摘要:
Device comprising processing means (MT), transmission channels (VE1, . . . VEn), an antenna array for transmitting signals comprising a number of antennas (A11 . . . A1n) respectively associated with the transmission channels, a number of digital-analog converters (DAC) and a number of phase-shifting means (MD1, . . . MDn) respectively associated with the antennas, said phase-shifting means (MD1, . . . MDn) being placed between the processing means (MT) and the digital-analog converters (DAC) and including digital all-pass filters of FIR type (PT), the processing means comprising control means (MC) configured to adjust the coefficients and/or the order of the all-pass filters of FIR type.
摘要:
Device comprising processing means (MT), transmission channels (VE1, . . . VEn), an antenna array for transmitting signals comprising a number of antennas (A11 . . . A1n) respectively associated with the transmission channels, a number of digital-analogue converters (DAC) and a number of phase-shifting means (MD1, . . . MDn) respectively associated with the antennas, said phase-shifting means (MD1, . . . MDn) being placed between the processing means (MT) and the digital-analogue converters (DAC) and including digital all-pass filters of FIR type (PT), the processing means comprising control means (MC) configured to adjust the coefficients and/or the order of the all-pass filters of FIR type.
摘要:
Transmission/reception device for signals having a wavelength of the microwaves, millimeter or terahertz type, comprising an antenna array. The antenna array comprises a first group of first omni-directional antennas and a second group of second directional antennas disposed around the first group of antennas.
摘要:
Transmission/reception device for signals having a wavelength of the microwaves, millimeter or terahertz type, comprising an antenna array. The antenna array comprises a first group of first omni-directional antennas and a second group of second directional antennas disposed around the first group of antennas.