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Haversine test signal

Czech translation: testovací signál ve tvaru čtverce sinu poloviny úhlu

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:Haversine test signal
Czech translation:testovací signál ve tvaru čtverce sinu poloviny úhlu
Entered by: Radovan Pletka

20:21 Sep 4, 2003
English to Czech translations [PRO]
Medical
English term or phrase: Haversine test signal
Haversine test signal
A set electrical signal used to test the electrical characteristics of pacemakers and other devices.
Jirina Nevosadova
Czech Republic
Local time: 11:44
testovací signál ve tvaru čtverce sinu poloviny úhlu
Explanation:
The sine sin(x) = sinh(i x) / i
The cosine cos(x) = cosh(i x)
The tangent tan(x) = sin(x) / cos(x)
The cotangent cot(x) = 1 / tan(x)
The secant sec(x) = 1 / cos(x)
The cosecant csc(x) = 1 / sin(x)
The versed sine versin(x) = 1 - cos(x)
The coversed sine coversin(x) = 1 - sin(x)
The haversed sine haversin(x) = (1 - cos(x)) / 2 = (sin(x / 2))^2

http://web.volny.cz/najdito/slovnik.php?dotaz=haversine&ok=n...
Selected response from:

Radovan Pletka
United States
Local time: 02:44
Grading comment
Thank you very much, Radovan. I found it on the net, too, but I could not understand it.
4 KudoZ points were awarded for this answer



Summary of answers provided
3 +1testovací signál ve tvaru čtverce sinu poloviny úhlu
Radovan Pletka


  

Answers


1 hr   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
testovací signál ve tvaru čtverce sinu poloviny úhlu


Explanation:
The sine sin(x) = sinh(i x) / i
The cosine cos(x) = cosh(i x)
The tangent tan(x) = sin(x) / cos(x)
The cotangent cot(x) = 1 / tan(x)
The secant sec(x) = 1 / cos(x)
The cosecant csc(x) = 1 / sin(x)
The versed sine versin(x) = 1 - cos(x)
The coversed sine coversin(x) = 1 - sin(x)
The haversed sine haversin(x) = (1 - cos(x)) / 2 = (sin(x / 2))^2

http://web.volny.cz/najdito/slovnik.php?dotaz=haversine&ok=n...


    Reference: http://web.volny.cz/najdito/slovnik
Radovan Pletka
United States
Local time: 02:44
Native speaker of: Czech
PRO pts in pair: 299
Grading comment
Thank you very much, Radovan. I found it on the net, too, but I could not understand it.

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