are as follows:[/size] [size=4] [/size] [size=4]1. Biconical antenna:[/size] [size=4] [/size] [size=4]Com...
A: How can I speed up the IO port flipping speed? What determines the IO port flipping speed?The flipping speeds on different platforms vary greatly. Where can I set this?B: gpio_set_value is a system...
Previously, the CHAdeMO Association and the China Electricity Council (CEC) were developing a new global fast charging standard with the support of the Chinese and Japanese governments. The new stand...[Details]
This paper presents grid-based traffic scene perception in autonomous vehicles: a research overview. Grid-based perception is a key area of mobile perception and navigation. Nevertheless, g...[Details]
1. How do you use dry cells, voltmeters, small light bulbs, and wires to design experiments to study the voltage relationship in series circuits? Let's get familiar with it first: (see Figure 1) 2....[Details]
1. What is FFT on an oscilloscope? 2. What problems can FFT on an oscilloscope solve? 3. FFT on an oscilloscope often becomes useless to users. What is the problem? 4. How do we make the spectrum ana...[Details]
1 Introduction
With the application of computer technology and network technology and the popularization of intelligent buildings, it has become an urgent need to use the network to build an intel...[Details]
On March 22, the Qichun County Government of Huanggang City, Hubei Province and Wuxi Xingyi Intelligent Environmental Protection Equipment Co., Ltd. signed a strategic cooperation framework agreement...[Details]
The frequency modulated current source is a current source with variable frequency. ARM controls DDS to output a sinusoidal voltage signal with adjustable frequency and amplitude. The DDS output si...[Details]
It is reported that Tesla is developing a new aluminum alloy with high strength and strong conductivity, which can be used for die-casting electric vehicle parts. It is understood that commercial c...[Details]
1. System Overview
The elevator industry is a special industry. The country has detailed national standards for the design, manufacture, installation and use of elevators. The main parts of ...[Details]
1. Byte Clear 0 Instruction for Accumulator A The function of this instruction is to clear accumulator A to 0. It does not affect flags such as Cy, Ac, and OV. 2. Byte Negation Instructio...[Details]
Apple is studying the use of gear-type hinges to strengthen the screen of the foldable iPhone. These hinges allow the iPhone to fold inward like a book or fold outward to have a wraparound scree...[Details]
There is still some confusion in the industry about the different roles of the three main sensors (camera, radar and LIDAR) in the car and how they each meet the sensing needs of advanced driver assi...[Details]
If we list the "hot words" of China's economy in 2020, the "new infrastructure" that frequently appears on the screen will definitely be among them. This year, the central government has repeatedly...[Details]
To protect the high-speed TMDS lines of HDMI, good ESD protection design is essential. Due to the high speed of HDMI 1.3 and the increasing number of devices using multiple HDMI interfaces, some ne...[Details]
Voltage - Higher supply voltage means greater voltage swings and more emissions, while lower supply voltage affects sensitivity. Frequency - High frequencies produce more emissions, and periodic sign...[Details]
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