At the end of last year, the basic system of Beidou-3 was completed and began providing global services. This marks the expansion of the service scope of the Beidou system from regional to global, and the Beidou system has officially entered the global era. Our country's positioning system is 24 years later than the United States. Although our country's research is relatively late, it has developed rapidly, and our Beidou navigation system has always maintained a leading level. Up to now, our country has 46 satellites. These satellites can greatly improve the positioning accuracy and efficiency range of the Beidou navigation system.

　　According to our understanding, the Beidou positioning system uses three frequency signals, and the GPS we use in daily life is a two frequency signal. Many people are particularly curious about this, as China already has a Beidou navigation system. Beidou has served countries such as Russia, Myanmar, Laos, Cambodia, Thailand, Indonesia, Pakistan, Kuwait, Algeria, Uganda, and has gained good reputation. Beidou has joined international organizations such as civil aviation, maritime, and mobile communication, and the International Civil Aviation Organization has approved the Beidou satellite based enhanced service trademark identification number and standard time identification number. Why are we still using GPS from the United States?

　　In fact, there are many reasons for this situation. The first one is that the promotion is not in place, and many people are misled by mobile phones. Many mobile phones in our country have BeiDou systems, but these systems are not explicitly stated to users. Additionally, we use the BeiDou navigation system, but some of its standards are similar to GPS. At this time, many people will have the illusion that they are using GPS. The second reason is cognitive, GPS developed earlier than the Beidou navigation system. It has been integrated into our lives for a long time, so many people have formed a habit of using GPS. Although our phones have the BeiDou system, in our subconscious mind, the GPS performance in the United States will be higher, which makes businesses more willing to use GPS phones. With the passage of time, the BeiDou navigation system in China will become more and more perfect, and people will definitely be impressed by it.

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