CN104494838B - The UAS of high spectral resolution aviation image remote sensing survey and method thereof - Google Patents
The UAS of high spectral resolution aviation image remote sensing survey and method thereof Download PDFInfo
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Abstract
The present invention is the UAS about a kind of high spectral resolution aviation image remote sensing survey and method thereof, and this system includes: lithium battery and power supply circuits thereof, adopt control box, high light spectrum image-forming spectrogrph, Gyroscopic stabilization platform, GPS assist inertial navigation and unmanned plane；Wherein lithium battery by power supply circuits with adopt control box, high light spectrum image-forming spectrogrph and be connected and be that it is powered；Adopt control box to include: arm processor, DSP image processor, high speed FLASH memory and high speed CF card, arm processor is connected with DSP image processor, high speed FLASH memory respectively, and high speed CF card is connected with DSP image processor；High light spectrum image-forming spectrogrph is connected with the DSP image processor adopting control box through CameraLink interface；GPS assists inertial navigation to be connected with the arm processor adopting control box through inertial navigation interface；The control system of unmanned plane is connected with the arm processor adopting control box。Integrated level of the present invention is high, lightweight, easy to assembly, maintenance cost is low。
Description
Technical field
The invention relates to aviation yardstick high-spectrum remote-sensing field, especially with respect to UAS and the method thereof of a kind of high spectral resolution aviation image remote sensing survey, can be applicable to the fields such as precision agriculture, mineral products prospecting, environmental monitoring。
Background technology
At present, aviation yardstick high-spectrum remote-sensing field, sensor carrying platform great majority are to have people's flying platform, such as fire balloon, dirigible, delta-winged aircraft, helicopter, remote sensing aeroplane, middle-size and small-size fixed wing airplane and other middle-size and small-size civil aircrafts etc.。Due to manned, have a big risk。Additionally needing and employ pilot, application spatial domain and course line, lease aircraft, airstrips, airplane parking area, airport etc., each flight cost is high, and mobility is poor, it is impossible in a short time the same area is tested repeatedly and monitors。The acquisition (gathering and storage) of its hyperspectral image data, there is no complete integrated data acquisition equipment, it is all utilize much single module to be connected by very long cable, each several part is powered alone, and the storage control core that gathers of data is all in most cases relatively large desktop computer or notebook。Owing to system is excessively scattered, each several part is individually powered, more limit mobility and the overall compactness of whole system。It addition, the speed of aircraft flight speed, sensor frame frequency and Back end data collection storage, it does not have accomplishing coupling completely, data subsequent treatment and image rectification difficulty are very big。These factors, limit the popularization and application in engineering and traffic measurement of the high light spectrum image-forming technology。And on the other hand, unmanned air vehicle technique develops quickly in recent years, technology reaches its maturity, and has had shown that great superiority in directions such as remote sensing of taking photo by plane, military and agriculture application。
As can be seen here, the acquisition equipment of above-mentioned existing hyperspectral image data in structure and uses, it is clear that has still suffered from inconvenience and defect, and has urgently been further improved。In order to solve above-mentioned Problems existing, relevant manufactures there's no one who doesn't or isn't seeks solution painstakingly, but having no applicable design for a long time to be developed, and common product does not have appropriate structure to can solve the problem that the problems referred to above, this is clearly the anxious problem being intended to solve of relevant dealer always。
Summary of the invention
It is an object of the invention to provide the UAS of a kind of high spectral resolution aviation image remote sensing survey and method thereof, by a kind of high integration, light high-spectrum remote sensing data acquisition control box, in conjunction with the advanced high light spectrum image-forming spectrogrph based on reflective optical system, the two is embedded in the light-duty unmanned aerial vehicle platform matched, it is integrated into set of system, i.e. EO-1 hyperion unmanned plane, obtains the demand of target in hyperspectral remotely sensed image data with the motor-driven low cost of satisfied height。
It is an object of the invention to realize by the following technical solutions。The present invention provides the UAS of a kind of high spectral resolution aviation image remote sensing survey, comprising: lithium battery and power supply circuits thereof, adopt control box, high light spectrum image-forming spectrogrph, Gyroscopic stabilization platform, GPS assist inertial navigation and unmanned plane；Wherein said lithium battery and power supply circuits thereof, adopt control box, high light spectrum image-forming spectrogrph, Gyroscopic stabilization platform, GPS assist inertial navigation be installed in inside described unmanned plane；Described high light spectrum image-forming spectrogrph is affixed by described Gyroscopic stabilization platform and described unmanned plane；Described lithium battery is connected by power supply circuits with described control box, the high light spectrum image-forming spectrogrph adopted and is that it is powered；Described control box of adopting includes: arm processor, DSP image processor, high speed FLASH memory and high speed CF card, arm processor is connected with DSP image processor, high speed FLASH memory respectively, and high speed CF card is connected with DSP image processor；Described high light spectrum image-forming spectrogrph is connected with the described DSP image processor adopting control box through CameraLink interface；Described GPS assists inertial navigation to be connected with the described arm processor adopting control box through inertial navigation interface；The control system of described unmanned plane is connected with the described arm processor adopting control box。
The purpose of the present invention also can be applied to the following technical measures to achieve further。
It is also preferred that the left the UAS of aforesaid high spectral resolution aviation image remote sensing survey, wherein said high light spectrum image-forming spectrogrph is the total-reflection type high light spectrum image-forming spectrogrph of big clear aperature。
It is also preferred that the left the UAS of aforesaid high spectral resolution aviation image remote sensing survey, wherein said high light spectrum image-forming spectrogrph is provided with described CameraLink interface and power supply interface, and this power supply interface is connected with described lithium battery by described power supply circuits。
It is also preferred that the left the UAS of aforesaid high spectral resolution aviation image remote sensing survey, wherein said high light spectrum image-forming spectrogrph is fixed on described Gyroscopic stabilization platform via clamping mechanism, is bolted on unmanned plane again through cushion and fastening。
Preferably, the UAS of aforesaid high spectral resolution aviation image remote sensing survey, wherein said control box of adopting is provided with described inertial navigation interface, described CameraLink interface, power supply interface, RS232 interface and connects screw thread group, this power supply interface is connected with described lithium battery by described power supply circuits, this RS232 interface is connected with host computer, and this connection screw thread group is connected with described unmanned plane。
It is also preferred that the left the UAS of aforesaid high spectral resolution aviation image remote sensing survey, the wherein said surface adopting control box adopts aurification to process。
The purpose of the present invention also realizes by the following technical solutions。The present invention provides a kind of method of high spectral resolution aviation image remote sensing survey, and it comprises the following steps: step S1, before unmanned plane takes off, to adopting control box and high light spectrum image-forming spectrogrph configuration acquisition parameter, gathering dark current and blank high-spectral data；Wherein, the speed of unmanned plane adopts below equation to mate with the acquisition parameter of high light spectrum image-forming spectrogrph: V=L/t=(2*H*Tan (θ/2))/t, wherein V is the speed of unmanned plane, t is every frame data time, θ is the instantaneous field of view angle of high light spectrum image-forming spectrogrph, L is ground fabric width corresponding for θ, and H is the flying height of unmanned plane；Step S2, in test flight, adopts control box and receives the triggering signal of unmanned aerial vehicle control system, start the course line according to setting and gather and store high-spectrum remote sensing data and the positional information of high light spectrum image-forming spectrogrph；Step S3, after flight terminates, adopts control box and receives the instruction from host computer, and collection terminates；The data gathered are downloaded by step S4；Step S5, utilizes geometric correction software, the data that auxiliary is downloaded, carries out the geometric correction of image。
The purpose of the present invention also can be applied to the following technical measures to achieve further。
It is also preferred that the left the method for aforesaid high spectral resolution aviation image remote sensing survey, it is characterised in that described step S1 includes: high light spectrum image-forming spectrogrph is focused, arranged high light spectrum image-forming spectrogrph spectrum channel and the time of integration。
It is also preferred that the left the method for aforesaid high spectral resolution aviation image remote sensing survey, it is characterised in that also include step S11 after described step S1: upper berth, air strips, ground sets the black and white plate of mark。
It is also preferred that the left the method for aforesaid high spectral resolution aviation image remote sensing survey, it is characterised in that the triggering mode of the collection of described step S2 is GPS site triggering collection。
It is also preferred that the left the method for aforesaid high spectral resolution aviation image remote sensing survey, it is characterised in that the positional information of high light spectrum image-forming spectrogrph described in step S2 includes: GPS position information, high light spectrum image-forming spectrogrph attitude parameter。
Preferably, the method of aforesaid high spectral resolution aviation image remote sensing survey, it is characterized in that, the data gathered are downloaded by described step S4 and include step S41: the RS232 interface adopting control box is connected by RS232 cable with host computer, what utilize host computer adopts control software, by the attitude parameter of RS232 agreement download GPS positional information, high light spectrum image-forming spectrogrph；And step S42: pull up the high speed CF card adopted on control box, by CF card reader, control software download high-spectrum remote sensing data via adopting of host computer。
By technique scheme, UAS and the method thereof of high spectral resolution aviation image remote sensing survey of the present invention at least have following advantages and beneficial effect: the UAS of a kind of high spectral resolution aviation image remote sensing survey provided by the invention and method thereof, can be applicable to the fields such as precision agriculture, mineral products prospecting, environmental monitoring, high-spectral data collection and memory module (namely adopting control box) are embedded in inside unmanned plane by it, constituting complete Hyperspectral imager, its integrated level is high, lightweight, compact, conveniently moving, practical simplicity。Higher in image spatial resolution and the spectral resolution of the acquisition of EO-1 hyperion air remote sensing yardstick, and there is bigger motility, it is suitable for researching and analysing of the information such as the atural object biochemistry of small area, physics and chemistry。The course line of unmanned plane and highly can changing within the specific limits, and data reclaims easily, the quality of data is high, and the maintenance maintenance of unmanned plane and equipment is easily。Maintenance cost is low, in a short time the same area can be tested repeatedly and monitor, due to the stratosphere active job that can not be able to arrive at satellite, it is possible to the calibration as satellite uses。
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, and in order to the above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows。
Accompanying drawing explanation
Fig. 1 is the UAS block diagram of the high spectral resolution aviation image remote sensing survey of the present invention。
Fig. 2 is the perspective view adopting control box of the present invention。
Fig. 3 is the axonometric chart of the high light spectrum image-forming spectrogrph of the present invention。
Fig. 4 is the axonometric chart of the clamping mechanism of the present invention。
Fig. 5 is the axonometric chart of the Gyroscopic stabilization platform of the present invention。
Fig. 6 is the high light spectrum image-forming spectrogrph connection diagram with clamping mechanism of the present invention。
Fig. 7 is the high light spectrum image-forming spectrogrph connection diagram with clamping mechanism, Gyroscopic stabilization platform of the present invention。
Fig. 8 is the flow chart of the method for the high spectral resolution aviation image remote sensing survey of the present invention。
Fig. 9 is the unmanned plane parameter matching algorithm principle axonometric chart with high light spectrum image-forming spectrogrph of the present invention。
[main element symbol description]
1: lithium battery 2: power supply circuits
3: adopt control box 30: relay indicating light
31:ARM processor 32:DSP image processor
33: high speed FLASH memory 34: high speed CF card
35: inertial navigation interface 36: power supply interface
37:RS232 interface 38:CameraLink interface
39: connect screw thread group 4: high light spectrum image-forming spectrogrph
41:CameraLink interface 42: power supply interface
43: fastening screw female seat 5: Gyroscopic stabilization platform
51: connect screw thread 52: connect interface
6:GPS assists inertial navigation 61:GPS receiver module
62:IMU inertial navigation 7: unmanned plane
71: unmanned aerial vehicle control system 8: host computer
9: clamping mechanism 91: connection rotating shaft
92: connecting hole 93: trip bolt
Detailed description of the invention
For further setting forth that the present invention reaches technological means and effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to the UAS of a kind of high spectral resolution aviation image remote sensing survey proposed according to the present invention and the detailed description of the invention of method, structure, feature and effect thereof, describe in detail as after。
Embodiment one, the UAS of high spectral resolution aviation image remote sensing survey。
Referring to Fig. 1, the UAS of the high spectral resolution aviation image remote sensing survey of the present invention includes: lithium battery 1 and power supply circuits 2 thereof, adopt control box 3, high light spectrum image-forming spectrogrph 4, Gyroscopic stabilization platform 5, GPS assist inertial navigation 6 and unmanned plane 7。Wherein, lithium battery 1 and power supply circuits 2 thereof, adopt control box 3, high light spectrum image-forming spectrogrph 4, that Gyroscopic stabilization platform 5 and GPS assist inertial navigation 6 to be installed in unmanned plane 7 is internal。
Concrete, lithium battery 1 by power supply circuits 2 respectively with adopt control box 3, high light spectrum image-forming spectrogrph 4 is connected, for its power supply, and unmanned plane has the dynamical system of oneself, need not external electric supply installation。
Please refer to Fig. 1 and Fig. 2, adopt control box 3 and include arm processor 31, DSP image processor 32, high speed FLASH memory 33 and high speed CF card 34。Arm processor 31 is connected with DSP image processor 32, high speed FLASH memory 33 respectively, and high speed CF card 34 is connected with DSP image processor 32。Refer to Fig. 2 (omitting the arm processor 31 of inside, DSP image processor 32, high speed FLASH memory 33 in figure), adopt control box 3 and be additionally provided with inertial navigation interface 35, power supply interface 36, RS232 interface 37, CameraLink interface 38 and connect screw thread group 39。Power supply interface 36 is connected with lithium battery 1 by power supply circuits 2。Adopt control box 3 affixed with unmanned plane by connecting screw thread group 39。Meanwhile, adopt control box 3 be additionally provided with the relay indicating light 30 for display working condition, adopt control box 3 surface adopt aurification process, in order to completely cut off high light spectrum image-forming spectrogrph 4 to unmanned plane 7 and unmanned plane 7 electromagnetic interference to high light spectrum image-forming spectrogrph 4。Concrete, adopt the control data acquisition of box 3 and storing process is: after adopting the triggering signal that the arm processor 31 of control box 3 receives the specific format that the control system 71 of unmanned plane 7 provides, send instructions to DSP image processor 32, allowing it gather high-spectrum remote sensing data, the high-spectrum remote sensing data of collection are stored in high speed CF card 34 by DSP image processor 32；Arm processor 31 sends instructions to GPS and assists inertial navigation 6 simultaneously, is stored in FLASH memory 33 after reading its GPS position information and attitude parameter。Adopting control box 3 is integrate Data acquisition and storage, the positional information of storage high-spectrum remote sensing data and each two field picture high light spectrum image-forming spectrogrph one to one can be gathered simultaneously, positional information includes: GPS position information (longitude, latitude), height above sea level, high light spectrum image-forming spectrogrph attitude parameter (driftage, rolling, pitching), its integrated level is high, compact conformation。
Please refer to Fig. 1 to Fig. 3, high light spectrum image-forming spectrogrph 4 is provided with CameraLink interface 41, power supply interface 42 and fastening screw female seat 43, CameraLink line is utilized to connect the CameraLink interface 41 of high light spectrum image-forming spectrogrph 4 and the CameraLink interface 38 adopting control box 3, so that high light spectrum image-forming spectrogrph 4 is connected with the DSP image processor 32 adopting control box 3, therefore, the high-spectrum remote sensing data that high light spectrum image-forming spectrogrph 4 gathers can pass through the transmission of CameraLink line to adopting the DSP image processor 32 controlling box 3, the DSP image processor 32 directly configuration acquisition parameter that is used for sending instructions goes to gather high spectrum image, after image cache, it is stored in high speed CF card 34。Power supply interface 42 is connected with lithium battery 1 by power supply circuits 2。High light spectrum image-forming spectrogrph 4 is preferably the total-reflection type high light spectrum image-forming spectrogrph of big clear aperature。
More detailed, refer to Fig. 3, Fig. 4 and Fig. 6, the connecting hole 92 of clamping mechanism 9 and the fastening screw female seat 43 of high light spectrum image-forming spectrogrph 4 connect, and trip bolt 93 and high light spectrum image-forming spectrogrph 4 again through clamping mechanism 9 are fixed together。Referring again to Fig. 5 and Fig. 7, Gyroscopic stabilization platform 5 is provided with connection screw thread 51 and connects interface 52, after clamping mechanism 9 and high light spectrum image-forming spectrogrph 4 are fixed together, entirety connects with the connection interface 52 of Gyroscopic stabilization platform 5 again through the connection rotating shaft 91 of clamping mechanism 9, multiple connection screw threads 51 finally by fastening bolt and Gyroscopic stabilization platform 5, through the cushion of specific natural frequency, assembling entirety is connected with unmanned plane 7。
GPS assists inertial navigation 6 to include GPS receiver module 61 and IMU inertial navigation 62, wherein GPS receiver module 61 can be embedded in adopt in control box 3 or be located at and adopt control box 3 outside, GPS receiver module 61 is for receiving the GPS information of satellite, to assist IMU inertial navigation 62 position and test the speed, IMU inertial navigation 62 is for recording the attitude parameter of high light spectrum image-forming spectrogrph 4, such as the deflection angle of three axles and speed etc.。GPS assists inertial navigation 6 to be connected with the arm processor 31 adopting control box 3 through the inertial navigation interface 35 adopting control box 3, is stored in FLASH memory 33 after reading with the GPS position information and IMU inertial guidance data that GPS assists inertial navigation 6。
The control system 71 of unmanned plane 7 is connected with the arm processor 31 adopting control box 3, concrete, it is that the holding wire of the control system 71 of unmanned plane 7 is connected with the arm processor 31 adopting control box 3, so that triggering signal transmissions to be given the arm processor 31 adopting control box 3, namely arm processor 31 starts to gather data after receiving triggering signal。
Generally speaking, the modules that high-spectrum remote sensing data acquisition and storage rely on is integrated into and adopts control box 3 by the UAS of the high spectral resolution aviation image remote sensing survey of the present invention, and it is embedded in the inside of unmanned plane 7, concrete, mainly it is responsible for the positional information (longitude, latitude, height above sea level, pitching, rolling, driftage, speed, horizontal accuracy etc.) gathering high-spectrum remote sensing data and corresponding high light spectrum image-forming spectrogrph, it is ensured that the high speed acquisition of the two and one_to_one corresponding。After test terminates, host computer 8 can be passed through and carry out data download, constitute complete Hyperspectral imager, reach that integrated level is high, lightweight, compact, the effect of conveniently moving, practical simplicity。
Embodiment two, the method for high spectral resolution aviation image remote sensing survey。
The present invention also proposes a kind of method of high spectral resolution aviation image remote sensing survey, refers to Fig. 8, specifically includes following steps:
Step S1, before unmanned plane takes off, to adopting control box and high light spectrum image-forming spectrogrph configuration acquisition parameter, gathering dark current and blank high-spectral data；
Concrete, in step sl, it is carried out herein below: high light spectrum image-forming spectrogrph is focused, arranged the acquisition parameters such as high light spectrum image-forming spectrogrph spectrum channel and the time of integration；Wherein, gathering dark current and blank high-spectral data is for ground calibration, the high-spectral data of blank can be used as asking the reflectance of the atural object recorded in subsequent flights。
Wherein, the flight speed being adjusted unmanned plane by certain algorithm principle is mated with the acquisition parameter of high light spectrum image-forming spectrogrph, concrete, the parameter matching algorithm principle axonometric chart of unmanned plane as shown in Figure 9 and high light spectrum image-forming spectrogrph, t is every frame data time, θ is the instantaneous field of view angle of high light spectrum image-forming spectrogrph, and the ground fabric width L of its correspondence is the patch length that single phase unit is corresponding, namely this height and；For the angle of visual field, corresponding ground fabric width is the space dimension direction patch length that unit's number is corresponding mutually。Unmanned plane is in certain altitude H flight operation, want frame frequency and its speeds match of high light spectrum image-forming spectrogrph, it is necessary to meet V=L/t=(2*H*Tan (θ/2))/t, namely in frame time t, unmanned plane must be able to certain speed V, and cover width is the distance of L。
After performing step S1, also need to perform following step S11: upper berth, air strips, ground sets the black and white plate of mark, gathers the high-spectral data of black and white plate, to carry out atmospheric correction in subsequent flights is tested on air strips。
Step S2, in test flight, adopts control box and receives the triggering signal of unmanned aerial vehicle control system, start the course line according to setting and gather and store high-spectrum remote sensing data and the positional information of high light spectrum image-forming spectrogrph；
Concrete, the triggering mode gathered is GPS site triggering collection, unmanned plane arrives specifies GPS site, the control system of unmanned plane provides tactile the signaling to of specific format and adopts control box, adopt control box when receiving this specified trigger signals, start gather and store high-spectrum remote sensing data and the positional information of high light spectrum image-forming spectrogrph。Concrete data acquisition and storing process illustrate in embodiment one, do not repeat them here。It should be noted that, adopting control box is the positional information gathering simultaneously and storing high-spectrum remote sensing data and each two field picture high light spectrum image-forming spectrogrph one to one, high-spectrum remote sensing data are the high-spectrum remote sensing data comprising ground black and white plate, adopt control box while gathering setting region, air strips object spectrum image data, by the high-spectrum remote sensing data of the ground black and white plate collected as atmospheric correction, i.e. in-flight calibration, is demarcation and the correction of a kind of collection result。The positional information of high light spectrum image-forming spectrogrph includes: the data messages such as GPS position information (longitude, latitude), the attitude parameter (driftage, rolling, pitching) of high light spectrum image-forming spectrogrph and height above sea level；
Step S3, after flight terminates, adopts control box and receives the instruction from host computer, and collection terminates；
Concrete, testing all setting course lines, after flight terminates, the RS232 interface adopting control box is connected by RS232 cable with host computer, utilizes the special of ground host computer loading to adopt control software, sends instructions to adopt control box via RS232 agreement, and collection terminates。
The data gathered are downloaded by step S4；
Concrete, the data downloaded in step S4 include: GPS position information, the attitude parameter of high light spectrum image-forming spectrogrph and high-spectrum remote sensing data；Wherein download data to comprise the following steps:
Step S41: the RS232 interface adopting control box is connected by RS232 cable with host computer, and what utilize host computer adopts control software, by the attitude parameter of RS232 agreement download GPS positional information, high light spectrum image-forming spectrogrph；And
Step S42: pull up the high speed CF card adopted on control box, by CF card reader, controls software download high-spectrum remote sensing data via adopting of host computer 7。
Step S5, utilizes geometric correction software, the data that auxiliary is downloaded, carries out the geometric correction of image；
Concrete, in step S5, it is utilize geometric correction software, according to row related algorithm principle, the attitude parameter of assisted GPS position information and high light spectrum image-forming spectrogrph, carries out the geometric correction of image。
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is the content without departing from technical solution of the present invention, according to any simple modification that above example is made by the technical spirit of the present invention, equivalent variations and modification, all still fall within the scope of technical solution of the present invention。
Claims (12)
1. the UAS of a high spectral resolution aviation image remote sensing survey, it is characterised in that including: lithium battery and power supply circuits thereof, adopt control box, high light spectrum image-forming spectrogrph, Gyroscopic stabilization platform, GPS assist inertial navigation and unmanned plane；Wherein
Described lithium battery and power supply circuits thereof, adopt control box, high light spectrum image-forming spectrogrph, Gyroscopic stabilization platform, GPS assist inertial navigation be installed in inside described unmanned plane；
Described high light spectrum image-forming spectrogrph is affixed by described Gyroscopic stabilization platform and described unmanned plane；
Described lithium battery is connected by power supply circuits with described control box, the high light spectrum image-forming spectrogrph adopted and is that it is powered；
Described control box of adopting includes: arm processor, DSP image processor, high speed FLASH memory and high speed CF card, arm processor is connected with DSP image processor, high speed FLASH memory respectively, and high speed CF card is connected with DSP image processor；
Described high light spectrum image-forming spectrogrph is connected with the described DSP image processor adopting control box through CameraLink interface；
Described GPS assists inertial navigation to be connected with the described arm processor adopting control box through inertial navigation interface；
The control system of described unmanned plane is connected with the described arm processor adopting control box。
2. the UAS of high spectral resolution aviation image remote sensing survey according to claim 1, it is characterised in that described high light spectrum image-forming spectrogrph is the total-reflection type high light spectrum image-forming spectrogrph of big clear aperature。
3. the UAS of high spectral resolution aviation image remote sensing survey according to claim 2, it is characterized in that, described high light spectrum image-forming spectrogrph is provided with described CameraLink interface and power supply interface, and this power supply interface is connected with described lithium battery by described power supply circuits。
4. the UAS of high spectral resolution aviation image remote sensing survey according to claim 1, it is characterized in that, described high light spectrum image-forming spectrogrph is fixed on described Gyroscopic stabilization platform via clamping mechanism, is bolted on unmanned plane again through cushion and fastening。
5. the UAS of high spectral resolution aviation image remote sensing survey according to claim 1, it is characterized in that, described control box of adopting is provided with described inertial navigation interface, described CameraLink interface, power supply interface, RS232 interface and connects screw thread group, this power supply interface is connected with described lithium battery by described power supply circuits, this RS232 interface is connected with host computer, and this connection screw thread group is connected with described unmanned plane。
6. the UAS of high spectral resolution aviation image remote sensing survey according to claim 1, it is characterised in that described in adopt control box surface adopt aurification process。
7. the method for a high spectral resolution aviation image remote sensing survey, it is characterised in that comprise the following steps:
Step S1, before unmanned plane takes off, to adopting control box and high light spectrum image-forming spectrogrph configuration acquisition parameter, gathering dark current and blank high-spectral data；
Wherein, the speed of unmanned plane adopts below equation to mate with the acquisition parameter of high light spectrum image-forming spectrogrph: V=L/t=(2*H*Tan (θ/2))/t, wherein V is the speed of unmanned plane, t is every frame data time, θ is the instantaneous field of view angle of high light spectrum image-forming spectrogrph, L is ground fabric width corresponding for θ, and H is the flying height of unmanned plane；
Step S2, in test flight, adopts control box and receives the triggering signal of unmanned aerial vehicle control system, start the course line according to setting and gather and store high-spectrum remote sensing data and the positional information of high light spectrum image-forming spectrogrph；
Step S3, after flight terminates, adopts control box and receives the instruction from host computer, and collection terminates；
The data gathered are downloaded by step S4；
Step S5, utilizes geometric correction software, the data that auxiliary is downloaded, carries out the geometric correction of image。
8. the method for high spectral resolution aviation image remote sensing survey according to claim 7, it is characterised in that described step S1 includes: high light spectrum image-forming spectrogrph is focused, arranged high light spectrum image-forming spectrogrph spectrum channel and the time of integration。
9. the method for high spectral resolution aviation image remote sensing survey according to claim 7, it is characterised in that also include step S11 after described step S1: upper berth, air strips, ground sets the black and white plate of mark。
10. the method for high spectral resolution aviation image remote sensing survey according to claim 7, it is characterised in that the triggering mode of the collection of described step S2 is GPS site triggering collection。
11. the method for high spectral resolution aviation image remote sensing survey according to claim 7, it is characterised in that the positional information of high light spectrum image-forming spectrogrph described in step S2 includes: GPS position information, high light spectrum image-forming spectrogrph attitude parameter。
12. the method for high spectral resolution aviation image remote sensing survey according to claim 11, it is characterized in that, the data gathered are downloaded by described step S4 and include step S41: the RS232 interface adopting control box is connected by RS232 cable with host computer, what utilize host computer adopts control software, by the attitude parameter of RS232 agreement download GPS positional information, high light spectrum image-forming spectrogrph；And step S42: pull up the high speed CF card adopted on control box, by CF card reader, control software download high-spectrum remote sensing data via adopting of host computer。
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| CN105292508B (en) * | 2015-11-24 | 2018-06-29 | 孙颖 | A kind of imaging method of the scanning imaging system based on rotor wing unmanned aerial vehicle |
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