What does "FM" found on radio receivers stand for?

Amplitude Modulation
Frequency Modulation
Fast Modulation
Microwaves
In telecom­mu­ni­ca­tions and signal pro­cess­ing, fre­quen­cy mod­u­la­tion (FM) is the encoding of in­for­ma­tion in a carrier wave by varying the in­stan­ta­neous fre­quen­cy of the wave.

Answers distribution

Amplitude Modulation
Frequency Modulation
Fast Modulation
Microwaves
answers
flagSouth Africa
0%
92%
7%
0%
13
flagAustralia
0%
92%
0%
7%
13
flagIndia
4%
88%
1%
4%
124
flagCanada
0%
87%
0%
12%
24
flagthe Philippines
12%
87%
0%
0%
16
flagthe United States
1%
83%
6%
6%
209
flagMalaysia
0%
81%
9%
0%
11
flagthe Netherlands
2%
64%
10%
18%
37
flagSpain
0%
63%
9%
27%
11
flagSwitzerland
19%
61%
4%
14%
21
flagthe United Kingdom
4%
59%
11%
24%
285
flagDenmark
0%
58%
8%
25%
12
flagFrance
0%
54%
18%
22%
22
flagItaly
6%
53%
0%
40%
15
flagNorway
4%
52%
8%
32%
25
flagSweden
0%
50%
20%
30%
10
flagPoland
3%
43%
19%
31%
10216
flagGermany
4%
43%
17%
31%
90
flagUnknown
3%
28%
24%
43%
851
flagRepublic of Ireland
0%
27%
22%
50%
22

Gender

men34%
women36%
Amplitude Modulation
3%
2%
Frequency Modulation
34%
36%
Fast Modulation
20%
20%
Microwaves
40%
40%

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What does "FM" found on radio receivers stand for?
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Author: Paweł Kołodziejczyk
Illustration: Joe Haupt
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