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User:حبیب خادمیان/Works

Coordinates: 35°41′46″N 51°25′23″E / 35.69611°N 51.42306°E / 35.69611; 51.42306
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[[File:IRA-1b-Imperial Bank of Persia-One Toman (1906).jpg|thumb|right|450px|OriginalImperial Bank of Persia, One Toman (1906), depicting [[Naser al-Din Shah File:Habibkhademiyan2.gif

Top: Input signal as a function of time, Middle: Output signal as a function of time. Bottom: resulting Lissajous curve when output is plotted as a function of the input. In this particular example, because the output is 90 degrees out of phase from the input, the Lissajous curve is a circle.

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Tehran
تهران
کلانشهر تهران · Tehran Metropolis
Milad Tower seen from Qarb Town
[[File:|The Azadi Tower|132px]]
[[File:|Shemiran|132px]]
Ferdows Garden
Ab-o-Atash Park
Golestan Palace
Mount Tochal seen from Modarres Expressway
Official seal of Tehran
Tehran is located in Iran
Tehran
Tehran
Coordinates: 35°41′46″N 51°25′23″E / 35.69611°N 51.42306°E / 35.69611; 51.42306
Country Iran
ProvinceTehran
CountyTehran
Shemiranat
Bakhsh (District)Central
Government
 • MayorMohammad Bagher Ghalibaf
 • City CouncilChairman: Mehdi Chamran
Area
 • Urban
617.73 km2 (238.51 sq mi)
 [1]
Elevation
900 to 1,830 [2] m (2,952 to 6,003 ft)
Population
 (2015)
 • Density12,896/km2 (33,400/sq mi)
 • Urban
8,846,782[3]
 • Metro
15,232,564[3]
 • Population Rank in Iran
1st
 Population Data from 2015 Census and Statistical Centre of Iran Metro area figure refers to Tehran Province.
DemonymTehrani (en)
Time zoneUTC+03:30 (IRST)
 • Summer (DST)UTC+04:30 (IRDT)
Area code021
Websitewww.tehran.ir
  1. ^ [2]
  2. ^ [3]
  3. ^ a b جمعیت و خانوار شهرستان‌های کشور براساس سرشماری عمومی نفوس و مسکن 1390 (in Persian). Statistical Center of Iran. Retrieved 23 January 2015.