find the fourier transform of the rectangular pulse obtain the Fourier transform of a rectangular pulse (gate function) shown in figure ? Fourier Transform (FT) Fourier Transform (FT) fourier transform provides effective reversible link frequency domain and time domain representation of the signal. non-periodic signals can be represented with the help of fourier transform. Periodic… Continue reading »
Properties of the Continuous time Fourier Transform Fourier Transform of a Periodic Signal ? Fourier Transform of a Periodic Signal let the signal x(t) be periodic with period to. such signal can be expressed by exponential fourier series as x(t) = x(k) ejkt [here, = 2/to] where, x(k) = 1/t x(t) e-jkt dt taking fourier… Continue reading »
Example 7. consider LTI system initially at rest described by the difference equation y[n] – ay [n – 1] = x[n], |a| < 1 find the impulse response of this system. Sol. the frequency response of the system is H(ejo) = 1/1 – ae-jo we can use the inverse fourier transform to get the impulse… Continue reading »
fourier series can be found for solved examples important questions and solutions , fourier series is used to solve which types of question or problems can be solve ? Fourier Series – Fourier Series joseph fourier developed the theory for the study of their sinusoidal representation. named after him as fourier analysis, it is extensively… Continue reading »
The Relationship between the Laplace, the Fourier and the z-Transform difference , relationship between laplace fourier and z transform ? Z-Transform z-transform The z-transform is the discrete time counter-part of the laplace transform. infact, it can be shown to be the laplace transform of the discretiesd version of a continuous time signal x(t). in the… Continue reading »
find the laplace transform of e at u(t) and its roc or laplace transform of e^at u(t) ? Laplace Transform Laplace Transform The beatuy of the laplace transform for solving differential equations is that it is a simple and systematic method which provides the total solution in one stroke by taking into account the initial… Continue reading »
how to check time invariant and time variant systems examples | difference between time invariant and time variant system ? Systems Systems A systems is a set of elements of functional blocks that are connected together and produce an output in response to an input signal. Classification Continuous time (CT) Discrete time (DT) Continuous as… Continue reading »
the impulse response of discrete time signal is given by h n =u n+3 example . how to find impulse response of a discrete time lti system examples ? Response of a Discrete Time LTI System and Convolution sum Impulse Response The impulse response (or unit sample response) h[n] of a discrete time LTI system… Continue reading »
what are energy and power signals in signals and systems example , energy signal and power signals ? examples definition and meaning solved examples ? Signals and Systems Signals Signal A signal is a single valued function of one or more variables that conveys some information. Signals are represented mathematically as functions of one or… Continue reading »
Common Data/Linked Answer Questions Statement for Linked Answer Questions 1 and 2 Branch current and loop current relation and expressed in matrix form below where II represents branch current and IK loop current. The rank of incidence matrix is (a) 4 (b) 5 (c) 6 (d) 8 The directed graph will be Statement for Linked… Continue reading »