GPS navigator component-is a car navigation system

　　There is not enough GPS system alone. It can only receive data sent by GPS satellites. Calculate the user's three -dimensional position, direction, and motion speed and time information. There is no path computing power. The GPS receiving device in the user's hands requires a complete set of car navigation systems including hardware equipment, electronic maps, and navigation software.

　　GPS navigator hardware includes chips, antennas, processors, memory, screens, keys, speakers and other components. However, from the current situation, the gap between the GPS car navigator in the market is not large. The main difference is concentrated on the built -in software and maps. Here you need to remind everyone to pay attention to what kind of map pre -installed in the navigator is used to be used to it. In fact, this is to confuse the difference between the map and the software. The so -called map is actually just data, and the software is a search engine. How does the huge data integrated in the map of the map are applied by users? How can we reflect in the navigation interface? This must be achieved with the help of software. Therefore, the navigation map cannot be separated from the support of the software. In turn, no matter how good the software system is, if there is no detailed map data, it is busty.

　　To sum up, a complete GPS car navigator is composed of chip, antenna, processor, memory, display, speakers, keys, buttons, expansion function slots, electronic maps, navigation software.

　　To judge the pros and cons of GPS navigator, the number of GPS satellites and path planning capabilities that the navigator can receive is the key. The more effective satellites that the navigator can receive, the stronger the current signal, the more stable the status of the navigation work is. If a navigator often searches for satellites or frequently interrupted signals during navigation affects normal navigation work, then the quality is not to pass the quality and it is not good.

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It is recommended to install at least two GPS locators for risk control practice