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The wattmeter is an instrument for measuring the electric power (or the supply rate of electrical energy) in watts of any given circuit.
An instrument which measures electrical energy in watt hours (electricity meter or energy analyser) is essentially a wattmeter which accumulates or averages...
Noise cancellation, or active noise control,
involves recording the single cycle of
a sound wave and transposing a wave with
the same amplitude but opposite polarity,
the anti-phase. The two waves will have the
same frequency but opposite phases. As the
waves interfere with one another they...
fft - Fast Fourier transform
Syntax
Y = fft(x)
Y = fft(X,n)
Y = fft(X,[],dim)
Y = fft(X,n,dim)
= fft(x) returns the discrete Fourier transform (DFT) of vector x, computed with a fast Fourier transform (FFT) algorithm.
If the input X is a matrix, Y = fft(X) returns the Fourier transform of...
Define the following variables and constants
x = position of the block
v = x' = velocity of the block
m = mass of the block
R = rest length of the spring
k = spring stiffness
b = damping constant (friction)
A spring generates a force proportional to how far it is...
The E-stop device interfaces to the machine actuators via the safety contacts of an E-stop circuit.
In addition to the description of an E-stop circuit and the general requirements as outlined in standards,
An approximate measurement of a battery’s ability to provide energy i.e it’s charge capacity, is it’s rating in ampere hours (Ah) or amp hours.
So a 100 Ah battery will produce 100 amps for 1 hour.
This capacity can be divided up any way you choose.
100 Ah could produce 1 amp for 100 hours...
in some magnetic materials, saturation is the state reached when an increase in applied external magnetizing field H cannot increase the magnetization of the material further, so the total magnetic field B levels off. It is a characteristic particularly of ferromagnetic materials, such as iron...
Re: What is Ceramic Resonator (ZTB 455E) & why its used in remote controllers for TV
A ceramic resonator is an electronic component that when combined with other appropriate components, can produce oscillations at a specific frequency. It consists of a voltage-variable capacitor that acts in...
Re: Is it safe to use electronic devices & accessories with portable Generator's outp
Well it is not usually safe because usually these appliances are on three phase where your generator output is mostly single phase. IF you think you have powerful generator with three phase output then surely...
Re: Classless Addressing
All IP addresses have a network and host portion. In classful addressing, the network portion ends on one of the separating dots in the address (on an octet boundary). Classless addressing uses a variable number of bits for the network and host portions of the address.
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