KR20060069682A - Test apparatus for radio altimeter - Google Patents

Test apparatus for radio altimeter Download PDF

Info

Publication number
KR20060069682A
KR20060069682A KR1020040108344A KR20040108344A KR20060069682A KR 20060069682 A KR20060069682 A KR 20060069682A KR 1020040108344 A KR1020040108344 A KR 1020040108344A KR 20040108344 A KR20040108344 A KR 20040108344A KR 20060069682 A KR20060069682 A KR 20060069682A
Authority
KR
South Korea
Prior art keywords
radio
antenna
support member
altimeter
radio altimeter
Prior art date
Application number
KR1020040108344A
Other languages
Korean (ko)
Inventor
김정민
Original Assignee
넥스원퓨처 주식회사
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 넥스원퓨처 주식회사 filed Critical 넥스원퓨처 주식회사
Priority to KR1020040108344A priority Critical patent/KR20060069682A/en
Publication of KR20060069682A publication Critical patent/KR20060069682A/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/103—Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

전파고도계 시험장치가 개시된다. 상기 시험장치는 전파가 반사되지 않는 재질로 마련된 지지판, 상기 비행체가 비행하는 지면 또는 해면과 동일한 조건으로 마련되어 상기 지지판의 일면에 설치된 반사판, 상기 반사판과 소정 거리 이격되며 상기 비행체의 표면과 동일한 표면을 가지는 지지부재, 상기 반사판과 대향되게 상기 지지부재의 표면에 설치되며 상기 반사판으로 전파를 송신하는 제 1 안테나와 상기 반사판에서 반사된 전파를 수신하는 제 2 안테나, 상기 제 1 및 제 2 안테나와 접속되어 상기 제 1 안테나에서 송신된 전파와 상기 제 2 안테나에서 수신된 전파의 시간차를 측정하여 상기 지면 또는 상기 해면과 상기 지지부재 사이의 고도를 측정하는 전파고도계, 상기 전파고도계에서 측정된 값을 수신하여 미리 알고 있는 상기 지면 또는 상기 해면과 상기 지지부재 사이의 고도와 비교하는 점검부를 구비한다. 상기 전파고도계 시험장치는 전파고도계의 성능을 정확하게 판단할 수 있으므로 전파고도계의 신뢰성이 향상된다.An apparatus for testing radio altimeter is disclosed. The test apparatus is provided with a support plate made of a material that does not reflect the radio wave, the reflector plate provided on the same condition as the ground or sea surface to which the aircraft is flying, installed on one surface of the support plate, a predetermined distance from the reflecting plate and the same surface as the surface of the aircraft A support member, a first antenna installed on a surface of the support member opposite to the reflecting plate, for transmitting a radio wave to the reflecting plate, and a second antenna for receiving the radio wave reflected from the reflecting plate, and connecting to the first and second antennas. Receiving a value measured by the radio altimeter measuring the time difference between the radio wave transmitted from the first antenna and the radio wave received from the second antenna to measure an altitude between the ground or the sea surface and the support member. Height between the ground or the sea surface and the support member Check for comparing comprises parts. The radio altimeter test apparatus can accurately determine the performance of the radio altimeter, thereby improving the reliability of the radio altimeter.

Description

전파고도계 시험장치 {TEST APPARATUS FOR RADIO ALTIMETER}Radio altimeter test device {TEST APPARATUS FOR RADIO ALTIMETER}

도 1은 본 발명의 일 실시예에 따른 전파고도계 시험장치의 사시도.1 is a perspective view of a radio altimeter test apparatus according to an embodiment of the present invention.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

110,120 : 제 1,2 프레임 131 : 지지판110,120: first and second frame 131: support plate

135 : 반사판 140 : 지지부재135 reflector 140 support member

151,155 : 제 1,2 안테나 160 : 전파고도계151,155: first and second antenna 160: radio altimeter

170 : 점검부170: inspection unit

본 발명은 전파고도계 시험장치에 관한 것이다.The present invention relates to a radio altimeter test apparatus.

전파고도계란 비행체 등에서 지면 또는 해면를 향하여 전파를 발사하고 발사된 전파가 되돌아오기까지의 시간차를 측정하여 지면 또는 해면에 대한 비행체의 고도를 측정하는 계기이다.Radio altimeter is an instrument that measures the altitude of the aircraft with respect to the ground or the sea surface by measuring the time difference between the launching of the radio wave toward the ground or sea surface from the aircraft, and the returned radio wave.

원격 조정되는 비행체에는 제어부, 날개부, 추진체 및 전파고도계 등이 설치되어 있다. 비행체가 목표물을 향하여 발사되면, 제어부의 제어에 의하여 전파고도계가 고도를 감지하고 날개부와 추진체에 의하여 비행체가 목표물을 향하여 이동한 다.The remote control vehicle is provided with a control unit, a wing, a propellant, and an altimeter. When the vehicle is launched toward the target, the altimeter senses the altitude under the control of the controller, and the vehicle moves toward the target by the wing and the propellant.

즉, 전파고도계는 비행체의 고도를 측정하여 제어부로 송신하는데, 종래에는 전파고도계에서 측정한 비행체의 고도 값이 정확한 가를 검사할 수 있는 아무런 시험장치가 없었다. 이로인해, 전파고도계의 신뢰성이 저하되는 문제점이 있다.That is, the radio altimeter measures the altitude of the vehicle and transmits it to the control unit. In the past, there was no test apparatus capable of checking whether the altitude value of the vehicle measured by the radio altimeter was correct. As a result, there is a problem that the reliability of the radio altimeter is lowered.

본 발명은 상기와 같은 종래 기술의 문제점을 해소하기 위하여 안출된 것으로, 본 발명의 목적은 전파고도계가 측정한 고도 값이 정확한가를 판단하여 전파고도계의 신뢰성을 향상시킬 수 있는 전파고도계 시험장치를 제공함에 있다.The present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to provide a radio altimeter test apparatus that can improve the reliability of the radio altimeter by determining whether the altitude value measured by the radio altimeter is accurate. Is in.

상기 목적을 달성하기 위한 본 발명에 따른 전파고도계 시험장치는, 비행체의 고도를 측정하는 전파고도계의 성능을 시험하는 장치에 있어서,In the radio altimeter test apparatus according to the present invention for achieving the above object, in the apparatus for testing the performance of the radio altimeter to measure the altitude of the vehicle,

전파가 반사되지 않는 재질로 마련된 지지판; 상기 비행체가 비행하는 지면 또는 해면과 동일한 조건으로 마련되어 상기 지지판의 일면에 설치된 반사판; 상기 반사판과 소정 거리 이격되며 상기 비행체의 표면과 동일한 표면을 가지는 지지부재; 상기 반사판과 대향되게 상기 지지부재의 표면에 설치되며 상기 반사판으로 전파를 송신하는 제 1 안테나와 상기 반사판에서 반사된 전파를 수신하는 제 2 안테나; 상기 제 1 및 제 2 안테나와 접속되어 상기 제 1 안테나에서 송신된 전파와 상기 제 2 안테나에서 수신된 전파의 시간차를 측정하여 상기 지면 또는 상기 해면과 상기 지지부재 사이의 고도를 측정하는 전파고도계; 상기 전파고도계에서 측정된 값을 수신하여 미리 알고 있는 상기 지면 또는 상기 해면과 상기 지지부재 사이의 고도와 비교하는 점검부를 구비한다.A support plate made of a material which does not reflect radio waves; A reflector provided on one surface of the support plate provided under the same conditions as the ground or sea surface on which the vehicle is to fly; A support member spaced apart from the reflective plate by a predetermined distance and having the same surface as the surface of the vehicle; A first antenna installed on a surface of the support member to face the reflecting plate, the first antenna transmitting radio waves to the reflecting plate, and a second antenna receiving radio waves reflected from the reflecting plate; A radio wave altimeter connected to the first and second antennas and measuring an altitude between the ground or the sea surface and the support member by measuring a time difference between a radio wave transmitted from the first antenna and a radio wave received from the second antenna; And a check unit for receiving a value measured by the radio altimeter and comparing the altitude between the ground or the sea surface and the support member.

이하, 첨부한 도면을 참조하여 본 발명의 일 실시예에 따른 전파고도계 시험장치를 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail the radio altimeter test apparatus according to an embodiment of the present invention.

도 1은 본 발명의 일 실시예에 따른 전파고도계 시험장치의 사시도이다.1 is a perspective view of a radio altimeter test apparatus according to an embodiment of the present invention.

도시된 바와 같이, 상호 소정 거리 이격되어 대향하며 바닥에 놓인 제 1 및 제 2 프레임(110,120)이 마련된다.As shown, the first and second frames 110 and 120 facing each other, spaced apart from each other by a predetermined distance, are provided.

제 1 프레임(110)에는 전파가 반사되는 않는 목재 등과 같은 재질로 된 지지판(131)이 설치되고, 지지판(131)의 일면에는 비행체가 비행하는 지면 또는 해면과 동일한 조건으로 형성되어 전파를 반사하는 반사판(135)이 설치된다. 이때, 제 1 프레임(110)과 제 2 프레임(120) 사이의 거리는 4m이상인 것이 바람직하고, 반사판(135)은 1m이상의 높이에 설치되는 것이 바람직하다. 그리고, 반사판(135)은 전파를 산란시키기 위하여 알루미늄 망으로 마련된다.The first frame 110 is provided with a support plate 131 made of a material such as wood that does not reflect the radio waves, and one surface of the support plate 131 is formed under the same conditions as the ground or sea surface in which the aircraft is flying to reflect the radio waves Reflector 135 is provided. In this case, the distance between the first frame 110 and the second frame 120 is preferably 4m or more, and the reflector 135 is preferably installed at a height of 1m or more. And, the reflector plate 135 is provided with an aluminum net in order to scatter the radio waves.

제 2 프레임(120)에는 비행체의 표면과 동일한 표면을 가지는 지지부재(140)가 설치되는데, 지지부재(140)는 1.5m이상의 높이에 설치되는 것이 바람직하다. 지지부재(140)의 표면에는 반사판(135)과 대향되게 제 1 및 제 2 안테나(151,155)가 설치되는데, 제 1 안테나(151)와 제 2 안테나(155) 사이의 거리는 0.9∼1m인 것이 바람직하다. 제 1 안테나(151)는 반사판(135)으로 전파를 송신하고 제 2안테나(155)는 반사판(135)에서 반사된 전파를 수신한다. 그리고, 지지부재(140)의 외측에는 제 1 및 제 2 안테나(151,155)와 접속되어 제 1 안테나(151)에서 송신된 전파와 제 2 안테나(155)에서 수신된 전파의 시간차를 측정하여 상기 지면 또는 상기 해면과 지지부재(140) 사이의 고도를 측정하는 전파고도계(160)가 설치된다. 그리고, 전파고도계(160)는 측정된 값을 점검부(170)로 송신한다.The second frame 120 is provided with a support member 140 having the same surface as the surface of the aircraft, the support member 140 is preferably installed at a height of 1.5m or more. The first and second antennas 151 and 155 are installed on the surface of the support member 140 to face the reflector plate 135. The distance between the first antenna 151 and the second antenna 155 is preferably 0.9 to 1 m. Do. The first antenna 151 transmits radio waves to the reflector plate 135, and the second antenna 155 receives radio waves reflected from the reflector plate 135. The outer surface of the support member 140 is connected to the first and second antennas 151 and 155 to measure the time difference between the radio waves transmitted from the first antenna 151 and the radio waves received from the second antenna 155. Or radio altimeter 160 for measuring the altitude between the surface and the support member 140 is installed. The radio altimeter 160 transmits the measured value to the check unit 170.

그러면, 점검부(170)는 전파고도계(160)에서 송신된 값과 미리 알고 있는 지지부재(140)와 반사판(135) 사이의 고도를 비교하여 그 차이가 설정 범위 이하이면 잔파고도계(160)의 성능에 이상이 없는 것으로 판단하고, 설정 범위 이상이면 전파고도계(160)의 성능에 이상이 있는 것으로 판단한다.Then, the inspection unit 170 compares the value transmitted from the radio altimeter 160 with the altitude between the supporting member 140 and the reflector 135 in advance, and if the difference is less than or equal to the set range, the residual wave altimeter 160 It is determined that there is no abnormality in the performance, and when it is above the set range, it is determined that there is an abnormality in the performance of the radio altimeter 160.

그후, 성능에 이상이 없는 전파고도계(160)를 실제로 비행할 비행체에 설치하여 사용하면 된다.Thereafter, the radio altimeter 160 having no abnormality in performance may be installed and used on a vehicle to actually fly.

이상에서 설명한 바와 같이, 본 발명에 따른 전파고도계 시험장치는 전파고도계의 성능을 정확하게 판단할 수 있으므로 전파고도계의 신뢰성이 향상된다.As described above, the radio altimeter test apparatus according to the present invention can accurately determine the performance of the radio altimeter, thereby improving the reliability of the radio altimeter.

이상에서는, 본 발명의 일 실시예에 따라 본 발명을 설명하였지만, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 변경 및 변형한 것도 본 발명에 속함은 당연하다.In the above, the present invention has been described in accordance with one embodiment of the present invention, but those skilled in the art to which the present invention pertains have been changed and modified without departing from the spirit of the present invention. Of course.

Claims (2)

비행체의 고도를 측정하는 전파고도계의 성능을 시험하는 장치에 있어서,In the device for testing the performance of the radio altimeter to measure the altitude of the aircraft, 전파가 반사되지 않는 재질로 마련된 지지판;A support plate made of a material which does not reflect radio waves; 상기 비행체가 비행하는 지면 또는 해면과 동일한 조건으로 마련되어 상기 지지판의 일면에 설치된 반사판;A reflector provided on one surface of the support plate provided under the same conditions as the ground or sea surface on which the vehicle is to fly; 상기 반사판과 소정 거리 이격되며 상기 비행체의 표면과 동일한 표면을 가지는 지지부재;A support member spaced apart from the reflective plate by a predetermined distance and having the same surface as the surface of the vehicle; 상기 반사판과 대향되게 상기 지지부재의 표면에 설치되며 상기 반사판으로 전파를 송신하는 제 1 안테나와 상기 반사판에서 반사된 전파를 수신하는 제 2 안테나;A first antenna installed on a surface of the support member to face the reflecting plate, the first antenna transmitting radio waves to the reflecting plate, and a second antenna receiving radio waves reflected from the reflecting plate; 상기 제 1 및 제 2 안테나와 접속되어 상기 제 1 안테나에서 송신된 전파와 상기 제 2 안테나에서 수신된 전파의 시간차를 측정하여 상기 지면 또는 상기 해면과 상기 지지부재 사이의 고도를 측정하는 전파고도계;An electromagnetic wave altimeter connected to the first and second antennas and measuring an altitude between the ground or the sea surface and the support member by measuring a time difference between the radio wave transmitted from the first antenna and the radio wave received from the second antenna; 상기 전파고도계에서 측정된 값을 수신하여 미리 알고 있는 상기 지면 또는 상기 해면과 상기 지지부재 사이의 고도와 비교하는 점검부를 구비하는 것을 특징으로 하는 전파고도계 시험장치.And a check unit for receiving a value measured by the radio altimeter and comparing it with the altitude between the ground or the sea surface and the support member in advance. 제 1 항에 있어서,The method of claim 1, 상기 반사판은 전파를 산란시키기 위하여 알루미늄 망으로 마련된 것을 특징 으로 하는 전파고도계 시험장치.The reflector is a radio altimeter test apparatus, characterized in that provided with an aluminum mesh to scatter the radio waves.
KR1020040108344A 2004-12-18 2004-12-18 Test apparatus for radio altimeter KR20060069682A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020040108344A KR20060069682A (en) 2004-12-18 2004-12-18 Test apparatus for radio altimeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040108344A KR20060069682A (en) 2004-12-18 2004-12-18 Test apparatus for radio altimeter

Publications (1)

Publication Number Publication Date
KR20060069682A true KR20060069682A (en) 2006-06-22

Family

ID=37163607

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040108344A KR20060069682A (en) 2004-12-18 2004-12-18 Test apparatus for radio altimeter

Country Status (1)

Country Link
KR (1) KR20060069682A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101335503B1 (en) * 2013-03-26 2013-12-02 국방과학연구소 Radio altimeter efficiency analysis system and operation algorism therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101335503B1 (en) * 2013-03-26 2013-12-02 국방과학연구소 Radio altimeter efficiency analysis system and operation algorism therefor

Similar Documents

Publication Publication Date Title
JP6913519B2 (en) A method for testing the transmission characteristics and reflection characteristics of an automobile radome body, and a device for testing the transmission characteristics and reflection characteristics of an automobile radome body.
CN107479040B (en) Compact range vehicle-mounted millimeter wave radar test system
US7365677B2 (en) Compact radar test range
US5384572A (en) Testing of airborne windshear radars
JP2018179961A (en) Method and apparatus for radar accuracy measurement
JPS63503166A (en) Passive radio altimeter
CN112816793B (en) Method and system for measuring electromagnetic scattering coefficient of foil strip cloud and application
CN110646770A (en) Reliability test verification system for radar microwave product
CN114488036A (en) Calibrating a target simulator of an active environment detection system
KR100985555B1 (en) Apparatus for simulation of tracking radar system
CN109782217A (en) A kind of method and device for calibrating airborne interferometer calibration value
CN109696585B (en) Antenna leveling method and system
KR20220039615A (en) Radar elevation angle validation
KR20060069682A (en) Test apparatus for radio altimeter
RU2655753C1 (en) Method of adjustment and verification of radar location levels and stand for regulation and check of radar location levels
RU2193782C2 (en) Procedure evaluating characteristics of radar exposed to active jamming
CN219105151U (en) Test device for testing distance sensor operating with electromagnetic waves
KR101380694B1 (en) Distance measuring method using electromagnetic wave
US7138941B1 (en) In-situ calibration of radar frequency measurement
US20100039334A1 (en) Method for measuring antenna characteristics out of operational frequency range of chamber
US6404383B1 (en) Radar cross section self-test
WO2023284964A1 (en) Device for determining an angular resolution of a radar
KR101742126B1 (en) Apparatus for controlling measuring an altitude and method thereof
KR102252061B1 (en) Apparatus and method to test location tracking system
US3740707A (en) Far field signal simulation utilizing cylindrical arrays

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application