CN104678460A - Testing device and method of laser rainfall phenomenon viewer - Google Patents
Testing device and method of laser rainfall phenomenon viewer Download PDFInfo
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- CN104678460A CN104678460A CN201510104254.2A CN201510104254A CN104678460A CN 104678460 A CN104678460 A CN 104678460A CN 201510104254 A CN201510104254 A CN 201510104254A CN 104678460 A CN104678460 A CN 104678460A
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Abstract
The invention provides a testing device and a testing method of a laser rainfall phenomenon viewer. The testing device comprises a transparent disc (1), wherein the transparent disc (1) is connected with a driving motor (4) through a connecting shaft (3); the driving motor (4) is used for driving the transparent disc (1) to rotate in a specific rotation speed; the driving motor (4) is connected with a motor drive (5); the motor drive (5) is used for controlling the rotation speed of the driving motor (4); a simulation paste (2) is adhered to the transparent disc (1); the simulation paste (2) is of known shape and size; the transparent disc (1) is arranged in a testing area of the laser rainfall phenomenon viewer to rotate.
Description
Technical field
The present invention relates to laser technology field, particularly the scopic proving installation of a kind of laser precipitation phenomenon and method.
Background technology
The observation of precipitation phenomenon is one of project the most basic in surface weather observation.The data such as type of precipitation, instantaneous precipitation intensity, quantity of precipitation and radar reflectivity, all can as the important evidence differentiating the natural science phenomenons such as meteorology, the hydrology and resource environment.This has great practical value in agricultural production, communications and transportation and the field such as to prevent and reduce natural disasters.
Laser precipitation phenomenon visualizer also claims raindrop spectrometer, is a kind of instrument being weighed precipitation phenomenon by optical principle.Its principle can be concise and to the point be summarized as follows: in the measured zone of described precipitation measurement instrument, arrange uniform laser beam, when precipitation particles (as raindrop, snowflake, hail) by as described in measured zone, certain blocking will be produced to laser beam, so utilize optical sensor to gather precipitation particles block area and the time of laser beam, using as output data; And then described output data can be utilized, calculate and export the data about precipitation phenomenon such as type of precipitation, instantaneous precipitation intensity, quantity of precipitation and radar reflectivity.
In order to test described precipitation measurement instrument and verify, then also need the scopic proving installation of laser precipitation phenomenon.Whether whether described proving installation generally needs the generation of sharp simulated precipitation phenomenon by some way in the measured zone of precipitation measurement instrument, intact with the performance of testing precipitation measurement instrument, calculate accurate.
In prior art, take the mode discharging freely falling body steel ball in measured zone, with steel ball simulated precipitation particle, reach the object of emulation testing.But the defect of the method is, cannot control accurately in test process for freely falling body steel ball, and cannot simulate high speed precipitation particles as hail, and simulation degree is more single, is difficult to simulate as the comparatively complicated precipitation phenomenon of rain and snow mixed and so on.
Summary of the invention
In view of this, the object of the present invention is to provide the scopic proving installation of a kind of laser precipitation phenomenon and method, utilize the paster simulated precipitation particle on transparent disc, and control transparent disc and rotate in test zone, to realize the precipitation emulation testing of pinpoint accuracy.
For achieving the above object, the present invention has following technical scheme:
The scopic proving installation of a kind of laser precipitation phenomenon, described device comprises:
A transparent disc (1), described transparent disc (1) is connected to drive motor (4) by coupling shaft (3), and described drive motor (4) drives described transparent disc (1) to rotate with specific rotating speed; Described drive motor (4) is connected to motor driver (5), and described motor driver (5) controls the rotating speed of described drive motor (4);
Described transparent disc (1) posts simulation paster (2), described simulation paster (2) has known shape and size, and described transparent disc (1) is placed in the scopic test zone of described laser precipitation phenomenon and rotates.
Described device also comprises:
Described drive motor (4) is fixed to adjusting base (7) by lifting support frame (6); Described lifting support frame (6) controls drive motor (4) and moves in the Z-axis direction.
Institute's adjusting base (7) comprising:
, a Y-direction slide rail (8), described lifting support frame (6) is installed on described Y-direction slide rail (8) by slide block (9), Y-direction motor (10) drives described slide block (9) in the upper slip of described Y-direction slide rail (8), moves in the Y-axis direction to make described lifting support frame (6) and drive motor (4);
Y-direction slide rail (8) is arranged on two parallel X on slide rail (11), and described X is mutually vertical with described Y-direction slide rail (8) to slide rail (11); X drives described Y-direction slide rail (8) to slide on slide rail at X to motor (12), moves in the X-axis direction to make described lifting support frame (6) and drive motor (4).
Described X is connected to motor driver (5) to motor (12) and Y-direction motor (10), and described motor driver (5) control X is to the start and stop of motor (12) and Y-direction motor (10).
The scopic method of testing of a kind of laser precipitation phenomenon, described method utilizes the proving installation as described in Claims 1 to 4 any one, specifically comprises following:
To post the transparent disc of simulation paster, be placed in the scopic test zone of described laser precipitation phenomenon and rotate, described simulation paster meets default simulated data;
Gather the test data that laser precipitation phenomenon visualizer exports, and judge that the difference of described test data and described simulated data is whether within error threshold scope, if it is thinks and tests successfully.
Described simulated data comprises, the shape and size of simulation paster; The linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon; Then described will post simulation paster transparent disc, be placed in the scopic test zone of described laser precipitation phenomenon and rotate, described simulation paster meets default simulated data and is specially:
To the transparent disc of the simulation paster meeting preset shape and size be posted, be placed in the scopic test zone of described laser precipitation phenomenon and rotate with specific angle speed, reach to make described simulation paster the linear velocity meeting simulated data;
The test data that then described laser precipitation phenomenon visualizer exports comprises, and records precipitation particles shape and size, and the sinking speed of precipitation particles.
Described simulated data also comprises:
Utilize the shape and size of described simulation paster, the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain standard quantity of precipitation;
The test data that then described laser precipitation phenomenon visualizer exports also comprises, and measures quantity of precipitation.
Described simulated data also comprises:
Utilize the shape and size of described simulation paster and the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain the instantaneous precipitation intensity of standard;
The test data that then described laser precipitation phenomenon visualizer exports also comprises, and measures instantaneous precipitation intensity.
Described simulated data also comprises:
Utilize the shape and size of described simulation paster and the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain standard radar reflectivity;
The test data that then described laser precipitation phenomenon visualizer exports also comprises, instrumentation radar reflectivity.
Described method also comprises:
By posting the transparent disc of simulation paster, being placed in the scopic test zone of described laser precipitation phenomenon and rotating, being parallel to laser beam in test zone simultaneously and moving;
With the images outputting of light sensation strength of current after utilizing visualizer to change, to judge in test zone, whether laser beam disperses.
As seen through the above technical solutions, the beneficial effect that the present invention exists is: will post on the transparent former dish of simulation paster, be placed in the scopic test zone of laser precipitation phenomenon to rotate, make described simulation paster reach certain linear velocity, play the effect of simulated precipitation particle thus; By regulating shape, size and the linear velocity of simulating paster, realize the simulation for all types of precipitation phenomenon accurately; By lifting support frame and adjusting base, realize the control for transparent disc position in the test; Improve the degree of accuracy of simulation test and the really degree of simulation significantly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 ~ Fig. 2 is apparatus structure schematic diagram described in the embodiment of the present invention;
Fig. 3 is precipitation particles distribution plan;
Fig. 4 is method flow diagram described in the embodiment of the present invention;
Fig. 5 is method flow diagram described in another embodiment of the present invention;
Fig. 6 is laser beam distribution schematic diagram.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Aforementioned known, namely the scopic principle of laser precipitation phenomenon, when precipitation particles is by test zone, understands the laser beam blocked on certain hour and spatial dimension in test zone, affect the intensity distributions of laser beam, and then produce the change of light sensation electric current on the optical sensor; And namely laser precipitation phenomenon scopic output data can be calculated by the change of described light sensation electric current.The scopic reckoning process of laser precipitation phenomenon is prior art, and therefore not to repeat here.
Be understandable that based on this principle, to be tested laser precipitation phenomenon visualizer by simulated precipitation particle, be exactly some the shading particle needing to utilize similar precipitation particles shape, size and area in essence, speed during to decline close to precipitation particles passes through test zone.Reach the effect of simulated precipitation particle thus.
In the embodiment of the present invention, the scopic proving installation of a kind of laser precipitation phenomenon will be disclosed.Described device, by the transparent former dish of a controllable rotating speed, posts simulation paster, and described simulation paster just plays the effect of so-called shading ion; Described transparent former dish is placed in the scopic test zone of laser precipitation phenomenon rotate, makes described simulation paster reach certain linear velocity, play the effect of simulated precipitation particle thus.
Shown in Fig. 1 ~ 2, it is the structural representation of the scopic proving installation of laser precipitation phenomenon described in the embodiment of the present invention.
In Fig. 1, described device comprises:
A transparent disc 1, described transparent disc 1 is connected to drive motor 4 by coupling shaft 3, and described drive motor 4 drives described transparent disc 1 to rotate with specific rotating speed; Described drive motor 4 is connected to motor driver 5, and described motor driver 5 controls the rotating speed of described drive motor 4; Described transparent disc 1 posts simulation paster 2, and described simulation paster 2 has known shape and size, and described transparent disc 1 is placed in the scopic test zone of described laser precipitation phenomenon and rotates.
What need explanation to illustrate herein is, transparent disc 1 is placed in test zone and rotates by what is called, can be that transparent disc is placed in described test zone completely, also can be that part is placed in test zone, only need make that described simulation paster 2 can be vertical by test zone.
Visible, described transparent former dish 1 is placed in test zone, does not play the effect of shading, and the simulation paster 2 that transparent former dish 1 posts, then there is shaded effect.Described simulation paster 2 has known shape and size.
Due in different precipitation phenomenons, the form of precipitation particles is not identical, so the shape of simulation paster 2, size and area are the key factors determining simulate effect.
In the present embodiment, by changing the shape and size of simulation paster 2, different precipitation phenomenons can being simulated, even by posting multiple simulation paster 2, more complicated precipitation phenomenon can be simulated.Such as, the round simulation paster of diameter about 1 ~ 5mm can simulate raindrop, and the round simulation paster of diameter about 6 ~ 20mm can mimic's hail, and the circular patch of diameter about 2 ~ 15mm simulates snowflake etc.; Above data all can set according to the natural law.
Equally, determine that another key factor of simulate effect is then the linear velocity of simulation paster 2 by test zone.Such as, in spontaneous phenomenon, general snowflake and hail can be simulated with the round simulation paster of diameter about 6 ~ 10mm, but the linear velocity of snowflake landing is lower, and about below 3m/s, and hail is generally in 8 ~ 15m/s interval.So in the present embodiment, controlled the rotating speed of transparent disc 1 by drive motor 4, to make simulation paster 2 reach specific linear velocity, and then realize the effect of the various precipitation phenomenon of accurate analog.
The linear velocity of control simulation paster 2, concrete can with reference to such as under type, suppose to make simulation paster 2 rotate with linear velocity v, then first measure the distance r of center to the center of circle of transparent disc of simulation paster 2, and then try to achieve the angular velocity omega=v/r reached needed for transparent disc.So described motor driver 5 controls described drive motor 4 and reaches specific angular velocity, to make drive motor 4 drive transparent disc 1 to be that angular velocity rotates with ω by coupling shaft 3, the linear velocity now simulating paster 2 is v just.It should be noted that, the angular velocity between drive motor 4 and transparent disc 1 converts, and also needs with reference to the two mechanical relation on coupling shaft 4; This is the mechanical principle of this area routine, and can be determined on a case-by-case basis, therefore not to repeat here.
Speed/diameter the interval graph of the precipitation particles of various precipitation phenomenon, as shown in Figure 3.
Proving installation described in the present embodiment, be different from the test of existing steel ball freely falling body it is possible to accurately control simulation paster by the linear velocity of test zone, and simulate paster replacement steel ball simulated precipitation particle, more be convenient to regulate its shape and size, cost is low and convenience is higher.
Shown in Figure 2, be another embodiment of described device.Fig. 2 shown device, on the basis of Fig. 1, further includes structure:
Described drive motor 4 is fixed to adjusting base 7 by lifting support frame 6; Described lifting support frame 6 controls drive motor 4 and moves in the Z-axis direction.
Institute's adjusting base 7 comprises,, a Y-direction slide rail 8, described lifting support frame 6 is installed on described Y-direction slide rail 8 by slide block 9, and Y-direction motor 10 drives described slide block 9 to slide on described Y-direction slide rail 8, moves in the Y-axis direction to make described lifting support frame 6 and drive motor 4.Y-direction slide rail 8 is arranged on two parallel X on slide rail 11, and described X is mutually vertical with described Y-direction slide rail 8 to slide rail 11; X drives described Y-direction slide rail 8 to slide on slide rail at X to motor 12, moves in the X-axis direction to make described lifting support frame 6 and drive motor 4.
Described X is connected to motor driver 5 to motor 12 and Y-direction motor 10, and described motor driver 5 control X is to the start and stop of motor 12 and Y-direction motor 10.
Illustrating for ease of explaining, space coordinates as shown in Figure 2 can be set up in advance.In this coordinate system, Z-direction represents vertical direction, and X is to being orthogonal both direction on surface level with Y-direction.
Shown lifting support frame 6 provides the degree of freedom in Z-direction, and the X on adjusting base 7 provides the degree of freedom in X-direction and Y-direction to slide rail and Y-direction slide rail.Described transparent disc 1 and drive motor 4 are placed on lifting support frame 6 and adjusting base 7, just can movement arbitrarily in the space of three-dimensional, and make paster 2 on transparent disc 1 can perpendicular through laser testing region, further by the diverse location in test zone.
Another feature being different from the test of steel ball freely falling body embodiment illustrated in fig. 2 is just, the steel ball of freely falling body can not control its fall trajectory, can not ensure that it passes through test zone accurately.But in the present embodiment, by lifting support frame 6 and adjusting base 7, described device achieves the control for transparent disc 1 position in the test.
Known by the embodiment shown in Fig. 1 ~ 2, the beneficial effect that described device exists is: will post on the transparent former dish of simulation paster, be placed in the scopic test zone of laser precipitation phenomenon to rotate, make described simulation paster reach certain linear velocity, play the effect of simulated precipitation particle thus; By regulating shape, size and the linear velocity of simulating paster, realize the simulation for all types of precipitation phenomenon accurately; By lifting support frame and adjusting base, realize the control for transparent disc position in the test; Improve the degree of accuracy of simulation test and the really degree of simulation significantly.
Shown in Figure 4, be the specific embodiment of the scopic method of testing of laser precipitation phenomenon of the present invention.Described method is in fact utilize Fig. 1 ~ 2 shown device, to the process that laser precipitation phenomenon visualizer is tested.Described method comprises step:
Step 401, will post simulation paster transparent disc, be placed in the scopic test zone of described laser precipitation phenomenon and rotate, described simulation paster meets default simulated data.
In the present embodiment, by predetermined analog data.The simulated data can artificially preset in described method, mainly comprise the shape of simulation paster, size, area and linear velocity, and on known above-mentioned data basis, the more complicated simulated data that can also calculate according to existing physics principle, such as, quantity of precipitation in instantaneous precipitation intensity, certain hour or radar reflectivity etc.
Step 402, gather the test data that laser precipitation phenomenon visualizer exports, and judge that the difference of described test data and described simulated data is whether within error threshold scope, if it is thinks and tests successfully.
Utilizing after described device carries out simulation test, the test data that laser precipitation phenomenon visualizer exports will be gathered.In theory, test data should match with the simulated data preset, or within the error threshold scope that can accept.If the difference of described test data and described simulated data is within error threshold scope, should think that laser precipitation phenomenon visualizer is measured and the test data of data is accurately.Otherwise can think that described test data exists mistake, laser precipitation phenomenon visualizer is not accurate enough.
According to above-mentioned test mode, the many data can be able to measured laser precipitation phenomenon visualizer carry out the test of accuracy.
In method as shown in Figure 5, describing the mode of test precipitation particles and speed, is also a most basic simulation test, specific as follows:
Step 501, predetermined analog data, described simulated data comprises the shape and size of simulation paster; The linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon.
In the present embodiment, the circle that described simulation paster is diameter 6mm is set, by the linear velocity 10m/s of test zone.
Step 502, will the transparent disc of the simulation paster meeting preset shape and size be posted, be placed in the scopic test zone of described laser precipitation phenomenon and rotate with specific angle speed, reach to make described simulation paster the linear velocity meeting simulated data.
The simulation paster meeting above-mentioned geomery is posted transparent disc, and described transparent disc is placed in test zone rotates to carry out simulation test, control the rotating speed of transparent disc, make described simulation paster reach default linear velocity.The concrete mode controlling transparent disc rotating speed is set forth in the aforementioned embodiment, at this not repeated description.
Step 503, gather the test data that laser precipitation phenomenon visualizer exports, described test data comprises and records precipitation particles shape and size, and the sinking speed of precipitation particles.
In simulation test process, laser precipitation phenomenon visualizer can normally be measured, and output records precipitation particles shape and size, and the sinking speed of precipitation particles.Suppose that recording precipitation particles diameter is 6.12mm, speed is 9.84m/s.
Step 504, judge that the difference of described test data and described simulated data is whether within error threshold scope, if it is thinks and tests successfully.
Contrast judges described simulated data and test data, and the two mates substantially, differs within error threshold scope, then thinks and test successfully.
In like manner, only need change the particular content of simulated data and test data, other test can also be completed to laser precipitation phenomenon visualizer.
Such as, when described simulated data also comprises: utilize the shape and size of described simulation paster, the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain standard quantity of precipitation; The test data that then described laser precipitation phenomenon visualizer exports also comprises, and measures quantity of precipitation.Contrast judge described simulated data and test data can the precipitation data that records of testing laser precipitation phenomenon visualizer whether accurate.
Or, when described simulated data also comprises: utilize the shape and size of described simulation paster and the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain the instantaneous precipitation intensity of standard; The test data that then described laser precipitation phenomenon visualizer exports also comprises, and measures instantaneous precipitation intensity.Contrast judge described simulated data and test data can the instantaneous precipitation intensity data that record of testing laser precipitation phenomenon visualizer whether accurate.
Or, when described simulated data also comprises: utilize the shape and size of described simulation paster and the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain standard radar reflectivity; The test data that then described laser precipitation phenomenon visualizer exports also comprises, instrumentation radar reflectivity.Contrast judge described simulated data and test data can the radar reflectivity data that records of testing laser precipitation phenomenon visualizer whether accurate.
Like this, no longer enumerate other concrete content measurements in the present embodiment, in a word, in conjunction with any test that above-mentioned principle is carried out, all can be combined under overall technical architecture of the present invention.
It also should be noted that, by the present invention's described device embodiment illustrated in fig. 2, whether the laser beam in all right testing laser precipitation phenomenon visualizer test zone, exist the phenomenon of dispersing.
Specific as follows: by posting the transparent disc of simulation paster, to be placed in the scopic test zone of described laser precipitation phenomenon and to rotate, being parallel to laser beam in test zone simultaneously and moving; By its result through conversion after with the images outputting of light sensation strength of current, to judge in test zone, whether laser beam disperses.
If in the laser beam of evenly not dispersing, the transparent disc by posting simulation paster of rotation, be parallel to laser beam in test zone and move, the light sensation electric current that described visualizer collects should not change; If instead light sensation electric current is along with mobile gradual change, then illustrate that laser beam exists Divergent Phenomenon, if or the irregular change of light sensation electric current, may illustrate that the light intensity of laser beam is uneven in the test.Shown in figure 6.
As seen through the above technical solutions, the beneficial effect that method described in the present embodiment exists is: will post on the transparent former dish of simulation paster, be placed in the scopic test zone of laser precipitation phenomenon to rotate, make described simulation paster reach certain linear velocity, play the effect of simulated precipitation particle thus; By regulating shape, size and the linear velocity of simulating paster, realize the simulation for all types of precipitation phenomenon accurately; By lifting support frame and adjusting base, realize the control for transparent disc position in the test; Improve the degree of accuracy of simulation test and the really degree of simulation significantly.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the scopic proving installation of laser precipitation phenomenon, is characterized in that, described device comprises:
A transparent disc (1), described transparent disc (1) is connected to drive motor (4) by coupling shaft (3), and described drive motor (4) drives described transparent disc (1) to rotate with specific rotating speed; Described drive motor (4) is connected to motor driver (5), and described motor driver (5) controls the rotating speed of described drive motor (4);
Described transparent disc (1) posts simulation paster (2), described simulation paster (2) has known shape and size, and described transparent disc (1) is placed in the scopic test zone of described laser precipitation phenomenon and rotates.
2. proving installation according to claim 1, it is characterized in that, described device also comprises:
Described drive motor (4) is fixed to adjusting base (7) by lifting support frame (6); Described lifting support frame (6) controls drive motor (4) and moves in the Z-axis direction.
3. proving installation according to claim 2, it is characterized in that, institute's adjusting base (7) comprising:
, a Y-direction slide rail (8), described lifting support frame (6) is installed on described Y-direction slide rail (8) by slide block (9), Y-direction motor (10) drives described slide block (9) in the upper slip of described Y-direction slide rail (8), moves in the Y-axis direction to make described lifting support frame (6) and drive motor (4);
Y-direction slide rail (8) is arranged on two parallel X on slide rail (11), and described X is mutually vertical with described Y-direction slide rail (8) to slide rail (11); X drives described Y-direction slide rail (8) to slide on slide rail at X to motor (12), moves in the X-axis direction to make described lifting support frame (6) and drive motor (4).
4. proving installation according to claim 3, it is characterized in that, described X is connected to motor driver (5) to motor (12) and Y-direction motor (10), and described motor driver (5) control X is to the start and stop of motor (12) and Y-direction motor (10).
5. the scopic method of testing of laser precipitation phenomenon, is characterized in that, described method utilizes the proving installation as described in Claims 1 to 4 any one, specifically comprises following:
To post the transparent disc of simulation paster, be placed in the scopic test zone of described laser precipitation phenomenon and rotate, described simulation paster meets default simulated data;
Gather the test data that laser precipitation phenomenon visualizer exports, and judge that the difference of described test data and described simulated data is whether within error threshold scope, if it is thinks and tests successfully.
6. method according to claim 5, it is characterized in that, described simulated data comprises, the shape and size of simulation paster; The linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon; Then described will post simulation paster transparent disc, be placed in the scopic test zone of described laser precipitation phenomenon and rotate, described simulation paster meets default simulated data and is specially:
To the transparent disc of the simulation paster meeting preset shape and size be posted, be placed in the scopic test zone of described laser precipitation phenomenon and rotate with specific angle speed, reach to make described simulation paster the linear velocity meeting simulated data;
The test data that then described laser precipitation phenomenon visualizer exports comprises, and records precipitation particles shape and size, and the sinking speed of precipitation particles.
7. method according to claim 6, it is characterized in that, described simulated data also comprises:
Utilize the shape and size of described simulation paster, the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain standard quantity of precipitation;
The test data that then described laser precipitation phenomenon visualizer exports also comprises, and measures quantity of precipitation.
8. method according to claim 6, it is characterized in that, described simulated data also comprises:
Utilize the shape and size of described simulation paster and the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain the instantaneous precipitation intensity of standard;
The test data that then described laser precipitation phenomenon visualizer exports also comprises, and measures instantaneous precipitation intensity.
9. method according to claim 6, it is characterized in that, described simulated data also comprises:
Utilize the shape and size of described simulation paster and the linear velocity of simulation paster in the scopic test zone of laser precipitation phenomenon and number of pass times, calculate and obtain standard radar reflectivity;
The test data that then described laser precipitation phenomenon visualizer exports also comprises, instrumentation radar reflectivity.
10. method according to claim 5 ~ 9 any one, is characterized in that, described method also comprises:
By posting the transparent disc of simulation paster, being placed in the scopic test zone of described laser precipitation phenomenon and rotating, being parallel to laser beam in test zone simultaneously and moving;
With the images outputting of light sensation strength of current after utilizing visualizer to change, to judge in test zone, whether laser beam disperses.
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| CN113341483A (en) * | 2021-06-21 | 2021-09-03 | 安徽省大气探测技术保障中心 | Rainfall phenomenon appearance raindrop particle diameter grain speed simulation detection device |
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