Electric energy metering is an important part of modern power marketing system. Traditional electricity settlement relies on manual data collection on site at regular intervals, which has many shortco...
I opened the task manager and found that most of the system processes were in uppercase. Many friends on the Internet said that this is not a problem. But I always feel uncomfortable. However, every t...
The following error occurs when ld is loading: relocation value does not fit in 24 bits ld error:error loading file The error code printed by printerrno is: s_objlib_obj_id_error Please help, what is ...
Hello everyone, I have a problem at work, which I have not been able to solve for several months. Please help me with some ideas. What I want to do now is to communicate between PDA and PC. Under norm...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
If the ultimate form of a car is a silicon-based life form, then in
the field of
intelligent driving
, it has gradually taken on the appearance of a "veteran driver." In
the field of
the ...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
The drive shaft is the shaft in a universal joint that transmits power. As a high-speed, low-support rotating body, its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing...[Details]
While aberration theory is a vast subject, a basic understanding of some fundamental concepts can make it easier to understand: spherical aberration, astigmatism, field curvature, and chromatic abe...[Details]
Modern automotive electronics have entered a new phase of fundamental change and advancement, evolving from the application of electronic components to in-vehicle electronic systems. Sensors are on...[Details]
01 Introduction
The SINAMICS V20 inverter controls three-phase AC asynchronous motors. Depending on the size (frame sizes FSA to FSD), the power range of the three-phase AC 400V inverter cover...[Details]
The World Conference (WC 2025) recently opened in Shanghai. This year's event, covering over 70,000 square meters for the first time, attracted over 800 exhibitors, showcasing large models, AI term...[Details]
On August 18, according to a report by Xinbang, China's leading EDA company HuaDa JiuTian will launch this month (August 2025) China's only full-process storage EDA solution that can support ultra-...[Details]