CN107888231A - Multi-channel synchronous pulse signal transmission system and transmission method based on differential signals - Google Patents
Multi-channel synchronous pulse signal transmission system and transmission method based on differential signals Download PDFInfo
- Publication number
- CN107888231A CN107888231A CN201711021596.3A CN201711021596A CN107888231A CN 107888231 A CN107888231 A CN 107888231A CN 201711021596 A CN201711021596 A CN 201711021596A CN 107888231 A CN107888231 A CN 107888231A
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- China
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- pulse signal
- signal
- differential signal
- chip
- differential
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Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 230000008054 signal transmission Effects 0.000 title claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 11
- 210000001367 artery Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Dc Digital Transmission (AREA)
Abstract
The invention belongs to the technical field of signal transmission, and particularly relates to a multi-channel synchronous pulse signal transmission system and a multi-channel synchronous pulse signal transmission method based on differential signals. The transmission system comprises a pulse signal to differential signal chip connected with the sending end communication equipment and a differential signal to pulse signal chip connected with the receiving end communication equipment, wherein the pulse signal to differential signal chip is communicated with the differential signal to pulse signal chip through a wired transmission medium. The invention converts the synchronous pulse signal into the differential signal for transmission, converts the differential signal into the synchronous pulse signal at the receiving end for output, utilizes the advantages of the differential signal, finally enables the synchronous pulse signal to effectively resist electromagnetic interference and noise interference in the transmission process, and has the advantages of long transmission distance and high transmission precision.
Description
Technical field
The invention belongs to signal transmission technology field, and in particular to a kind of Multi-path synchronous pulse signal based on differential signal
Transmission system and transmission method.
Background technology
Existing signal transmission form mainly includes line and transmits and be wirelessly transferred two kinds, and wire transmission refers to logical at two
It is transmitted between letter equipment by physical connection mediums such as twisted-pair feeder, cable or light.Compared to being wirelessly transferred, You Xianchuan
Defeated mode has stability good, safe and influenceed the advantages of small by extraneous factor.But when multiple signals synchronize
During transmission, particularly in the case of long range is transmitted, traditional wire transmission method generally existing anti-electromagnetic interference capability is weak, passes
The problem of semen deposition degree is low, receiving terminal easily produces erroneous judgement.
The content of the invention
It is an object of the present invention to provide a kind of Multi-path synchronous pulse signal transmission system and transmission method based on differential signal,
Solve that anti-electromagnetic interference capability existing for existing wire transmission method is weak, transmission precision is low, receiving terminal easily produces erroneous judgement
Technical problem.
The present invention technical solution be：A kind of Multi-path synchronous pulse signal transmission system based on differential signal, its
It is characterized in that：Communicated including the pulse signal slip sub-signal chip being connected with transmitting terminal communication equipment and with receiving terminal
The connected differential signal of equipment turns pulse signal chip, and the pulse signal slip sub-signal chip turns pulse letter with differential signal
Connected between number chip by wired transmissions medium.
Further, multiple pulse signal input terminal mouths and multiple are provided with above-mentioned pulse signal slip sub-signal chip
Differential signal outputs mouth, the differential signal turn to be provided with multiple differential signal input mouths and multiple on pulse signal chip
Pulse signal output end mouth；The multiple differential signal outputs mouths and difference set on the pulse signal slip sub-signal chip
Multiple differential signal input mouths that signal turns to set on pulse signal chip are one-to-one relation, and respectively by wired
Transmission medium is connected.
Further, above-mentioned wired transmissions medium is shielded cable.
Further, above-mentioned wired transmissions medium is Shielded Twisted Pair.
The present invention also provides a kind of Multi-path synchronous pulse signal transmission method based on differential signal, and its special character exists
In comprising the following steps：
1) the Multi-path synchronous pulse signal transmission system based on differential signal as described above is built；
2) transmitting terminal communication equipment sends pulse signal to pulse signal slip sub-signal chip；
3) pulse signal received is converted to differential signal by pulse signal slip sub-signal chip；
4) differential signal that step 3) is converted to is transmitted to differential signal by wired transmissions medium turns pulse signal core
Piece；
5) differential signal turns pulse signal chip the differential signal received is converted into pulse signal；
6) differential signal turns pulse signal chip by the pulse signal transmission being converted to receiving terminal communication equipment.
The beneficial effects of the present invention are：Synchronization pulse is converted into differential signal and is transmitted by the present invention, is being connect
Differential signal is converted to synchronization pulse output by receiving end again, the advantages of make use of differential signal, finally believes lock-out pulse
Number be effective against electromagnetic interference and noise jamming in transmitting procedure, and with long transmission distance, transmission precision is high the advantages of.
Brief description of the drawings
Fig. 1 is the preferred embodiment structural representation of the Multi-path synchronous pulse signal transmission system of the invention based on differential signal
Figure.
Wherein, reference is as follows：1- transmitting terminal pulse signals, 2- pulse signal slip sub-signal chips, 3- transmitting terminals
Differential signal, 4- wired transmissions mediums, 5- receiving terminal differential signals, 6- differential signals turn pulse signal chip, 7- receiving terminal arteries and veins
Rush signal.
Embodiment
Referring to Fig. 1, the present invention provides a kind of Multi-path synchronous pulse signal transmission system based on differential signal, including with hair
The connected pulse signal slip sub-signal chip 2 of sending end communication equipment and the differential signal being connected with receiving terminal communication equipment turn
Pulse signal chip 6, pulse signal slip sub-signal chip 2 and differential signal turn between pulse signal chip 6 by wired biography
Defeated medium 4 connects.
On pulse signal slip sub-signal chip 2 multiple pulse signal input terminal mouths and multiple differential signals can be set defeated
Exit port, correspondingly, differential signal turn to be provided with multiple differential signal input mouths and multiple pulses letter on pulse signal chip 6
Number output port；The multiple differential signal outputs mouths set on pulse signal slip sub-signal chip 2 turn arteries and veins with differential signal
It is one-to-one relation to rush on signal chip 6 the multiple differential signal input mouths set, and is situated between respectively by wire transmission
Matter 4 is connected.In the present embodiment, the quantity of each port and wired transmissions medium is four, is respectively used to hair
Four road pulse signals of sending end input are transmitted.
More preferable, the wired transmissions medium in the present embodiment can be shielded cable or Shielded Twisted Pair.
The method for carrying out signal transmission using Multi-path synchronous pulse signal transmission system of the present embodiment based on differential signal
Comprise the following steps：
1) the Multi-path synchronous pulse signal transmission system based on differential signal is built；
2) transmitting terminal communication equipment sends pulse signal to pulse signal slip sub-signal chip 2, i.e. transmitting terminal pulse is believed
Number 1；
3) the transmitting terminal pulse signal 1 received is converted to transmitting terminal difference letter by pulse signal slip sub-signal chip 2
Numbers 3；
4) transmitting terminal differential signal 3 is transmitted to differential signal by wired transmissions medium 4 turns pulse signal chip 6；
5) differential signal turn pulse signal chip 6 by the receiving terminal differential signal 5 received be converted to receiving terminal pulse letter
Numbers 7；
6) differential signal turn pulse signal chip 6 by the receiving terminal pulse signal 7 being converted to transmit to receiving terminal communicate
Equipment, complete the transmission of synchronization pulse.
Claims (5)
- A kind of 1. Multi-path synchronous pulse signal transmission system based on differential signal, it is characterised in that：Including being communicated with transmitting terminal The pulse signal slip sub-signal chip and turn pulse signal with the differential signal that receiving terminal communication equipment is connected that equipment is connected Chip, the pulse signal slip sub-signal chip and differential signal turn by wired transmissions medium to connect between pulse signal chip It is logical.
- 2. the Multi-path synchronous pulse signal transmission system according to claim 1 based on differential signal, it is characterised in that：Institute State and be provided with multiple pulse signal input terminal mouths and multiple differential signal outputs mouths, institute on pulse signal slip sub-signal chip Differential signal is stated to turn to be provided with multiple differential signal input mouths and multiple pulse signal output end mouths on pulse signal chip；Institute State the multiple differential signal outputs mouths set on pulse signal slip sub-signal chip and turn pulse signal chip with differential signal Multiple differential signal input mouths of upper setting are one-to-one relation, and are connected respectively by wired transmissions medium.
- 3. the Multi-path synchronous pulse signal transmission system according to claim 1 or 2 based on differential signal, its feature exist In：The wired transmissions medium is shielded cable.
- 4. the Multi-path synchronous pulse signal transmission system according to claim 1 or 2 based on differential signal, its feature exist In：The wired transmissions medium is Shielded Twisted Pair.
- 5. a kind of Multi-path synchronous pulse signal transmission method based on differential signal, it is characterised in that comprise the following steps：1) the Multi-path synchronous pulse signal transmission system based on differential signal as described in any in claim 1-4 is built；2) transmitting terminal communication equipment sends pulse signal to pulse signal slip sub-signal chip；3) pulse signal received is converted to differential signal by pulse signal slip sub-signal chip；4) differential signal that step 3) is converted to is transmitted to differential signal by wired transmissions medium turns pulse signal chip；5) differential signal turns pulse signal chip the differential signal received is converted into pulse signal；6) differential signal turns pulse signal chip by the pulse signal transmission being converted to receiving terminal communication equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021596.3A CN107888231A (en) | 2017-10-27 | 2017-10-27 | Multi-channel synchronous pulse signal transmission system and transmission method based on differential signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021596.3A CN107888231A (en) | 2017-10-27 | 2017-10-27 | Multi-channel synchronous pulse signal transmission system and transmission method based on differential signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107888231A true CN107888231A (en) | 2018-04-06 |
Family
ID=61782650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711021596.3A Pending CN107888231A (en) | 2017-10-27 | 2017-10-27 | Multi-channel synchronous pulse signal transmission system and transmission method based on differential signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107888231A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109063599A (en) * | 2018-07-13 | 2018-12-21 | 北京大学 | A method of carrying out distance metric between pulse array signals |
| CN111585565A (en) * | 2020-05-22 | 2020-08-25 | 中国航空工业集团公司北京航空精密机械研究所 | Signal synchronization circuit and device for data acquisition of optical coordinate measurement system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100239028A1 (en) * | 2007-05-24 | 2010-09-23 | Yihang Lu | Method for transmitting parallelization signals of uninterruptible power supplies |
| CN104682989A (en) * | 2013-11-27 | 2015-06-03 | 中国航天科工集团第三研究院第八三五七研究所 | RS-422A signal transmitting device based on CPLD (complex programmable logic device) |
| CN106789511A (en) * | 2016-12-22 | 2017-05-31 | 中车青岛四方车辆研究所有限公司 | Train based on FPGA CAN communication switching control method and modular converter |
-
2017
- 2017-10-27 CN CN201711021596.3A patent/CN107888231A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100239028A1 (en) * | 2007-05-24 | 2010-09-23 | Yihang Lu | Method for transmitting parallelization signals of uninterruptible power supplies |
| CN104682989A (en) * | 2013-11-27 | 2015-06-03 | 中国航天科工集团第三研究院第八三五七研究所 | RS-422A signal transmitting device based on CPLD (complex programmable logic device) |
| CN106789511A (en) * | 2016-12-22 | 2017-05-31 | 中车青岛四方车辆研究所有限公司 | Train based on FPGA CAN communication switching control method and modular converter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109063599A (en) * | 2018-07-13 | 2018-12-21 | 北京大学 | A method of carrying out distance metric between pulse array signals |
| CN109063599B (en) * | 2018-07-13 | 2020-11-03 | 北京大学 | Method for measuring distance between pulse array signals |
| CN111585565A (en) * | 2020-05-22 | 2020-08-25 | 中国航空工业集团公司北京航空精密机械研究所 | Signal synchronization circuit and device for data acquisition of optical coordinate measurement system |
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Application publication date: 20180406 |
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| RJ01 | Rejection of invention patent application after publication |