Electronic enthusiasts eight o'clock in the morning: Internet of Vehicles, as the core application of the Internet of Things, has become an important project of national science and technology in the "National 12th Five-Year" Science and Technology Development Plan, in automotive electronics, information communication and software solutions. The fields have received the key support of the state. Years ago, the Internet of Vehicles was still struggling in the aftermarket. Now, major auto companies have also seen the huge dividend of the Internet of Vehicles, and they have entered the market of the Internet of Vehicles.
What exactly is the Internet of Vehicles
The vehicle network is based on the in-vehicle network, the inter-vehicle network and the in-vehicle mobile Internet. According to the agreed communication protocol and data interaction standards, wireless communication is carried out between V2X (X can be car, road, pedestrian and Internet). Large system network for information exchange. The Internet of Vehicles is an integrated network that enables intelligent traffic management, intelligent dynamic information services, and intelligent vehicle control.
From the perspective of the entire vehicle networking industry chain, the main body is divided into four sections: end, management, cloud and big data:
The end, that is, the intelligent display mode of V2X interaction, is responsible for collecting and acquiring the intelligent information of the vehicle, and sensing the driving state and environment. The derivatives include smart phones, car navigation, and vehicle-mounted large-screen control.
Management, through the transmission of data to the cloud platform, to solve the problem of interconnection between vehicles and vehicles (V2V), vehicles and infrastructure (V2I), vehicles and clouds (V2C), mainly through network operators Derivatives include network communication sources, mobile data signals, and the like.
The cloud, that is, through the cloud platform, provides cloud services for vehicle scheduling, monitoring, management, data aggregation, and the like.
The big data platform connects the 4S shop, the automaker, the insurance company and the Internet company through integration, calculation and application data, and provides data-based user portraits, marketing strategies and other support services.
Disclaimer : The electronic reprinted works of E-Commerce Network are as far as possible to indicate the source, and all rights of the owner of the work are not transferred due to the reprint of this site. If the author does not agree to reprint, please inform the site to delete or correct it. Reprinted works may be subject to change in title or content.
Signal
Response time refers to the response speed of the Liquid Crystal Display to the input signal, that is, the response time of the liquid crystal from dark to bright or from bright to dark (the time for the brightness from 10%-->90% or 90%-->10%) , Usually in milliseconds (ms). To make this clear, we have to start with the human eye's perception of dynamic images. There is a phenomenon of "visual residue" in the human eye, and the high-speed motion picture will form a short-term impression in the human brain. Animations, movies, etc. to the latest games have applied the principle of visual residue, allowing a series of gradual images to be displayed in rapid succession in front of people's eyes to form dynamic images. The acceptable display speed of the picture is generally 24 frames per second, which is the origin of the movie playback speed of 24 frames per second. If the display speed is lower than this standard, people will obviously feel the picture pause and discomfort. Calculated according to this index, the display time of each picture needs to be less than 40ms. In this way, for the liquid crystal display, the response time of 40ms becomes a hurdle, and the display above 40ms will have obvious picture flicker, which makes people feel dizzy. If you want the image screen to reach the level of non-flicker, it is best to achieve a speed of 60 frames per second.
I used a very simple formula to calculate the number of frames per second under the corresponding response time as follows:
Response time 30ms=1/0.030=approximately 33 frames per second
Response time 25ms=1/0.025=approximately 40 frames per second
Response time 16ms=1/0.016=approximately 63 frames per second
Response time 12ms=1/0.012=approximately 83 frames of pictures displayed per second
Response time 8ms=1/0.008=approximately 125 frames per second
Response time 4ms=1/0.004=approximately 250 frames per second
Response time 3ms=1/0.003=approximately display 333 frames per second
Response time 2ms=1/0.002=approximately 500 frames per second
Response time 1ms=1/0.001=approximately 1000 frames per second
Tip: Through the above content, we understand the relationship between response time and the number of frames. From this, the response time is as short as possible. At that time, when the LCD market first started, the lowest acceptable range of response time was 35ms, mainly products represented by EIZO. Later, BenQ's FP series came out to 25ms. From 33 to 40 frames, it was basically undetectable, and it was really quality. The change is 16ms, displaying 63 frames per second to meet the requirements of movies and general games, so 16ms is not obsolete. With the improvement of panel technology, BenQ and ViewSonic started a speed battle. ViewSonic started from 8ms to 4ms. Released to 1ms, it can be said that 1ms is the final controversy of LCD speed. For game enthusiasts, 1ms faster means that CS's marksmanship will be more accurate, at least psychologically, such customers should recommend the VX series of monitors. But everyone should pay attention to the grayscale response when selling. The text difference in full-color response may sometimes mean the same thing as gray-scale 8ms and full-color 5ms. It is the same as when we sold CRTs before, we said that the dot pitch is .28, LG just I have to say that he is .21, but the horizontal dot pitch is ignored. In fact, the two are talking about the same thing. LG has come up with a sharpness of 1600:1. This is also a conceptual hype. Everyone uses the basic screen. There are only a few companies on the list, and how can only the LG family achieve 1600:1, and everyone stays at the level of 450:1? When it comes to consumers, the meaning of sharpness and contrast is obvious, just like AMD's PR value, which has no real meaning.
Active Matrix Lcd,Active Matrix Tft Color Lcd,Tft Lcd Color Monitor,Tft Lcd Monitor
Shenzhen Newvision Technology Co.Ltd , https://www.newvisionlcd.com