BE has put a name on its new 50 kW AM transmitter, first reported here in July. The company will show its 4MX 50 AM transmitter at the NAB Radio Show. The model name refers to a Fourier Modulation (4M ...

Representation of signals: Fourier analysis, fast Fourier transforms, orthogonal expansions. Transformation of signals: linear filters, modulation; band-limited signals; sampling; uncertainty ...

IN NATURE of December 24, p. 965, Prof. E. W. Scripture discussed difficulties in applying Fourier analysis to recorded vowel curves, and he published two illustrations of the latter. The second of ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2022.210047 discusses spatiotemporal manipulation of femtosecond light pulses for on-chip devices. With the development of highly ...