Bandwidth in Wideband Collector
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I am trying to use Phased Array Toolbox to simulate a wideband antenna array. I know the bandwidth I want the array to receive signals across, but I don't see anywhere in the documentation that allows me to specify the bandwidth. How does a "wideband" collector in Phased Array Toolbox define what bandwidth is "wideband"?
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Honglei Chen
le 14 Jan 2015
The bandwidth in this case is derived from sample rate. When you specify a carrier frequency, fc, and a sample rate, fs, the bandwidth is considered as [fc-fs/2 fc+fs/2]. This bandwidth is then divided into subbands (number of subbands depends on the data length but is at least 128) to do the processing. Does this addresses your concern? Please let me know if you need further clarifications.
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Honglei Chen
le 14 Jan 2015
Currently no. Could you elaborate a little more how you want to define subbands? For example, I'll be curious to know if you only want to specify number of bands or you want to specify the bands itself. And if the latter, is it because you want to handpick certain bands? And will each subband have the same width? Thanks!
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