Radioastronomical frequency for interstellar NH+
β Scribed by WILSON, I. D. L.; RICHARDS, W. G.
- Book ID
- 109708218
- Publisher
- Nature Publishing Group
- Year
- 1978
- Tongue
- English
- Weight
- 136 KB
- Volume
- 271
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/271137a0
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π SIMILAR VOLUMES
An FDTD near-to-far-field transformation technique using an efficient recursi¨e algorithm, the Goertzel algorithm, is proposed. This method is memory efficient, and is also time efficient if the number of obser¨ation frequencies is small. The method is applied to compute the radiation patterns of an
Pippard relations in terms of the frequency shifts of the m 7 (40 cm Γ1 ) lattice mode, are established here for the phases I and II in NH 4 I. The temperature-induced frequency shift, (1/m)(om/oT) P is calculated through the isobaric mode GrΓΌneisen parameter c P using the lattice parameter data at