Ewan D. Barr edited considerations.tex  over 8 years ago

Commit id: dfce46c028cb0d62229e92553958cb0da0ffa7e8

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\begin{itemize}  \item \textbf{SKA1-SYS\_REQ-XXXX:} \textit{\bf SKA1\_Mid Pulsar Timing incoherent dedispersion DM limits.} The SKA1\_Mid when in pulsar timing mode shall time pulsars using incoherent dedispersion up to a dispersion measure defined by ${\rm DM} = t_{\rm res}(4.15\times10^3 (\nu^{-2} - (\nu+1/t_{\rm (\nu+10^6/t_{\rm  res})^{-2}) )^{-1}$ pc cm$^{-3}$, with a maximum of 100,000 pc cm$^{-3}$, where the frequency ($\nu$ MHz) is defined as the top of the current observing band and the time resolution ($t_{\rm res}$ seconds) is defined by SKA1-SYS\_REQ-2961. \item \textbf{SKA1-SYS\_REQ-XXXX:} \textit{\bf SKA1\_Low Pulsar Timing incoherent dedispersion DM limits.} The SKA1\_Low when in pulsar timing mode shall time pulsars using incoherent dedispersion up to a dispersion measure defined by ${\rm DM} = t_{\rm res}(4.15\times10^3 (\nu^{-2} - (\nu+1/t_{\rm (\nu+10^6/t_{\rm  res})^{-2}) )^{-1}$ pc cm$^{-3}$, with a maximum of 100,000 pc cm$^{-3}$, where the frequency ($\nu$ MHz) is defined as the bottom of the current observing band and the time resolution ($t_{\rm res}$ seconds) is defined by SKA1-SYS\_REQ-2962. \end{itemize}