JP-2026075259-A - Polarization information output device, polarization information output method, and polarization information output program

Abstract

[Problem] To enable the identification of the polarization characteristics of radio waves in environments where antenna installation space is limited. [Solution] The polarization information output device comprises a receiving unit that receives signals indicating a first component and a second component, which are amplitude components separated into two mutually orthogonal directions, from a received radio wave, which is a radio wave received by an antenna; a identifying unit that identifies the polarization characteristics of the received radio wave based on the first component and the second component; and an output unit that outputs received radio wave information, which is information about the received radio wave, including polarization information, which is information about the identified polarization characteristics, wherein the first component and the second component are output from a single antenna. [Selection Diagram] Figure 2

Inventors

• 宮本 勝男
• 竹村 崇

Assignees

• 日本電気株式会社

Dates

Publication Date

20260508

Application Date

20241022

Claims (10)

1. A receiving unit receives signals that represent the first and second amplitude components, which are the amplitude components of a received radio wave, which is a radio wave received by an antenna, separated into two amplitude components in mutually orthogonal directions. A specific unit that identifies the polarization characteristics of the received radio wave based on the first component and the second component, It comprises an output unit that outputs polarization information, which is information about the characteristics of the specified polarization, and received radio wave information, which is information about the received radio wave, The first component and the second component are output from a single antenna. Polarization information output device.
2. The aforementioned antenna is a sinuous antenna. Polarization information output device according to claim 1.
3. The system further includes an estimation unit that estimates the type of source of the received radio waves based on the received radio wave information. Polarization information output device according to claim 1 or claim 2.
4. The received radio wave information includes the estimated result of the type of source of the received radio wave. A polarization information output device according to claim 3.
5. The output unit outputs the received radio wave information when it is estimated that the received radio wave is an unknown radio wave. Polarization information output device according to claim 1 or claim 2.
6. The output unit causes the display means to display an image containing the received radio wave information. Polarization information output device according to claim 1 or claim 2.
7. The identifying unit identifies whether the polarization characteristics of the received radio wave are vertical polarization, horizontal polarization, right-hand circular polarization, or left-hand circular polarization. Polarization information output device according to claim 1 or claim 2.
8. If the received radio wave is a radio wave that repeatedly emits pulses, the received radio wave information further includes at least one of the pulse repetition period and pulse width. Polarization information output device according to claim 1 or claim 2.
9. Polarization information output device, The received radio wave, which is a radio wave received by an antenna, is separated into amplitude components in two mutually orthogonal directions, and the signal is received showing the first component and the second component, which are the respective amplitude components. Based on the first component and the second component, the polarization characteristics of the received radio wave are identified. It outputs polarization information, which is information about the characteristics of the identified polarization, and received radio wave information, which is information about the received radio wave. The first component and the second component are output from a single antenna. Polarization information output method.
10. On the computer, A receiving function that receives signals representing the first and second amplitude components, which are the amplitude components of a received radio wave (a radio wave received by an antenna) separated into two mutually orthogonal amplitude components, and A specific function that identifies the polarization characteristics of the received radio wave based on the first component and the second component, An output function is realized that includes polarization information, which is information about the characteristics of the identified polarization, and outputs received radio wave information, which is information about the received radio wave. The first component and the second component are output from a single antenna. A program for outputting polarization information.

Description

This disclosure relates to a polarization information output device, a polarization information output method, and a polarization information output program. There is a need to determine the polarization characteristics of radio waves propagating through outer space. Polarization characteristics are properties related to polarization. One method for estimating the polarization characteristics of radio waves is described in Patent Document 1. Patent Document 1 describes how the power and phase of horizontally and vertically polarized waves received by multiple antennas are measured, and how the direction and type of linear polarization are estimated. Japanese Patent Publication No. 2019-161611 This figure shows an example configuration of a polarization information output device in this disclosure.This figure shows an example of the operation flow of the polarization information output device in this disclosure.This figure shows an example of a group of devices related to the polarization information output device of this disclosure.This figure shows an example of a group of devices related to the polarization information output device of this disclosure.This figure shows an example of a group of devices related to the polarization information output device of this disclosure.This figure shows an example configuration of a polarization information output device in this disclosure.This figure shows an example of a display image in this disclosure.This figure shows an example of a display image in this disclosure.This figure shows an example of the operation flow of the polarization information output device in this disclosure.This figure shows an example of the hardware configuration of each embodiment of the present disclosure. [First Embodiment] A first embodiment of this disclosure will be described. Furthermore, a specific example of the polarization information output device 10 in the first embodiment is the polarization information output device 20 in the second embodiment, which will be described later. First, an example of the polarization information output device 10 configuration will be explained using Figure 1. Figure 1 is a diagram showing an example of the polarization information output device 10 configuration. The polarization information output device 10 includes a receiving unit 11, a specifying unit 12, and an output unit 13. The receiving unit 11 receives signals indicating a first component and a second component. The first and second components are the amplitude components obtained by separating the received radio wave into two amplitude components in mutually orthogonal directions. The received radio wave is the radio wave received by the antenna. Both the first and second components are output from a single antenna. The identification unit 12 determines the polarization characteristics of the received radio wave based on the first and second components. The output unit 13 outputs received radio wave information. The received radio wave information is information about the received radio waves. The received radio wave information includes polarization information. Polarization information is information about the characteristics of the specified polarization. Next, an example of the operation flow of the polarization information output device 10 will be described. Figure 2 shows an example of the operation flow of the polarization information output device 10. The receiving unit 11 receives signals indicating a first component and a second component (step S101). The first and second components are output from a single antenna. The identification unit 12 identifies the polarization characteristics of the received radio wave based on the first and second components (step S102). The output unit 13 outputs the received radio wave information (step S103). The received radio wave information includes polarization information. As described above, in the first embodiment of this disclosure, the polarization information output device 10 includes a receiving unit 11, a identifying unit 12, and an output unit 13. The receiving unit 11 receives a signal indicating a first component and a second component. The first and second components are the respective amplitude components obtained by separating the received radio wave into amplitude components in two mutually orthogonal directions. The received radio wave is a radio wave received by an antenna. The first and second components are output from a single antenna. The identifying unit 12 identifies the polarization characteristics of the received radio wave based on the first and second components. The output unit 13 outputs received radio wave information. The received radio wave information is information about the received radio wave. The received radio wave information includes polarization information. The polarization information is information about the identified polarization characteristics. Thus, the polarization information output device