CN110554375B - Phased array radar for measuring landing of extraterrestrial celestial body - Google Patents
Phased array radar for measuring landing of extraterrestrial celestial body Download PDFInfo
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- CN110554375B CN110554375B CN201910776331.7A CN201910776331A CN110554375B CN 110554375 B CN110554375 B CN 110554375B CN 201910776331 A CN201910776331 A CN 201910776331A CN 110554375 B CN110554375 B CN 110554375B
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- 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
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- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
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- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals
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- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a phased array radar for measuring the landing of an extraterrestrial celestial body, which comprises: power module (1), signal processor (2), radio frequency signal transceiver module (3) to and active phased array antenna (4), include in active phased array antenna (4): the power distribution network (5), the TR component (6), the heat control cold plate (7) and the phased array antenna array (8). Utilize signal processor (2) control TR subassembly (6), amplitude, the phase place to transmitted signal and received signal are controlled, at extraterrestrial celestial body landing in-process, realized measuring distance and speed to specific direction, use same set of hardware, solved extraterrestrial body landing and measured radar part many, the problem that the system is constituteed complicacy, alleviateed product volume weight simultaneously, reduced the product consumption, improved the product reliability, can be better satisfy the engineering development demand.
Description
Technical Field
The invention relates to the technical field of landing measurement radars, in particular to a phased array radar for measuring the landing of an extraterrestrial celestial body.
Background
To date, the existing foreign celestial landings in foreign countries mainly include moon landing and Mars landing. In the landing and descending process, the radar for measuring distance and speed on the ground generally adopts a plurality of groups of antennas to measure distance and speed in different directions, and the hardware composition of the equipment needs to be provided with corresponding parts such as a receiver and a signal processor for each group of antennas besides the plurality of groups of antennas, so that the system composition is relatively complex.
Disclosure of Invention
The invention aims to provide an extraterrestrial celestial body landing measurement phased array radar to solve the problems that the extraterrestrial celestial body landing measurement radar has multiple parts and complex system composition.
To this end, the invention provides a phased array radar for measuring the landing of an extraterrestrial celestial body, which comprises: the system comprises a power supply module, a signal processor, a radio frequency signal transceiving module and an active phased array antenna; the active phased array antenna includes: the power distribution network, the TR component, the thermal control cold plate and the phased array antenna array; the power supply interface of the signal position of the power supply module is connected with a power supply line of the power supply interface of the signal processor, the radio frequency power supply interface of the power supply module is connected with a power supply line of the power supply interface of the radio frequency signal transceiver module, the antenna power supply interface of the power supply module is connected with a power supply line of the power supply interface of the active phased array antenna, the intermediate frequency input port of the signal processor is connected with the intermediate frequency output port radio frequency line of the radio frequency signal transceiver module, the clock input port of the signal processor is connected with the clock output port radio frequency line of the radio frequency signal transceiver module, the radio frequency control signal output port of the signal processor is connected with the control signal input port radio frequency signal of the radio frequency signal transceiver module, the antenna control signal output port of the signal processor is connected with the control signal input port radio frequency signal of the active phased array antenna, the receiving signal input interface of the radio frequency signal transceiver module is connected with the receiving signal output interface signal line of the active phased array antenna, the transmitting signal output interface of the radio frequency signal receiving and transmitting module is connected with the transmitting signal input interface signal line of the active phased array antenna, the active phased array antenna is composed of a power distribution network, a TR component and a phased array antenna array, the input and output ends of the power distribution network are in two-way connection with the radio frequency connector of the input and output ends of the TR component, the input and output ends of the TR component are in two-way connection with the radio frequency connector of the input and output ends of the phased array antenna array, and the thermal control cold plate is in screw connection with the TR component and the phased array antenna array.
Wherein, after power-on, the radio frequency signal transceiver module sends a clock signal to the signal processor, the signal processor loads a program under the drive of the clock signal, then the signal processor sends a control signal to the radio frequency signal transceiver module, the radio frequency signal transceiver module receives a command and then sends a signal to the active phased array antenna, the transmission signal reaches the phased array antenna array through the power division network and the TR component, under the control of the signal processor, the TR component controls the amplitude and the phase of the transmission signal, so that the transmission signal forms a signal in a specific direction on the interface of the phased array antenna array, after the transmission signal is reflected by the landing surface of the extraterrestrial body in the direction, an echo signal enters the phased array antenna array, enters the receiving signal input end of the radio frequency signal transceiver module through the TR component and the power division network, and under the control of the signal processor, the TR component controls the amplitude and the phase of the receiving signal, the antenna receiving direction in the direction is strongest, the radio frequency signal receiving and transmitting module receives the echo signal, and then the echo signal is processed by frequency mixing, filtering, amplifying and the like to form an intermediate frequency signal, the intermediate frequency signal enters a signal processor through a signal wire, the signal processor processes the intermediate frequency signal to obtain a distance and speed measurement value in the direction, and the distance and speed measurement in the next direction is carried out under the control of the signal processor until the measurement in all the specified directions is completed.
When the thermal control cooling plate is used for testing for a long time, the active phased array antenna is cooled, and damage to products due to overhigh temperature is prevented.
The invention controls the TR component by utilizing the signal processor to control the amplitude and the phase of the transmitting signal and the receiving signal, realizes the distance and the speed measurement in a specific direction in the landing process of the extraterrestrial celestial body, uses the same set of hardware, solves the problems of more radar parts and complex system composition in the landing measurement of the extraterrestrial body, reduces the volume and the weight of a product, reduces the power consumption of the product, improves the reliability of the product and can better meet the requirement of engineering development.
Drawings
FIG. 1 is a schematic diagram of an extraterrestrial celestial landing survey phased array radar of the present invention.
1. The power module 2, the signal processor 3, the radio frequency signal transceiving module 4, the active phased array antenna 5, the power distribution network 6, the TR component 7, the thermal control cold plate 8 and the phased array antenna array
Detailed Description
The following description will explain the present invention in detail with reference to fig. 1.
The invention provides a phased array radar for measuring the landing of an extraterrestrial celestial body, which comprises: power module 1, signal processor 2, radio frequency signal transceiver module 3 to and active phased array antenna 4, this active phased array antenna 4 includes: the power distribution network 5, the TR component 6, the heat control cold plate 7 and the phased array antenna array 8.
A signal supply interface of a power module 1 is connected with a power supply interface of a signal processor 2 by a power supply line, a radio frequency power supply interface of the power module 1 is connected with a power supply interface of a radio frequency signal transceiver module 3 by a power supply line, an antenna power supply interface of the power module 1 is connected with a power supply interface of an active phased array antenna 4 by a power supply line, an intermediate frequency input port of the signal processor 2 is connected with an intermediate frequency output port radio frequency line of the radio frequency signal transceiver module 3, a clock input port of the signal processor 2 is connected with a clock output port radio frequency line of the radio frequency signal transceiver module 3, a radio frequency control signal output port of the signal processor 2 is connected with a control signal input port radio frequency signal of the radio frequency signal transceiver module 3, an antenna control signal output port of the signal processor 2 is connected with a control signal input port radio frequency signal of the active phased array antenna 4, a receiving signal input interface of the radio frequency signal transceiver module 3 is connected with a receiving signal output interface signal line of the active phased array antenna 4, the transmission signal output interface of the radio frequency signal transceiving module 3 is connected with the transmission signal input interface signal line of the active phased array antenna 4, the active phased array antenna 4 consists of a power distribution network 5, a TR component 6 and a phased array antenna array 8, the input and output ends of the power distribution network 5 are bidirectionally connected with the radio frequency connector of the input and output end of the TR component 6, the input and output ends of the TR component 6 are bidirectionally connected with the radio frequency connector of the input and output end of the phased array antenna array 8, and a heat control cold plate 7 is connected with the TR component 6 and the phased array antenna array 8 through screws.
After power-on, the radio frequency signal transceiver module 3 sends a clock signal to the signal processor 2, the signal processor 2 loads a program under the drive of the clock signal, then the signal processor 2 sends a control signal to the radio frequency signal transceiver module 3, after the radio frequency signal transceiver module 3 receives a command, the transmission signal is sent to the active phased array antenna 4, the transmission signal reaches the phased array antenna array 8 through the power distribution network 5 and the TR component 6, under the control of the signal processor 2, the TR component 6 controls the amplitude and the phase of the transmission signal, so that the transmission signal forms a signal in a specific direction on the interface of the phased array antenna array 8, after the transmission signal is reflected by the landing surface of an extraterrestrial celestial body in the direction, an echo signal enters the phased array antenna array 8, enters the receiving signal input end of the radio frequency signal transceiver module 3 through the TR component 6 and the power distribution network 5, also under the control of the signal processor 2, the TR component 6 controls the amplitude and the phase of a received signal to enable the antenna receiving direction in the direction to be strongest, the radio frequency signal receiving and transmitting module 3 receives the echo signal and then carries out processing such as frequency mixing, filtering, amplification and the like to form an intermediate frequency signal, the intermediate frequency signal enters the signal processor 2 through a signal line, the signal processor 2 processes the intermediate frequency signal to obtain a distance and speed measurement value in the direction, and distance and speed measurement in the next direction is carried out under the control of the signal processor 2 until the measurement in all the specified directions is completed. When the thermal control cooling plate 7 is used for testing for a long time, the active phased array antenna 4 is cooled, and damage to products due to overhigh temperature is prevented.
The invention utilizes the signal processor 2 to control the TR component 6, controls the amplitude and the phase of the transmitting signal and the receiving signal, realizes the distance and the speed measurement in a specific direction in the landing process of the extraterrestrial celestial body, uses the same set of hardware, solves the problems of multiple radar parts and complex system composition in the landing measurement of the extraterrestrial body, reduces the volume and the weight of products, reduces the power consumption of the products, improves the reliability of the products and can better meet the requirements of engineering development.
Claims (2)
1. The utility model provides an extraterrestrial celestial body landing survey phased array radar which characterized in that, it includes: the system comprises a power module (1), a signal processor (2), a radio frequency signal transceiving module (3) and an active phased array antenna (4); wherein the active phased array antenna (4) comprises: the power distribution network (5), the TR component (6), the thermal control cold plate (7) and the phased array antenna array (8);
a signal power supply interface of a power supply module (1) is connected with a power supply interface of a signal processor (2) through a power supply line, a radio frequency power supply interface of the power supply module (1) is connected with a power supply interface of a radio frequency signal transceiver module (3) through a power supply line, an antenna power supply interface of the power supply module (1) is connected with a power supply line of a power supply interface of an active phased array antenna (4), a medium frequency input port of the signal processor (2) is connected with a medium frequency output port radio frequency line of the radio frequency signal transceiver module (3), a clock input port of the signal processor (2) is connected with a clock output port radio frequency line of the radio frequency signal transceiver module (3), a radio frequency control signal output port of the signal processor (2) is connected with a control signal input port of the radio frequency signal transceiver module (3) through a radio signal, an antenna control signal output port of the signal processor (2) is connected with a control signal input port of the active phased array antenna (4) through a radio signal, a receiving signal input interface of the radio frequency signal transceiving module (3) is connected with a receiving signal output interface signal line of the active phased array antenna (4), a transmitting signal output interface of the radio frequency signal transceiving module (3) is connected with a transmitting signal input interface signal line of the active phased array antenna (4), the active phased array antenna (4) consists of a power distribution network (5), a TR component (6) and a phased array antenna array (8), an input/output end of the power distribution network (5) is bidirectionally connected with a radio frequency connector at an input/output end of the TR component (6), an input/output end of the TR component (6) is bidirectionally connected with a radio frequency connector at an input/output end of the phased array antenna array (8), and a thermal control cold plate (7) is in screw connection with the TR component (6) and the phased array antenna array (8);
after the phased array radar for measuring the landing of the extraterrestrial celestial body is powered on, a radio frequency signal transceiver module (3) sends a clock signal to a signal processor (2), the signal processor (2) loads a program under the driving of the clock signal, then the signal processor (2) sends a control signal to the radio frequency signal transceiver module (3), the radio frequency signal transceiver module (3) receives a command and sends a transmission signal to an active phased array antenna (4), the transmission signal reaches a phased array antenna array (8) through a power division network (5) and a TR component (6), under the control of the signal processor (2), the TR component (6) controls the amplitude and the phase of the transmission signal, so that the transmission signal forms a signal in a specific direction on the interface of the phased array antenna (8), after the transmission signal is reflected by the landing surface of the extraterrestrial body in the specific direction, an echo signal enters the phased array antenna (8), the signal enters a receiving signal input end of the radio frequency signal transceiving module (3) through the TR component (6) and the power distribution network (5); under the control of the signal processor (2), the TR component (6) controls the amplitude and the phase of a received signal, so that the antenna receiving direction in the direction is strongest, after the radio frequency signal transceiver module (3) receives the echo signal, the echo signal is subjected to frequency mixing, filtering and amplification processing to form an intermediate frequency signal, the intermediate frequency signal enters the signal processor (2) through a signal line, and the signal processor (2) processes the intermediate frequency signal to obtain a distance and speed measured value in the direction;
under the control of the signal processor (2), the radar measures the distance and the speed in the next direction until all the specified directions are measured.
2. The phased array radar for extraterrestrial celestial body landing survey according to claim 1, wherein the thermal control cold plate (7) is used for cooling the active phased array antenna (4) during long-time testing.
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| CN201910776331.7A CN110554375B (en) | 2019-08-22 | 2019-08-22 | Phased array radar for measuring landing of extraterrestrial celestial body |
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| CN201910776331.7A CN110554375B (en) | 2019-08-22 | 2019-08-22 | Phased array radar for measuring landing of extraterrestrial celestial body |
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| CN110554375B true CN110554375B (en) | 2021-09-14 |
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| CN112558019B (en) * | 2020-12-14 | 2023-08-15 | 北京遥感设备研究所 | Extraterrestrial celestial body landing measurement radar receiving and transmitting isolation system based on pseudo code modulation |
| CN113534066B (en) * | 2021-06-23 | 2023-06-20 | 北京遥感设备研究所 | Method and system for eliminating landing measurement radar altitude multi-reflection wild value |
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