Thank you very much dan. cheers, Wang
在2022年11月26日星期六 UTC+8 12:31:58<danseti> 写道： > > > hi wang, > > i can only answer two of your questions: > > 1) > the "corner turner" is also called a "data re-order" or a "matrix > transpose". > it's job is to change antenna ordered data to frequency ordered data. > > 2) > "miriad" is an open source data reduction software package for radio > antenna arrays. > e.g. it does post processing convert the data from a correlator into a > spectral image. > > best wishes, > > dan > > > On Fri, Nov 25, 2022 at 9:37 AM Wang <[email protected]> wrote: > >> Hi all， >> >> I am studying the design of PAPER Correlator. >> PAPER Correlator Netcfg - Casper (berkeley.edu) >> <https://casper.astro.berkeley.edu/wiki/PAPER_Correlator_Netcfg> >> There are some questions about Corner Turner Mode(CTMODE) and MIRIAD >> Channel Mapping. >> >> 8 F engines(CTMODE):The 256 inputs by 1024 channels are presented to the >> X engines as exactly that. >> 4 F engines(CTMODE):The 128 inputs by 1024 channels are presented to the >> X engines as 256 inputs by 512 channels. >> ······ >> I know that each F engine has 32 inputs, so 8 for 256 and 4 for 128. >> But in 'X engine' I don't understand the relationship between input and >> channel. >> >> And，I have a silly question, why is 'Corner Turner' called that? >> >> The last part is "MIRIAD Channel Mapping". >> I don't understand the meaning of the abbreviation (if it is an >> abbreviation). >> Can I get this part by typing the command line? >> >> I'd appreciate it if someone could help me with that! >> >> BW！ >> Wang >> >> >> >> >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "[email protected]" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/966891fe-31ae-4280-a4e4-18a71f94a12cn%40lists.berkeley.edu >> >> <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/966891fe-31ae-4280-a4e4-18a71f94a12cn%40lists.berkeley.edu?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/7a4e76ca-4962-4d78-af88-57be616364ccn%40lists.berkeley.edu.
