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This document highlights the CBS (Coordinated Burst Signal) calculations related to the Solar Probe Plus mission, with a focus on the FIELDS instrument. It outlines the function H(x), which defines the unit step function, and details the trigger function parameters including TBLi, wji, and THRESHji. The internal arithmetic is performed with 16-bit unsigned accuracy, ensuring precise outputs for data analysis. Such calculations are crucial for understanding solar phenomena and enhance the mission's data quality.
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Solar Probe Plus FIELDS Coordinated Burst Signal Peter R. Harvey Oct 25, 2013
CBS Calculations Notes: [1] H(x) stands for the unit step function, with H(x) = 0 for x<=0 and H(x) = 1 if x >0. [2] TBLiis the i-th element of the trigger function data table. [3] wjiand THRESHji are 8-bit unsigned bytes that are the weighting factors and thresholds for the i-th element of the data table for the j-th trigger function. [4] Internal arithmetic in each function is performed with 16-bit (unsigned) accuracy, with the 8-bit unsigned MSB of the result becoming the functions output.