This approach assumes that BP and MCAv time-series are stationary signals composed of sinusoidals.

the anchorages of the Brooklyn Bridge

When this fair Traveller, with heat opprest, And the days Toyls, here laid him down to rest Where the soft Grass, and the thick Trees, displaid A flowry Couch, and a cool Arbour made About him round the grassy spires (in hope To gain a kisse) their verdant heads perk’d up.

to assuage the sorrows of a desolate old man