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Radar measurement material three-dimensional material level sensor system with phased-array antenna

A phased array antenna, three-dimensional object technology, applied in radio wave measurement systems, antenna supports/installation devices, antennas, etc., can solve the problems of high system complexity and increased cost, and achieve the effect of high flexibility

Pending Publication Date: 2021-03-12
SHANGHAI UNIV
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Problems solved by technology

Each transmitting and receiving channel of the radar level gauge is an active channel integrating a phase shifter, and each receiving channel also needs to integrate a mixer, which makes the system complex and significantly increases the cost

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  • Radar measurement material three-dimensional material level sensor system with phased-array antenna

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] refer to figure 1 , a radar measurement material three-dimensional level sensor system with a phased array antenna, comprising: hardware components and software components for controlling and adjusting the hardware components, the software components include a microcontroller (Microcontroller Unit, MCU) 1 ;

[0020] The hardware components include a receiving channel and a transmitting channel, the receiving channel and the transmitting channel are bot...

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Abstract

The invention discloses a radar measurement material three-dimensional material level sensor system with a phased-array antenna, which comprises a hardware component and a software component for controlling and adjusting the hardware component. The software component comprises a microcontroller; the hardware component comprises a receiving channel and a transmitting channel, the receiving channeland the transmitting channel are both in signal connection with a microcontroller, the receiving channel and the transmitting channel are connected with a phased array transceiving antenna through a high-speed electric control switch, and the phased array transceiving antenna comprises a plurality of channels. Each channel comprises an electric control phase shifter, an amplifier (attenuator) in signal connection with the electric control phase shifter and an antenna unit in signal connection with the amplifier (attenuator). According to the invention, the phased array antenna technology is utilized, and the single-emission and single-reception frequency modulation continuous wave radar systems are combined to realize the measurement of the three-dimensional material level of the material.

Description

technical field [0001] The invention relates to the technical field of radar level gauges, in particular to a radar three-dimensional level sensor system for measuring materials with a phased array antenna. Background technique [0002] Radar level gauge is widely used in the measurement of material level because of its advantages of non-contact working mode, real-time sensing, and coping with various complex environments. According to the different radar working signals, radar can be divided into pulse system radar and frequency modulation continuous wave system radar. Compared with pulse system radar, frequency modulation continuous wave system radar has obvious advantages in the field of level meter. The target information is different, the working signals of different modulation methods are adopted, and the long-distance target information can be detected with a small transmission power, which has the characteristics of low power consumption and high flexibility. [000...

Claims

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Application Information

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IPC IPC(8): G01S13/42G01S7/35H01Q3/34H01Q1/22
CPCG01S13/426G01S7/35G01S7/354H01Q3/34H01Q1/225
Inventor 何国强卢钰杨雪霞
Owner SHANGHAI UNIV
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