Advertisements
Advertisements
प्रश्न
Answer briefly.
What is meant by noise?
टिप्पणी लिखिए
उत्तर
- A random unwanted signal is called noise.
- The source generating the noise may be located inside or outside the system.
- Efforts should be made to minimize the noise level in a communication system.
shaalaa.com
Introduction to Communication System
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Electromagnetic Waves and Communication System - Exercises [पृष्ठ २४१]
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
The waves used by artificial satellites for communication purposes are
Answer briefly.
Name the three basic units of any communication system.
Answer briefly.
What is meant by bandwidth?
Answer briefly.
Explain the necessity of a carrier wave in communication.
Solve the numerical problem.
A transmitting antenna at the top of a tower has a height of 32 m and that of the receiving antenna is 50 m. What is the maximum distance between them for satisfactory communication in line of sight mode? The given radius of Earth is 6.4 × 106 m.
Which of the following device is an example of point-to-point communication mode?
