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q interpretation and analysis using remote sensinginterpretation and analysis using remote sensing various characteristics of a river can be
q define the spectral resolution of satellitespectral resolution the sensitivity to different features of earth is the most important aspects
q show the process for taking observations by satellitesensors are devices to make observations which have sophisticated mechanism for taking
q show the amenability to computer processingdue to the digital data collected and stored in the form of a matrix the same becomes amenable to
q what do you mean by inaccessible area coveragemarshy lands hilly areas etc where ground surveys could be very difficult remote sensing technique
q explain repetitive coverage of satellitedue to repeated passes of the satellite over the same reach data is repeatedly acquired therefore
define multiple inputs - control systemwhen there is much more than one input to a system the superposition principle can be employed this is thatthe
a system contains an amplifier with a gain of 10 offering the armature voltage for a motor which provides an output speed which is proportional to
explain open loop control systemsin an open-loop control system the controller independently computes exact voltage or current required by the
explain inverse discrete-time fourier transform1 observe the same things among this formula and the inverse analogue fourier transform the 12pi
define gain and phase responsesexpressing hej in polar form as h ej g e jphig is the gain of the discrete-time system and phi is the phase
define the term causality lti systemany practical lti system operating in real time must be causal which means that its impulse response hn must
draw the implementation of time-invariant systema linear time-invariant system is described by the difference equationyn 2xn - 3xn - 1 2xn - 2
what are difference equationsa continuous-time system can be described by differential equations likewise a discrete-time system can be explained by
define time and shift invarianttime and shift invariant means that the system characteristics and shift do not change with time ie the system output
define characteristics of discrete time systems - lineara discrete-time system is said to be linear if it obeys the principles of superposition that
a 3-phase wye-connected 118 kv 100 mva turbo- generator of 08 power factor lagging has a synchronous reactance of 20 pu on rating the generator is
a 3-phase wye-connected 11 kv 1375 mva turbo-alternator of 08 power factor lagging has a synchronous reactance xs 14 omega assume the machine to be
a 3-phase 16-pole synchronous machine is driven by a prime mover at a speed of 600-rpm with the stator open circuited the rotor flux per pole is
explain the construction of synchronous machinesbasically all synchronous machines require a dc excited field winding in order to produce magnetic
explain the synchronous machinesa synchronous machine unlike an induction or asynchronous machine only develops torque at a fixed so called
calculate the maximum power that transmitted to the loada 25 mw load at the 33 kv receiving-end busbar of a short 3-phase transmission line has a
a 150 km long 3-phase 400 kv overhead line is used to transmit 1800 mw to a distribution area at 09 power factor lagging the line parameters per
explain the power transmission linestransmission and distribution of electric power is accomplished by using overhead lines or underground cables
explain information obtained for the load flow analysisi magnitude and phase angle of the voltage at each busii active and reactive power