Basic knowledge of base station antennas and network applications
1. Antenna system and base station antenna composition
2. Antenna performance indicators
3. Antenna performance index test
4. Applicat...
Scanning tunneling microscope (STM) may sound unfamiliar at first.
But its status in the scientific community is extraordinary - it allows humans to observe the local structure image of the surface la...
When I convert AD to gerber file and import it into CopperCam, the imported circuit diagram is wrong. The circuit diagram imported by CopperCam is not the circuit diagram drawn by AD. Can any expert s...
[i=s]This post was last edited by joneywei on 2018-10-11 14:50[/i] [align=left]I have received the demo board for many days, but I have not tested it. Many people in the forum have already tested it, ...
[i=s]This post was last edited by jinglixixi on 2021-9-25 13:15[/i]The ESP32-Audio-Kit audio development board, together with the library file FastLED.h, can easily control the display effect of the W...
Huawei spent 1 billion pounds to build a research and development base near Cambridge, England, in 2018. It spent 37 million pounds just to buy the land, hoping to use it as its international headqua...[Details]
Abstract: This paper compares and analyzes several new and widely used methods in active power filter (APF) control, such as space vector optimal control, fixed frequency hysteresis current control...[Details]
1. For the safety of the instrument operator and the instrument, the instrument should work normally within the safe range to ensure accurate waveform measurement, reliable data, and reduce external n...[Details]
Kay Hall Solar's Holaniku installation, Big Island of Hawaii.
Hawaii is well positioned to lead the future of solar and energy storage, and it already generates more solar powe...[Details]
introduction
In recent years,
LED lighting
products have attracted more and more attention from people all over the world for their low power consumption, long service life, high bri...[Details]
The conversion rate of a photovoltaic inverter refers to the efficiency with which the inverter converts the electricity generated by the solar panel into electricity. In a photovoltaic power generat...[Details]
The 20th Intelligent Transportation Systems World Congress was held at Tokyo Big Sight from October 14 to 18, 2013. Panasonic demonstrated a 79GHz band millimeter wave radar that can distinguish ...[Details]
I made 2 mistakes at the beginning;
1: When sending the online command AT, the interrupt receiving function, RsBuf =SBUF;
The RsPoint in should be set to zero.
2: In the serial port interrupt fun...[Details]
Today, Xiaomi announced some parameters of the Xiaomi Mi 12 series screen. Officials said that the phone screen has obtained the DisplayMate A+ grade and is also the first phone to obtain 15 new scre...[Details]
With the advancement of integrated circuit manufacturing technology, people have been able to manufacture integrated circuits with quite complex circuit structures, high integration and various functi...[Details]
In the information society, security chips designed based on cryptographic algorithms can provide effective confidentiality and integrity protection for users' sensitive information. The continuous...[Details]
Next, we will use the MF47 multimeter to introduce the structure of the pointer multimeter. The MF47 multimeter is a highly sensitive, multi-range portable rectifier meter that can measure basic it...[Details]
Anti-interference measures in inverter applications: The interference of inverters in applications mainly manifests itself in: high-order harmonics, noise and vibration, load matching, heating and...[Details]
According to foreign media reports, on April 28 local time, Imagry announced a partnership with AutonomouStuff to incorporate its technology into AutonomouStuff 's leading autonomous driving technol...[Details]
Intelligent driving development trend
Autonomous driving technology is divided into multiple levels, and different organizations have proposed multiple grading standards. Currently, the two co...[Details]
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