There are many ways to generate digital phase-shifted signals. The traditional direct digital frequency synthesis (DDS) phase-shifting principle is to first digitize the sine wave signal and form a da...
I want to make an application for a smartphone. After looking at the programs written by others, I feel that the codes are very messy, inefficient and difficult to maintain. Since I just switched from...
I wrote a serial port program based on the CCESeries class given in "EVC Advanced Programming and Its Application Development". The view class uses formview. When running under the simulator, as long ...
STC89c54RD+ defines array xdata a[18] _at_ 0x001d; I can change its value with the keyboard, but after powering on, its value changes randomly. I would like to ask you how to ensure that its value is ...
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
When discussing autonomous driving technology, there are often two extremes: on the one hand, there's the vision of "fully autonomous driving," while on the other, there's concern about potential s...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
Plug-in hybrid vehicles (PHEVs) utilize two powertrains. Their pure electric range is typically inferior to that of pure electric vehicles, often reaching less than half that. Currently, mainstream...[Details]
Most cameras on the market use chips manufactured by Japanese companies like Sony, Sharp, Panasonic, and LG. South Korea now has the capability to produce chips, but the quality is somewhat inferio...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
This new standardized, pre-integrated computing platform is designed to accelerate chip development, reduce development costs, and provide scalable software to power the AI-defined car.
...[Details]
With the rapid development of the automotive industry, automotive requirements for control, communication, and network management are becoming increasingly stringent. Hardware platforms based on 32...[Details]
introduction
In the context of the comprehensive development of the Internet of Things (IoT) technology under the "Perceiving China" initiative, "Perceiving Mines" is a crucial component of Ch...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]
2025 World Expo
On August 10, 2025, Beijing—themed "Making Robots Smarter, Making Bodies More Human," the 2025 World Robot Expo opened grandly at the Beijing Beiren Yichuang International Exhi...[Details]
On August 14, Chinese researchers broke through the bottleneck of energy density and application performance of existing traditional lithium-ion batteries and developed soft-pack batteries with an ...[Details]
In recent years, portable electronic devices such as mobile phones, digital cameras, music players, tablets, ultrabooks, and laptops have become almost a necessity, raising safety concerns. Besides...[Details]