Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. Explain Source encoding or data compression?
The sequence of binary digits from the source encoder, known as the information sequence, is passed on to the channel encoder. The purpose of the channel encoder is to introduce some redundancy in a controlled manner in the binary information sequence, so that the redundancy can be used at the receiver to overcome the effects of noise and interference encountered in the transmission of the signal through the channel. Thus, redundancy in the information sequence helps the receiver in decoding the desired information sequence, thereby increasing the reliability of the received data and improving the fidelity of the received signal.
The binary sequence at the output of the channel encoder is passed on to the digitalmodulator, which functions as the interface to the communication channel. The primary purpose of the digital modulator is to map the binary information sequence into signal waveforms, since nearly all the communication channels used in practice are capable of transmitting electric signals (waveforms). Because themessage has only two amplitudes in a binary system, themodulation process is known as keying. In amplitude-shift keying (ASK), a carrier's amplitude is shifted or keyed between two levels. Phase-shift keying (PSK) involves keying between two phase angles of the carrier,whereas frequency-shift keying (FSK) consists of shifting a carrier's frequency between two values.Many other forms of modulation are also possible.
Rectifiers As discussed above the purpose of the rectifier is to convert the incoming ac from a transformer or other ac source to some form of pulsating dc. That it i
What is Inductance Inductance - the property of an electric circuit by which an electromotive force is induced in it as the result of altering magnetic flux. Electromagn
Problem : a) What is an "Embedded System"? Discuss the characteristics of Embedded Systems. b) Describe three downfalls of "Embedded Systems". c) Explain the difference b
what is the function of CBW in the microprocessor
with a simple circuit,explain the construction of Direct Reading Probe of a cathode ray oscilloscope
Q. A signal with bandwidth of 100 MHz is to be transmitted 40 km by LOS radio transmission. Taking B/fc = 1/30, and using a circular-aperture parabolic dish with 50-cm radius at ea
Show that the infiltration volume estimated using Horton's infiltration equation between times t1 and t2 is given by; F =f c (t 2 -t 1 )+(f 1 -f c )(1-e -k(t2-t1) )/k Use the
With respect to serial communication define the half duplex. Half Duplex Transmission: A channel of half duplex can send and receive, but not at same time. It's like a one-la
The assignment is to plan, design and write a PLC program on the FX Training Software using a PART SUPPLY CONTROL SYSTEM based on the requirement specification outlined be
Classify the conducting materials. Conducting materials are classified by low resistivity materials and high resistivity materials. Low resistivity materials: The conduct
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd