CN114826303A - Data demodulation system based on high-priority frame - Google Patents

Data demodulation system based on high-priority frame Download PDF

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Publication number
CN114826303A
CN114826303A CN202111575746.1A CN202111575746A CN114826303A CN 114826303 A CN114826303 A CN 114826303A CN 202111575746 A CN202111575746 A CN 202111575746A CN 114826303 A CN114826303 A CN 114826303A
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China
Prior art keywords
signal
unit
module
receiving
frequency
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CN202111575746.1A
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Chinese (zh)
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CN114826303B (en
Inventor
孟超
张萌
王涵
李烁星
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Academy Of Aerospace Science Technology And Communications Technology Co ltd
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Academy Of Aerospace Science Technology And Communications Technology Co ltd
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Priority to CN202111575746.1A priority Critical patent/CN114826303B/en
Publication of CN114826303A publication Critical patent/CN114826303A/en
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Publication of CN114826303B publication Critical patent/CN114826303B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/1638Special circuits to enhance selectivity of receivers not otherwise provided for
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping

Abstract

The invention relates to the technical field of data demodulation processing, in particular to a data demodulation system based on a high-priority frame, which comprises a receiving unit and a framing unit in signal connection with the receiving unit, wherein a distinguishing module for distinguishing frame types is arranged in the framing unit, and the framing unit can improve the selection accuracy of the frame types in the system and solve the problem that a terminal cannot demodulate reasonably due to untimely data access.

Description

Data demodulation system based on high-priority frame
Technical Field
The invention relates to the technical field of data demodulation processing, in particular to a data demodulation system based on a high-priority frame.
Background
With the development of information technology, data demodulation systems become more intelligent, and many demodulation systems can implement more complex data processing, including multi-way encryption and multi-way transmission of data signals.
Meanwhile, the existing frame structure is single, so that the existing frame structure is not required to be high-duty or low-duty, and is not beneficial to collision avoidance from the perspective of a physical layer frame structure, so that the final distortion of a signal is caused.
Disclosure of Invention
The invention aims to provide a data demodulation system based on a high-priority frame, which solves the problems that the frame structure is single, collision is easy to occur and signal distortion is caused in the prior art.
The purpose of the invention is realized by the following technical scheme that the device comprises a receiving unit and a framing unit in signal connection with the receiving unit, wherein a distinguishing module for distinguishing frame types is arranged in the framing unit.
It should be noted that, the frame dividing unit is arranged to improve the selection accuracy of the frame types in the system, and in the prior art, a single mode is usually used to input the frame, so that the type of the frame cannot be reasonably determined, and further, the later operation of the frame is affected, and finally, the signal cannot be accessed in time.
The signal connection has filtering module in the receiving element, the filter module is other to be provided with the rate of increase module that is used for filtering out signal frequency and enlargies.
It should be noted that, the filtering module is arranged to ensure that the interference signal in the received signal can be filtered, and the filtered signal enters the module for increasing the signal frequency to perform amplification after the signal is processed.
Still be provided with the frequency hopping detection module that is used for frequency change span to detect in the framing unit, the frequency hopping detection module is embedded to be equipped with a plurality of detection touch heads.
It should be noted that, the frequency hopping detection module can improve the timely correction capability after the frequency hopping phenomenon occurs in the system, thereby realizing the timely access of the signal.
And a plurality of detection touch heads are internally and electrically connected with signal receiving ends, and the signal receiving ends are used for receiving signaling.
It should be noted that, the signal receiving end is arranged to ensure that the detection can be performed in time after the occurrence of the frequency hopping signal, and the detection omission of the signal does not occur.
And the downstream signal of the framing unit is connected with a signal recovery unit, and the signal recovery unit is used for recovering and adjusting the signal frequency.
It should be noted that, by providing the signal recovery unit, it can be ensured that after the signal is subjected to frequency hopping detection, the signal with a problem is repaired, and the frequency hopping signal is recovered to a normal signal, so as to perform signal processing operation.
And a signal demodulation end for signal processing is arranged at the downstream of the signal recovery unit, and the signal demodulation end is configured for analytic adjustment of signals.
It should be noted that, by providing the signal demodulation end, timely demodulation of the signal can be ensured, data contained in the signal can be sufficiently analyzed, and the effect of outputting the signal to the outside is improved.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the frame dividing unit is arranged, so that the selection accuracy of the frame types in the system can be improved, in the prior art, a single mode is used for inputting frames, the type of the frames cannot be reasonably judged, further, the later operation of the frames can be influenced, and finally, the signals cannot be accessed in time;
2. the filtering module is arranged to ensure that interference signals in the received signals can be filtered, and the filtered signals enter the module for increasing the signal frequency to be amplified after being processed;
3. the signal recovery unit is arranged, so that the signal with problems can be repaired after the signal is subjected to frequency hopping detection, the frequency hopping signal is recovered to be a normal signal, and then the signal processing operation is carried out.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
Referring to fig. 1 for description, the present embodiment provides a data demodulation system based on a high priority frame, which is mainly used to solve the problem that in the prior art, a frame structure is single, collision is easy to occur, and signal distortion is caused.
The specific implementation mode of the invention is as follows: the device comprises a receiving unit and a framing unit in signal connection with the receiving unit, wherein a distinguishing module used for distinguishing frame types is arranged in the framing unit, a filtering module is connected with a signal in the receiving unit, an increasing rate module used for filtering out signal frequency amplification is arranged beside the filtering module, a frequency hopping detection module used for detecting frequency change span is further arranged in the framing unit, a plurality of detection touch heads are embedded in the frequency hopping detection module, a signal receiving end is electrically connected in each detection touch head and used for receiving signaling, a signal recovery unit is connected with the downstream of the framing unit in a signal recovery mode and used for recovering and adjusting the signal frequency, a signal demodulation end used for signal processing is further arranged at the downstream of the signal recovery unit, and the signal demodulation end is configured for analyzing and adjusting the signal.
It should be noted that the system of the present application is mainly used for solving the problem of signal distortion caused by insufficient demodulation due to untimely access of frames and the like in data demodulation, and the main core is to solve the problem of data access in the system.
The specific operation process of the application is as follows: firstly, an operator will connect the system concerned in the present application to a device which needs to perform an operation, and then, the receiving unit will preferentially perform a receiving operation, receive and transmit a signal, it should be noted that, unlike the prior art, the prior art uses a single point to receive signals, and the signals are not processed after being received, however, the present application performs filtering processing and then performs frequency increasing processing after receiving signals, although the filtering and signal amplifying processes are also performed in the prior art, unlike the present application, the filtering and signal amplifying module is disposed in the receiving unit, the most primitive processing of the signal can be performed and the processed signal can be unambiguously derived under common knowledge and the distortion probability of the signal can be significantly lower than the conventional processing of the prior art. After signal receiving processing, the signal will enter the framing unit, and in the framing unit, the signal will be selected for conversion of different operation objects, and a preferred selection scheme of this embodiment is to use a high priority frame, and the high priority frame is set to ensure smooth final demodulation of the signal, and also to solve the problem of timely access of the signal, so as to improve the overall signal transmission effect.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A data demodulation system based on a high-priority frame is characterized by comprising a receiving unit and a framing unit in signal connection with the receiving unit, wherein a distinguishing module for distinguishing frame types is arranged in the framing unit.
2. The system according to claim 1, wherein a filtering module is connected to the signal in the receiving unit, and a rate increasing module for filtering out signal frequency amplification is disposed beside the filtering module.
3. The system according to claim 1, wherein a frequency hopping detection module for detecting a frequency change span is further disposed in the framing unit, and a plurality of detection touch heads are embedded in the frequency hopping detection module.
4. The system of claim 3, wherein a signal receiving terminal is electrically connected to each of the plurality of detection haptic heads, and the signal receiving terminal is used for receiving signaling.
5. The system of claim 1, wherein a signal recovery unit is connected downstream of the framing unit, and the signal recovery unit is configured to adjust the signal frequency.
6. The system according to claim 5, wherein a signal demodulation end for signal processing is further disposed downstream of the signal recovery unit, and the signal demodulation end is configured for signal parsing and adjustment.
CN202111575746.1A 2021-12-21 2021-12-21 Data demodulation system based on high priority frame Active CN114826303B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111575746.1A CN114826303B (en) 2021-12-21 2021-12-21 Data demodulation system based on high priority frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111575746.1A CN114826303B (en) 2021-12-21 2021-12-21 Data demodulation system based on high priority frame

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CN114826303A true CN114826303A (en) 2022-07-29
CN114826303B CN114826303B (en) 2024-04-12

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101047476A (en) * 2007-03-19 2007-10-03 华为技术有限公司 Method and device for selecting modulation mode
CN111106904A (en) * 2019-12-23 2020-05-05 翱捷科技(上海)有限公司 Frame sending processing method and system for DigRF transmission end
CN112751788A (en) * 2020-12-30 2021-05-04 西安云维智联科技有限公司 Double-plane switching method supporting multi-type frame mixed transmission
CN113608809A (en) * 2021-08-04 2021-11-05 北京百度网讯科技有限公司 Component layout method, device, equipment, storage medium and program product

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101047476A (en) * 2007-03-19 2007-10-03 华为技术有限公司 Method and device for selecting modulation mode
CN111106904A (en) * 2019-12-23 2020-05-05 翱捷科技(上海)有限公司 Frame sending processing method and system for DigRF transmission end
CN112751788A (en) * 2020-12-30 2021-05-04 西安云维智联科技有限公司 Double-plane switching method supporting multi-type frame mixed transmission
CN113608809A (en) * 2021-08-04 2021-11-05 北京百度网讯科技有限公司 Component layout method, device, equipment, storage medium and program product

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