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Four steps are required to select car navigation

Four steps are required to select car navigation

2019-06-05

Its hardware facilities, hardware can determine the soul of car navigation, its positioning system, whether it has a very good GPS chip, the chip determines its value, if the chip is not so good, the value of car navigation is very common.

The basic principle of car navigation

The basic principle of car navigation

2019-06-05

Car satellite navigation systems rely on the Global Positioning System (GPS) to determine the location of the car. At its most basic, GPS needs to know the longitude and latitude of the car. In some special cases, GPS also needs to know the altitude to accurately locate. With these three sets of data, the accuracy of GPS positioning can often reach 2 to 3 meters.

Car Bluetooth sound quality is not good, what improvements?

Car Bluetooth sound quality is not good, what improvements?

2019-06-05

When you are bored on the road, you can connect to the blue song with your mobile phone, which is convenient and comfortable. However, the riders may find that the car Bluetooth sound quality is not very good, sometimes the signal is not good, people can not fully enjoy the wonderful music. What should I do when I want to improve the sound quality? There are three solutions below.

How does the car display the future? Big screen technology is becoming a trend?

How does the car display the future? Big screen technology is becoming a trend?

2019-06-05

At present, the car display market has a very obvious feature: intelligent technology and a large screen. From Tesla, to BYD, to new forces. The car's central control large screen seems to be a standard for the moment, which actually implies a development trend of the car display: large screen, technology. What I want to say here is the technology that we see in science fiction movies like projection display. It's just that the projection display in reality can only see the above content, and ca

Car audio material classification introduction

Car audio material classification introduction

2019-06-05

Introduction to car audio knowledge-Features-Classification articles: The article mainly introduces the related knowledge points of the manufacturing materials of car audio materials, the setting of tweeters, the characteristics of woofers and so on.

The correct operation method of the car LED display is like this

The correct operation method of the car LED display is like this

2019-06-05

Many people have damaged the on-board LED display due to improper operation. The result is that they spend a lot of money to change screens or repair screens. Why is it not working correctly? That's because most people take it too seriously and feel that there is no technical difficulty and operate according to their own methods.

What is the difference between stereo and surround sound for car audio?

What is the difference between stereo and surround sound for car audio?

2019-06-05

oday, many Mercedes-Benz, BMW and other high-end cars, the number of speakers on the original car is very large, and the layout is in different places. The average model is controlled by the manufacturer to control the cost of the whole vehicle. There are usually only four speakers on the car. The sound field is chaotic, the distance between different speakers is different, and the sound size is unbalanced. The layout of many speakers in the high-end models is to prevent this sound size. The sou

You have to know the tips of car LED display cleaning

You have to know the tips of car LED display cleaning

2019-06-05

The car LED display comes out every sunrise, and the sunset returns. Every day, the screen does not know how much dust, mud and other substances will be contaminated. In order to ensure the publicity effect, drivers and friends are required to regularly clean and maintain the LED display screen in daily life, which not only has a neat appearance, but also prolongs the service life of the on-board LED display and improves the quality of use.

What are the system functions of car navigation?

What are the system functions of car navigation?

2019-06-05

Each part of the vehicle positioning navigation system is composed of: (1) electronic map capable of navigation (2) search and processing of map data (3) positioning module (4) map matching ratio (5) prescribed walking path (6) path guiding (7) ) Map real-time display module (8) Human-computer interaction interface (9) Wireless communication.

Seven ways to identify the quality of LED transparent screen

Seven ways to identify the quality of LED transparent screen

2019-06-05

LED transparent screens have been sold in full swing, LED transparent screen manufacturers have also been from a few to the present everywhere, how to judge the LED transparent screen is good or bad? Some people say that through the appearance can roughly judge the quality of the box, is this true?

These seven methods can improve the cooling effect of LED display

These seven methods can improve the cooling effect of LED display

2019-06-05

LED display will generate heat during use, especially for outdoor LED display. Because the environment used for it requires very high brightness, it should be above 4000CD, so the heat generated is very large. In practical applications, the LED display is improved. The heat dissipation not only effectively improves the efficiency of the heat dissipation of the LED display, but also saves the power, and is more conducive to improving the service life of the LED display and ensuring the display ef

Car audio and video function classification

Car audio and video function classification

2019-06-04

Car audio began to appear as early as fifty years ago. Up to now, it has evolved from the original car radio to a comprehensive multimedia in-vehicle electronic system that integrates audio-visual entertainment, communication, navigation, assisted driving and other functions, and has become an indispensable part of the car.Car audio mainly includes car CD, car VCD, car DVD, car amplifier, equalizer, car cassette player, car display, and other car audio and video. The mainframe is the most import

DVD-MP3