CN107356986A - A kind of multiband combined type astronomical popularization system - Google Patents

A kind of multiband combined type astronomical popularization system Download PDF

Info

Publication number
CN107356986A
CN107356986A CN201710814948.4A CN201710814948A CN107356986A CN 107356986 A CN107356986 A CN 107356986A CN 201710814948 A CN201710814948 A CN 201710814948A CN 107356986 A CN107356986 A CN 107356986A
Authority
CN
China
Prior art keywords
radio
observation
optical
telescope
combined type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710814948.4A
Other languages
Chinese (zh)
Other versions
CN107356986B (en
Inventor
董亮
苏泓
杨光普
曾远辉
郭少杰
高冠男
杨凤辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming Jinghua Optical Co ltd
Yunnan Astronomical Observatory of CAS
Original Assignee
Kunming Jinghua Optical Co ltd
Yunnan Astronomical Observatory of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunming Jinghua Optical Co ltd, Yunnan Astronomical Observatory of CAS filed Critical Kunming Jinghua Optical Co ltd
Priority to CN201710814948.4A priority Critical patent/CN107356986B/en
Publication of CN107356986A publication Critical patent/CN107356986A/en
Application granted granted Critical
Publication of CN107356986B publication Critical patent/CN107356986B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B27/00—Planetaria; Globes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Educational Technology (AREA)
  • Educational Administration (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Telescopes (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

The invention discloses a kind of multiband combined type astronomical popularization system, and it includes radio observation subsystem, optical observation subsystem, tracing control subsystem, computer；The present apparatus is observed in microwave frequency band and optical telescope by radio telescope in visible light wave range to same observation source, obtains multiwave radiation information so that multiband radiation of the science popularization audient person to celestial body has more deep understanding；The present apparatus has the advantages that operation is directly perceived, display is convenient.

Description

A kind of multiband combined type astronomical popularization system
Technical field
The invention belongs to astronomical popularization apparatus field, and in particular to a kind of multiband combined type astronomical popularization system, this is Radio astronomy, the optical astronomical even Popular Science Education of the technical elements such as radio teaching of the system suitable for adolescent student.
Background technology
Celestial body with multiband radiation is widely present in universe, such as：The sun is in microwave, optics, infrared, high energy etc. Wave band has radiation；Galactic center has stronger neutral hydronic radiation in 1420MHz frequency ranges, for different spiral arms, according to its red shift The difference of speed can also be observed that the shift condition of the neutral hydronic radiation on different spiral arms, while can use meat in optical region The milky way of magnificence is arrived soon.
Due to the directly perceived and operability of optical observation, at present students in middle and primary schools' astronomical popularization mainly based on optical observation, It is less to be related to its all band, and multiwave observation can make it that science popularization audient person is better understood from the radiation mechanism of celestial body, such as Radio wavelength band then reflects the physical essence entirely different with optical region.Multiwave astronomical popularization terminal is developed, can be made Science popularization audient person synchronously clearly observes radiation event of the celestial body in different-waveband, while also understands different-waveband radiation signal Physical mechanism and feature.
Such as：The sun is different and different with frequency in the radio flux value in quiet period, by multiple narrow Radio flow view in frequency band can see the flow difference of different frequency range；Onset have compared with horn of plenty frequency spectrum into Point, it has reacted CME process medium velocity and the change procedure of density, and the data by breaking out frequency spectrum can allow section General audient person recognizes physical change situation during CME, while can coordinate the view data of optical region, It can be seen that corresponding CME process, the influence of more deep understanding solar activity-space weather；
In addition in the long-term solar radiation of 2800MHz frequency ranges and the black mole quantity in day face into positive correlation, if passing through length The observation of phase and statistics can obtain two groups of positive correlation data, have good scientific experiment meaning.
In another example：Shooting of the night to the milky way at present is very universal, but the neutral hydronic radiation of glactic centre strongly is same Sample is also preferable science popularization material, and it has reacted the speed of the affiliated milky way galaxy spiral arm of neutral hydrogen at diverse location on spectrum signature The information such as degree, distance, at the same in observed terminals if can manual regulating frequency resolution ratio, can allow science popularization audient person understand Relation in changing to fast Fourier between analysis points and resolution ratio.
Therefore it is to widen the important technical in astronomical popularization field to develop multiwave astronomical popularization observed terminals.
The content of the invention
Present invention aims at providing one kind to be based on radio and optical multiband combined type astronomical popularization system, it is applied to Students in middle and primary schools' natural science science popularization field, by radio telescope in microwave frequency band and optical telescope in visible light wave range to same One observation source is observed, and obtains multiwave radiation information so that multiband radiation of the science popularization audient person to celestial body has more Deepen the understanding carved.
Multiband combined type astronomical popularization system of the present invention includes radio observation subsystem, optical observation subsystem, tracking Control subsystem, computer, wherein radio observation subsystem are by antenna for radio astronomy, radio frequency scaling system, front end analogue receiver, number Composition is sequentially connected according to collection-processing terminal, computer is connected with data acquisition-processing terminal, radio frequency scaling system respectively；Light Learning observation subsystem includes more optical telescopes, leads to the supporting ccd image sensor of more optical telescopes, more optical telescopes Ccd image sensor is crossed to be connected with computer；Tracing control subsystem includes equatorial telescope, has the combined type platform of sync cap plate Frame, equatorial telescope are arranged on combined type stand, and equatorial telescope is connected with computer, and antenna for radio astronomy and more optical telescopes pass through synchronization Interface board is arranged on combined type stand.
Wherein radio observation subsystem is a complete radio telescope, by antenna for radio astronomy (including parabola antenna and width Band feed), front end analogue receiver, radio frequency scaling system, data acquisition-processing terminal composition；Wherein parabola antenna is straight Footpath is 0.8-1.5 rice, more than the bandwidth 6GHz of feed；
Front end analogue receiver is by low-noise amplifier, one-level wave filter (group), two-stage amplifier, two-stage filter (group) Composition is sequentially connected, on the basis of radio environment is investigated, the amplifier of the suitable working frequency points of reasonable selection and gain, filter The parameters such as ripple device (group) bandwidth, belt resistance inhibitor system；Front end analogue receiver is broadband Larger Dynamic range receiver, is at least needed 30-40dB dynamic ranges are with the strong signal for solar radio burst；
Radio frequency scaling system is made up of microwave switch, noise source, and microwave switch is connected with noise source, and microwave switch is by calculating Machine is controlled, the input of control gating antenna, noise source input both of which, while noise source is also controlled by computer, and control is made an uproar The unlatching of sound source, both of which is closed, open noise source output noise signal in a turned-on mode, closed make an uproar in the off mode Sound source, equivalent to the input of 50 ohm of matched load, the radio collected by the difference and antenna of the two data Signal power value is compared to obtain electric signal intensity；
Data acquisition-processing terminal uses the agile transceiver system of broadband input, and it has channel program alternative With gathered data processing it is programme-controlled the characteristics of, the observation of multifrequency point solar radio radiation total flow and the observation of the fine spectral line in arrowband can be taken into account Two kinds of needs；Data acquisition-processing terminal is connected by network or usb bus with computer, receives the sight that computer is sent Configuration information is surveyed, while observation data are uploaded in computer and shown；
Secondly, optical observation subsystem has more optical telescopes and the ccd image sensor matched with more optical telescopes Two parts form, wherein more optical telescopes can mount more telescopes according to the demand difference of observation and its ccd image passes Sensor, that is, be used for seek star electronics finder and its rear end be equipped with monitoring CCD, for sun observation full-time face telescope and The instantaneous exposure CCD of its rear end outfit, the wide visual field long-focus with multiband optical filter wheel for night-time observation are looked in the distance Time exposure CCD that mirror and its rear end are equipped with, the guiding CCD being equipped with for the electronics guiding telescope of guiding and its rear end；This System just constitute one possess seek star guiding, day face observation, night starry sky photography triple functions complete optical observation science popularization System；
Again, tracing control subsystem is made up of combined type stand and equatorial telescope with sync cap plate, wherein synchronously Interface board is used to fix radio telescope and more optical telescopes, and the primary optical axis of two telescopic systems is parallel on this interface board, The simultaneous observation to target source can be realized；Equatorial telescope is controlled by computer simultaneously, and different observed object sources can be entered Line trace；
Finally, control and signal transacting core of the computer for whole system, it is integrated with signal transacting and control software Module, i.e., including data acquisition-processing terminal control module, the tupe of electric signal is selected, i.e. multifrequency point general power is seen Survey pattern and fine spectrum observation mode, realize that the total flow monitoring of multiple frequencies in broadband or the frequency spectrum of fine spectral line are seen Side；
Radio frequency calibrates control module, gated noise source input or antenna input pattern, controls being turned on and off for noise source, Intensity calibration is carried out to the radiofrequency signal of collection by the excess noise ratio of noise source；
Image capture module, control ccd image sensor carry out IMAQ；
Telescope control module, control antenna for radio astronomy is parallel with the primary optical axis of more optical telescopes, orientation-correcting realization pair The simultaneous observation of target source；
Equatorial telescope control module, control equatorial telescope are tracked to observation source, and then promote more optical telescopes and radio Telescope points to target.
Computer major function is as follows:
(1) radio data acquisition-processing terminal is controlled, selects the tupe of electric signal, be i.e. multiband light becomes observation Pattern (mainly for the sun) and fine spectrum observation mode (being directed to spectral line)；
(2) radio frequency scaling function is controlled, gating microwave switch access noise source, noise source is turned on and off, passes through noise The excess noise ratio in source carries out intensity calibration to the radiofrequency signal of collection；
(3) ccd image sensor is controlled to carry out IMAQ；
(4) coaxial, orientation-correcting of the quick multiband Optical And Radio in field etc. is controlled；
(5) control equatorial telescope is tracked to observation source, including control is tracked and observed according to ephemeris computation manually Source position controls equatorial telescope, and then promotes optics and radio telescope to point to target.
The present invention is integrated with two kinds of telescopes of optics and radio, and realizes synchronized tracking observation source, is that this can be Two optics, radio wave bands show the radiation event in observation source to science popularization audient person, and it is excellent to have that operation is directly perceived, display is convenient etc. Point.
The system with from multiple wave bands to science popularization audient person to being recognized with the object observing that multiband radiates, obtain Obtain such as：The radiation of the wave band such as the radio of the sun, infrared, visible ray, while it is appreciated that the sun exists based on long-term observation 2800MHz and day face optical flare positive correlation；And glactic centre is in optics Ha wave bands and neutral hydrogen spectral line 1420MHz Radiation event.
Brief description of the drawings
Fig. 1 is apparatus of the present invention structural representation；
Fig. 2 is present system workflow schematic diagram.
Embodiment
The present invention is described in further detail below by drawings and examples, but the scope of the present invention is not limited to The content.
Embodiment 1：As shown in figure 1, this multiband combined type astronomical popularization system includes radio observation subsystem, optics is seen Subsystem, tracing control subsystem, computer are surveyed, realizes and data is carried out to observation source in two different wave bands of optics+radio Collection, wherein radio observation subsystem are whole by antenna for radio astronomy, radio frequency scaling system, front end analogue receiver, data acquisition-processing End is sequentially connected composition, and computer is connected with data acquisition-processing terminal, radio frequency scaling system respectively；Optical observation subsystem Including more optical telescopes, the ccd image sensor matched with more optical telescopes, more optical telescopes are passed by ccd image Sensor is connected with computer；Tracing control subsystem includes equatorial telescope, has the combined type stand of sync cap plate, and equatorial telescope is set Put on combined type stand, equatorial telescope is connected with computer, and antenna for radio astronomy and more optical telescopes are set by sync cap plate On combined type stand.
First, radio observation subsystem includes：Antenna for radio astronomy (including parabola antenna and broadband feed), radio frequency calibration system System, front end analogue receiver, data acquisition-processing terminal and the radio processing module being integrated in computer；
Wherein, antenna for radio astronomy is made up of a diameter of 1.5 meters of parabola antenna and 6GHz broadbands feed, and covering decimetric wave arrives The radio astronomy signal of centimeter wave, includes：1420MHz neutral hydrogen spectral line, 4660MHz, 4750MHz, 4765MHz OH arteries and veins Damp spectral line etc.；
Observed for solar radio radiation, because the sun in the radiation of radio is broadband radiation, multiple points can be chosen wherein Frequency shows that solar radio radiation is different in the flow of different-waveband to science popularization audient person：Quiet sun is as radio source, its brightness temperature Tsun Relation between frequency f (GHz), meets following equation：
Tsun=12000f-.075 ° of K (1)
In theory, solar radio radiation can be received when any antenna exposes in the sun, is connect by antenna The solar radio radiation power spectral density received can be calculated by following：
Solar radiation temperature T nowsun' represent, it can be quiet sun radiation or solar radio radiation Radiation when outburst；Convert and risen to for antenna temperature caused by sun signal：
ηa：The efficiency of reception antenna, typically at 0.5-0.7 (50%-70%)；
A：The geometric area of reception antenna；
K：For Boltzmann constant, K=1.38 × 10-23w/(KHz)；
S：Solar radiation flux density (W/m2Hz)
Observed for spectral line, the spectral line observation of high frequency spectral resolution can bring institute's goal in research day internal for researchers The information of portion's more details, they can generally make us track the structure of smaller yardstick and wherein more detailed dynamics spy Sign etc..
Such as high frequency resolution, such as the observation to Zeemen effect are needed in some high-precision spectral line observations In：Observed using neutral hydrogen HI, frequency shifts 2.8Hz caused by per microgasuss magnetic field；OH ground state is such as used, per microgasuss's magnetic Field caused frequency shifts on 1.665GHz spectral lines only have 3.27Hz, and caused frequency shifts are on 1.667GHz spectral lines 1.96Hz.However, because radio astronomy terminal device conventionally employed at present is the high-speed ADC mistake to radio astronomy analog signal What sampling principle was realized：Sample rate is fsampleADC can about cover fsampleThe signal of/2 bandwidth increases sample rate seemingly at present Turn into and solve big band data collection, realize the unique channel of wide-band while observation；According to Doppler relation for given Dispersion of velocities Δ V, corresponding spectrum width should be：
According to sample rate fsample, FFT points N and spectral resolution Δ f three relation：
Then the relation between velocity resolution and sample rate, centre frequency and FFT points Ns is：Same spectral line is existed In the case of same N points, sample rate more high speed resolution ratio is lower；
The feed output of antenna for radio astronomy is connected by radio frequency scaling system with the input of front end analogue receiver, front end analogue Receiver is sequentially connected and formed by low-noise amplifier, one-level wave filter (group), two-stage amplifier, two-stage filter (group), On the basis of investigating radio environment, the amplifier of the suitable operating point of reasonable selection and gain, wave filter (group) bandwidth, stopband The parameters such as degree of suppression, the part be used for by antenna receive small-signal be amplified to data acquisition-processing terminal can identify and The signal power scope of collection, while suppress some too strong radio-interference signals, prevent whole receiver system saturation；
Data acquisition-processing terminal is used based on agile transceiver (AD9361, AD9364 and AD9371 etc.) as core Signal processing system, its have channel program alternative and gathered data processing it is programme-controlled, then can take into account multifrequency point too Positive radio total flow observation and the fine spectral line in arrowband observe two kinds of needs；Data acquisition-processing terminal is total by network or USB Line is connected with computer, receives the observed configurations information that computer is sent, mainly 1. observation modes：For broadband solar radio radiation Multiple spot frequency general power observation or for arrowband spectral line signal fine spectral observation；2. under multiple spot frequency general power pattern, Need to set the parameters such as multiple observation center frequency points, observation bandwidth, the time of integration；3. under fine spectral observation pattern, it is necessary to Set：Observe the parameters such as center frequency point, observation bandwidth, spectral resolution, the time of integration；
Optical observation subsystem forms by more optical telescopes and with the ccd image sensor that more optical telescopes match, More optical telescopes include Solar Optical Telescope (full-time face telescope), the deep space optics with multiband optical filter wheel is hoped Remote mirror (wide visual field long-focus telescope), electronics finder, electronics guiding telescope, wherein Solar Optical Telescope is mainly with sun Ha (656.28nm) plus white light black mole statistics based on, deep space optical telescope with multiband optical filter wheel switching Ha, Hb, SII, The radiation wave band of radio sun, galactic center is corresponded to based on OIII, respectively plus instantaneous exposure CCD exposes CCD with long；Electronics finder point For the big visual field finder of dim light and common big visual field finder, add rear end CCD；Electronics guiding telescope, which is divided into the full-time face of the dim light sun, leads Star mirror and common guiding telescope, add rear end CCD；This system, which just constitutes one and possesses day face night bicyclic border, to be sought star, guiding, takes the photograph The complete optical observation astronomical popularization system of shadow triple functions.
Control and signal transacting core of the computer for whole system, it is integrated with signal transacting and software model, Including data acquisition-processing terminal control module, select the tupe of electric signal, i.e., multifrequency point general power observation mode and Fine spectrum observation mode, realize that the total flow monitoring of multiple frequencies in broadband or the frequency spectrum of fine spectral line see side；
Radio frequency calibrates control module, gated noise source input or antenna input pattern, controls being turned on and off for noise source, Intensity calibration is carried out to the radiofrequency signal of collection by the excess noise ratio of noise source；
Image capture module, control ccd image sensor carry out IMAQ；
Telescope control module, control radio telescope is parallel with the primary optical axis of more optical telescopes, and orientation-correcting is realized Simultaneous observation to target source；
Equatorial telescope control module, control equatorial telescope are tracked to observation source, and then promote more optical telescopes and radio Telescope points to target.
Computer major function is as follows:
1st, control data collection-processing terminal, selects the tupe of electric signal, i.e. multiband light becomes observation mode (mainly for the sun) and fine spectrum observation mode (being directed to spectral line), wherein, become observation mode (mainly for too in multiband light Sun) under, the parameter such as multiple observation center frequency points, observation bandwidth, the time of integration in setting data acquisition-processing terminal；In essence , it is necessary to set under thin spectral observation pattern：Observe the parameters such as center frequency point, observation bandwidth, spectral resolution, the time of integration；
2nd, radio frequency scaling function is controlled, controls microwave switch, gates antenna input, noise source input both of which respectively, Noise source is also controlled by computer simultaneously, realizes and opens, closes both of which, opens noise source output in a turned-on mode and makes an uproar Acoustical signal, noise source is closed in the off mode, equivalent to the input of 50 ohm of matched load, pass through the two data The electric signal performance number that difference and antenna collect is compared to obtain electric signal intensity；
3rd, ccd image sensor is controlled to carry out IMAQ；
4th, control antenna for radio astronomy, more optical telescopes synchronous；
5th, antenna for radio astronomy, more optical telescopes, the orientation-correcting of tracing control subsystem are controlled；
6th, control equatorial telescope is tracked to observation source, including control tracks and obtains observation source according to ephemeris computation manually Position controls equatorial telescope, and then promotes optics and radio telescope to point to target.
As shown in Fig. 2 system flow is as follows：
1st, initiation verification：
Confirm manually with automatic GPS/Big Dipper initiation parameter：Including observation site parameter, time parameter；
The debugging same axis calibration of multiband manually, including：Antenna for radio astronomy coaxially initializes with optical telescope；
Primary mirror points to initialization：Including manual+automatic more calibration star orientation-correctings；
2nd, target component is set：
Target selection：The targets such as the sun, deep space are selected automatically according to star catalogue, or right ascension, declination Celestial Objects ginseng Number is manually set；
3rd, target points to guiding：
According to the sun or stellar target species, different guiding systems are selected, are calculated by guiding deviation, stable guiding, from And systems stabilisation pointing accuracy；
4th, observational record：
According to the sun or stellar target species, start different-waveband record system；
Optical region records flow：Filter wheel system selects different-waveband, and the astronomical special CCD of setting records the time for exposure, Exposure observation source images form file, achieve optical data storehouse；
Radio wavelength band records flow：In radio wavelength band, the setting of center frequency point is observed first, then to observation bandwidth Set, multiple center frequency points and observation bandwidth can be set for solar radio radiation observation, also needed to for spectral line observation to frequency spectrum Resolution ratio is configured, and finally sets the time of integration, is carried out radio observation and is equally also formed observation file, achieves radio data Storehouse；
5th, comparative analysis：
According to same target, different wave length database, contrast draws different astronomical phenomena and the data analysis report of target.

Claims (7)

  1. A kind of 1. multiband combined type astronomical popularization system, it is characterised in that：Including radio observation subsystem, optical observation subsystem System, tracing control subsystem, computer；
    Wherein radio observation subsystem is whole by antenna for radio astronomy, radio frequency scaling system, front end analogue receiver, data acquisition-processing End is sequentially connected composition, and computer is connected with data acquisition-processing terminal, radio frequency scaling system respectively；
    The ccd image sensor that optical observation subsystem includes more optical telescopes, matched with more optical telescopes, more optics are hoped Remote mirror is connected by ccd image sensor with computer；
    Tracing control subsystem includes equatorial telescope, has the combined type stand of sync cap plate, and equatorial telescope is arranged on combined type platform On frame, equatorial telescope is connected with computer, and antenna for radio astronomy and more optical telescopes are arranged on combined type stand by sync cap plate On.
  2. 2. multiband combined type astronomical popularization system according to claim 1, it is characterised in that：Antenna for radio astronomy is thrown for broadband Object plane antenna, more than bandwidth coverage 6GHz.
  3. 3. multiband combined type astronomical popularization system according to claim 1, it is characterised in that：Front end analogue receiver is Broadband Larger Dynamic range receiver, 30-40dB dynamic ranges are at least needed with the strong signal for solar radio burst.
  4. 4. multiband combined type astronomical popularization system according to claim 3, it is characterised in that：Front end analogue receiver by Low-noise amplifier, more than one one-level wave filter, two-stage amplifier, more than one two-stage filter are sequentially connected group Into.
  5. 5. multiband combined type astronomical popularization system according to claim 1, it is characterised in that：More optical telescopes are by more Individual optical telescope composition, optical telescope include electronics finder, electronics guiding telescope, full-time face optical telescope, with more The wide visual field long-focus telescope of wave band optical filter wheel.
  6. 6. multiband combined type astronomical popularization system according to claim 1, it is characterised in that：Radio frequency scaling system is by micro- Ripple switch, noise source composition, microwave switch are connected with noise source, and microwave switch is connected with computer respectively with noise source.
  7. 7. multiband combined type astronomical popularization system according to claim 1, it is characterised in that computer also includes as follows Module：
    Data acquisition-processing terminal control module, selects the tupe of electric signal, i.e., multifrequency point general power observation mode and Fine spectrum observation mode, realize that the total flow monitoring of multiple frequencies in broadband or the frequency spectrum of fine spectral line see side；
    Radio frequency calibrates control module, gated noise source input or antenna input pattern, controls being turned on and off for noise source, passes through The excess noise ratio of noise source carries out intensity calibration to the radiofrequency signal of collection；
    Image capture module, control ccd image sensor carry out IMAQ；
    Telescope control module, control antenna for radio astronomy is parallel with the primary optical axis of more optical telescopes, and orientation-correcting is realized to target The simultaneous observation in source；
    Equatorial telescope control module, control equatorial telescope are tracked to observation source, and then promote more optical telescopes and antenna for radio astronomy Point to target.
CN201710814948.4A 2017-09-12 2017-09-12 Multiband combined astronomical science popularization system Active CN107356986B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710814948.4A CN107356986B (en) 2017-09-12 2017-09-12 Multiband combined astronomical science popularization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710814948.4A CN107356986B (en) 2017-09-12 2017-09-12 Multiband combined astronomical science popularization system

Publications (2)

Publication Number Publication Date
CN107356986A true CN107356986A (en) 2017-11-17
CN107356986B CN107356986B (en) 2023-06-27

Family

ID=60291033

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710814948.4A Active CN107356986B (en) 2017-09-12 2017-09-12 Multiband combined astronomical science popularization system

Country Status (1)

Country Link
CN (1) CN107356986B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108152587A (en) * 2018-03-13 2018-06-12 中国科学院云南天文台 Radio spectral line observation system based on agile transceiver
CN111504362A (en) * 2020-05-07 2020-08-07 中国科学院新疆天文台 Multifunctional processing system and method for observation signals
CN111551784A (en) * 2020-05-18 2020-08-18 山东大学 Solar radio radiometer and spectrum observation system and control method
CN114299808A (en) * 2022-01-12 2022-04-08 北京海泰微纳科技发展有限公司 Virtual astronomical table and display method

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2002273C1 (en) * 1991-06-26 1993-10-30 Научно-исследовательский радиофизический институт Method for extablishing correspondance between celestial coordinates obtained in optical and radio bands
CN101017240A (en) * 2007-02-09 2007-08-15 南京中科天文仪器有限公司 Astronomical telescope video CCD automatic guiding method
CN101793563A (en) * 2010-03-23 2010-08-04 中国科学院西安光学精密机械研究所 Multiband infrared radiation automatic measuring system
US20110262145A1 (en) * 2010-04-01 2011-10-27 Ruggiero Anthony J Rf/optical shared aperture for high availability wideband communication rf/fso links
CN202150052U (en) * 2011-07-22 2012-02-22 付陆欣 Photoelectric automatic astronomical star guiding and star finding system
WO2013150434A1 (en) * 2012-04-02 2013-10-10 Bradaschia Filippo Coupling device for coupling a parabolic antenna to an equatorial mount of an apparatus adapted for receiving radio waves, particularly a radio telescope, and apparatus for receiving radio waves provided with such device
CN103926548A (en) * 2014-04-18 2014-07-16 中国科学院新疆天文台 Method for quickly measuring precision of reflection face of radiotelescope
CN104019899A (en) * 2014-05-28 2014-09-03 中国科学院空间科学与应用研究中心 Ultrasensitive astronomical telescope and astronomical image acquisition method
US20150277140A1 (en) * 2014-03-27 2015-10-01 Nidec Sankyo Corporation Resonance prevention method in optical unit with shake correction function and optical unit with shake correction function
CN105527489A (en) * 2016-01-13 2016-04-27 中国科学院云南天文台 Solar radio total power radiometer system in radio astronomy protection frequency band based on broadband detection chip
CN106226594A (en) * 2016-10-09 2016-12-14 中国科学院云南天文台 Superhet solar radio radiation meter systems for radio astronomy protection frequency
CN106371102A (en) * 2016-10-08 2017-02-01 中国科学院光电技术研究所 Adaptive optics-based inverse synthetic aperture laser radar signal receiving system
CN206321699U (en) * 2016-10-09 2017-07-11 中国科学院云南天文台 The superhet solar radio radiation meter systems of frequency are protected for radio astronomy
CN207198354U (en) * 2017-09-12 2018-04-06 中国科学院云南天文台 A kind of multiband combined type astronomical popularization system

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2002273C1 (en) * 1991-06-26 1993-10-30 Научно-исследовательский радиофизический институт Method for extablishing correspondance between celestial coordinates obtained in optical and radio bands
CN101017240A (en) * 2007-02-09 2007-08-15 南京中科天文仪器有限公司 Astronomical telescope video CCD automatic guiding method
CN101793563A (en) * 2010-03-23 2010-08-04 中国科学院西安光学精密机械研究所 Multiband infrared radiation automatic measuring system
US20110262145A1 (en) * 2010-04-01 2011-10-27 Ruggiero Anthony J Rf/optical shared aperture for high availability wideband communication rf/fso links
CN202150052U (en) * 2011-07-22 2012-02-22 付陆欣 Photoelectric automatic astronomical star guiding and star finding system
WO2013150434A1 (en) * 2012-04-02 2013-10-10 Bradaschia Filippo Coupling device for coupling a parabolic antenna to an equatorial mount of an apparatus adapted for receiving radio waves, particularly a radio telescope, and apparatus for receiving radio waves provided with such device
US20150277140A1 (en) * 2014-03-27 2015-10-01 Nidec Sankyo Corporation Resonance prevention method in optical unit with shake correction function and optical unit with shake correction function
CN103926548A (en) * 2014-04-18 2014-07-16 中国科学院新疆天文台 Method for quickly measuring precision of reflection face of radiotelescope
CN104019899A (en) * 2014-05-28 2014-09-03 中国科学院空间科学与应用研究中心 Ultrasensitive astronomical telescope and astronomical image acquisition method
CN105527489A (en) * 2016-01-13 2016-04-27 中国科学院云南天文台 Solar radio total power radiometer system in radio astronomy protection frequency band based on broadband detection chip
CN106371102A (en) * 2016-10-08 2017-02-01 中国科学院光电技术研究所 Adaptive optics-based inverse synthetic aperture laser radar signal receiving system
CN106226594A (en) * 2016-10-09 2016-12-14 中国科学院云南天文台 Superhet solar radio radiation meter systems for radio astronomy protection frequency
CN206321699U (en) * 2016-10-09 2017-07-11 中国科学院云南天文台 The superhet solar radio radiation meter systems of frequency are protected for radio astronomy
CN207198354U (en) * 2017-09-12 2018-04-06 中国科学院云南天文台 A kind of multiband combined type astronomical popularization system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
V. B. KHAIKIN: "Optimization of focusing optics of RATAN-600 radio telescope" *
张海龙 等: "天文数据检索与发布综述", pages 212 - 218 *
李爱华 等: "射电望远镜主动反射面系统的控制", pages 1711 - 1718 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108152587A (en) * 2018-03-13 2018-06-12 中国科学院云南天文台 Radio spectral line observation system based on agile transceiver
CN108152587B (en) * 2018-03-13 2023-09-19 中国科学院云南天文台 Radio astronomical spectral line observation system based on agile transceiver
CN111504362A (en) * 2020-05-07 2020-08-07 中国科学院新疆天文台 Multifunctional processing system and method for observation signals
CN111504362B (en) * 2020-05-07 2022-03-22 中国科学院新疆天文台 Multifunctional processing system and method for observation signals
CN111551784A (en) * 2020-05-18 2020-08-18 山东大学 Solar radio radiometer and spectrum observation system and control method
CN114299808A (en) * 2022-01-12 2022-04-08 北京海泰微纳科技发展有限公司 Virtual astronomical table and display method
CN114299808B (en) * 2022-01-12 2023-10-17 北京海泰微纳科技发展有限公司 Virtual astronomical platform and display method

Also Published As

Publication number Publication date
CN107356986B (en) 2023-06-27

Similar Documents

Publication Publication Date Title
CN107356986A (en) A kind of multiband combined type astronomical popularization system
Siringo et al. The large APEX bolometer camera LABOCA
CN106651951B (en) Atmospheric polarization mode detection and course calculation system and method
Ryan et al. Night pilotage assessment of image fusion
CN106123915A (en) A kind of pneumatic degraded image recovery system based on direct point spread function
CN105675149A (en) Pneumatic optical effect corrector based on self-illuminating wavefront sensor
CN103873856A (en) Self-reflection calibration method for space remote sensor on orbit infrared focal plane
CN207198354U (en) A kind of multiband combined type astronomical popularization system
Smit et al. In-flight validation of SPEX airborne spectro-polarimeter onboard NASA's research aircraft ER-2
CN107395245B (en) A kind of radio astronomy and the dual-purpose Science Popularization System of amateur radio communication
US9745059B2 (en) System to adapt an optical device to calculate a condition value
KR20200105060A (en) Multi band aperture synthetic aperture radar system
CN109283587A (en) A kind of space debris detection system and method
CN208270464U (en) A kind of measuring system for Crop evapotranspiration hair measurement
CN101329401A (en) Method and apparatus for discovering invisible aircraft
Savage et al. Stratospheric observatory for infrared astronomy (SOFIA)
CN216625742U (en) Optical imaging and laser communication integrated system
CN206948292U (en) A kind of radio astronomy and the dual-purpose Science Popularization System of amateur radio communication
Vollmerhausen Design criteria for helicopter night pilotage sensors
RU2726026C1 (en) Method for formation of target position in express mode with limited time of flying up of anti-ship missiles with combined hh, including a set of known devices for its implementation and visualization
Kerr et al. Infrared-optical multisensor for autonomous landing guidance
Couto et al. K band SINFONI spectra of two z~ 5 submillimeter galaxy systems: upper limits to the unobscured star formation from [O II] optical emission line searches
Tan Advances in Transformative Science Measurements with Small Satellites
Dowgiallo et al. Millimeter wave interferometric radiometry for passive imaging and the detection of low-power manmade signals
FALCINELLI How to use RAL10KIT and RAL10AP to build a Microwave Radio Telescope

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant