CN204855812U - Difference information transmission means - Google Patents
Difference information transmission means Download PDFInfo
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- CN204855812U CN204855812U CN201520128524.9U CN201520128524U CN204855812U CN 204855812 U CN204855812 U CN 204855812U CN 201520128524 U CN201520128524 U CN 201520128524U CN 204855812 U CN204855812 U CN 204855812U
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- transmitter
- antenna
- difference information
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- receiver
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Abstract
The utility model provides a difference information transmission means which characterized in that: including transmitter and receiving equipment, the transmitter includes transmitter, feeder, emit antenna, and the output of transmitter passes through the feeder and is connected with emit antenna, receiving equipment includes receiver and receiving antenna, and the input and the receiving antenna of receiver are connected, the transmitter including the interface converter, signal processor, modulator, digital control attenuator, wave filter and the power amplifier that connect gradually, by a mains operated, the receiver including connecting gradually wave filter, low -noise amplifier, digital control attenuator, wave detector, demodulator, signal processor and interface converter, by the 2nd mains operated, the structure is born for the individual soldier to the transmitter, and receiving equipment is handheld structure. The beneficial effects of the utility model are that: the high integration utilize, be convenient for to take capable difference information transmission means, quick, low -cost difference information over -the -horizon transmission under the field operations condition can be realized.
Description
Technical field
The utility model relates to a kind of difference information transmitting device, can carry out the over the horizon transmission of the Big Dipper/GPS difference information, be applied to equipment and occasion that various needs carry out difference information transmission at a distance.
Background technology
At present, the transmission of difference information mainly realizes based on technology such as optical fiber, Internet, GPRS, CDMA, data radio stations, is not suitable for the demand of field operations.
Based on the difference information wire transmission of optical fiber and Internet, be applicable to fix networking application when there is fixed fiber link.If field operations are applied, transmitting terminal and receiving end need be typically wire connected to nearest access point, and system uses limited, and the area equipment do not covered at optical fiber and Internet can not work.
Based on the difference information wireless transmission of GPRS and CDMA, be applicable to the difference information transmission application in base station coverage area.If field operations application, base station coverage less than region need install temporary base station additional, system complex, costliness.
Based on the difference information wireless transmission of data radio station, be applicable to the line-of-sight transmission application of closely difference information, anti-multipath, non line of sight transmittability are poor, do not possess over the horizon transmittability.
Summary of the invention
In order to overcome the deficiency of existing difference information transmission method and equipment, the utility model provides a kind of new difference information transmitting device, can realize the over the horizon transmission of difference information.
The utility model solves the technical scheme that its technical matters adopts: a kind of difference information transmitting device, it is characterized in that: comprise transmitter and receiving equipment, transmitter comprises transmitter, feeder line, emitting antenna, and the output terminal of transmitter is connected with emitting antenna by feeder line; Receiving equipment comprises receiver and receiving antenna, and the input end of receiver is connected with receiving antenna; Described transmitter comprises the interface converter, signal processor, modulator, numerical-control attenuator, wave filter and the power amplifier that connect successively, by the first Power supply; Described receiver comprises the wave filter, low noise amplifier, numerical-control attenuator, wave detector, detuner, signal processor and the interface converter that connect successively, is powered by second source; Described transmitter bears structure for individual soldier, and receiving equipment is hand held structures.
Described interface converter is transformed to external difference signal that TTL signal entering signal processor is encoded to TTL information, packet transaction, coded message enters that modulator carries out modulating, frequency conversion, be transformed to radiofrequency signal, radiofrequency signal enters numerical-control attenuator and controls its level, the radiofrequency signal device filtering after filtering of suitable size, ingoing power amplifier carries out power amplification, and rf power signal, through feeder line feed-in emitting antenna, carries out radiation through space; Receiving antenna receives weak radio-frequency signal in space outerpace, first deliver to filter filtering, the outer undesired signal of filter out-band, weak radio-frequency signal enters low noise amplifier again and amplifies, amplified signal one tunnel enters detector, detect Received signal strength size, another road signal enters numerical-control attenuator and adjusts signal level, to adapt to the Received signal strength scope of detuner, detuner exports the coded message of Transistor-Transistor Logic level after carrying out demodulation to signal, coded message entering signal processor carries out decoding, combining, and incoming interface transducer of going forward side by side recovers difference information; The described electric power output voltage end Input voltage terminal that parts each to transmitter are corresponding respectively connects, and the electric power output voltage end Input voltage terminal that parts each to receiver are corresponding respectively connects.
Described emitting antenna is omnidirectional's whip antenna or fan antenna; Receiving antenna is omnidirectional's spike antenna.Support the difference information transmission of point-to-multipoint.
Described transmitter is by signalling device or powered battery, and receiving equipment is by trusted device or powered battery.
The signal processor of described transmitter and the signal processor of receiver all adopt large scale integrated circuit FPGA, process difference information, adopt time diversity and frequency diversity technique, to adapt to the transmission of over the horizon channel.
Described emitting antenna is set up on antenna lifter, and transmitter, antenna, feeder line, antenna lifter and his annex load a knapsack, facilitate individual soldier to bear; Described transmitter A is an independent shielding case; Described emitting antenna is whip antenna, and length is 1.66m; Described antenna lifter maximum height 8m; Described receiving equipment is hand-holdable, and described receiver is for ease of hand-held shielding box body.
Adopt high integration components and parts in described transmitter and receiver, printed board adopts multi-layer structure design, and topology layout is compact, realizes Miniaturization Design.
Be made up of a transmitter and more than one receiver.
The beneficial effects of the utility model are: utilize high integration, be convenient to the difference information transmitting device of portable, and difference information over the horizon that is quick under can realizing field condition, low cost is transmitted.
Accompanying drawing explanation
Fig. 1 is electric theory diagram of the present utility model;
Fig. 2 is the block diagram of system of the present utility model;
Fig. 3 is principles of signal processing block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
See Fig. 1, external difference information of the present utility model enters transmitter A, successively through interface converter 1, signal processor 2, modulator 3, numerical-control attenuator 4, wave filter 5, power amplifier 6, become the radiofrequency signal of applicable over the horizon transmission, be fed to emitting antenna 9 by feeder line 8, through space, electromagnetic signal radiate.Radiofrequency signal faint in space receives through receiving antenna 10 and enters receiver B, device 11, low noise amplifier 12, wave detector 13, numerical-control attenuator 14, detuner 15, signal processor 16, interface converter 17 after filtering successively, restores difference information.The power supply 7 of transmitter A and the power supply 18 of receiver B provide the power supply of each parts of two parts respectively.
See Fig. 2, described emitting antenna 9 can be set up on antenna lifter 19, and transmitter A, antenna 9, feeder line 8, antenna lifter 19, other annexes can load a knapsack, and general assembly (TW) 19.5kg facilitates individual soldier to bear.Described transmitter A is an independent shielding case, and it is of a size of: 256mm × 217mm × 66mm; Described emitting antenna 9 is whip antenna, and length is 1.66m; Described antenna lifter 19 maximum height 8m.Described receiving equipment is hand-holdable; Described receiver B is for ease of hand-held shielding box body, and it is of a size of: 91mm × 48mm × 25mm; Described receiving antenna 10 is spike antenna.Described system can be a transmitter A, multiple receiver B.
See Fig. 3, external difference information of the present utility model enters transmitter, according to the mode of time, frequency diversity to space radiation.Its mode is: difference information entering signal processor, first the coded message such as error correction, verification is added to it, then it is divided into n bag, frame head trailer information is added in every 1 bag, last n package informatin is outwards launched on m frequency, and the n-th package informatin can be launched successively or according to certain pattern on m frequency.As shown in Figure 3, n=10, m=3, difference information is divided into 10 bags, and 3 frequencies are launched.Wherein every package informatin launches one time at each frequency, and the x time of each frequency continuously (shown in Fig. 3), also can be interrupted, can arrange different patterns.
Receiver of the present utility model receives every package informatin according to the pattern of making a start, and reconfigures as coded message in signal processor to it, then carries out the complete difference information of corresponding decoding operation recovery.
Claims (8)
1. a difference information transmitting device, is characterized in that: comprise transmitter and receiving equipment, and transmitter comprises transmitter, feeder line (8), emitting antenna (9), and the output terminal of transmitter is connected with emitting antenna (9) by feeder line (8); Receiving equipment comprises receiver and receiving antenna (10), and the input end of receiver is connected with receiving antenna (10); Described transmitter comprises the interface converter (1), signal processor (2), modulator (3), numerical-control attenuator (4), wave filter (5) and the power amplifier (6) that connect successively, is powered by the first power supply (7); Described receiver comprises the wave filter (11), low noise amplifier (12), numerical-control attenuator (13), wave detector (14), detuner (15), signal processor (16) and the interface converter (17) that connect successively, is powered by second source (18); Described transmitter bears structure for individual soldier, and receiving equipment is hand held structures.
2. difference information transmitting device according to claim 1, it is characterized in that: described interface converter (1) is transformed to TTL signal entering signal processor (2) external difference signal and encodes to TTL information, packet transaction, coded message enters modulator (3) and modulates, frequency conversion, be transformed to radiofrequency signal, radiofrequency signal enters numerical-control attenuator (4) and controls its level, radiofrequency signal device (5) filtering after filtering of suitable size, ingoing power amplifier (6) carries out power amplification, rf power signal is through feeder line (8) feed-in emitting antenna (9), radiation is carried out through space, receiving antenna (10) receives weak radio-frequency signal in space outerpace, first deliver to wave filter (11) filtering, the outer undesired signal of filter out-band, weak radio-frequency signal enters low noise amplifier (12) again and amplifies, amplified signal one tunnel enters wave detector (13) detection, detect Received signal strength size, another road signal enters numerical-control attenuator (14) and adjusts signal level, to adapt to the Received signal strength scope of detuner (15), detuner (15) exports the coded message of Transistor-Transistor Logic level after carrying out demodulation to signal, coded message entering signal processor (16) is decoded, combination, incoming interface transducer (17) of going forward side by side recovers difference information, described power supply (7) the output voltage terminal Input voltage terminal that parts each to transmitter are corresponding respectively connects, and power supply (18) the output voltage terminal Input voltage terminal that parts each to receiver are corresponding respectively connects.
3. difference information transmitting device according to claim 1 and 2, is characterized in that: described emitting antenna (9) is omnidirectional's whip antenna or fan antenna; Receiving antenna (10) is omnidirectional's spike antenna; Support the difference information transmission of point-to-multipoint.
4. difference information transmitting device according to claim 1 and 2, is characterized in that: described transmitter is by signalling device or powered battery, and receiving equipment is by trusted device or powered battery.
5. difference information transmitting device according to claim 1 and 2, it is characterized in that: the signal processor (2) of described transmitter and the signal processor (16) of receiver all adopt large scale integrated circuit FPGA, difference information is processed, adopt time diversity and frequency diversity technique, to adapt to the transmission of over the horizon channel.
6. difference information transmitting device according to claim 1 and 2, it is characterized in that: described emitting antenna (9) is set up on antenna lifter (19), transmitter (A), antenna (9), feeder line (8), antenna lifter (19) and his annex load a knapsack, facilitate individual soldier to bear; Described transmitter (A) is an independent shielding case; Described emitting antenna (9) is whip antenna, and length is 1.66m; Described antenna lifter (19) maximum height 8m; Described receiving equipment is hand-holdable, and described receiver (B) is for ease of hand-held shielding box body.
7. difference information transmitting device according to claim 1 and 2, is characterized in that: adopt high integration components and parts in described transmitter (A) and receiver (B), printed board adopts multi-layer structure design, and topology layout is compact, realizes Miniaturization Design.
8. difference information transmitting device according to claim 1 and 2, is characterized in that: be made up of a transmitter (A) and more than one receiver (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128524.9U CN204855812U (en) | 2015-03-06 | 2015-03-06 | Difference information transmission means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128524.9U CN204855812U (en) | 2015-03-06 | 2015-03-06 | Difference information transmission means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204855812U true CN204855812U (en) | 2015-12-09 |
Family
ID=54746349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520128524.9U Expired - Fee Related CN204855812U (en) | 2015-03-06 | 2015-03-06 | Difference information transmission means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204855812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961430A (en) * | 2017-12-21 | 2018-04-27 | 速眠创新科技（深圳）有限公司 | Sleep derivation device |
| CN111884723A (en) * | 2020-07-24 | 2020-11-03 | 中国电子科技集团公司第三十四研究所 | Photoelectric radio frequency feeder line component applied to uplink communication link |
-
2015
- 2015-03-06 CN CN201520128524.9U patent/CN204855812U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961430A (en) * | 2017-12-21 | 2018-04-27 | 速眠创新科技（深圳）有限公司 | Sleep derivation device |
| CN107961430B (en) * | 2017-12-21 | 2024-06-07 | 速眠创新科技（深圳）有限公司 | Sleep inducing device |
| CN111884723A (en) * | 2020-07-24 | 2020-11-03 | 中国电子科技集团公司第三十四研究所 | Photoelectric radio frequency feeder line component applied to uplink communication link |
| CN111884723B (en) * | 2020-07-24 | 2024-05-28 | 中国电子科技集团公司第三十四研究所 | Photoelectric radio frequency feeder line assembly applied to uplink communication link |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20200306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |