Configuration method for electromagnetic resonant arrays and electronic device for configuring electromagnetic resonant arrays

Abstract

A method for configuring an electromagnetic resonant array and an electronic device for configuring the electromagnetic resonant array are provided. The electromagnetic resonant array includes multiple electromagnetic resonant elements. Each electromagnetic resonant element has M distinct candidate phase delay values. The configuration method includes: dividing the multiple electromagnetic resonant elements into Q groups of electromagnetic resonant elements according to the multiple target phase delay values ​​of the multiple electromagnetic resonant elements, wherein the k-th group of electromagnetic resonant elements includes N electromagnetic resonant elements; selecting a first phase delay value and a second phase delay value from the M candidate phase delay values ​​according to the equivalent phase delay value corresponding to the k-th group of electromagnetic resonant elements; configuring the first phase delay value for n electromagnetic resonant elements and configuring the second phase delay value for Nn electromagnetic resonant elements, so that the k-th group of electromagnetic resonant elements is configured with an equivalent phase delay value.

Claims

1. A method for configuring an electromagnetic resonant array, wherein the electromagnetic resonant array comprises a plurality of electromagnetic resonant units, each of the electromagnetic resonant units having M distinct candidate phase delays, the configuration method comprising: Determine multiple target phase delays of the plurality of electromagnetic resonant units; Based on the multiple target phase delays, the multiple electromagnetic resonant units are divided into Q groups of electromagnetic resonant units, wherein the k-th group of electromagnetic resonant units includes N electromagnetic resonant units; the equivalent phase delay corresponding to the k-th group of electromagnetic resonant units is determined; a first phase delay and a second phase delay are selected from M candidate phase delays based on the equivalent phase delay, wherein the first phase delay is less than the equivalent phase delay, the equivalent phase delay is less than the second phase delay, and the difference between the second phase delay and the first phase delay is less than 180 degrees; based on the equivalent phase delay, the first phase delay, and the second phase delay, n electromagnetic resonant units in the k-th group of electromagnetic resonant units that need to be configured with the first phase delay and Nn electromagnetic resonant units that need to be configured with the second phase delay are determined; and the first phase delay is configured for the n electromagnetic resonant units, and the second phase delay is configured for the Nn electromagnetic resonant units, so that the k-th group of electromagnetic resonant units is configured with the equivalent phase delay; Where M, N, Q, k, and n are all positive integers, n is not greater than N, and k is not greater than Q.

2. The configuration method as described in request item 1, wherein among the M candidate phase delay amounts, the first phase delay amount and the second phase delay amount are closest to the equivalent phase delay amount.

3. The configuration method as described in request item 1, wherein n is calculated from the sine value of the equivalent phase delay, the sine value of the first phase delay, and the sine value of the second phase delay.

4. The configuration method as described in request item 1, wherein n is determined by the following formula: where, Let be the equivalent phase delay, be the first phase delay, and be the second phase delay.

5. The configuration method as described in request item 1, wherein in response to the difference being approximately zero, n is determined by the following formula: where, Let be the equivalent phase delay, be the first phase delay, and be the second phase delay.

6. The configuration method as described in request item 1, wherein in response to the difference being equal to 90 degrees, n is determined by the following formula: where, The equivalent phase delay is given.

7. The configuration method as described in request item 1, wherein n is obtained by querying the configuration table based on the equivalent phase delay amount.

8. The configuration method as described in request item 1, wherein n is determined by the following formula: where, Let be the equivalent phase delay, be the first phase delay, be the second phase delay, be the resonance efficiency associated with the first phase delay, and be the resonance efficiency associated with the second phase delay.

9. The configuration method as described in request item 1, wherein N is not less than 4.

10. The configuration method as described in request item 1, wherein N satisfies the following constraint: where, Let be the first phase delay and be the second phase delay.

11. The configuration method as described in claim 1, wherein the step of determining the plurality of target phase delay amounts of the plurality of electromagnetic resonant units includes: Obtain the incident characteristics of the target incident signal and the reflection characteristics of the target reflected signal; determine the geometric type of the virtual reflecting surface based on the incident characteristics and the reflection characteristics; and determine the target phase delay based on the incident characteristics, the reflection characteristics, and the geometric type.

12. The configuration method as described in claim 1, wherein the step of determining the plurality of target phase delay amounts of the plurality of electromagnetic resonant units includes: The target phase delay is determined based on the target.

13. The configuration method as described in claim 1, wherein the step of determining the equivalent phase delay amount corresponding to the kth electromagnetic resonant unit group includes: The average value of the N target phase delays of the N electromagnetic resonance units is determined as the equivalent phase delay.

14. The configuration method as described in claim 1, wherein the step of determining the equivalent phase delay amount corresponding to the kth electromagnetic resonant unit group includes: The median of the N target phase delays of the N electromagnetic resonance units is determined as the equivalent phase delay.

15. An electronic device for configuring an electromagnetic resonant array, wherein the electromagnetic resonant array comprises a plurality of electromagnetic resonant units, each of the electromagnetic resonant units having M dissimilar candidate phase delays, the electronic device comprising: The processor, and configured to perform: determining multiple target phase delay amounts for the plurality of electromagnetic resonant units; Based on the plurality of target phase delays, the plurality of electromagnetic resonant units are divided into Q groups of electromagnetic resonant units, wherein the k-th group of electromagnetic resonant units includes N electromagnetic resonant units; the equivalent phase delay corresponding to the k-th group of electromagnetic resonant units is determined; a first phase delay and a second phase delay are selected from M candidate phase delays based on the equivalent phase delay, wherein the first phase delay is less than the equivalent phase delay, the equivalent phase delay is less than the second phase delay, and the difference between the second phase delay and the first phase delay is less than 180 degrees; based on the equivalent phase delay, the first phase delay, and the second phase delay, n electromagnetic resonant units in the k-th group of electromagnetic resonant units that need to be configured with the first phase delay and Nn electromagnetic resonant units that need to be configured with the second phase delay are determined; and the first phase delay is configured for the n electromagnetic resonant units, and the second phase delay is configured for the Nn electromagnetic resonant units, so that the k-th group of electromagnetic resonant units is configured with the equivalent phase delay. Where M, N, Q, k, and n are all positive integers, n is not greater than N, and k is not greater than Q.

16. The electronic device of claim 15, wherein, among the M candidate phase delay amounts, the first phase delay amount and the second phase delay amount are closest to the equivalent phase delay amount.

17. The electronic device of claim 15, wherein n is calculated from the sine of the equivalent phase delay, the sine of the first phase delay, and the sine of the second phase delay.

18. The electronic device as claimed in claim 15, wherein n is determined by the following formula: where, Let be the equivalent phase delay, be the first phase delay, and be the second phase delay.

19. The electronic device of claim 15, wherein in response to the difference being approximately zero, n is determined by the following formula: where, Let be the equivalent phase delay, be the first phase delay, and be the second phase delay.

20. The electronic device of claim 15, wherein in response to the difference being equal to 90 degrees, n is determined by the following formula: where, The equivalent phase delay is given.

21. The electronic device as claimed in claim 15, wherein n is obtained from a configuration table based on the equivalent phase delay.

22. The electronic device as claimed in claim 15, wherein n is determined by the following formula: where, Let be the equivalent phase delay, be the first phase delay, be the second phase delay, be the resonance efficiency associated with the first phase delay, and be the resonance efficiency associated with the second phase delay.

23. The electronic device as claimed in claim 15, wherein N is not less than 4.

24. The electronic device as claimed in claim 15, wherein N satisfies the following limitation: Wherein, Let be the first phase delay and be the second phase delay.

25. The electronic device as claimed in claim 15, wherein the electronic device comprises: A communication interface, coupled to the processor, is used to acquire the incident characteristics of the target incident signal and the reflection characteristics of the target reflected signal, wherein the processor is further configured to perform: determining the geometry type of the virtual reflective surface based on the incident characteristics and the reflection characteristics; and determining the target phase delay amount based on the incident characteristics, the reflection characteristics, and the geometry type.

26. The electronic device of claim 15, wherein the processor determines the target phase delay amount based on a target.

27. The electronic device of claim 15, wherein the processor determines the average of the N target phase delays of the N electromagnetic resonant units as the equivalent phase delay.

28. The electronic device of claim 15, wherein the processor determines the median of the N target phase delays of the N electromagnetic resonant units as the equivalent phase delay.

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