1. FDM - Noun
2. FDM - Proper noun
(electronics) Initialism of frequency-division multiplexing.
(food) Initialism of fat in dry matter: a measure of the fat content of cheese
(engineering) Initialism of fused deposition modeling: a type of additive manufacturing
(particle physics, quantum mechanics, astrophysics, cosmology) Abbreviation of fuzzy dark matter.
Coordinate terms: CDM, HDM, DM
FDM
(software) Initialism of Free Download Manager.
According to Evan Lieberman, the director of Film and Digital Media, FDM will be phasing out the media studies track and combining Digital Media with Film, and that will be called Film, Television and Interactive Media. Source: Internet
Frequency division multiplexing (FDM) allows an analog telephone wire to carry a baseband telephone call, concurrently as one or several carrier-modulated telephone calls. Source: Internet
Due to the shorter repeater spacings required by digital systems, long-distance still used FDM until the late 1970s when optical fiber was improved to the point that digital connections became the cheapest ones for all distances, short and long. Source: Internet
FDM achieves the combining of several signals into one medium by sending signals in several distinct frequency ranges over a single medium. Source: Internet
FDM was pioneered by telephone companies in the 1930s. Source: Internet
Frequency-division multiplexing (FDM) is inherently an analog technology. Source: Internet