Rajeshwari (M.Tech) is the Technical Education Director at WebVidyalayam. She focuses on translating high-level systems engineering into accessible technology courses.
linear Convolution Theory:
Convolution is a mathematical way of combining the two signals to form a third signal. It is the only most vital technique in Digital Signal...
Theory:
Frequency analysis of discrete time signals is usually performed on digital signal processor, which may be general purpose digital computer or specially designed digital...
Importance Of Flow And Error Control:
The most important function of the data link layer is to provide flow control and error control mechanisms. In...
Ieee 802.3 Frame Format(Ethernet):
The ethernet frame format has seven filelds :preamble,start frame delimiter(SFD), destination address(DA),source address(SA),length or type,data, cyclic redundancy check(CRC). In ethernet their...
Wiener-Khinchin:
The Wiener-Khinchin theorem is a fundamental theorem useful for the stochastic processes. The Wiener-Khinchin theorem provides a simple relationship between time and frequency representations...
Sampling theorem:
Sampling theorem is used to convert analog signal into discrete time signal.it has applications in digital signal processing and digital communication. Sampling theorem...
Connecting Devices:
Based on high level, the connecting devices is classified into networking devices and internetworking devices. In this the repeaters are used in physical...
Z TRANSFORM
For discrete time linear time-invariant system with impulse response h, the response y of the system to a complex exponential input of the...
Comparision Of Various Switching Technniques:
Circuit SwitchingPacket SwitchingMessage SwitchingCircuit switching as a dedicated path transmission.Packet switching does not have any dedicated path transmission.Similar to packet...