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What is multichannel and multidimensional signal?
Multichannel Signals. Signals which are generated by multiple sources or multiple sensors are called Multichannel signals. These signals are represented by vector.S(t) = [(S1(t) S2(t) S3 (t)]Above signal represents a 3-channel signal. In electrocardiography, 3-lead and 12-lead electrocardiograph is often used in practice, which results in 3-channel and 12-channel signals, respectively.Multidimensional Signal. A signal is called multidimensional signal if it is a function of M independent variables. For example : Speech signal is a one dimensional signal because amplitude of signal depends upon single independent variable, namely, time. TV Picture Signal : A B/W picture signal is an example of 2-dimensional signal because brightness of the signal at each point is a function of two spatial independent variable, namely, x and y. Variables x and y are width and height of the picture element.A colored picture signal is an example of 3-dimensional signal because brightness of the signal at each point is a function of three independent variables, namely, x, y and time (t).-------Arif, RUET.
What is difference between a coherent detector and envelop detector?
What the difference between envelop and coherent detection of AM signals
What is the difference between television signals now and then?
now they are better now they are better
What is the difference between an electical engineer and an electronic engineer?
Power vs Signals
How does differential pulse code modulation lower the bit rate of transmitted signals?
It signals the difference between successive sample sizes
What difference between copper cable and optical cable?
A copper cable transports electrical signals. An optical cable transports light signals.
The device that reconciles the difference between computers and phones is the a.TcpIp b.LAN c.Wand reader d.Modem?
d. Modem It modulates digital signals to analogue signals and demodulates analogue signals back to digital signals.
What is the difference between satellite tv service and cable Don't they all receive there signals from a satellite?
The difference between satellite tv service and cable is satellite tv offers more channels and are more expenisve. No, they don't receive their signals from a satellite.
Difference between inband and out of band signaling?
In in- bandsignalling , the control and management signals travles along with the data signals where as in out of band signalling the data and control signals travels in different channels
What is phase difference?
A phase difference between two periodic signals is the time difference between two corresponding points on each signal. This time difference is usually measured in degrees or radians, but can be given as a unit of time as well.
What is multi dimensional signal?
A multidimensional signal refers to a signal that varies across more than one dimension, such as time, space, or frequency. Common examples include images (2D signals) and video (3D signals), where information is represented in two or three dimensions, respectively. These signals can be analyzed and processed using techniques from fields like image processing, audio signal processing, and communication systems to extract meaningful information or enhance quality. Multidimensional signals often require specialized algorithms and methods due to their complex structure compared to one-dimensional signals.
What is the basic difference between analog and digital system?
analog signals are continuous but digital signals are discreet. Digital signals have only binary value like zero(off state) or one(on state).
