An acoustooptic-phased-array antenna beamformer with N multiple simultaneous beam generation capability is experimentally demonstrated using a single channel acoustooptic device driven by a signal of frequency f/sub C/, and an acoustooptic device with N channels driven by signals with frequencies f/sub C/+f/sub 1/, . . ., f/sub C/+f/sub N/, respectively. f/sub 1/, . . ., f/sub n/, . . ., f/sub N/ control the carrier and phase values of the N independent beam generation signals, n being the beam number. Using f/sub C/=60 MHz, and N=2, 0-2 pi phase control is achieved using f/sub n/=0-460 kHz. A dynamic range of 54.5 dB at 1 MHz and carrier-to-noise of 113.4 dB/Hz at 1 MHz is measured for a 120 MHz carrier. One-dimensional transmit/receive antenna beam scanning can be provided by this system.
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机译：通过使用频率为f / sub C /的信号驱动的单通道声光器件，以及频率为f / sub的信号驱动的N通道的声光器件，通过实验证明了具有N个多重同时波束生成能力的声光相控阵天线波束形成器sub C / + f / sub 1 /，。 。 。，f / sub C / + f / sub N /。 f / sub 1 /，。 。 。，f / sub n /，。 。 f / sub N /控制N个独立波束生成信号的载波和相位值，n为波束数。使用f / sub C / = 60 MHz，并且N = 2，使用f / sub n / = 0-460 kHz可以实现0-2 pi相位控制。对于120 MHz载波，测得1 MHz下54.5 dB的动态范围和1 MHz下113.4 dB / Hz的载噪比。该系统可以提供一维发射/接收天线波束扫描。
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