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

Commit id: 92d5142699fe3591f50784731fa3c555d300d161

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\begin{itemize}  \item \textbf{SKA1-SYS\_REQ-XXXX:} \textit{\bf SKA1\_Mid Pulsar Timing DM limits.} The SKA1\_Mid when in pulsar timing mode shall perform coherent dedispersion out to a dispersion measure defined by:\\  $\log_{10}{\rm DM}= \frac{1}{2.14}(-0.154 + \sqrt{0.0247 + 4.28(13.46+3.86\log_{10}{\nu}+\log_{10}{t_{\rm res}})}$,\\ where the frequency ($\nu$) is defined as the top of the current observing band and the time resolution ($t_{\rm res}$) is defined by SKA1-SYS\_REQ-2961.  .  \item \textbf{SKA1-SYS\_REQ-XXXX:} \textit{\bf SKA1\_Low Pulsar Timing resolution.} The SKA1\_Mid when in pulsar timing mode shall perform coherent dedispersion out to a dispersion measure defined by:\\  $\log_{10}{\rm DM}= \frac{1}{2.14}(-0.154 + \sqrt{0.0247 + 4.28(13.46+3.86\log_{10}{\nu}+\log_{10}{t_{\rm res}})}$,\\  where the frequency ($\nu$) is defined as the centre of the given coarse frequency channel and the time resolution ($t_{\rm res}$) is defined by SKA1-SYS\_REQ-2962.