CN1564027A - Aerological detecting GPS wind detection unit and wind detection method - Google Patents
Aerological detecting GPS wind detection unit and wind detection method Download PDFInfo
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- CN1564027A CN1564027A CN 200410029936 CN200410029936A CN1564027A CN 1564027 A CN1564027 A CN 1564027A CN 200410029936 CN200410029936 CN 200410029936 CN 200410029936 A CN200410029936 A CN 200410029936A CN 1564027 A CN1564027 A CN 1564027A
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- gps
- correlator
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- detection unit
- wind detection
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Abstract
The method includes steps: GPS signal receiving antenna in wind measurement unit receives GPS satellite signal and inputs the signal to amplifier, where signal is magnified. Magnified signal is sent to correlator to obtain delayed time of signal sent from GPS satellite between the satellite and the wind measurement unit. The said delayed time is sent to single chip, which connected to the correlator through data, address and control buses. The correlator sends sampled time signal to the signal amplifier. The single chip carries out initialization, and corrects measured data from the correlator, and sends the said corrected through communication port to transmit to computer on ground. Combining with information in GPS station, the computer carries out positioning process so as to obtain spatial position and wind speed of the GPS wind measurement unit. Features are simple structure, stable and reliable.
Description
Technical field
The present invention relates to a kind of sonde device and measuring method thereof.
Background technology
Existing GPS sonde device, i.e. sonde, it carries lift-off by balloon, adopts complete GPS receiver, also comprises gps signal receiving antenna, signal amplification circuit, correlator and computing machine, and computing machine comprises RAM, ROM and CPU.To finish tasks such as gps signal reception, amplification, frequency conversion despreading are handled, gather measurement data, positioned computing, correspondence with foreign country aloft.This instrument price is expensive, and each acquisition cost is higher, and professional the detection is difficult to bear, and requires further improvement.
Summary of the invention
The purpose of this invention is to provide a kind of aerological sounding GPS wind detection unit and wind detection method, solve existing aerological instrument for wind measurement complex structure, the too high problem of cost.
Technical scheme of the present invention: aerological sounding GPS wind detection unit, carry lift-off by balloon, it is characterized in that:
It is electrically connected in proper order by gps signal receiving antenna, signal amplifier, correlator and single-chip microcomputer, by radio communication line earthward computing machine transmit measurement data.
Above-mentioned signal amplifier is the integrated amplifier on basis by the series connection of low noise amplifier and radio frequency amplifier or by transistor amplifier circuit.
Above-mentioned signal amplifier also is connected with wave filter, SAW (Surface Acoustic Wave) filter and temperature compensating crystal oscillator.
Above-mentioned correlator is GP2021 correlator or other correlator.
Above-mentioned single-chip microcomputer is Intel8797JF single-chip microcomputer or other single-chip microcomputers.
This aerological sounding GPS wind detection method carries lift-off with above-mentioned aerological sounding GPS wind detection unit by balloon, it is characterized in that aerological sounding GPS wind detection unit carries out following detection steps:
(1), aerological sounding GPS wind detection unit receives gps satellite signal by the gps signal receiving antenna, and with this signal input signal amplifier;
(2), signal amplifier amplifies gps satellite signal, after give correlator, correlator obtains the time delay of signal from gps satellite to the GPS wind detection unit of gps satellite emission, send into single-chip microcomputer, be electrically connected by data bus, address bus and control bus between correlator and the single-chip microcomputer, correlator is also carried sampling clock signal to signal amplifier;
(3), single-chip microcomputer carries out initialization to correlator, and gathers the measurement data of correlator input
(4), the measurement data of gathering is exported by serial communication port or other serial communication port of correlator, and reach ground-based computer by radio communication line, ground-based computer positions processing in conjunction with base station GPS information, obtains position and the wind speed of GPS wind detection unit in the space.
Beneficial effect: aerological sounding GPS wind detection unit of the present invention is simple in structure, and cost is low, and is reliable and stable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Embodiment: referring to Fig. 1, aerological sounding GPS wind detection unit carries lift-off by balloon, it is electrically connected in proper order by gps signal receiving antenna, signal amplifier, correlator and single-chip microcomputer, by the serial communication interface of GPS correlator computing machine output measurement data earthward.
Above-mentioned signal amplifier is in series by low noise amplifier LNA and radio frequency amplifier GP2015, and also can adopt other is the integrated amplifier on basis by transistor amplifier circuit.For improving amplification effect, above-mentioned signal amplifier also is connected with the LC wave filter of 175Mhz, the SAW (Surface Acoustic Wave) filter of 35MHz and the TCXO temperature compensating crystal oscillator of 10MHz.
Correlator can be selected GP2021 correlator or similar correlator.
Single-chip microcomputer can be selected Intel8797JF single-chip microcomputer or similar single-chip microcomputer.
This aerological sounding GPS wind detection method carries lift-off with above-mentioned aerological sounding GPS wind detection unit by balloon, and following detection steps is arranged:
(1), aerological sounding GPS wind detection unit receives gps satellite signal by the gps signal receiving antenna, and with this signal input signal amplifier;
(2), signal amplifier amplifies gps satellite signal, after give correlator, correlator obtains the time delay of signal from gps satellite to the GPS wind detection unit of gps satellite emission, send into single-chip microcomputer, be electrically connected by data bus, address bus and control bus between correlator and the single-chip microcomputer, correlator is also carried sampling clock signal to signal amplifier;
(3), single-chip microcomputer carries out initialization to correlator, and gathers the measurement data of correlator input
(4), the measurement data of gathering is exported by serial communication port or other serial communication port of correlator, and reach ground-based computer by radio communication line, ground-based computer positions processing in conjunction with base station GPS information, obtains position and the wind speed of GPS wind detection unit in the space.
Claims (6)
1, a kind of aerological sounding GPS wind detection unit carries lift-off by balloon, it is characterized in that:
It is electrically connected in proper order by gps signal receiving antenna, signal amplifier, correlator and single-chip microcomputer, by wireless communication mode earthward computing machine transmit measurement data.
2, aerological sounding GPS wind detection unit according to claim 1 is characterized in that: described signal amplifier is the integrated amplifier on basis by the series connection of low noise amplifier and radio frequency amplifier or by transistor amplifier circuit.
3, aerological sounding GPS wind detection unit according to claim 1 and 2, it is characterized in that: described signal amplifier also is connected with wave filter, SAW (Surface Acoustic Wave) filter and temperature compensating crystal oscillator.
4, aerological sounding GPS wind detection unit according to claim 1 and 2 is characterized in that: described correlator is GP2021 correlator or other correlator.
5, aerological sounding GPS wind detection unit according to claim 1 is characterized in that: described single-chip microcomputer is Inte18797JF single-chip microcomputer or other single-chip microcomputer.
6, a kind of aerological sounding GPS wind detection method carries lift-off with above-mentioned aerological sounding GPS wind detection unit by balloon, it is characterized in that aerological sounding GPS wind detection unit carries out following detection steps:
(1), aerological sounding GPS wind detection unit receives gps satellite signal by the gps signal receiving antenna, and with this signal input signal amplifier;
(2), signal amplifier amplifies gps satellite signal, after give correlator, correlator obtains the time delay of signal from gps satellite to the GPS wind detection unit of gps satellite emission, send into single-chip microcomputer, be electrically connected by data bus, address bus and control bus between correlator and the single-chip microcomputer, correlator is also carried sampling clock signal to signal amplifier;
(3), single-chip microcomputer carries out initialization to correlator, and gathers the measurement data of correlator input
(4), the measurement data of gathering is exported by serial communication port or other serial communication port of correlator, and reach ground-based computer by radio communication line, ground-based computer positions processing in conjunction with base station GPS information, obtains position and the wind speed of GPS wind detection unit in the space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410029936 CN1564027A (en) | 2004-04-06 | 2004-04-06 | Aerological detecting GPS wind detection unit and wind detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410029936 CN1564027A (en) | 2004-04-06 | 2004-04-06 | Aerological detecting GPS wind detection unit and wind detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1564027A true CN1564027A (en) | 2005-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 200410029936 Pending CN1564027A (en) | 2004-04-06 | 2004-04-06 | Aerological detecting GPS wind detection unit and wind detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100380964C (en) * | 2005-01-19 | 2008-04-09 | 华东师范大学 | Wireless video frequency data mixing transmitting system with multiple channel and platform |
| CN104252010A (en) * | 2013-06-27 | 2014-12-31 | 深圳航天东方红海特卫星有限公司 | Radiosonde and weather data measuring method thereof |
-
2004
- 2004-04-06 CN CN 200410029936 patent/CN1564027A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100380964C (en) * | 2005-01-19 | 2008-04-09 | 华东师范大学 | Wireless video frequency data mixing transmitting system with multiple channel and platform |
| CN104252010A (en) * | 2013-06-27 | 2014-12-31 | 深圳航天东方红海特卫星有限公司 | Radiosonde and weather data measuring method thereof |
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