CN219039347U - Micro-deformation detection radar receiving and transmitting system - Google Patents
Micro-deformation detection radar receiving and transmitting system Download PDFInfo
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- CN219039347U CN219039347U CN202222624014.3U CN202222624014U CN219039347U CN 219039347 U CN219039347 U CN 219039347U CN 202222624014 U CN202222624014 U CN 202222624014U CN 219039347 U CN219039347 U CN 219039347U
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Abstract
The utility model provides a micro-deformation detection radar receiving and transmitting system, which relates to the technical field of radar receiving and transmitting devices and comprises 0-300Mhz sweep frequency sources, 2.1Ghz point frequency sources, a sum frequency mixer, 2.1-2.4Ghz band-pass filters, a power amplifier, a digital adjustable attenuator, a TR switch, a horn antenna, a low-noise amplifier, a difference frequency mixer, 0-300Mhz band-pass filters, a high-speed sampling module and an analysis algorithm module, wherein the number of the 2.1-2.4Ghz band-pass filters is two. After receiving through the micro-band antenna, the utility model filters out-of-band noise through the TR switch and the 2.1-2.4Ghz band-pass filter, amplifies the signal through the low-noise amplifier, mixes the amplified signal with the 2.1Ghz point frequency source to 0-300Mhz signal, acquires the signal through the high-speed acquisition card, analyzes the signal through the complex algorithm to obtain deformation data of the target object, and can reduce the production cost through using the 2.4Ghz radar device.
Description
Technical Field
The utility model belongs to the technical field of radar receiving and transmitting devices, and particularly relates to a micro-deformation detection radar receiving and transmitting system.
Background
Radar transmitters refer to radios that provide high power radio frequency signals for radar. According to the modulation mode, the transmitters can be divided into two types, namely a continuous wave transmitter and a pulse transmitter, and the transmitters consist of a primary radio frequency oscillator and a pulse modulator.
Based on the above, the present inventors found that the following problems exist: the existing slope radar system mainly uses a 17Ghz frequency band, the frequency band is a military frequency band, and the production cost is high during actual production, so that the price of the whole device is high, and the market price of equipment is directly improved.
Accordingly, in view of the above, research and improvement are made to the existing structure and the existing defects, and a micro-deformation detection radar receiving and transmitting system is provided so as to achieve the purpose of more practical value.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a micro-deformation detection radar receiving and transmitting system, which aims to solve the problems that the existing slope radar system mainly uses the 17Ghz frequency band and the production cost is high in actual production.
The utility model discloses a micro-deformation detection radar receiving and transmitting system, which is realized by the following specific technical means:
a micro-deformation detection radar receiving and transmitting system comprises a 0-300Mhz sweep frequency source, a 2.1Ghz point frequency source, a mixer, 2.1-2.4Ghz band-pass filters, a power amplifier, a digital adjustable attenuator, a TR switch, a horn antenna, a low noise amplifier, a difference frequency mixer, 0-300Mhz band-pass filters, a high-speed sampling module and an analysis algorithm module, wherein the number of the 2.1-2.4Ghz band-pass filters is two.
Further, the 0-300Mhz sweep frequency source and the 2.1Ghz point frequency source are electrically connected with the active power divider, the active power divider is electrically connected with the frequency mixer, the frequency mixer is electrically connected with one of the 2.1-2.4Ghz band-pass filters, one of the 2.1-2.4Ghz band-pass filters is electrically connected with the power amplifier, and the power amplifier is electrically connected with the digital adjustable attenuator.
Further, the digital adjustable attenuator is electrically connected with the TR switch, and the TR switch is electrically connected with the microstrip antenna in a bidirectional manner.
Further, the TR switch is electrically connected to the low noise amplifier through another 2.1-2.4Ghz band-pass filter.
Further, the low noise amplifier is electrically connected with the difference frequency mixer, the difference frequency mixer is electrically connected with the 0-300Mhz band-pass filter, the 0-300Mhz band-pass filter is electrically connected with the high-speed sampling module, and the high-speed sampling module is electrically connected with the analysis algorithm module.
Compared with the prior art, the utility model has the following beneficial effects:
after receiving through the micro-band antenna, the utility model filters out-of-band noise through the TR switch and the 2.1-2.4Ghz band-pass filter, amplifies the signal through the low-noise amplifier, mixes the amplified signal with the 2.1Ghz point frequency source to 0-300Mhz signal, acquires the signal through the high-speed acquisition card, analyzes the signal through the complex algorithm to obtain deformation data of the target object, and can reduce the production cost through using the 2.4Ghz radar device.
Drawings
Fig. 1 is a schematic diagram of module connection of a micro-deformation detection radar receiving and transmitting system according to the present utility model.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1:
the utility model provides a micro-deformation detection radar receiving and transmitting system which comprises a 0-300Mhz sweep frequency source, a 2.1Ghz point frequency source, a mixer, 2.1-2.4Ghz band-pass filters, a power amplifier, a digital adjustable attenuator, a TR switch, a horn antenna, a low-noise amplifier, a difference frequency mixer, 0-300Mhz band-pass filters, a high-speed sampling module and an analysis algorithm module, wherein the number of the 2.1-2.4Ghz band-pass filters is two.
The frequency mixer is electrically connected with one 2.1-2.4Ghz band-pass filter, one 2.1-2.4Ghz band-pass filter is electrically connected with a power amplifier, and the power amplifier is electrically connected with a digital adjustable attenuator.
The digital adjustable attenuator is electrically connected with the TR switch, and the TR switch is electrically connected with the microstrip antenna in a bidirectional manner.
The TR switch is electrically connected with the low-noise amplifier through another 2.1-2.4Ghz band-pass filter.
The low-noise amplifier is electrically connected with the difference frequency mixer, the difference frequency mixer is electrically connected with the 0-300Mhz band-pass filter, the 0-300Mhz band-pass filter is electrically connected with the high-speed sampling module, and the high-speed sampling module is electrically connected with the analysis algorithm module.
Specific use and action of the embodiment:
according to the utility model, firstly, a 2.1-2.4Ghz sweep frequency signal is generated after a 0-300Mhz sweep frequency source is mixed with a 2.1Ghz point frequency source and frequency, out-of-band noise is filtered through a 2.1-2.4G band-pass filter, amplified through a power amplifier, regulated by a digital adjustable attenuator to proper transmitting power, output through a micro-band antenna through a TR switch, finally, an echo signal is received through the micro-band antenna, filtered out-of-band noise through the TR switch and the 2.1-2.4Ghz band-pass filter, amplified through a low noise amplifier, mixed with the 2.1Ghz point frequency source down to 0-300Mhz signal, and acquired through a high-speed acquisition card and analyzed through a complex algorithm, so that deformation data of a target object can be obtained.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. A micro-deformation detection radar receiving and transmitting system is characterized in that: the device comprises a 0-300Mhz sweep frequency source, a 2.1Ghz point frequency source, a mixer, 2.1-2.4Ghz band-pass filters, a power amplifier, a digital adjustable attenuator, a TR switch, a horn antenna, a low noise amplifier, a difference frequency mixer, 0-300Mhz band-pass filters, a high-speed sampling module and an analysis algorithm module, wherein the number of the 2.1-2.4Ghz band-pass filters is two.
2. The micro-deformation detection radar receiving and transmitting system as claimed in claim 1, wherein: the frequency sweep source of 0-300Mhz and the frequency source of 2.1Ghz are electrically connected with the active power divider, the active power divider is electrically connected with the mixer, the mixer is electrically connected with one of the 2.1-2.4Ghz band-pass filters, one of the 2.1-2.4Ghz band-pass filters is electrically connected with the power amplifier, and the power amplifier is electrically connected with the digital adjustable attenuator.
3. The micro-deformation detection radar receiving and transmitting system as claimed in claim 1, wherein: the digital adjustable attenuator is electrically connected with the TR switch, and the TR switch is electrically connected with the microstrip antenna in a bidirectional manner.
4. The micro-deformation detection radar receiving and transmitting system as claimed in claim 1, wherein: the TR switch is electrically connected with the low noise amplifier through another 2.1-2.4Ghz band-pass filter.
5. The micro-deformation detection radar receiving and transmitting system as claimed in claim 1, wherein: the low-noise amplifier is electrically connected with the difference frequency mixer, the difference frequency mixer is electrically connected with the 0-300Mhz band-pass filter, the 0-300Mhz band-pass filter is electrically connected with the high-speed sampling module, and the high-speed sampling module is electrically connected with the analysis algorithm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222624014.3U CN219039347U (en) | 2022-09-30 | 2022-09-30 | Micro-deformation detection radar receiving and transmitting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222624014.3U CN219039347U (en) | 2022-09-30 | 2022-09-30 | Micro-deformation detection radar receiving and transmitting system |
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| Publication Number | Publication Date |
|---|---|
| CN219039347U true CN219039347U (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222624014.3U Active CN219039347U (en) | 2022-09-30 | 2022-09-30 | Micro-deformation detection radar receiving and transmitting system |
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| Country | Link |
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| CN (1) | CN219039347U (en) |
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2022
- 2022-09-30 CN CN202222624014.3U patent/CN219039347U/en active Active
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