| 摘要 |
FIELD: radio engineering, communication.SUBSTANCE: symbols from an arriving information sequence are combined pairwise, and every of which is multiplied by an expanding pseudo-random sequence, produced pair signals with expanded spectrum are multiplied by harmonic signals with frequency f, phase-shifted by 90 degrees around each other, and then summed up, at the same time produced pair signals with expanded spectrum prior to summation are multiplied by signals of meander type with period T=1/f , having a phase shift of 90 degrees relative to each other, and then summed.EFFECT: possibility of quadrature generation of a broadband phase-manipulated radio signals of high frequency in digital form without necessity to calculate values of trigonometric functions. |
