Beidou satellite signal receiving and displaying circuit
A Beidou satellite and signal receiving technology, which is applied in satellite radio beacon positioning system, radio wave measurement system, measuring device, etc., can solve the problem of poor signal quality of Beidou satellite signal
Pending Publication Date: 2017-08-18
贵州北斗空间信息技术有限公司
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Problems solved by technology
The existing Beidou navigation equipment has the disadvantage of poor signal quality in the amplification and transmission of Beidou satellite signals
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[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0024] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...
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The present invention provides a Beidou satellite signal receiving and displaying circuit. The circuit comprises an antenna, a radiofrequency signal amplification circuit, a first filter circuit and a signal conversion circuit. The antenna, the radiofrequency signal amplification circuit, the first filter circuit and the signal conversion circuit are electrically connected in order. The antenna receives Beidou satellite signals and transmits the Beidou satellite signals to the radiofrequency signal amplification circuit, the radiofrequency signal amplification circuit amplifies the Beidou satellite signals and transmits the amplified Beidou satellite signals to the first filter circuit, the first filter circuit performs filtering of the Beidou satellite signals and transmits the filtered Beidou satellite signals to the signal conversion circuit, the signal conversion circuit converts the filtered Beidou satellite signals to digital signals and transmits the converted digital signals to the processor of a mobile terminal, and the display screen of the mobile terminal displays information carried by the Beidou satellite signals. The Beidou satellite signal receiving and displaying circuit can improve the transmission stability of Beidou satellite signals and allow the fidelity of the amplified signals to be higher.
Description
technical field [0001] The invention relates to the field of satellite equipment, in particular to a Beidou satellite signal receiving and displaying circuit. Background technique [0002] At present, the satellite navigation systems available in my country include GPS satellite navigation system and Beidou satellite navigation system. The GPS system has the advantages of good real-time performance and high accuracy, but the disadvantage is that the GPS receiver can only receive GPS signals and lacks information interaction. The Beidou satellite system independently developed by my country can realize functions such as positioning and communication. User terminals can send positioning or communication requests at a certain frequency to obtain positioning information and communicate with other terminals. The existing Beidou navigation equipment has the disadvantage of poor signal quality in the amplification and transmission of Beidou satellite signals. Contents of the inv...
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IPC IPC(8): G01S19/35G01S19/37
CPCG01S19/35G01S19/37
Inventor 崔亮
Owner 贵州北斗空间信息技术有限公司