Device and method with filtering for receiving low-frequency carrier waves
A technology of a low-frequency carrier and a receiving method, which is applied to a low-frequency carrier receiving device and field with filtering, can solve the problems of inability to activate at a short distance, difficulty in receiving a wide level, and low receiving success rate of a low-frequency carrier, so as to enhance the anti-interference ability, The effect of simple operation and increased chance of activation
Active Publication Date: 2014-06-25
AUTEL INTELLIGENT TECHNOLOGY CORP LTD
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[0009] Based on this, the present invention provides a low-frequency carrier receiving device and method with filtering, which solves the problems of low success rate of low-frequency carrier reception, difficulty in wide-level reception, and inability to activate at short distances
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[0038] The technical solution will be described in detail below in conjunction with specific embodiments and accompanying drawings, so as to make it more clear. The following examples are only for describing the detailed examples of the present invention, and are not intended to limit the present invention.
[0039] The low-frequency carrier receiving processing flow involved in the present invention is as follows: figure 1 As shown: the processing mainly includes the low-frequency carrier configuration module A, which is mainly responsible for the initialization of the low-frequency receiving register and the configuration of the carrier mode, etc.; the carrier waveform acquisition and filtering processing module B, which is responsible for receiving the carrier signal and filtering out clutter. Restore the original waveform; analyze and store data module C, mainly analyze the level of a specific width into corresponding data under the condition of module B, and store it for ...
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The invention relates to a device and method with filtering for receiving low-frequency carrier waves. The device comprises a low-frequency carrier wave configuration module (A), a carrier wave form collecting and filter processing module (B) and an analysis and data storage module (C). The low-frequency carrier wave configuration module (A) is used for initializing a low-frequency receiving register and configuring a carrier wave mode. The carrier wave form collecting and filter processing module (B) is used for receiving carrier wave signals and meanwhile carrying out filtering, and an original wave form is restored. The analysis and data storage module (C) is used for analyzing the original wave form into corresponding data, and storing the data. The problems that the receiving success rate of the low-frequency carrier waves is low, wide levels are hard to receive, and activation cannot be carried out in a short distance are solved.
Description
technical field [0001] The invention relates to a TPMS (tire pressure monitoring system) low-frequency carrier receiving method and device with filtering. Background technique [0002] The tire pressure monitoring system (TPMS) uses the tire pressure sensing device as the carrier. Its main function is to monitor, display and confirm the working status of the tires, and to monitor the abnormal conditions of the tires (such as overpressure, underpressure, overtemperature, sudden changes in air pressure, etc.) ) alarm in time, and display the current status through sound, light, and numbers to ensure driving safety, prevent tire blowouts, and at the same time ensure that car tires are in a reasonable use state for a long time. [0003] At present, there are hundreds of TPMS protocols in the global market. These protocols cover thousands of models of different years, and the activation methods used by different types of protocols are often different. Common activation methods m...
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IPC IPC(8): H04B1/10
Inventor 罗永良谷韬闫浩杨文
Owner AUTEL INTELLIGENT TECHNOLOGY CORP LTD