What is the principle of child positioning shoes ah
3, not practical, who has nothing to wear a pair of shoes every day?4, a lot of functions is not convenient to use, the button on the shoes, every day with bend is a can let a person look drunk;This is a locator, except for the positioning and many other features, you put it in the bag, bag is on the clothes, positioning; positioning is suit; hang on neck, is positioning pendant; lie groove, tall on a good concept of wood?
Put a GPS on the shoe;You want to understand the principle of positioning shoes to understand the principle of positioning;Positioning shoes have many disadvantages:1, the signal is weak, because being blocked;2, easy to damage, easy to water, etc.;
Positioning shoes principle is the use of GPS locator, thus positioning.In the positioning of the shoe to install a small GPS locator, parents are holding the instrument to receive the display. So no matter where the child can be seen from the instrument screen, positioning. However, there are some shortcomings positioning shoes. If more than a certain distance, the receiver will not receive the signal, the signal is easily blocked by objects.The spatial distribution of GPS is made up of 24 GPS working satellites, which are composed of the GPS satellite constellation, 21 of which are available for navigation, and the other is the active satellite of the 3 GPS. The 24 satellites are distributed around the earth in 6 orbits with an angle of 55 degrees. The cycle of the satellite is about 12. Each GPS working satellite sends out a signal for navigation and positioning. GPS users are using these signals to work.
