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Baseband signal processing system and method

A baseband signal processing and signal processing module technology, applied in the field of signal processing, can solve the problems of inconvenient baseband signal processing and complicated programming of baseband signal processing methods

Pending Publication Date: 2021-06-25
武汉芯行创智科技有限公司
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a baseband signal processing system and method, aiming to solve the technical problem that existing baseband signal processing methods have complicated programming and bring inconvenience to baseband signal processing

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  • Baseband signal processing system and method

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Embodiment Construction

[0040] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0042] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positi...

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Abstract

The invention belongs to the technical field of signal processing, and discloses a baseband signal processing system and method. The system comprises a signal sampling module, a signal conversion module and a signal processing module, wherein the signal sampling module determines a to-be-processed signal of a target frequency band according to a satellite communication signal and sends the to-be-processed signal to the signal conversion module, the signal conversion module performs analog-to-digital conversion on the to-be-processed signal to obtain a converted digital signal and sends the converted digital signal to the signal processing module, and the signal processing module determines communication baseband data according to a preset programming strategy and the converted digital signal to realize baseband processing of the satellite communication signal. According to the invention, the signal conversion module adopts an audio analog-to-digital conversion chip and is driven by the sound card of the signal processing module to complete reading of digitized baseband signals, and by means of the ecological environment of the signal processing module, a sampling driving program is not written, and communication baseband data can be obtained by directly reading data of the audio analog-to-digital conversion chip, so that baseband signal processing is simplified.

Description

technical field [0001] The present invention relates to the technical field of signal processing, in particular to a baseband signal processing system and method. Background technique [0002] In applications such as satellite positioning systems, low-orbit satellite communication systems, mobile communication systems, and Inmarsat synchronous satellite communication systems, there are some bands with limited frequency band resources, so in terms of bandwidth allocation, the bandwidth of each communication channel is very narrow. Among them, the baseband signal is an analog signal after the radio frequency signal has been processed. It needs to be converted into a digital signal by analog-to-digital conversion before it can be processed by a digital signal processor. The data of the analog-to-digital conversion belongs to the input device for the processor. The interface bandwidth of the output device is limited, and the baseband signal processing mostly uses DSP (digital si...

Claims

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Application Information

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IPC IPC(8): G01S19/37H04B7/185
CPCG01S19/37H04B7/1851
Inventor 李勇李三胡嘉睿李子宸王丹丁
Owner 武汉芯行创智科技有限公司
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