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dmt's Introduction

dmt

GitHub CI codecov Python Version from PEP 621 TOML C++ Version License

Dispersion Measure Transforms

Installation

Using pip:

pip install -U git+https://github.com/pravirkr/dmt

Usage

from dmtlib import FDMTCPU

frb = np.ones((nchans, nsamps), dtype=np.float32)
thefdmt = FDMTCPU(f_min, f_max, nchans, nsamps, tsamp, dt_max=dt_max, dt_min=0, dt_step=1)
dmt_transform = thefdmt.execute(frb.astype(np.float32))

Benchmarks

f_min = 704.0, f_max = 1216.0, nchans = 4096, tsamp = 0.00008192, dt_max = 2048, nsamps = n;
nthreads = 1, 8;

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dmt's Issues

Choice of dispersion delay constant

The dispersion delay constant of 4.148808e3 differs from the pulsar standard of 1.0 / 2.41e-4, which will result in slightly different DM estimates

clang openmp not compiling

Most likely, this is because Clang does not support structured bindings within the OpenMP region in the function execute_iter.

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