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Novel method for designing M*N nonen matrix

A new method and matrix technology, applied in the field of designing M×N Noron matrix, can solve the problems of complex design method and not very practical, and achieve the effect of scalability and suitable for programming calculation.

Active Publication Date: 2020-05-12
中国电波传播研究所
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Problems solved by technology

However, in the current research on the Noren matrix, some design methods are actually very complicated, and some designs are not very practical in programming calculations, so we can find a more concise and more suitable Noron matrix design method for programming calculations becomes very important

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  • Novel method for designing M*N nonen matrix
  • Novel method for designing M*N nonen matrix
  • Novel method for designing M*N nonen matrix

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Embodiment 1

[0054] Embodiment 1. This embodiment discloses a new method for designing an M×N Noren matrix. Under the condition that the M excitation vectors of the Noren matrix are orthonormal, the first of the coupler scattering matrices Column M is also orthonormal. When only the i-th row input port in the Noren matrix is ​​excited by unit power, the formula can be obtained According to the characteristics of the coupler: the phase relationship between ports 1, 2, 3 and 4, the value of the phase shifter can be obtained Then according to the formula for calculating the coupling value of the coupler in row i: The coupling coefficient θ of the coupler can be obtained mn . After repeating the above steps, the values ​​of all couplers and phase shifters in the Noren matrix can be obtained, which is the design method of this kind of M×N Noren matrix.

[0055] Such as Figure 1-2 As shown, the Noren matrix includes phase shifters and couplers, so that the value of the phase shifter is ...

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Abstract

The invention discloses a novel method for designing an M*N nonen matrix. The Norn matrix comprises a phase shifter and a coupler, the value of the phase shifter is set as follows: the scattering matrix of the coupler is [S], each input port is isolated from other input ports as seen from the scattering matrix [S], and in order to design the Norn matrix meeting the requirements, the parameters ofthe phase shifter and the coupler are required to be solved. The feed network based on the nonel matrix or the nonel matrix has the advantages of convenience and expansibility for any number of antennas (output ports) and radiation beams (input ports). The novel method for designing the M*N nonen matrix is simpler and more suitable for programming calculation.

Description

technical field [0001] The invention belongs to the field of matrix equations and networks, in particular to a new method for designing M*N Noren matrix in this field. Background technique [0002] The exploration of multibeam antennas has been at the forefront of research in recent decades, and the development of this field is mainly derived from the study of beamforming matrices. A multibeam antenna is a linear antenna array fed by a multiple-input multiple-output beamforming network (matrix or lens). The beamforming network provides excitation with suitable amplitude and phase to the antenna array, and each input port of the beamforming network corresponds to a discrete radiation beam in space. Thus, in transmit mode, multiple independent beams are generated from one aperture through sequential excitation of the beamforming input port; on the other hand, all beams are available simultaneously in receive mode. Multi-beam antennas are widely used in the field of satellite...

Claims

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Application Information

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IPC IPC(8): G06F17/16H04B7/0456H04B7/06
CPCG06F17/16H04B7/0456H04B7/0617
Inventor 李文廷孔迪高式昌苏海滨任晓飞
Owner 中国电波传播研究所
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