CN204203084U - A kind of experimental provision for simulating Terahertz atmospheric propagation - Google Patents
A kind of experimental provision for simulating Terahertz atmospheric propagation Download PDFInfo
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- CN204203084U CN204203084U CN201420310861.5U CN201420310861U CN204203084U CN 204203084 U CN204203084 U CN 204203084U CN 201420310861 U CN201420310861 U CN 201420310861U CN 204203084 U CN204203084 U CN 204203084U
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Abstract
The utility model provides a kind of experimental provision for simulating Terahertz atmospheric propagation, comprise totally-enclosed casing, gate-controlled switch reflection/transmission mirror, with the environmental simulation system being located at described box house, wherein, described casing has the upper cover of transparent viewing area, mounting plane catoptron in the macropore of chassis, chassis is installed telescopic baffle plate, and described baffle plate is provided with humidity sensor, temperature sensor, air velocity transducer and pressure transducer.The device of the present embodiment by being incorporated in airtight experimental provision by catoptron by Terahertz from former travel path, in simulated environment, parameters changes in time, with monitor Terahertz pass through the Real-Time Atmospheric environmental parameter in path, therefore effectively can realize the outfield experiments simulation of Terahertz.In addition, this device possesses the ability of simulation fixed environment condition simultaneously, realizes the control to atmospheric parameter variable when Terahertz is propagated in atmospheric environment.
Description
[technical field]
The utility model relates to the experimental provision of research tera-hertz spectra, is specifically related to a kind of experimental provision for simulating Terahertz atmospheric propagation.
[background technology]
At present, the analogue means of atmospheric environment can carry out the simulation of temperature, humidity, wind speed, pressure, light, and these devices are duct-like mostly or test box, and their simulate effect is generally more stable, parameters in easy control simulation device, and technology relative maturity.Such as, " atmospheric environmental simulation device " patent of invention of Anhui Inst. of Optics and Fine Mechanics, Chinese Academy of Sciences's application, can simulate wind speed, pressure, humidity, temperature, turbulent flow, optical absorption and these parameters experimental provision with the change of height exactly a kind of; " a kind of based on modular multi-factor atmospheric environmental simulation test device and method " patent of invention of University of Science & Technology, Beijing's application, can analog temperature, humidity, salt fog, illumination, drench with rain, one or more coupling environment in the environmental factor such as contaminative atmosphere.
But the said apparatus a certain state that can only to be generally simulation fixing, and can not simulate the atmospheric environment of Temporal Evolution, especially can not every environmental parameter of measurement different spatial in the space of simulation; And generally can not simulate the dust and sand weather being mingled with larger particles.And current Terahertz device not yet finds that there is for Real Atmosphere environmental simulation, the auxiliary experiment device of especially external field environment simulation; These devices usually can not measure Terahertz light path by the parameters of atmospheric environment.
[utility model content]
The purpose of this utility model is the defect overcoming prior art, provides a kind of atmospheric environment can simulating Temporal Evolution, to study the method that Terahertz is propagated in atmospheric environment, and realizes the experimental provision of the method.
To achieve these goals, the utility model provides a kind of experimental provision for simulating Terahertz atmospheric propagation, comprise totally-enclosed casing, what be located at described casing outside draws and leads back the gate-controlled switch reflection/transmission mirror of original system for Terahertz light from other system, with the environmental simulation system being located at described box house, wherein, described totally-enclosed casing comprises hermetically sealed shell, be located at the eurypyloue chassis of tool in described shell, there is the box body wall of aperture and Terahertz diaphotoscope, with the upper cover with transparent viewing area, in the macropore of described chassis, telescopic plane mirror is installed, chassis is installed telescopic baffle plate, described baffle plate is provided with humidity sensor, temperature sensor, air velocity transducer and pressure transducer,
Described environmental simulation system comprises: temperature control system, moisture control system, wind speed control system, 100 micron particles thing density control systems, sunlight simulation system and general control system;
Described sunlight simulation system comprise be arranged on inside described shell for the time dependent semicircular track of the simulated solar angle of pitch, establish continuous wave band light source on the track, be connected with described track for adjusting the step rotation device of track elevation angle at high noon and the step driving device for adjusting the described light source angle of pitch;
Described general control system comprises the single-chip microcomputer be connected with 100 micron particles thing density control systems with described step rotation device, step driving device, temperature control system, moisture control system, wind speed control system respectively, and the computing machine be connected with described single-chip microcomputer.
According to one preferred embodiment, described semicircular track is provided with travelling belt, and described travelling belt arranges base, and base arranges continuous wave band light source, and described travelling belt is connected with described step driving device.
Preferably, described gate-controlled switch reflection/transmission mirror is made up of the reflection/transmission mirror of 2 groups of gate-controlled switches; Described reflection/transmission mirror comprises mirror base, the mirror support be attached thereto and picture frame, and described picture frame comprises two interchangeable sub-picture frames, and catoptron installed by one of them picture frame, and another picture frame keeps hollow.
More preferably, described switched mirror/diaphotoscope minute surface and Terahertz are 45° angle by optical path direction during contact reflex/diaphotoscope minute surface.
Particularly preferably, described mirror support is provided with the device that control two sub-picture frames are used alternatingly.
In the utility model, described temperature control system comprises heating arrangement, refrigerating plant, air admission hole, gas passage and venthole, and described heating arrangement and refrigerating plant are connected on described single-chip microcomputer by control circuit.
In the utility model, described moisture control system air admission hole, gas passage, venthole, damping device and drying device, described damping device and drying device are connected on described single-chip microcomputer by control circuit.
In the utility model, described 100 micron particles thing density control systems comprise Sheng sandbox, note husky hole, 100 micron particles thing filter screen and fans, and described fan is connected on described single-chip microcomputer by control circuit.
Below the technical solution of the utility model will be described in more detail.
The utility model enters in an airtight experimental provision by catoptron by Terahertz in Terahertz travel path, and described airtight experimental provision has Terahertz diaphotoscope and the catoptron for changing Terahertz travel path; By changing temperature, humidity, wind speed, 100 micron particles thing density and the sunlight condition in described obturator, simulation Terahertz propagation condition in an atmosphere, then draws described airtight experimental provision by catoptron and projecting mirror by Terahertz.
Therefore, in order to realize said method, a kind of experimental provision for simulating Terahertz atmospheric propagation, comprise totally-enclosed casing, what be located at described casing outside draws and leads back the gate-controlled switch reflection/transmission mirror of original system for Terahertz light from other system, with the environmental simulation system being located at described box house, wherein, described totally-enclosed casing comprises hermetically sealed shell, be located at the eurypyloue chassis of tool in described shell, there is the box body wall of aperture and Terahertz diaphotoscope, with the upper cover with transparent viewing area, in the macropore of described chassis, telescopic plane mirror is installed, chassis is installed telescopic baffle plate, described baffle plate is provided with humidity sensor, temperature sensor, air velocity transducer and pressure transducer,
Described environmental simulation system comprises: temperature control system, moisture control system, wind speed control system, 100 micron particles thing density control systems, sunlight simulation system and general control system;
Described sunlight simulation system comprise be arranged on inside described shell for the time dependent semicircular track of the simulated solar angle of pitch, establish continuous wave band light source on the track, be connected with described track for adjusting the step rotation device of track elevation angle at high noon and the step driving device for adjusting the described light source angle of pitch;
Described general control system comprises the single-chip microcomputer be connected with 100 micron particles thing density control systems with described step rotation device, step driving device, temperature control system, moisture control system, wind speed control system respectively, and the computing machine be connected with described single-chip microcomputer.
For sunlight simulation system, described semicircular track is provided with travelling belt, and described travelling belt arranges base, and base arranges continuous wave band light source, and described travelling belt is connected with described step driving device.Travelling belt one end is fixed on a rotatable bearing with holes, and brearing bore and stepper motor are closely nested.
Described semi arch track hemisphere face at place in rotary course is positioned at above described totally-enclosed casing, and this hemisphere face can cover described box body wall and bottom.
There are two circular ports at the described two ends for the time dependent semi arch track of the simulated solar angle of pitch, one of them hole is fixed on the step motor shaft of described stepping rotary system, can hard to bear step motor control and change the angle of semi arch track place plane and vertical guide, on the axle that in described totally-enclosed casing one of another borehole jack is outstanding; Described stepper motor is by described Single-chip Controlling.
Described gate-controlled switch reflection/transmission mirror is made up of the reflection/transmission mirror of 2 groups of gate-controlled switches; Described reflection/transmission mirror comprises mirror base, the mirror support be attached thereto and picture frame, and described picture frame comprises two interchangeable sub-picture frames, and catoptron installed by one of them picture frame, and another picture frame keeps hollow.Described switched mirror/diaphotoscope minute surface and Terahertz are 45° angle by optical path direction during contact reflex/diaphotoscope minute surface, and direction is drawn along being an angle of 90 degrees with original optical path direction to enable Terahertz.
Preferably, described mirror support is provided with the device that control two sub-picture frames are used alternatingly.
A kind of optional embodiment is that a circular hole is arranged at picture frame bottom, and the circular hole of two picture frames is coaxial.The picture frame installing catoptron can rotate around the axle at circular hole place.Described mirror support hollow space has a spring assembly, and the axle of one end of spring and the picture frame of described band catoptron is fixed, and the other end of spring is fixed on mirror support, makes spring that picture frame can be driven to rotate.
A circular hole is had in the middle of mirror support, the button of the catapult-launching gear be connected with spring is inlayed in circular hole, press the button, be separated with the picture frame of hollow with the picture frame of catoptron, now former Terahertz light does not change the direction of propagation, manually overlapped with the picture frame of hollow by the band picture frame of catoptron, button is upspring, and the direction of propagation of former Terahertz light is changed by catoptron.Described catapult-launching gear is furnished with control circuit; Described control circuit is controlled by mechanical switch.
Picture frame can be circular.Mirror support is the cylinder of hollow, and its base is disk with holes, can be screwed on perforated metal plate.
In the utility model, temperature control system comprises heating arrangement, refrigerating plant, air admission hole, gas passage and venthole, and described heating arrangement and refrigerating plant are connected on described single-chip microcomputer by control circuit.Described heating arrangement is made up of thermistor and control circuit thereof; Described refrigerating plant is made up of semiconductor chilling plate and control circuit thereof; Described temperature control subsystem is evenly distributed in described box body wall.
Moisture control system air admission hole, gas passage, venthole, damping device and drying device, described damping device and drying device are connected on described single-chip microcomputer by control circuit.; Described damping device comprises tank, inlet opening, apopore, fan, ultrasonic output circuit, damping device control circuit; Described drying device comprises apopore, drying device control circuit; Described humid control subsystem is evenly distributed in described box body wall.
Described 100 micron particles thing density control systems comprise Sheng sandbox, note husky hole, 100 micron particles thing filter screen and fans, and described fan is connected on described single-chip microcomputer by control circuit.Described control circuit is connected on described single-chip microcomputer; Described Sheng sandbox is embedded on the outside surface of described box body wall; 100 described micron particles thing filter screens are positioned at the inside surface of described box body wall; 100 described micron particles thing density domination subsystems are evenly distributed in described box body wall.
Wind speed control system comprises some blast velocity control subsystems, and described blast velocity control subsystem, comprises fan and control circuit thereof; Described control circuit is connected on described single-chip microcomputer; Described blast velocity control subsystem is evenly distributed in described box body wall.
Described air 100 micron particles thing density sensor is positioned on the inside surface of described box body wall, and its control circuit is connected with described single-chip microcomputer.
The described Terahertz diaphotoscope being positioned at box body wall, coordinates with described gate-controlled switch reflection/transmission mirror, controls the totally-enclosed casing described in terahertz light turnover.
In the utility model, the computing machine of general control system is arranged on totally-enclosed casing outside, carries out exchanges data with described single-chip microcomputer by serial port data line or wireless transport module; Described single-chip microcomputer is embedded in semiclosed casing wall outside surface.
Utilizing single-chip microcomputer and host computer to carry out control to conditions such as ambient humidity, temperature, wind speed, illumination is the state of the art, and therefore not to repeat here.
Optionally, by the environmental parameter in the totally-enclosed casing of computing machine regulating and controlling; Single-chip microcomputer is used for the data that basis exchanges with described computing machine, the work of equipment in the totally-enclosed casing described in control.
Alternatively, in the macropore of chassis, telescopic plane mirror is installed, comprises retractor device and plane mirror; One end of described retractor device is connected with chassis, and the other end, with cylindrical elongated hole, by spring shaft, is connected with described plane mirror; Described plane mirror can do horizontal 360-degree and rotate, and is furnished with the rotation of control circuit control minute surface; Described control circuit is connected on described single-chip microcomputer; The supply lines of described humidity sensor, temperature sensor, air velocity transducer and pressure transducer and data line are installed in described retractor device, are connected on described single-chip microcomputer by described supply lines and data line; Described telescopic baffle plate is fixed in described chassis, and is furnished with control circuit; Described control circuit is connected on described single-chip microcomputer.
The utility model by being incorporated in airtight experimental provision by catoptron by Terahertz from former travel path, and the parameters in the environment that experimental provision is simulated according to physics law and Atmosphere changes, and can change in time; Device can monitor Terahertz by the Real-Time Atmospheric environmental parameter (comprising temperature, humidity, wind speed, sunlight sky, cloudy day, air particle density) in path, make this device under the prerequisite not destroying original Terahertz experimental provision, the outfield experiments simulation of Terahertz can be realized; This device possesses the ability of simulation fixed environment condition simultaneously, baffle plate can be passed through, limit the scope of the parameter of the atmospheric environment simulated, also can by the scalable catoptron in device, possesses the ability controlling Terahertz travel path in experimental provision, realize Terahertz when propagating in atmospheric environment, to the control of atmospheric parameter variable; In addition, terahertz light can also be drawn and terahertz light be led back original route by this device from original device.
Therefore, method and apparatus of the present utility model can be used for the propagation of simulation Terahertz in different atmospheric environments, to study the Different Effects that atmospheric environment is propagated Terahertz.
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view of the experimental provision of embodiment, wherein 1-hollow picture frame, 2-plane mirror, the controlled opening and closing device of 3-, 4-mirror base, the scalable catoptron of 5-, 6-retractable baffle, 7-Terahertz diaphotoscope, 8-box body wall and interior arrangement thereof, 9-half arc track, 10-stepping Rotable Control System, 11-electric light, 12-box cover;
In Fig. 1,1,2,3,4 form gate-controlled switch reflection/transmission mirror jointly; 9,10,11 form the sunlit system of simulation jointly.
Fig. 2 is the enlarged drawing of the scalable catoptron of 5-in Fig. 1, wherein 21-mirror surface, the position of 22-minute surface whirligig and temperature sensor, humidity sensor, pressure transducer, air velocity transducer, 23-inside comprises the telescopic mirror support of sensor pilot, and 24-is embedded in the mirror base on chassis.
Fig. 3 is the inside enlarged drawing of 8-box body wall and interior arrangement thereof in Fig. 1, wherein 31-sandbox and 100 micron particles thing filter screens, 32-single-chip microcomputer, 33-apopore, 34-gas passage, 35-humidification module or irradiation modules, 36-inlet opening, 37-heating or refrigerating plant, 38-air 100 micron particles thing density sensor, 39-computing machine, 40-data line or wireless module, 41-fan;
In Fig. 3,32,39,40 form single-chip microcomputer/computer system jointly; 33,34,35,36 form humid control subsystem jointly; 34,37 form temperature control subsystem jointly.
[embodiment]
Following examples are used for nonrestrictive explanation the technical solution of the utility model.
Experimental provision as shown in Figure 1.Because the air parameters in true environment can change along with the time, to such an extent as to the atmospheric environment become when can simulate in the lab.For Terahertz Technology, if the absorption of Terahertz in Real Atmosphere environment and attenuation law can be expressed with mathematical formulae, if material in Real Atmosphere environment by terahertz detection obtain by atmospheric environment interference spectral waveform, interference can be eliminated, Terahertz Technology is just probably widely used in Real Atmosphere environment, and the advantage of Terahertz Technology is just probably brought into play in Real Atmosphere environment.This device is by changing the angle of pitch, solar noon sun height, the Intensity of the sunlight of simulated solar illumination, change the atmospheric temperature of simulation, change the atmospheric humidity of simulation, change the air wind speed of simulation, change the Atmospheric particulates density of simulation, realize the simulation to complex atmospheric environments parameter; If controlled in real time atmospheric environmental parameters in conjunction with the result of calculation of computing machine, just can simulate similar outfield time become atmospheric environment, the better truth close to outfield experiments of the experiment effect that Terahertz is carried out in servicing unit; If utilize catoptron to control the propagation light path of Terahertz, just can obtain Terahertz in a device all environmental parameters through path, make the better cogency had in data of simulate effect.
In FIG, gate-controlled switch reflection/transmission mirror is high is 0.2 meter, wide 0.1 meter, by mechanical button, Electronic control catoptron overlaps with hollow circumstances, and the Terahertz light launched in original device will be drawn, Terahertz diaphotoscope by experiment on device box wall, enters into experimental provision.Terahertz light, after the atmospheric environment simulated in experimental provision, leaves experimental provision from the Terahertz diaphotoscope experimental provision, by the mirror surface of gate-controlled switch reflection/transmission mirror, comes back in former experimental provision; The spectral information of terahertz light will obtain measured by the detecting devices of original device.
In FIG, after terahertz light enters experimental provision casing, the light path of terahertz light by control by the catoptron that stretches out from chassis.When artificial to after computer instruction, instruction is sent on single-chip microcomputer by the communicator between computing machine and single-chip microcomputer.Single-chip microcomputer sends the scalable catoptron that instruction controls some position again and launches straight up, and rotates at an angle, minute surface to control the light path that terahertz light passes through in experimental provision.
As shown in Figure 2,24 bases are embedded on casing chassis the internal anatomy of telescopic catoptron.23 telescopic mirror supports can trail when using catoptron, shrinking back in chassis without during catoptron.22 temperature sensors installed, humidity sensor, air velocity transducer, pressure transducer can environmental parameters below Real-Time Monitoring catoptron, the signal of sensor is by after single-chip microcomputer process, by the communication module of single-chip microcomputer and computing machine, enter into computing machine and store; These parameters can state Real-Time Atmospheric environmental aspect in Terahertz travel path, can coordinate with the tera-hertz spectra be finally detected, for studying the atmospheric propagation characteristic of Terahertz.22 install minute surface whirligigs can control Terahertz light launched by catoptron after direction.21 mirror surfaces can be totally reflected Terahertz light.
In FIG, the sunlit system of simulation of 9,10,11 compositions.When step motor control semicircular track rotates, because the electric light of simulated solar moves all the time in semicircular track, therefore, the rotation along with semicircular track also rotates by the track that simulated solar passes through.During due to high noon, the sun will appear at the highest point of track, and the angle now between the plane at half arc track place and surface level can be considered to the elevation angle at high noon of the sun.Therefore, when stepper motor drives half arc track to rotate, the elevation angle at high noon of simulated solar also will change thereupon.And the change of sun position in orbit, just can regard the sun as in some day, position is over time.The change of the exposure intensity of electric light means the change of the exposure intensity of simulated solar, and the top of box cover is provided with transparent glass, can simulate the blue sky with dispersion effect.When the exposure intensity of electric light is zero, the box cover that transparent glass is housed can simulate the cloudy day.
In FIG, 6 retractable baffle can be elongated to certain altitude when needed; Anyhow in baffle plate meeting handle assembly, compartition becomes the part of relative closure.Each several part can a variable separately in analog temperature, humidity, wind speed, particle density, realizes Terahertz propagated Quality Research under a certain specific environment.
In figure 3, the humid control subsystem that apopore 33, gas passage 34, humidification module or irradiation modules 35 and inlet opening 36 form is owing to being evenly distributed in box body wall, so moisture control system can humidity evenly and lentamente in modifier.When humid control subsystem starts, in casing, gas enters gas passage by the aperture of box body wall, then through humidification module or irradiation modules, exports the gas of high humility or low humidity, then through gas passage, enters in casing from the aperture box body wall.
In figure 3, the temperature control system that gas passage 4 and heating and cooling device 7 form is evenly distributed on box body wall due to its subsystem, also can gas temperature in control device equably.When temperature control subsystem starts, in device, gas enters gas passage by the aperture of box body wall, then through refrigeration or heating combined equipment, exports low temperature or high-temperature gas, then through gas passage, enter in box body wall from the aperture box body wall.
In figure 3, sandbox 31 and 100 micron particles thing filter screen, also can equably to gas jet particle thing in device because even chalk is in box body wall.When 100 micron particles thing filter density domination subsystems start, the sand and dust that electric fan blows in sandbox are floating, and part sandy environment through 100 micron particles thing filter screens, can enter into the simulated atmosphere in device.The 100 micron particles thing density sensors that box body wall distributes can the real-time particle density of gas in pick-up unit, and by data by single-chip microcomputer, turns back in computing machine and process.
In figure 3, fan is distributed in box body wall, therefore can the intraparietal wind-force of control box and wind direction equably.When fan controlled starting, entered into experimental provision by the gas that wind is moved by the aperture on box body wall, affect the wind speed of air in device; The power that fan blows affects the power of wind-force, the direction of the aspect effect wind that fan blows.
After running atmospheric environment Temporal Evolution simulator program in computing machine, a series of instruction is passed through data transmission module by computing machine, send to single-chip microcomputer, started by the corresponding system of Single-chip Controlling, go the parameter such as the temperature in regulating device, humidity, wind speed, illumination, 100 micron particles thing density.
Can find out, the device of the present embodiment by being incorporated in airtight experimental provision by catoptron by Terahertz from former travel path, in simulated environment, parameters changes in time, with monitor Terahertz pass through the Real-Time Atmospheric environmental parameter (comprising temperature, humidity, wind speed, sunlight sky, cloudy day, air particle density) in path, therefore effectively can realize the outfield experiments simulation of Terahertz.In addition, this device possesses the ability of simulation fixed environment condition simultaneously, by baffle plate, the scope limiting the parameter of the atmospheric environment simulated, or the ability of Terahertz travel path in experimental provision is controlled by the scalable catoptron in device, realize the control to atmospheric parameter variable when Terahertz is propagated in atmospheric environment.
Claims (8)
1. one kind for simulating the experimental provision of Terahertz atmospheric propagation, comprise totally-enclosed casing, what be located at described casing outside draws and leads back the gate-controlled switch reflection/transmission mirror of original system for Terahertz light from other system, with the environmental simulation system being located at described box house, it is characterized in that described totally-enclosed casing comprises hermetically sealed shell, be located at the eurypyloue chassis of tool in described shell, there is the box body wall of aperture and Terahertz diaphotoscope, with the upper cover with transparent viewing area, in the macropore of described chassis, telescopic plane mirror is installed, chassis is installed telescopic baffle plate, described baffle plate is provided with humidity sensor, temperature sensor, air velocity transducer and pressure transducer,
Described environmental simulation system comprises: temperature control system, moisture control system, wind speed control system, 100 micron particles thing density control systems, sunlight simulation system and general control system;
Described sunlight simulation system comprise be arranged on inside described shell for the time dependent semicircular track of the simulated solar angle of pitch, establish continuous wave band light source on the track, be connected with described track for adjusting the step rotation device of track elevation angle at high noon and the step driving device for adjusting the described light source angle of pitch;
Described general control system comprises the single-chip microcomputer be connected with 100 micron particles thing density control systems with described step rotation device, step driving device, temperature control system, moisture control system, wind speed control system respectively, and the computing machine be connected with described single-chip microcomputer.
2. experimental provision according to claim 1, is characterized in that described semicircular track is provided with travelling belt, described travelling belt arranges base, base arranges continuous wave band light source, and described travelling belt is connected with described step driving device.
3. experimental provision according to claim 1, is characterized in that described gate-controlled switch reflection/transmission mirror is made up of the reflection/transmission mirror of 2 groups of gate-controlled switches; Described reflection/transmission mirror comprises mirror base, the mirror support be attached thereto and picture frame, and described picture frame comprises two interchangeable sub-picture frames, and catoptron installed by one of them picture frame, and another picture frame keeps hollow.
4. experimental provision according to claim 1, is characterized in that described switched mirror/diaphotoscope minute surface and Terahertz are 45° angle by optical path direction during contact reflex/diaphotoscope minute surface.
5. experimental provision according to claim 3, is characterized in that the device that described mirror support is provided with control two sub-picture frames and is used alternatingly.
6. experimental provision according to claim 1, is characterized in that described temperature control system comprises heating arrangement, refrigerating plant, air admission hole, gas passage and venthole, and described heating arrangement and refrigerating plant are connected on described single-chip microcomputer by control circuit.
7. experimental provision according to claim 1, is characterized in that described moisture control system air admission hole, gas passage, venthole, damping device and drying device, and described damping device and drying device are connected on described single-chip microcomputer by control circuit.
8. experimental provision according to claim 1, it is characterized in that described 100 micron particles thing density control systems comprise Sheng sandbox, note husky hole, 100 micron particles thing filter screen and fans, described fan is connected on described single-chip microcomputer by control circuit.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104132894A (en) * | 2014-06-12 | 2014-11-05 | 清华大学 | Experimental device and method for simulation of terahertz atmospheric propagation |
| CN106813779A (en) * | 2016-12-25 | 2017-06-09 | 中国科学院紫金山天文台 | A kind of full-automatic Terahertz atmospheric characteristic measuring system and its calibration method |
| CN107462547A (en) * | 2017-08-15 | 2017-12-12 | 上海拓领光电科技有限公司 | Mini terahertz time-domain spectroscopy test system |
| CN106021905B (en) * | 2016-05-16 | 2018-12-14 | 西安电子科技大学 | A kind of complete approximating method of atmospheric parameter data based on radio wave propagation |
-
2014
- 2014-06-12 CN CN201420310861.5U patent/CN204203084U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132894A (en) * | 2014-06-12 | 2014-11-05 | 清华大学 | Experimental device and method for simulation of terahertz atmospheric propagation |
| CN106021905B (en) * | 2016-05-16 | 2018-12-14 | 西安电子科技大学 | A kind of complete approximating method of atmospheric parameter data based on radio wave propagation |
| CN106813779A (en) * | 2016-12-25 | 2017-06-09 | 中国科学院紫金山天文台 | A kind of full-automatic Terahertz atmospheric characteristic measuring system and its calibration method |
| CN107462547A (en) * | 2017-08-15 | 2017-12-12 | 上海拓领光电科技有限公司 | Mini terahertz time-domain spectroscopy test system |
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