Adjustment method and device for equalizer coefficient, and computer storage medium

1. A method for adjusting a coefficient of an equalizer, comprising:

acquiring a jones matrix with coefficients of an equalizer;

acquiring a parameter of the jones matrix; and

in response to determining, using the parameter of the jones matrix, that the coefficients are of singularity characteristics, adjusting a coefficient of X-axis or Y-axis polarization among the coefficients; wherein the meaning of the coefficients are of singularity characteristics refers to a signal of X-axis polarization and a signal of Y-axis polarization converge to each other in terms of polarization.

2. The method according to claim 1 , wherein the acquiring a parameter of the jones matrix comprises:

acquiring, by performing a mathematical operation on the jones matrix, a first parameter, a second parameter, and a third parameter, the first parameter representing strength of a signal of X-axis polarization, the second parameter representing strength of a signal of Y-axis polarization, the third parameter representing an angle between the signal of X-axis polarization and the signal of Y-axis polarization.

3. The method according to claim 2 , wherein the determining, using the parameter of the jones matrix, that the coefficients are of singularity characteristics comprises:

determining whether the third parameter is less than a first threshold; in response to determining that the third parameter is less than the first threshold, determining that the coefficients are of singularity characteristics;

alternatively,

acquiring a first value by summing over N instances of the third parameter, the N being an integer greater than 1; determining whether the first value is less than a second threshold; in response to determining that the first value is less than the second threshold, determining that the coefficients are of singularity characteristics.

4. The method according to claim 1 , further comprising: in response to determining that the coefficients are of singularity characteristics, before the adjusting a coefficient of X-axis or Y-axis polarization among the coefficients,

generating a warning of singularity.

5. The method according to claim 3 , wherein the adjusting a coefficient of X-axis or Y-axis polarization among the coefficients comprises:

in response to determining that the first parameter is greater than the second parameter, performing singularity alteration on the coefficient of X-axis polarization, and setting the coefficient of X-axis polarization having gone through the singularity alteration as the coefficient of Y-axis polarization; alternatively,

in response to determining that the first parameter is less than the second parameter, performing singularity alteration on the coefficient of Y-axis polarization, and setting the coefficient of Y-axis polarization having gone through the singularity alteration as the coefficient of X-axis polarization.

6. The method according to claim 5 , wherein the performing singularity alteration on the coefficient of X-axis polarization, and setting the coefficient of X-axis polarization having gone through the singularity alteration as the coefficient of Y-axis polarization comprises:

Hyy (1, col )=conj( Hxx (1, n+ 1− col ));

Hyx (1, col )=−conj( Hxy (1, n+ 1− col ));

wherein the conj represents conjugation, the n represents an order of a filter in the equalizer, and the col takes on a value of 1, 2, . . . , or n.

7. The method according to claim 5 , wherein the performing singularity alteration on the coefficient of Y-axis polarization, and setting the coefficient of Y-axis polarization having gone through the singularity alteration as the coefficient of X-axis polarization comprises:

Hxx (1, col )=conj( Hyy (1, n+ 1− col ));

Hxy (1, col )=−conj( Hyx (1, n+ 1− col ));

wherein the conj represents conjugation, the n represents an order of a filter in the equalizer, and the col takes on a value of 1, 2, . . . , or n.

8. The method according to claim 1 , further comprising:

determining, using two coefficients of X-axis or Y-axis polarization among the coefficients of the equalizer, strength corresponding to a coefficient of X axis or Y-axis polarization of an order of a filter in the equalizer; and

in response to determining, using the strength corresponding to a coefficient of X axis or Y-axis polarization of an order of the filter, that a central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer.

9. The method according to claim 8 , wherein the in response to determining, using the strength corresponding to a coefficient of X axis or Y-axis polarization of an order of the filter, that a central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer comprises:

setting a third parameter as a maximal strength found by searching strength corresponding to a first coefficient of X axis or Y-axis polarization of an order of the filter, and setting a fourth parameter as a first position index corresponding to the third parameter;

setting a fifth parameter as a maximal strength found by searching strength corresponding to a second coefficient of X axis or Y-axis polarization of an order of the filter, and setting a sixth parameter as a second position index corresponding to the fifth parameter; and

in response to determining, using the third parameter, the fourth parameter, the fifth parameter, the sixth parameter, and a preset condition, that the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the left or to the right by M taps, the M being an integer no less than 1.

10. The method according to claim 9 , wherein the in response to determining, using the third parameter, the fourth parameter, the fifth parameter, the sixth parameter, and a preset condition, that the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the left or to the right by M taps comprises:

in response to determining that both the fourth and sixth parameters are no greater than a third threshold and both the third and fifth parameters are greater than a fifth threshold, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the right by M taps; alternatively,

in response to determining that both the fourth and sixth parameters are no less than a fourth threshold and both the third and fifth parameters are greater than the fifth threshold, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the left by M taps.

11. A non-transitory computer-readable storage medium, storing therein instructions which when being executed, cause at least one processor to execute at least one of:

the method according to claim 1 ,

and a method for adjusting a coefficient of an equalizer, comprising:

determining, using two coefficients of X-axis or Y-axis polarization among coefficients of the equalizer, strength corresponding to a coefficient of X axis or Y-axis polarization of an order of a filter in the equalizer; and

in response to determining, using the strength corresponding to a coefficient of X axis or Y-axis polarization of an order of the filter, that a central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer.

12. The method according to claim 2 , further comprising:

determining, using two coefficients of X-axis or Y-axis polarization among the coefficients of the equalizer, strength corresponding to a coefficient of X axis or Y-axis polarization of an order of a filter in the equalizer; and

in response to determining, using the strength corresponding to a coefficient of X axis or Y-axis polarization of an order of the filter, that a central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer.

13. A method for adjusting a coefficient of an equalizer, comprising:

determining, using two coefficients of X-axis polarization among coefficients of the equalizer, strength corresponding to a coefficient of X axis polarization of an order of a filter in the equalizer; and

in response to determining, using the strength corresponding to a coefficient of X axis polarization of an order of the filter, that a central position of taps of coefficients of X axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of X axis polarization of the equalizer;

or,

determining, using two coefficients of Y-axis polarization among coefficients of the equalizer, strength corresponding to a coefficient of Y-axis polarization of an order of a filter in the equalizer; and

in response to determining, using the strength corresponding to a coefficient of Y-axis polarization of an order of the filter, that a central position of taps of coefficients of Y-axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of Y-axis polarization of the equalizer.

14. The method according to claim 13 , wherein the in response to determining, using the strength corresponding to a coefficient of X axis or Y-axis polarization of an order of the filter, that a central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer comprises:

setting a third parameter as a maximal strength found by searching strength corresponding to a first coefficient of X axis or Y-axis polarization of an order of the filter, and setting a fourth parameter as a first position index corresponding to the third parameter;

setting a fifth parameter as a maximal strength found by searching strength corresponding to a second coefficient of X axis or Y-axis polarization of an order of the filter, and setting a sixth parameter as a second position index corresponding to the fifth parameter; and

in response to determining, using the third parameter, the fourth parameter, the fifth parameter, the sixth parameter, and a preset condition, that the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the left or to the right by M taps, the M being an integer no less than 1.

15. The method according to claim 14 , wherein the in response to determining, using the third parameter, the fourth parameter, the fifth parameter, the sixth parameter, and a preset condition, that the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the left or to the right by M taps comprises:

in response to determining that both the fourth and sixth parameters are no greater than a third threshold and both the third and fifth parameters are greater than a fifth threshold, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the right by M taps; alternatively,

in response to determining that both the fourth and sixth parameters are no less than a fourth threshold and both the third and fifth parameters are greater than the fifth threshold, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the left by M taps.

16. A device for adjusting a coefficient of an equalizer, comprising a first jones matrix acquiring module, a first parameter acquiring module, and a first adjusting module,

wherein the first jones matrix acquiring module is arranged for: acquiring a jones matrix with coefficients of an equalizer,

wherein the first parameter acquiring module is arranged for: acquiring a parameter of the jones matrix,

wherein the first adjusting module is arranged for: in response to determining, using the parameter of the jones matrix, that the coefficients are of singularity characteristics, adjusting a coefficient of X-axis or Y-axis polarization among the coefficients; wherein the meaning of the coefficients are of singularity characteristics refers to a signal of X-axis polarization and a signal of Y-axis polarization converge to each other in terms of polarization.

17. The device according to claim 16 , further comprising a first warning module arranged for: in response to determining that the coefficients are of singularity characteristics, before the coefficient of X-axis or Y-axis polarization among the coefficients is adjusted, generating a warning of singularity.

18. The device according to claim 16 , further comprising a first strength determining module and a second adjusting module,

wherein the first strength determining module is arranged for: determining, using two coefficients of X-axis or Y-axis polarization among the coefficients of the equalizer, strength corresponding to a coefficient of X axis or Y-axis polarization of an order of a filter in the equalizer,

wherein the second adjusting module is arranged for: in response to determining, using the strength corresponding to a coefficient of X axis or Y-axis polarization of an order of the filter, that a central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer.

19. A device for adjusting a coefficient of an equalizer, comprising a second strength determining module, and a third adjusting module,

wherein the second strength determining module is arranged for: determining, using two coefficients of X-axis polarization among coefficients of the equalizer, strength corresponding to a coefficient of X axis polarization of an order of a filter in the equalizer,

wherein the third adjusting module is arranged for: in response to determining, using the strength corresponding to a coefficient of X axis polarization of an order of the filter, that a central position of taps of coefficients of X axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of X axis polarization of the equalizer;

or,

wherein the second strength determining module is arranged for: determining, using two coefficients of Y-axis polarization among coefficients of the equalizer, strength corresponding to a coefficient of Y-axis polarization of an order of a filter in the equalizer,

wherein the third adjusting module is arranged for: in response to determining, using the strength corresponding to a coefficient of Y-axis polarization of an order of the filter, that a central position of taps of coefficients of Y-axis polarization of the equalizer has deviated, adjusting the central position of taps of coefficients of Y-axis polarization of the equalizer.

20. The device according to claim 19 , wherein the third adjusting module further comprises a second parameter acquiring module, a third parameter acquiring module, and a center adjusting module,

wherein the second parameter acquiring module is arranged for: setting a third parameter as a maximal strength found by searching strength corresponding to a first coefficient of X axis or Y-axis polarization of an order of the filter, and setting a fourth parameter as a first position index corresponding to the third parameter,

wherein the third parameter acquiring module is arranged for: setting a fifth parameter as a maximal strength found by searching strength corresponding to a second coefficient of X axis or Y-axis polarization of an order of the filter, and setting a sixth parameter as a second position index corresponding to the fifth parameter,

wherein the center adjusting module is arranged for: in response to determining, using the third parameter, the fourth parameter, the fifth parameter, the sixth parameter, and a preset condition, that the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer has deviated, moving the central position of taps of coefficients of X axis or Y-axis polarization of the equalizer to the left or to the right by M taps, the M being an integer no less than 1.