CN112816951A - Vehicle-mounted radar simulation internal field testing device and method - Google Patents
Vehicle-mounted radar simulation internal field testing device and method Download PDFInfo
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- CN112816951A CN112816951A CN202011548518.0A CN202011548518A CN112816951A CN 112816951 A CN112816951 A CN 112816951A CN 202011548518 A CN202011548518 A CN 202011548518A CN 112816951 A CN112816951 A CN 112816951A
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- 238000004088 simulation Methods 0.000 title claims abstract description 132
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003111 delayed effect Effects 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- G01S7/40—Means for monitoring or calibrating
-
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
Abstract
One embodiment of the invention discloses a vehicle-mounted radar simulation internal field testing device and a method, wherein the device comprises the following components: the system comprises a vehicle-mounted radar detector, a radar simulation receiver, a radar simulation transmitter, a compact range, a two-axis rotary table, a three-axis rotary table and a simulation control module; the vehicle-mounted radar detector is mounted on the three-axis rotary table; the radar simulation receiver and the radar simulation transmitter are arranged at one end of the two-axis rotary table in parallel; the compact range is arranged at the other end of the two-axis rotary table; wherein the radar simulation receiver and the radar simulation transmitter are installed at a focus of a compact range; the vehicle-mounted radar detector, the radar simulation receiver, the radar simulation transmitter, the compact range, the two-axis rotary table and the three-axis rotary table are electrically connected with the simulation control module.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted radar testing, in particular to a device and a method for testing a simulation internal field of a vehicle-mounted radar.
Background
The vehicle-mounted radar is a common detection device, is mainly used for intelligent driving, relates to radar detection technology, real-time navigation control technology and the like, has complex system composition, and needs to be strictly tested before use. At present, most of vehicle-mounted radar tests adopt formulated field test or miniature sand table test, but due to the problems of incompleteness and inadequacy of field test fields and the fidelity and limitation of miniature sand table test, the test of vehicle-mounted radar is severely restricted.
Disclosure of Invention
The invention aims to provide a vehicle-mounted radar simulation internal field testing device and a vehicle-mounted radar simulation internal field testing method, and solves the testing problem of a vehicle-mounted radar detector through a semi-physical simulation device based on compact range and dome projection.
In order to achieve the purpose, the invention adopts the following technical scheme:
one aspect of the present invention provides a vehicle-mounted radar simulation internal field testing apparatus, including:
the system comprises a vehicle-mounted radar detector, a radar simulation receiver, a radar simulation transmitter, a compact range, a two-axis rotary table, a three-axis rotary table and a simulation control module;
wherein the content of the first and second substances,
the vehicle-mounted radar detector is arranged on the three-axis rotary table;
the radar simulation receiver and the radar simulation transmitter are arranged at one end of the two-axis rotary table in parallel;
the compact range is arranged at the other end of the two-axis rotary table;
wherein the radar simulation receiver and the radar simulation transmitter are installed at a focus of a compact range;
the vehicle-mounted radar detector, the radar simulation receiver, the radar simulation transmitter, the compact range, the two-axis rotary table and the three-axis rotary table are electrically connected with the simulation control module.
In a specific embodiment, the radar simulation receiver is used for receiving radio frequency signals which are sent by a vehicle-mounted radar detector and reflected by a compact field, delaying the radio frequency signals under the control of the simulation control module, and then transmitting the delayed radio frequency signals to the radar simulation transmitter.
In one embodiment, the radar simulation transmitter is used for receiving the delayed radio frequency signals transmitted by the radar simulation receiver and then transmitting the delayed radio frequency signals to the compact range.
In a specific embodiment, the compact range is used for receiving a radio frequency signal sent by the vehicle-mounted radar detector, reflecting the radio frequency signal to the radar simulation receiver, and reflecting the received radio frequency signal after delay processing sent by the radar simulation transmitter to the vehicle-mounted radar detector.
In one embodiment, the two-axis turntable is used to simulate the attitude motion of an object with a radar simulation receiver, a radar simulation transmitter, and a compact range under the control of a simulation control module.
In a specific embodiment, the three-axis rotary table is used for simulating the attitude motion of the vehicle with the vehicle-mounted radar detector under the control of the simulation control module.
In a specific embodiment, the vehicle-mounted radar detector is used for transmitting a radio frequency signal; receiving the delayed processed RF signal reflected by the compact field and transmitting the delayed processed RF signal to the emulation control module.
In a specific embodiment, the simulation control module is configured to calculate a delay time according to a preset distance between the two-axis turntable and the three-axis turntable, and then control the radar simulation receiver to perform delay processing on the received radio frequency signal according to the delay time; controlling a two-axis turntable to simulate the attitude motion of a target according to preset motion model data, and controlling a three-axis turntable to simulate the attitude motion of a vehicle; and processing the radio-frequency signal transmitted by the vehicle-mounted radar detector after delay processing to obtain a test result.
The invention also provides a vehicle-mounted radar simulation internal field test method based on the device, which comprises the following steps:
s101: the vehicle-mounted radar detector transmits a radio frequency signal to the compact range, and meanwhile, the two-axis rotary table drives the radar simulation receiver, the radar simulation emitter and the compact range to simulate the attitude motion of a target under the control of the simulation control module; the three-axis turntable drives the vehicle-mounted radar detector to simulate the attitude motion of the vehicle under the control of the simulation control module;
s102: the compact range receives a radio-frequency signal sent by the vehicle-mounted radar detector and reflects the radio-frequency signal to the radar simulation receiver;
s103: the radar simulation receiver receives radio-frequency signals which are sent by the vehicle-mounted radar detector and reflected by a compact range, delays the radio-frequency signals under the control of the simulation control module, and then transmits the radio-frequency signals after the delay processing to the radar simulation transmitter;
s104: the radar simulation transmitter receives the radio-frequency signals after delay processing transmitted by the radar simulation receiver and then transmits the radio-frequency signals after delay processing to a compact range;
s105: the compact range reflects the received radio-frequency signals transmitted by the radar simulation transmitter after delay processing to the vehicle-mounted radar detector;
s106: the vehicle-mounted radar detector receives the radio-frequency signals reflected by the compact range and subjected to delay processing, and transmits the radio-frequency signals subjected to delay processing to the simulation control module;
s107: and the simulation control module processes the radio-frequency signal which is transmitted by the vehicle-mounted radar detector and subjected to delay processing to obtain a test result.
The invention has the following beneficial effects:
the invention provides a vehicle-mounted radar simulation internal field testing device and method, which solve the testing problem of a vehicle-mounted radar detector through a semi-physical simulation device based on compact range and dome projection, can fully simulate and verify the vehicle-mounted radar detector in an internal field laboratory, have sufficiency, repeatability and non-destructiveness, and improve the fidelity.
Drawings
In order to more clearly illustrate the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are one embodiment of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 shows a schematic diagram of a vehicle-mounted radar simulation internal field testing device according to an embodiment of the invention.
Fig. 2 shows a flow chart of a method for testing an in-vehicle radar simulation internal field according to an embodiment of the invention.
Detailed Description
In order to make the technical solution of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. The present invention will be described in detail with reference to specific examples, but the present invention is not limited to these examples. Variations and modifications may be made by those skilled in the art without departing from the principles of the invention and should be considered within the scope of the invention.
In one aspect, this embodiment provides a vehicle-mounted radar simulation internal field testing apparatus, as shown in fig. 1, the apparatus includes:
the device comprises a vehicle-mounted radar detector 1, a radar simulation receiver 2, a radar simulation emitter 3, a compact range 4, a two-axis rotary table 5, a three-axis rotary table 6 and a simulation control module 7;
wherein the content of the first and second substances,
the vehicle-mounted radar detector 1 is arranged on the three-axis rotary table 6;
the radar simulation receiver 2 and the radar simulation transmitter 3 are arranged at one end of the two-axis rotary table 5 in parallel;
the compact range 4 is arranged at the other end of the two-axis rotary table 5;
wherein the radar simulation receiver 2 and the radar simulation transmitter 3 are installed at the focus of the compact range 4;
the vehicle-mounted radar detector 1, the radar simulation receiver 2, the radar simulation emitter 3, the compact range 4, the two-axis rotary table 5 and the three-axis rotary table 6 are electrically connected with the simulation control module 7.
Wherein the content of the first and second substances,
the radar simulation receiver is used for receiving radio frequency signals which are sent by the vehicle-mounted radar detector and reflected by the compact field, delaying the radio frequency signals under the control of the simulation control module, and then transmitting the radio frequency signals after delaying the processing to the radar simulation transmitter.
The radar simulation transmitter is used for receiving the delayed radio-frequency signals transmitted by the radar simulation receiver and then transmitting the delayed radio-frequency signals to the compact range.
The compact range is used for receiving radio-frequency signals sent by the vehicle-mounted radar detector, reflecting the radio-frequency signals to the radar simulation receiver, and reflecting the received radio-frequency signals sent by the radar simulation transmitter after delay processing to the vehicle-mounted radar detector.
The two-axis rotary table is used for driving the radar simulation receiver, the radar simulation emitter and the compact range to simulate the attitude motion of the target under the control of the simulation control module.
The three-axis rotary table is used for driving the vehicle-mounted radar detector to simulate the attitude motion of the vehicle under the control of the simulation control module.
The vehicle-mounted radar detector is used for transmitting a radio frequency signal; receiving the delayed processed RF signal reflected by the compact field and transmitting the delayed processed RF signal to the emulation control module.
The simulation control module is used for resolving delay time according to a preset distance between the two-axis rotary table and the three-axis rotary table, such as 1000 meters, and then controlling the radar simulation receiver to delay the radio-frequency signal according to the delay time; controlling a two-axis turntable to simulate the attitude motion of a target according to preset motion model data such as speed, attitude angle and the like, and controlling a three-axis turntable to simulate the attitude motion of a vehicle; and processing the radio-frequency signal transmitted by the vehicle-mounted radar detector after delay processing to obtain a test result.
In another aspect, the present embodiment provides a method for testing a simulated internal field of a vehicle-mounted radar according to the above apparatus, as shown in fig. 2, the method includes the following steps:
s101: the vehicle-mounted radar detector transmits a radio frequency signal to the compact range, and meanwhile, the two-axis rotary table drives the radar simulation receiver, the radar simulation emitter and the compact range to simulate the attitude motion of a target under the control of the simulation control module; the three-axis turntable drives the vehicle-mounted radar detector to simulate the attitude motion of the vehicle under the control of the simulation control module;
s102: the compact range receives a radio-frequency signal sent by the vehicle-mounted radar detector and reflects the radio-frequency signal to the radar simulation receiver;
s103: the radar simulation receiver receives radio-frequency signals which are sent by the vehicle-mounted radar detector and reflected by a compact range, delays the radio-frequency signals under the control of the simulation control module, and then transmits the radio-frequency signals after the delay processing to the radar simulation transmitter;
s104: the radar simulation transmitter receives the radio-frequency signals after delay processing transmitted by the radar simulation receiver and then transmits the radio-frequency signals after delay processing to a compact range;
s105: the compact range reflects the received radio-frequency signals transmitted by the radar simulation transmitter after delay processing to the vehicle-mounted radar detector;
s106: the vehicle-mounted radar detector receives the radio-frequency signals reflected by the compact range and subjected to delay processing, and transmits the radio-frequency signals subjected to delay processing to the simulation control module;
s107: and the simulation control module processes the radio-frequency signal which is transmitted by the vehicle-mounted radar detector and subjected to delay processing to obtain a test result.
According to the vehicle-mounted radar simulation internal field testing device and method, the testing problem of the vehicle-mounted radar detector is solved through the semi-physical simulation device based on compact range and dome projection, the vehicle-mounted radar detector can be fully simulated and verified in an internal field laboratory, the sufficiency, the repeatability and the non-destructiveness are achieved, and the fidelity is improved.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (9)
1. A vehicle-mounted radar simulation internal field testing device is characterized by comprising:
the system comprises a vehicle-mounted radar detector, a radar simulation receiver, a radar simulation transmitter, a compact range, a two-axis rotary table, a three-axis rotary table and a simulation control module;
wherein the content of the first and second substances,
the vehicle-mounted radar detector is arranged on the three-axis rotary table;
the radar simulation receiver and the radar simulation transmitter are arranged at one end of the two-axis rotary table in parallel;
the compact range is arranged at the other end of the two-axis rotary table;
wherein the radar simulation receiver and the radar simulation transmitter are installed at a focus of a compact range;
the vehicle-mounted radar detector, the radar simulation receiver, the radar simulation transmitter, the compact range, the two-axis rotary table and the three-axis rotary table are electrically connected with the simulation control module.
2. The device of claim 1, wherein the radar simulation receiver is configured to receive radio frequency signals emitted by the vehicle-mounted radar detector and reflected by the compact range, delay the radio frequency signals under the control of the simulation control module, and transmit the delayed radio frequency signals to the radar simulation transmitter.
3. The apparatus of claim 2, wherein the radar emulation transmitter is configured to receive the delayed rf signal from the radar emulation receiver and transmit the delayed rf signal to the compact range.
4. The apparatus of claim 3, wherein the compact range is configured to receive the RF signals from the vehicle-mounted radar detector, reflect the RF signals to the radar emulation receiver, and reflect the received delayed RF signals from the radar emulation transmitter to the vehicle-mounted radar detector.
5. The apparatus of claim 4, wherein the two-axis turret is adapted to simulate target attitude motion with the radar simulation receiver, the radar simulation transmitter, and the compact range under control of the simulation control module.
6. The device of claim 5, wherein the three-axis turntable is used for simulating the attitude motion of the vehicle with the vehicle-mounted radar detector under the control of the simulation control module.
7. The apparatus of claim 6, wherein the vehicle radar detector is configured to transmit a radio frequency signal; receiving the delayed processed RF signal reflected by the compact field and transmitting the delayed processed RF signal to the emulation control module.
8. The device according to claim 7, wherein the simulation control module is configured to calculate a delay time according to a preset distance between the two-axis turntable and the three-axis turntable, and then control the radar simulation receiver to perform delay processing on the received radio frequency signal according to the delay time; controlling a two-axis turntable to simulate the attitude motion of a target according to preset motion model data, and controlling a three-axis turntable to simulate the attitude motion of a vehicle; and processing the radio-frequency signal transmitted by the vehicle-mounted radar detector after delay processing to obtain a test result.
9. A vehicle-mounted radar simulation internal field test method of the device according to any one of claims 1 to 8, characterized in that the method comprises the following steps:
s101: the vehicle-mounted radar detector transmits a radio frequency signal to the compact range, and meanwhile, the two-axis rotary table drives the radar simulation receiver, the radar simulation emitter and the compact range to simulate the attitude motion of a target under the control of the simulation control module; the three-axis turntable drives the vehicle-mounted radar detector to simulate the attitude motion of the vehicle under the control of the simulation control module;
s102: the compact range receives a radio-frequency signal sent by the vehicle-mounted radar detector and reflects the radio-frequency signal to the radar simulation receiver;
s103: the radar simulation receiver receives radio-frequency signals which are sent by the vehicle-mounted radar detector and reflected by a compact range, delays the radio-frequency signals under the control of the simulation control module, and then transmits the radio-frequency signals after the delay processing to the radar simulation transmitter;
s104: the radar simulation transmitter receives the radio-frequency signals after delay processing transmitted by the radar simulation receiver and then transmits the radio-frequency signals after delay processing to a compact range;
s105: the compact range reflects the received radio-frequency signals transmitted by the radar simulation transmitter after delay processing to the vehicle-mounted radar detector;
s106: the vehicle-mounted radar detector receives the radio-frequency signals reflected by the compact range and subjected to delay processing, and transmits the radio-frequency signals subjected to delay processing to the simulation control module;
s107: and the simulation control module processes the radio-frequency signal which is transmitted by the vehicle-mounted radar detector and subjected to delay processing to obtain a test result.
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