CN103873172A - Scattering channel environment parameter measuring device - Google Patents
Scattering channel environment parameter measuring device Download PDFInfo
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- CN103873172A CN103873172A CN201410138036.6A CN201410138036A CN103873172A CN 103873172 A CN103873172 A CN 103873172A CN 201410138036 A CN201410138036 A CN 201410138036A CN 103873172 A CN103873172 A CN 103873172A
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Abstract
The invention discloses a scattering channel environment parameter measuring device which is high in automatic degree, convenient to transport, mount and use, and capable of achieving long-term measuring and storing of scattering channel environment parameters. The scattering channel environment parameter measuring device comprises a scattering channel environment parameter measuring unit, a time unit, a processing and storing unit, a display unit, a communication interface unit and a power source. Through actual application, it is proved that the scattering channel environment parameter measuring device has a good practical effect.
Description
Technical field
The present invention is a kind of scatter channel environmental parameter measurement mechanism in the communications field, is specially adapted to nobody without in computer situation on duty, to the long-term measurement of scatter channel environmental parameter, easy to use.
Background technology
The environmental parameter of tropospheric scatter communica-tion and channel is closely bound up, accurately grasps environmental informations such as temperature, humidity, atmospheric pressure, could in the time that relevant parameter calculates, obtain result accurately, to ensure communication quality.Scatter channel environment comprehensive testing equipment measure the item is many at present, function is strong, needs a set of independently system but its shortcoming is equipment, needs the cooperation of computer, and cost is high, uses inconvenience.So, develop a kind of small-sized scatter channel environmental parameter measurement mechanism just highly significant.This testing equipment volume is little, is convenient to transport and installs, and on-line testing does not affect other business.
Summary of the invention
The object of the present invention is to provide a kind of automaticity high, be convenient to transport and installation, easy to use, the real-time online scatter channel environmental parameter measurement mechanism that do not affect proper communication.The sustainable collection of this equipment long record ambient parameter data, record data power-off is not lost.
The object of the present invention is achieved like this:
A kind of scatter channel environmental parameter measurement mechanism, comprises display unit 4, communications interface unit 5 and power supply 6, it is characterized in that: also comprise scatter channel environmental parameter measuring unit 1, time quantum 2 and reason and memory cell 3; The environmental parameter signals collecting is processed into digital signal data by described scatter channel environmental parameter measuring unit 1, passes to and process and memory cell 3; Time quantum 2 produces correct time information and is processed into digital signal data, passes to and processes and memory cell 3; Processing and memory cell 3 are further processed the data of sending here and temporal information, and the form that finally forms TXT file is stored in memory device; Meanwhile, processing and memory cell 3 are sent standard data after treatment into display unit 4 and are carried out the real-time demonstration of environmental parameter, and pass through the mutual of communications interface unit 5 realizations and external equipment, and data are sent.
Wherein, scatter channel environmental parameter measuring unit 1 comprises probe 7, environmental parameter measuring circuit 8 and environmental parameter processing unit 9; The 7 collection scatter channel environmental parameters of wherein popping one's head in, and produce analog signal, process through the sensor circuit in environmental parameter measuring circuit 8, convert digital signal to and be sent to environmental parameter processing unit 9, interior by protocol analysis at environmental parameter processing unit 9, read ambient parameter data and be packaged into format, give and process and memory cell 3.
Wherein, time quantum 2 comprises the special power supply circuits 10 of time quantum, clock circuit 11 and time parameter processing unit 12; Wherein the special power supply circuits 10 of time quantum are provide+3v of clock circuit 11 voltage; The temporal information of generation is sent to time parameter processing unit 12 by clock circuit 11, gives and process and memory cell 3 after time parameter processing unit 12 resolves temporal information encapsulate.
Wherein, processing and memory cell 3 comprise processor 13, file management control 14, memory circuit 15; Ambient parameter data and temporal information that wherein processor 13 is sent scatter channel environmental parameter measuring unit 1 and time quantum 2 here are processed and are integrated, data after treatment are sent into respectively to display unit 4, communications interface unit 5 and file management controller 14, the data that processor 13 is exported in 14 timings of file management controller are processed into file, finally send into the interior preservation of memory circuit 15.
The present invention's tool compared with background technology has the following advantages:
1. convenient transport, installation, use.
2. do not affect proper communication.
3. unattended operation.
4. change speed according to environmental parameter, automatically regulate acquisition time interval.
Brief description of the drawings
Fig. 1 is the electric functional-block diagram of the embodiment of the present invention.
Fig. 2 is the electric functional-block diagram of scatter channel environmental parameter measuring unit of the present invention.
Fig. 3 is the electric functional-block diagram of time quantum of the present invention.
Fig. 4 is the electric functional-block diagram of processing of the present invention and memory cell.
Embodiment
Referring to figs. 1 through Fig. 4, the present invention includes scatter channel environmental parameter measuring unit 1, time quantum 2, processes and memory cell 3, display unit 4, communications interface unit 5, power supply 6, as shown in Figure 1.Fig. 1 is electric functional-block diagram of the invention process.Wherein scatter channel environmental parameter measuring unit 1 was at interval of 1 minute, scatter channel environmental parameter is carried out to one-shot measurement, and measurement result is processed into digital signal data, pass to and process and memory cell 3, time quantum is responsible for producing correct time information, and be processed into equally digital signal data, pass to and process and memory cell 3; Processing and memory cell 3 are further processed the data of sending here and temporal information, and the form that finally forms TXT file is stored in memory device; Meanwhile, processing and memory cell 3 are sent standard data after treatment into display unit 4 and are carried out the real-time demonstration of environmental parameter, and pass through the mutual of communications interface unit 5 realizations and external equipment, and data are sent.Wherein, display unit adopts 10 LED charactrons to make, and can switch displaying time or environmental parameter information by button; Communications interface unit adopts W5100 Ethernet chip to make in conjunction with RJ45 network interface.Power supply 6 is for modules provides operating voltage, and embodiment adopts general integrated regulated power supply to make, and output+V voltage is+1.2V voltage that output+V2 voltage is+3.3V voltage.
With reference to Fig. 2, in described environmental parameter measuring unit 1, utilize probe 7 constantly to gather scatter channel environmental parameter, and in environmental parameter measuring circuit 8, amplify, AD conversion etc. forms digital signal after processing, offer environmental parameter processing unit 9, signal is further processed into standard data and gives the processor of data and memory cell and process.Environmental parameter measuring unit 1 adopts the various environmental parameters transducers such as the MS5803-01BA of intersema company of Switzerland to add peripheral circuit and makes.
With reference to Fig. 3, the effect of described time quantum 2 is for system provides correct time information, and due to environmental parameter real-time change in time, correct time information is particularly important.The special power supply circuits 10 of time quantum adopt button cell CR1220 to make, ensure in the time of device powers down, not power-off of time quantum, thereby guarantee the accuracy of time, clock circuit 11 adopts the DS1302SN of maxim company to make, provide comprise year, month, day, hour, the temporal information of minute, second, the data format that time parameter processing unit 12 is processed into standard temporal information is given the processor of data and memory cell and is processed.
With reference to Fig. 4, described processing and memory cell 3 are by processor 13, file management control 14, memory circuit 15 forms, ambient parameter data and temporal information that wherein processor 13 is sent scatter channel environmental parameter measuring unit 1 and time quantum 2 here are processed and are integrated, standard data after treatment is sent into display unit 4 and carry out the real-time demonstration of environmental parameter, and adopt ethernet communication protocol to pass through the mutual of communications interface unit 5 realizations and external equipment, data are sent, simultaneously, also deliver to file management controller 14, file management controller 14 is according to the situation of change of 20 data receiving recently, determine 1～5 minute interval time of data writing, timing deposits data in file, file memory format adopts TXT form, set up catalogue with current date, current time is set up filename, within every 2 hours, create a file, and image data is write in newly-established file, easy-to-look-up like this and check.File is kept in memory circuit 15, and memory circuit adopts SD blocking to do.
Above-mentioned environmental parameter processing unit 9, time parameter processing unit 12, processor 13, file management controller 14 adopt the CycloneII type FPGA that altera corp of a slice U.S. produces to make, and share its internal logic resource.
Memory time is relevant with acquisition time interval according to memory capacity, taking the SD card of a 4G capacity as example, suppose that interval gathers an environmental parameter for 1 minute, depositing txt file in is 80Byte, the data volume of one day is 80*60*24=115.2KB, the SD card of a 4G capacity is filled with data, and the operable time is 34722.2 days ≈ of 4000000/115.2 ≈ 95 years.If adopt larger capacity SD card or extend acquisition time interval, service time can be longer, really realized long-term unattended operation.Accumulation gathers scatter channel environmental parameter information in test, to calculating scattering phase related parameter, understands and grasp scattering and is subject to environmental parameter influencing characterisitic, and development scatter communication plays an important role.
The concise and to the point operation principle of the present invention is as follows:
The environmental parameter signals that scatter channel environmental parameter measurement mechanism collects probe is processed into digital signal data through scatter channel environmental parameter measuring unit 1, time quantum 2 provides temporal information with digital signal form, process and memory cell 3 by the data of sending here with temporal information is processed and be stored in memory device by the form that file management control is processed into file.Meanwhile, processing and memory cell 3 are sent standard data after treatment into display unit 4 and are carried out the real-time demonstration of environmental parameter, and pass through the mutual of communications interface unit 5 realizations and external equipment, and data are sent.
Claims (4)
1. a scatter channel environmental parameter measurement mechanism, comprise display unit (4), communications interface unit (5) and power supply (6), it is characterized in that: also comprise scatter channel environmental parameter measuring unit (1), time quantum (2) and reason and memory cell (3); The environmental parameter signals collecting is processed into digital signal data by described scatter channel environmental parameter measuring unit (1), passes to and process and memory cell (3); Time quantum (2) produces correct time information and is processed into digital signal data, passes to and processes and memory cell (3); Processing and memory cell (3) are further processed the data of sending here and temporal information, and the form that finally forms TXT file is stored in memory device; Meanwhile, processing and memory cell (3) are sent standard data after treatment into display unit (4) and are carried out the real-time demonstration of environmental parameter, and pass through the mutual of communications interface unit (5) realization and external equipment, and data are sent.
2. a kind of scatter channel environmental parameter measurement mechanism according to claim 1, is characterized in that: scatter channel environmental parameter measuring unit (1) comprises probe (7), environmental parameter measuring circuit (8) and environmental parameter processing unit (9); Wherein probe (7) gathers scatter channel environmental parameter, and produce analog signal, process through the sensor circuit in environmental parameter measuring circuit (8), convert digital signal to and be sent to environmental parameter processing unit (9), in environmental parameter processing unit (9) by protocol analysis, read ambient parameter data and be packaged into format, give and process and memory cell (3).
3. a kind of scatter channel environmental parameter measurement mechanism according to claim 1 and 2, is characterized in that: time quantum (2) comprises the special power supply circuits of time quantum (10), clock circuit (11) and time parameter processing unit (12); Wherein the special power supply circuits of time quantum (10) are provide+3v of clock circuit (11) voltage; The temporal information of generation is sent to time parameter processing unit (12) by clock circuit (11), gives and process and memory cell (3) after time parameter processing unit (12) resolves temporal information encapsulate.
4. according to a kind of scatter channel environmental parameter measurement mechanism described in claim 1,2 or 3, it is characterized in that: processing and memory cell (3) comprise processor (13), file management control (14), memory circuit (15); Ambient parameter data and temporal information that wherein processor (13) is sent scatter channel environmental parameter measuring unit (1) and time quantum (2) here are processed and are integrated, data after treatment are sent into respectively to display unit (4), communications interface unit (5) and file management controller (14), the data of processor (13) output are processed into file by file management controller (14) timing, finally sends in memory circuit (15) and preserve.
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| CN201410138036.6A CN103873172A (en) | 2013-11-19 | 2014-04-08 | Scattering channel environment parameter measuring device |
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| CN201410138036.6A CN103873172A (en) | 2013-11-19 | 2014-04-08 | Scattering channel environment parameter measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173591A (en) * | 2017-12-29 | 2018-06-15 | 中国人民解放军空军工程大学 | A kind of cognition tropospheric scatter communication system and method, wireless communication system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170336A (en) * | 2007-11-29 | 2008-04-30 | 上海交通大学 | Channel relevancy estimating method based on full wave analysis in multi-input and multi-output system |
| CN202472651U (en) * | 2011-10-26 | 2012-10-03 | 中国电子科技集团公司第五十四研究所 | Scattering channel test data storage module |
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2014
- 2014-04-08 CN CN201410138036.6A patent/CN103873172A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170336A (en) * | 2007-11-29 | 2008-04-30 | 上海交通大学 | Channel relevancy estimating method based on full wave analysis in multi-input and multi-output system |
| CN202472651U (en) * | 2011-10-26 | 2012-10-03 | 中国电子科技集团公司第五十四研究所 | Scattering channel test data storage module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173591A (en) * | 2017-12-29 | 2018-06-15 | 中国人民解放军空军工程大学 | A kind of cognition tropospheric scatter communication system and method, wireless communication system |
| CN108173591B (en) * | 2017-12-29 | 2021-05-04 | 中国人民解放军空军工程大学 | Cognitive troposphere scattering communication system and method and wireless communication system |
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Application publication date: 20140618 |