Radio Telescope.

1. A
PRESENTATION
ON
RADIO TELESCOPE
by
BIPLAB DAS
Roll No : 24
ECE 1
ACADEMY OF TECHNOLOGY

2. Radio Telescope Basics :
What does Radio Telescope do ???
Planet Observation…
Detect Sun Spots…
Seeing Between Stars…
Observing Energetic Objects…
History behind the Radio Telescope !!!
o Karl Jansky ,a Radio Engineer first discovered radio waves in August 1931…

3. Parabolic Dish
Receiver
Amplifier
Recorder

4. Light rays from a distant source,
parallel to the "mirror axis" all
meet at one point, the focus.
 Position Of The Sub-Reflector
CCD

5. How do Radio Telescopes work?
press downtelescopes work like this
Press radio arrow to view animation
Some up arrow to reset animation
Other radio telescopes work like this

6. Once you get the raw signal from the antenna…

7. Make Your Own Radio Image

8. +++++++++++
Advantages of radio telescopes
They can see the other side of the Milky Way.
They work day or night.
They can see much further distance objects compared to
optical telescope.
They are relatively simple technology.

9. Disadvantages of radio telescopes.
They have to be very very big.
They are expensive to build and maintain.
 The electronics need to be super cooled to increase
precision.

10. CONCLUSION :
Work together as a complementary couple :

12. Any Queries ?