CN208986934U - The information transmission system of conveying length in a kind of raising cable - Google Patents
The information transmission system of conveying length in a kind of raising cable Download PDFInfo
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- CN208986934U CN208986934U CN201821745648.1U CN201821745648U CN208986934U CN 208986934 U CN208986934 U CN 208986934U CN 201821745648 U CN201821745648 U CN 201821745648U CN 208986934 U CN208986934 U CN 208986934U
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Abstract
The utility model discloses a kind of information transmission systems of conveying length in raising cable, system includes signal emission module and signal receiving module, signal emission module is transmitted for will transmit the transmitting signal spread-spectrum of data and be modulated in the online cable of high-frequency electromagnetic wave carrier signal, and the transmission signal after signal receiving module is used to be transmitted demodulates and de-spreads the reception signal of production transmission data.The utility model information transmission system can carry biggish information content；The anti-interference ability and noise resisting ability of information transmission can be greatly improved, to extend conveying length of the information in cable.
Description
Technical field
The utility model relates to the technical field of detection method, in particular to a kind of information for improving conveying length in cable
Transmission system.
Background technique
Information transmission be by the information of transmission by electromagnetic wave carrier by way of transmit, but electromagnetic wave is in cable
When middle transmission, due to loss and to external radiation etc., transmission range is limited.In the prior art, improving conveying length method is
By reducing the frequency of electromagnetic wave, but the information content that low-frequency electromagnetic wave carries is again smaller.
Therefore, the utility model provides a kind of information transmission system for improving frequency electromagnetic waves conveying length in cable
System.
Utility model content
The main purpose of the utility model is to provide a kind of information transmission system of conveying length in raising cable, tools
The advantages of thering is carrying to contain much information and improving conveying length.
To achieve the above object, the utility model provides a kind of information transmission system for improving conveying length in cable,
The system comprises signal emission module and signal receiving modules；
Signal emission module, for will transmit the transmitting signal spread-spectrum of data and be modulated to high-frequency electromagnetic wave carrier signal described
It is transmitted in cable；
Signal receiving module demodulates for the transmission signal after being transmitted and de-spreads the reception letter of production transmission data
Number.
Preferably, the signal emission module and the signal receiving module are mounted in the cable, the signal
Transmitting module is set on the cable at signal transmitting, and the signal receiving module is set to signal receiving area on the cable.
Preferably, the signal emission module specifically includes:
Baseband transmission unit, the transmitting signal for that will transmit data generate baseband signal；Base-band spread-spectrum unit, being used for will
The baseband signal generates spread-spectrum signal after being spread；Electromagnetic wave generates unit, for generating electricity used in cable transmission
Magnetic wave carrier wave；Electromagnetic wave modulation unit is transmitted for the spread-spectrum signal to be modulated to be formed on the electromagnetic wave carrier in cable
Signal is transmitted；
The baseband transmission unit, the base-band spread-spectrum unit, electromagnetic wave generate unit and electromagnetic wave modulation unit successively
Connection, the electromagnetic wave generate unit and connect with the electromagnetic wave modulation unit.
Preferably, the signal receiving module specifically includes:
Electromagnetic wave demodulating unit, for generating demodulated signal after being demodulated the electromagnetic wave carrier transmitted on signal；Base
Band despread unit, for the baseband signal will to be generated after demodulated signal despreading；Baseband-Receive unit is used for the base
Band signal generates the reception signal of transmission data；
The electromagnetic wave demodulating unit, the base band despread unit and the Baseband-Receive unit are sequentially connected, the electricity
Magnetic wave generates unit and connect with the electromagnetic wave demodulating unit.
Compared with prior art, the utility model has the following beneficial effects: the utility model passes through signal emission module
High-frequency electromagnetic wave carrier signal is subjected to transmission information, biggish information content can be carried；And signal emission module is to the hair of transmission information
It penetrates signal to be spread, using the bandwidth for transmission information for being much larger than information bandwidth itself, information transmission can be greatly improved
Anti-interference ability and noise resisting ability, to extend conveying length of the information in cable；Pass through solution in signal receiving module
Expansion can receive the transmission information of original bandwidth in information receiving area.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model embodiment improves the information transmission system of conveying length in cable.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
In field of data transmission, high-frequency electromagnetic wave energy is carried compared with large information capacity, and the utility model is carried using frequency electromagnetic waves
Wave, which can guarantee, can carry biggish information content；Meanwhile the signal for carrying information is spread, information can be greatly improved
The anti-interference ability and noise resisting ability of transmission, to extend conveying length of the information in cable.
Fig. 1 is the structural schematic diagram that the utility model embodiment improves the information transmission system 100 of conveying length in cable,
As shown in Figure 1, the information transmission system 100 for improving conveying length in cable of the present embodiment includes signal emission module 10 and letter
Number receiving module 20, is below described in detail modules:
Wherein, the signal emission module 10 of this implementation is for will transmit the transmitting signal spread-spectrum of data and be modulated to high-frequency electrical
Magnetic wave carrier wave is transmitted in cable, and signal emission module 10 is installed in cable, and signal emission module 10 is set on cable
At signal transmitting.Signal emission module 10 include baseband transmission unit 11, base-band spread-spectrum unit 12, electromagnetic wave generate unit 13 and
Electromagnetic wave modulation unit 14, baseband transmission unit 11, base-band spread-spectrum unit 12 and electromagnetic wave modulation unit 14 are sequentially connected, electromagnetism
Wave generates unit 13 and connect with electromagnetic wave modulation unit 14.
Specifically, the transmitting signal that baseband transmission unit 11 is used to transmit data generates baseband signal, base-band spread-spectrum list
For generating spread-spectrum signal after being spread baseband signal, electromagnetic wave generates unit 13 to be made member 12 for generating in cable transmission
Electromagnetic wave carrier, electromagnetic wave modulation unit 14 are used to be modulated to spread-spectrum signal to be formed on the electromagnetic wave carrier in cable and pass
Defeated signal is transmitted.Cause, transmit data transmitting signal spread after, much larger than information bandwidth itself bandwidth for transmission believe
The anti-interference ability and noise resisting ability of information transmission can be greatly improved, to extend biography of the information in cable in breath
Defeated length.Preferably, the bandwidth range of baseband signal is 1Kbps-10Kbps, and the bandwidth range of spread-spectrum signal is after spread spectrum
Several hundred Kbps or so.
Furthermore the transmission signal after the signal receiving module 20 of the present embodiment is used to be transmitted demodulates and de-spreads production
The reception signal of data is transmitted, signal receiving module 20 is installed in cable, and signal receiving module 20 is set to signal on cable and connects
At receipts.
Signal receiving module 20 includes electromagnetic wave demodulating unit 21, base band despread unit 22 and Baseband-Receive unit 23, electricity
Magnetic wave demodulating unit 21, base band despread unit 22 and Baseband-Receive unit 23 are sequentially connected, and electromagnetic wave generates unit 13 and electromagnetism
Wave demodulating unit 21 connects.Specifically, electromagnetic wave demodulating unit 21 is used to demodulate the electromagnetic wave carrier transmitted on signal
After generate demodulated signal, base band despread unit 22 is for generating baseband signal, Baseband-Receive unit 23 after de-spreading demodulated signal
For baseband signal to be generated to the reception signal of transmission data.
Compared with prior art, the utility model has the following beneficial effects: the utility model passes through signal emission module
High-frequency electromagnetic wave carrier signal is carried out transmission information by 10, can carry biggish information content；And 10 pairs of transmission information of signal emission module
Transmitting signal spread, using be much larger than information bandwidth itself bandwidth for transmission information, information can be greatly improved
The anti-interference ability and noise resisting ability of transmission, to extend conveying length of the information in cable；In signal receiving module 20
By despreading the transmission information of original bandwidth can be received in information receiving area.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of information transmission system for improving conveying length in cable, which is characterized in that the system comprises signals to emit mould
Block and signal receiving module；
Signal emission module, for will transmit the transmitting signal spread-spectrum of data and be modulated to high-frequency electromagnetic wave carrier signal in the cable
In transmitted；
Signal receiving module demodulates for the transmission signal after being transmitted and de-spreads the reception signal of production transmission data.
2. the information transmission system according to claim 1 for improving conveying length in cable, which is characterized in that the signal
Transmitting module and the signal receiving module are mounted in the cable, and the signal emission module, which is set on the cable, to be believed
At number transmitting, the signal receiving module is set to signal receiving area on the cable.
3. the information transmission system according to claim 1 for improving conveying length in cable, which is characterized in that the signal
Transmitting module specifically includes:
Baseband transmission unit, the transmitting signal for that will transmit data generate baseband signal；Base-band spread-spectrum unit, being used for will be described
Baseband signal generates spread-spectrum signal after being spread；Electromagnetic wave generates unit, for generating electromagnetic wave used in cable transmission
Carrier wave；Electromagnetic wave modulation unit forms transmission signal for the spread-spectrum signal to be modulated on the electromagnetic wave carrier in cable
It is transmitted；
The baseband transmission unit, the base-band spread-spectrum unit, electromagnetic wave generate unit and electromagnetic wave modulation unit is sequentially connected,
The electromagnetic wave generates unit and connect with the electromagnetic wave modulation unit.
4. the information transmission system according to claim 3 for improving conveying length in cable, which is characterized in that the signal
Receiving module specifically includes:
Electromagnetic wave demodulating unit, for generating demodulated signal after being demodulated the electromagnetic wave carrier transmitted on signal；Base band solution
Expand unit, for the baseband signal will to be generated after demodulated signal despreading；Baseband-Receive unit, for believing the base band
Number generate transmission data reception signal；
The electromagnetic wave demodulating unit, the base band despread unit and the Baseband-Receive unit are sequentially connected, the electromagnetic wave
Unit is generated to connect with the electromagnetic wave demodulating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821745648.1U CN208986934U (en) | 2018-10-25 | 2018-10-25 | The information transmission system of conveying length in a kind of raising cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821745648.1U CN208986934U (en) | 2018-10-25 | 2018-10-25 | The information transmission system of conveying length in a kind of raising cable |
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| Publication Number | Publication Date |
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| CN208986934U true CN208986934U (en) | 2019-06-14 |
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| CN201821745648.1U Active CN208986934U (en) | 2018-10-25 | 2018-10-25 | The information transmission system of conveying length in a kind of raising cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274400A (en) * | 2018-10-25 | 2019-01-25 | 东莞市慧眼数字技术有限公司 | The information transferring method and system of conveying length in a kind of raising cable |
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2018
- 2018-10-25 CN CN201821745648.1U patent/CN208986934U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274400A (en) * | 2018-10-25 | 2019-01-25 | 东莞市慧眼数字技术有限公司 | The information transferring method and system of conveying length in a kind of raising cable |
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