CN203206224U - Portable satellite receiver fast satellite aligning circuit - Google Patents
Portable satellite receiver fast satellite aligning circuit Download PDFInfo
- Publication number
- CN203206224U CN203206224U CN2013202156091U CN201320215609U CN203206224U CN 203206224 U CN203206224 U CN 203206224U CN 2013202156091 U CN2013202156091 U CN 2013202156091U CN 201320215609 U CN201320215609 U CN 201320215609U CN 203206224 U CN203206224 U CN 203206224U
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- microcontroller
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- baseband processing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Position Fixing By Use Of Radio Waves (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The utility model discloses a portable satellite receiver fast satellite aligning circuit, comprising an antenna feeder unit, a main processing unit, a display unit and a power supply unit, wherein a feed source module is connected with a receiving antenna, an output of the feed source module is connected with a high frequency head, an output of the high frequency head is connected with a microcontroller through an intermediate frequency processing module and a baseband processing module in sequence, a positioning module is connected with the microcontroller, the display unit is connected with the microcontroller, the power supply unit is connected with an external power supply and a battery, battery electricity level control signals output by the power supply unit are connected with the baseband processing module, and high frequency head voltage control signals output by the microcontroller is connected with the power supply unit. The portable satellite receiver fast satellite aligning circuit has the advantages of simple circuit structure, and low design and manufacturing cost; the portable satellite receiver fast satellite aligning circuit can carry out low-noise block down frequency conversion, intermediate frequency processing and baseband processing for satellite signals received by the receiving antenna, the satellite signal intensity calculation is high in accuracy and fast in speed, and the satellite aligning speed and accuracy are ensured; and the portable satellite receiver fast satellite aligning circuit is further provided with a standby battery, thereby effectively improving the power supply stability of a satellite aligning circuit.
Description
Technical field
The utility model relates to a kind of portable satellite receiver fast to the star circuit.
Background technology
Mobility, wide area complex network that satellite communication has three-dimensional seamless coverage ability, unique flexibly universal service ability, overlay area consist of ability, the mutual concatenation ability of wide area Internet, and distinctive wide area broadcast and multicast ability, go for multiple business, obtained using more and more widely in military communication, mobile communication, emergency communication and field of broadcast televisions.
Up to now, the ground satellite station of multiple business ability, multiple price has appearred satisfying different scene application demands, usually be applied to vehicular platform such as vehicle satellite communication in motion, and price is comparatively expensive, but limitation is then can't use in the place that some automobile can not arrive.Portable satellite receiver is exactly a kind of restriction of any carrier, satellite communication terminal with low cost of not being subjected to.In use, the staff carries or bears portable satellite receiver and arrive to use on-the-spotly, launches the antenna of receiver, can set up behind the locking satellite (to star) and being connected of command centre.
Yet, in order to realize that receiver is to the locking of satellite, traditional portable satellite receiver is usually only finished coarse adjustment to the star circuit and is just finished star has been operated, not by the calculating of signal strength signal intensity with relatively receiver is further finely tuned, lower to the star accuracy, cause the communication reliability of satellite communication system relatively poor.In addition, also there is following problem in existing receiver to the star circuit: (1) signal strength signal intensity accuracy in computation is lower, and computational speed is slow, has limited star speed and accuracy; (2) usually can only rely on external power supply and obtain power supply, reserve battery is not set, in case the external power supply fault, then can't be for to star circuit normal power supply.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of to the high portable satellite receiver of star accuracy fast to the star circuit, circuit structure is simple, the satellite-signal received to reception antenna carries out low noise down-conversion, intermediate frequency process and Base-Band Processing, high and computational speed is fast for the accuracy in computation of satellite-signal intensity, guaranteed star speed and accuracy; Be provided with reserve battery, but Effective Raise is to the electrical stability that supplies of star circuit.
The purpose of this utility model is achieved through the following technical solutions: portable satellite receiver is fast to the star circuit, it comprises air feedback unit, Main Processor Unit, display unit and power subsystem, air feedback unit is by reception antenna, feed module and tuner form, Main Processor Unit is by the intermediate frequency process module, baseband processing module, locating module, microcontroller forms, the feed module connects reception antenna, the output of feed module connects tuner, the output of tuner is connected with microcontroller with baseband processing module by the intermediate frequency process module successively, the output of locating module links to each other with microcontroller, display unit is connected with microcontroller by monitor-interface, the input of power subsystem connects respectively external power supply and battery, the battery electric quantity control signal of power subsystem output is connected with baseband processing module, and the tuner voltage control signal of microcontroller output is connected with power subsystem.
Further, intermediate frequency Q road signal and the intermediate frequency I road signal of the output of intermediate frequency process module are connected with baseband processing module by analog to digital converter ADC respectively, and baseband processing module is exported calibrating frequency voltage to the intermediate frequency process module by digital to analog converter DAC.
Further, the star circuit is also comprised reset circuit, reset circuit is connected with baseband processing module, microcontroller respectively.
Further, locating module is the GPS locating module.
The beneficial effects of the utility model are:
1) circuit structure is simple, and the Design and manufacture cost is low;
2) the received satellite-signal of reception antenna is carried out low noise down-conversion, intermediate frequency process and Base-Band Processing successively, the accuracy in computation of satellite-signal intensity is high and computational speed is fast, guaranteed star speed and accuracy have been improved the communication reliability of satellite communication system;
3) be provided with reserve battery, when external power cut-off, can be powered by reserve battery, but Effective Raise is to the electrical stability that supplies of star circuit.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1, portable satellite receiver is fast to the star circuit, it comprises air feedback unit, Main Processor Unit, display unit and power subsystem, air feedback unit is by reception antenna, feed module and tuner LNB form, Main Processor Unit is by the intermediate frequency process module, baseband processing module, locating module and microcontroller form, the feed module connects reception antenna, the output of feed module connects tuner LNB, the output of tuner LNB is connected with microcontroller with baseband processing module by the intermediate frequency process module successively, intermediate frequency Q road signal and the intermediate frequency I road signal of the output of intermediate frequency process module are connected with baseband processing module by analog to digital converter ADC respectively, and baseband processing module is exported calibrating frequency voltage to the intermediate frequency process module by digital to analog converter DAC.Locating module can be selected the GPS locating module, be used for gathering the receiver current geographic position information, the output of locating module links to each other with microcontroller, display unit is connected with microcontroller by monitor-interface, display unit is used for the satellite of input wish locking, also can be used for showing in real time instant satellite-signal power according to manual adjustments receiver antenna angle.The input of power subsystem connects respectively external power supply and battery, the battery electric quantity control signal of power subsystem output is connected with baseband processing module, the tuner LNB voltage control signal of microcontroller output is connected the controlled output 1.0V of power subsystem, 1.25V, 1.8V, 2.5V, 3.3V, 5V, 12V, 9～18V voltage with power subsystem.Further, the star circuit is also comprised reset circuit, reset circuit is connected with the reset terminal of baseband processing module, microcontroller respectively.In addition, the star circuit is also comprised the storage peripheral hardware, the storage peripheral hardware is connected with microcontroller, is used for the storage data.
Claims (4)
1. portable satellite receiver is fast to the star circuit, it is characterized in that: it comprises air feedback unit, Main Processor Unit, display unit and power subsystem, air feedback unit is by reception antenna, feed module and tuner form, Main Processor Unit is by the intermediate frequency process module, baseband processing module, locating module, microcontroller forms, the feed module connects reception antenna, the output of feed module connects tuner, the output of tuner is connected with microcontroller with baseband processing module by the intermediate frequency process module successively, the output of locating module links to each other with microcontroller, display unit is connected with microcontroller by monitor-interface, the input of power subsystem connects respectively external power supply and battery, the battery electric quantity control signal of power subsystem output is connected with baseband processing module, and the tuner voltage control signal of microcontroller output is connected with power subsystem.
2. portable satellite receiver according to claim 1 is fast to the star circuit, it is characterized in that: intermediate frequency Q road signal and the intermediate frequency I road signal of described intermediate frequency process module output are connected with baseband processing module by analog to digital converter ADC respectively, and baseband processing module is exported calibrating frequency voltage to the intermediate frequency process module by digital to analog converter DAC.
3. portable satellite receiver according to claim 1 to the star circuit, is characterized in that fast: it also comprises reset circuit, and reset circuit is connected with baseband processing module, microcontroller respectively.
4. portable satellite receiver according to claim 1 to the star circuit, is characterized in that fast: described locating module is the GPS locating module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202156091U CN203206224U (en) | 2013-04-25 | 2013-04-25 | Portable satellite receiver fast satellite aligning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202156091U CN203206224U (en) | 2013-04-25 | 2013-04-25 | Portable satellite receiver fast satellite aligning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206224U true CN203206224U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202156091U Expired - Lifetime CN203206224U (en) | 2013-04-25 | 2013-04-25 | Portable satellite receiver fast satellite aligning circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN203206224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314752A (en) * | 2019-12-27 | 2020-06-19 | 深圳市北斗万方信息技术有限公司 | Low-noise down converter and signal processing method |
-
2013
- 2013-04-25 CN CN2013202156091U patent/CN203206224U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314752A (en) * | 2019-12-27 | 2020-06-19 | 深圳市北斗万方信息技术有限公司 | Low-noise down converter and signal processing method |
| CN111314752B (en) * | 2019-12-27 | 2023-12-01 | 深圳市北斗万方信息技术有限公司 | Low-noise down converter and signal processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610000 Building 1, No. 11, Gaopeng Avenue, Chengdu hi tech Zone, Chengdu, Sichuan Patentee after: Chengdu Guoheng Space Technology Engineering Co.,Ltd. Address before: No. 1 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610041 Patentee before: CHENGDU GUOHENG SPACE TECHNOLOGY ENGINEERING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |