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Add networks unit 5: signals and modulation with quiz.

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Co-authored-by: Cursor <cursoragent@cursor.com>
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pepaskopec-blip 2026-09-11 18:02:48 +02:00
commit 8ac39d180b
4 changed files with 209 additions and 2 deletions
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20
i18n.c
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@ -217,6 +217,12 @@ const TrEntry tr_ui[] = {
"4 slides about transmission and security, then a quiz."},
{"net_ex4_title", "Kvíz: přenos dat a zabezpečení",
"Quiz: data transmission and security"},
{"net_unit5", "Signály a modulace",
"Signals and modulation"},
{"net_unit5_sub", "4 snímky o signálech a modulaci a pak kvíz.",
"4 slides about signals and modulation, then a quiz."},
{"net_ex5_title", "Kvíz: signály a modulace",
"Quiz: signals and modulation"},
{"net_slide_next", "Další", "Next"},
{"net_slide_prev", "Zpět", "Back"},
{"net_slide_start", "Přejít na cvičení", "Go to the exercise"},
@ -301,6 +307,20 @@ const TrEntry tr_content[] = {
"Sum of characters treated as binary numbers"},
{"Nejbezpečnější – počítá se z jednotlivých bitů v bloku", NULL,
"Most secure – computed from individual bits in the block"},
{"Analogový je spojitý, digitální má diskrétní hodnoty 0 a 1", NULL,
"Analog is continuous; digital has discrete 0 and 1 values"},
{"Frekvence f = 1/T, kde T je perioda", NULL,
"Frequency f = 1/T, where T is the period"},
{"AM mění amplitudu, FM frekvenci, PM fázi", NULL,
"AM changes amplitude, FM frequency, PM phase"},
{"QPSK nese 2 bity v prvku, 256-QAM nese 8 bitů", NULL,
"QPSK carries 2 bits per symbol, 256-QAM carries 8 bits"},
{"Modulační rychlost = počet změn signálu za sekundu [Bd/s]", NULL,
"Modulation rate = number of signal changes per second [Bd/s]"},
{"Přenosová rychlost = množství informace za sekundu [bit/s]", NULL,
"Bit rate = amount of information per second [bit/s]"},
{"Šířka pásma určuje maximální možnou přenosovou rychlost", NULL,
"Bandwidth determines the maximum possible bit rate"},
{"čtrnáct", NULL, "fourteen"},
{"sedmnáct", NULL, "seventeen"},
{"dvacet", NULL, "twenty"},