CN111970069B - Satellite signal x and ku frequency band spectrum monitoring sensor and monitoring method - Google Patents
Satellite signal x and ku frequency band spectrum monitoring sensor and monitoring method Download PDFInfo
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- CN111970069B CN111970069B CN202010832025.3A CN202010832025A CN111970069B CN 111970069 B CN111970069 B CN 111970069B CN 202010832025 A CN202010832025 A CN 202010832025A CN 111970069 B CN111970069 B CN 111970069B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a satellite signal X, KU frequency band spectrum monitoring sensor and a monitoring method, comprising sensor equipment, a plurality of coupler equipment, a frequency converter and signal processing equipment; the input end of the sensor equipment is connected with equipment to be detected, the temperature and the humidity of the external environment are monitored, and the output end of the sensor equipment is connected with the input end of the signal processing equipment; the input end of the coupler equipment receives X, KU frequency band signals, the output end of the coupler equipment is divided into two paths, one path is coupled and connected with the input end of the frequency converter, and the other path outputs X, KU frequency band loss signals through signal transmission processing; and the output end of the frequency converter is connected with the input end of the signal processing equipment. The invention can scan the frequency spectrum of X, KU frequency band signals of a designated satellite, detect frequency point signal parameters (signal center frequency and power level), detect environment parameters such as temperature and humidity outside equipment and report the environment parameters to a health management software system for information processing in real time.
Description
Technical Field
The invention relates to the field of satellite signal spectrum monitoring, in particular to a satellite signal X, KU frequency band spectrum monitoring sensor and a monitoring method.
Background
In a satellite signal automatic receiving and processing system, a frequency spectrum monitoring process needs to be performed on an IF frequency band signal after the receiving process, and particularly in the aspect of equipment operation health diagnosis management, a sensor realizes frequency spectrum scanning and frequency point signal parameter (signal center frequency and power level) detection on the IF frequency band signal, detects environmental parameters such as temperature and humidity outside equipment, and reports the environmental parameters to a health management system in real time for information processing, so that intelligent diagnosis, display, control and processing are realized.
However, currently, there is no relevant device for scanning the spectrum of the X, KU frequency band signal of a specific satellite, detecting the frequency point signal parameters (signal center frequency, power level), and detecting the environmental parameters such as temperature and humidity outside the device.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a sensor and a method for monitoring a satellite signal X, KU frequency band spectrum.
The invention aims to be realized by the following technical scheme: a satellite signal X, KU frequency band spectrum monitoring sensor comprises a sensor device, a plurality of coupler devices, a frequency converter and a signal processing device; the input end of the sensor equipment is connected with equipment to be detected, information monitoring is carried out on the temperature and humidity of the external environment, and the output end of the sensor equipment is connected with the input end of the signal processing equipment; the input end of the coupler equipment receives X, KU frequency band signals, the output end of the coupler equipment is divided into two paths, one path is coupled and connected with the input end of the frequency converter, and the other path outputs X, KU frequency band loss signals through signal transmission processing; the output end of the frequency converter is connected with the input end of the signal processing equipment; the signal processing equipment analyzes and processes the information and the signals by receiving the environmental information detected by the sensor equipment and the signals after frequency conversion processing of the frequency converter.
The signal processing device comprises an amplifying filter and a microprocessor; the input end of the amplification filter is connected with the output end of the frequency converter, and the output end of the amplification filter is connected with the input end of the microprocessor; the input end of the microprocessor is also connected with the output end of the sensor equipment.
The sensor device is an ambient temperature and humidity sensor.
The plurality of coupler devices includes an X-band coupler and a Ku-band coupler.
The X, KU frequency band signal is directly output through the coupler device, and original frequency band characteristic information of the transmission signal is not influenced.
The X, KU frequency band signal is coupled and output through the coupler device to carry out spectrum monitoring and analysis, and original frequency band characteristic information of the transmission signal is not influenced.
The signal processing equipment is also connected with an external DC +12V direct current power supply.
A method for monitoring the frequency spectrum of a satellite signal X, KU frequency band comprises the following steps:
s1, receiving the processed X, KU frequency band signals by a plurality of coupler devices; the sensor equipment detects temperature information and humidity information of the environment and sends the detected information to the signal processing equipment;
s2, respectively coupling signals of the plurality of couplers according to the corresponding frequency bands;
s3, outputting the coupled signal to a frequency converter, carrying out down-conversion on the coupled signal to an L frequency band by the frequency converter, and sending the frequency-converted signal to signal processing equipment for signal analysis;
and S4, the analyzed signals and information are connected with an external ground analysis software computer through an RJ45 network interface.
The invention has the beneficial effects that: the invention can scan the frequency spectrum of X, KU frequency band signals of a designated satellite, detect frequency point signal parameters (signal center frequency and power level), detect environment parameters such as temperature and humidity outside equipment and report the environment parameters to a health management software system for information processing in real time.
Drawings
FIG. 1 is a block diagram of the system architecture of the present invention;
FIG. 2 is a block flow diagram of the method of the present invention;
fig. 3 is a flow chart of the coupling process inside the coupler module of the present invention.
Detailed Description
In order to more clearly understand the technical features, objects and effects of the present invention, the embodiments of the present invention will be described with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
Referring to fig. 1, a satellite signal X, KU frequency band spectrum monitoring sensor comprises a sensor device, a plurality of coupler devices, a frequency converter and a signal processing device; the input end of the sensor equipment is connected with equipment to be detected, information monitoring is carried out on the temperature and humidity of the external environment, and the output end of the sensor equipment is connected with the input end of the signal processing equipment; the input end of the coupler equipment receives X, KU frequency band signals, the output end of the coupler equipment is divided into two paths, one path is coupled and connected with the input end of the frequency converter, and the other path outputs X, KU frequency band loss signals through signal transmission processing; the output end of the frequency converter is connected with the input end of the signal processing equipment; the signal processing equipment analyzes and processes the information and the signals by receiving the environmental information detected by the sensor equipment and the signals after frequency conversion processing of the frequency converter.
The signal processing device comprises an amplifying filter and a microprocessor; the input end of the amplification filter is connected with the output end of the frequency converter, and the output end of the amplification filter is connected with the input end of the microprocessor; the input end of the microprocessor is also connected with the output end of the sensor equipment.
The sensor device is an ambient temperature and humidity sensor.
The plurality of coupler devices includes an X-band coupler and a Ku-band coupler.
The X, KU frequency band signal is directly output through the coupler device, and original frequency band characteristic information of the transmission signal is not influenced.
The X, KU frequency band signal is coupled and output through the coupler device to carry out spectrum monitoring and analysis, and original frequency band characteristic information of the transmission signal is not influenced.
The signal processing equipment is also connected with an external DC +12V direct current power supply.
The specific implementation mode of the invention is shown in figure 2:
s1, receiving the processed X, KU frequency band signals by a plurality of coupler devices; the sensor equipment detects temperature information and humidity information of the equipment to be detected and sends the detection information to the signal processing equipment;
s2, respectively coupling signals of the plurality of couplers according to the corresponding frequency bands;
s3, outputting the coupled signal to a frequency converter, carrying out down-conversion on the coupled signal to an L frequency band by the frequency converter, and sending the frequency-converted signal to signal processing equipment for signal analysis;
and S4, the analyzed signals and information are connected with an external ground analysis software computer through an RJ45 network interface.
The X, KU frequency band spectrum monitoring sensor comprises a X, KU frequency band coupler device, a frequency converter and a signal processing device, wherein the X, KU frequency band coupler device is used for respectively carrying out signal coupling on corresponding frequency bands, and then outputting the coupled signals to the signal processing device for processing. The X, KU frequency band coupler device embodies the principle as shown in figure 3.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A satellite signal X, KU frequency band spectrum monitoring sensor is characterized by comprising a sensor device, a plurality of coupler devices, a frequency converter and a signal processing device; the input end of the sensor equipment is connected with equipment to be detected, information monitoring is carried out on the temperature and humidity of the external environment, and the output end of the sensor equipment is connected with the input end of the signal processing equipment; the input end of the coupler equipment receives X, KU frequency band signals, the X, KU frequency band signals are subjected to spectrum monitoring and analysis through direct output and coupled output of the coupler equipment, original frequency band characteristic information of transmission signals is not influenced, the output end of the coupler equipment is divided into two paths, one path is coupled and connected with the input end of a frequency converter, the other path is subjected to signal transmission processing, and X, KU frequency band loss signals are output; the output end of the frequency converter is connected with the input end of the signal processing equipment; the signal processing equipment analyzes and processes the information and the signals by receiving the environmental information detected by the sensor equipment and the signals after frequency conversion processing of the frequency converter; the signal processing device comprises an amplifying filter and a microprocessor; the input end of the amplification filter is connected with the output end of the frequency converter, and the output end of the amplification filter is connected with the input end of the microprocessor; the input end of the microprocessor is also connected with the output end of the sensor equipment; the sensor device is an ambient temperature and humidity sensor.
2. The sensor for spectrum monitoring of satellite signal X, KU as claimed in claim 1, wherein said plurality of coupler devices include an X-band coupler and a Ku-band coupler.
3. The sensor for monitoring the spectrum of the X, KU frequency bands of the satellite signals, according to claim 1, wherein the signal processing device is further connected with an external DC +12V DC power supply.
4. A method for monitoring the X, KU frequency band spectrum of a satellite signal, which uses the X, KU frequency band spectrum monitoring sensor of any one of claims 1-3, and comprises the following steps:
s1, receiving the processed X, KU frequency band signals by a plurality of coupler devices; the sensor equipment detects temperature information and humidity information of the equipment to be detected and sends the detection information to the signal processing equipment;
s2, respectively coupling signals of the plurality of couplers according to the corresponding frequency bands;
s3, outputting the coupled signal to a frequency converter, carrying out down-conversion on the coupled signal to an L frequency band by the frequency converter, and sending the frequency-converted signal to signal processing equipment for signal analysis;
and S4, the analyzed signals and information are connected with an external ground analysis software computer through an RJ45 network interface.
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| CN101562485A (en) * | 2009-05-25 | 2009-10-21 | 北京航空航天大学 | Ku frequency band and multicarrier time-division multiple access satellite signal monitoring method |
| KR101244835B1 (en) * | 2012-09-17 | 2013-03-25 | 주식회사 디제이피 | Frequency detector |
| CN104767580A (en) * | 2015-05-06 | 2015-07-08 | 中国科学院遥感与数字地球研究所 | Alignment calibration testing system for X/Ka frequency band low-orbit remote sensing satellite ground receiving system |
| CN205864394U (en) * | 2016-04-22 | 2017-01-04 | 北京华晟欣瑞科技有限公司 | The signal receiving device of Ku/V waveband double-frequency radiometer |
| CN108540416A (en) * | 2018-03-21 | 2018-09-14 | 中国人民解放军国防科技大学 | Cognitive radio-based C/Ku frequency band NC-OFDM satellite communication method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207148326U (en) * | 2017-08-29 | 2018-03-27 | 四川中科川信科技有限公司 | A kind of GNSS is remotely located data acquisition transmission terminal |
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| CN101562485A (en) * | 2009-05-25 | 2009-10-21 | 北京航空航天大学 | Ku frequency band and multicarrier time-division multiple access satellite signal monitoring method |
| KR101244835B1 (en) * | 2012-09-17 | 2013-03-25 | 주식회사 디제이피 | Frequency detector |
| CN104767580A (en) * | 2015-05-06 | 2015-07-08 | 中国科学院遥感与数字地球研究所 | Alignment calibration testing system for X/Ka frequency band low-orbit remote sensing satellite ground receiving system |
| CN205864394U (en) * | 2016-04-22 | 2017-01-04 | 北京华晟欣瑞科技有限公司 | The signal receiving device of Ku/V waveband double-frequency radiometer |
| CN108540416A (en) * | 2018-03-21 | 2018-09-14 | 中国人民解放军国防科技大学 | Cognitive radio-based C/Ku frequency band NC-OFDM satellite communication method |
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