1 - Pravin Shetty > Resume
... 8. One of the principal reasons for modulation of analog data to analog signals is to permit frequency division multiplexing. Reflect on this. Frequency division multiplexing (fdm), unlike tdm, transmits and receives for the full 360 degrees of a sine wave. Fdm used presently by the Navy may be div ...
... 8. One of the principal reasons for modulation of analog data to analog signals is to permit frequency division multiplexing. Reflect on this. Frequency division multiplexing (fdm), unlike tdm, transmits and receives for the full 360 degrees of a sine wave. Fdm used presently by the Navy may be div ...
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... [2] CIGRE Task Force 15/33.03.05, “Partial discharge detection system for GIS: sensitivity verification for the UHF method and the acoustic method”, ÉLECTRA No. 183, pp. 74-87, 1999 ...
... [2] CIGRE Task Force 15/33.03.05, “Partial discharge detection system for GIS: sensitivity verification for the UHF method and the acoustic method”, ÉLECTRA No. 183, pp. 74-87, 1999 ...
Multifrequency bio-impedance measurement: undersampling
... and analyzed by MATLAB simulation for further implementations on some real DSP-platform. In the simulated example, the 1 Hz EBI variation and 15,059 ks/s sampling rate in the case of 4 kHz and 64 kHz carriers were used. 1. INTRODUCTION Bio-impedance measurement is an important field of physiological ...
... and analyzed by MATLAB simulation for further implementations on some real DSP-platform. In the simulated example, the 1 Hz EBI variation and 15,059 ks/s sampling rate in the case of 4 kHz and 64 kHz carriers were used. 1. INTRODUCTION Bio-impedance measurement is an important field of physiological ...
signal level - California State University, Long Beach
... Some systems use voltage to represent digital values: • Make a positive voltage correspond to a logical one • zero voltage correspond to a logical zero For example, +5 volts can be used for a logical one and 0 volts for a logical zero If only two levels of voltage are used, each level corresponds to ...
... Some systems use voltage to represent digital values: • Make a positive voltage correspond to a logical one • zero voltage correspond to a logical zero For example, +5 volts can be used for a logical one and 0 volts for a logical zero If only two levels of voltage are used, each level corresponds to ...
Spectral analysis of a PWM signal
... Many microcontrollers have built-in timer peripherals that are able to output a pulse-width modulated (PWM) signal. This text uses Fourier series analysis for studying the frequency spectrum of such a signal, focusing on how the harmonics content changes with variations in duty cycle. The PWM wavefo ...
... Many microcontrollers have built-in timer peripherals that are able to output a pulse-width modulated (PWM) signal. This text uses Fourier series analysis for studying the frequency spectrum of such a signal, focusing on how the harmonics content changes with variations in duty cycle. The PWM wavefo ...
335-project2 - UTK-EECS
... Apply a 0.5 V peak-peak, 10 kHz sine wave to the amplifier input and measure the voltage gain with the power supply at + 15 V DC. Gain = __________________ ...
... Apply a 0.5 V peak-peak, 10 kHz sine wave to the amplifier input and measure the voltage gain with the power supply at + 15 V DC. Gain = __________________ ...
Lab 1: AMPLITUDE MODULATION
... Generate an AM signal using the speech signal available from the Trunks Panel as your message. Observe the time domain waveform. The frequency spectrum will extend for about 3 kHz either side of the carrier. Since this is a stochastic (random) signal, the spectrum analyser may not give you much resp ...
... Generate an AM signal using the speech signal available from the Trunks Panel as your message. Observe the time domain waveform. The frequency spectrum will extend for about 3 kHz either side of the carrier. Since this is a stochastic (random) signal, the spectrum analyser may not give you much resp ...
PRELAB 12: ACTIVE FILTERS
... A low-pass filter has a constant gain (=Vout/Vin) from 0 Hz to a high cut off frequency fH. This cut off frequency is defined as the frequency where the voltage gain is reduced to 0.707, that is at fH the gain is down by 3 dB; after that (f > fH) it decreases as f increases. The frequencies between ...
... A low-pass filter has a constant gain (=Vout/Vin) from 0 Hz to a high cut off frequency fH. This cut off frequency is defined as the frequency where the voltage gain is reduced to 0.707, that is at fH the gain is down by 3 dB; after that (f > fH) it decreases as f increases. The frequencies between ...
Medical Instrumentation Application Lecture #1
... Oxidation: Ions that lose their electrons Reduction: Ions that gain new electrons ...
... Oxidation: Ions that lose their electrons Reduction: Ions that gain new electrons ...
Experiment 3 - Department of Electrical and Electronics Engineering
... receiving equipment to select the broadcast or receiving frequency use them Modern communications would be impossible without the use of resonant circuits Resonant circuits consist of inductance and capacitance. The Series Tuned Circuits If a series resonant circuit is wired into the circuit as seen ...
... receiving equipment to select the broadcast or receiving frequency use them Modern communications would be impossible without the use of resonant circuits Resonant circuits consist of inductance and capacitance. The Series Tuned Circuits If a series resonant circuit is wired into the circuit as seen ...
RC Circuits, High-pass and Low-pass
... d) Results/ Discussion: A band pass filter passes signals within a certain "band" or "range" of frequencies without messing up the input signal. This band of frequencies can be any width and is commonly known as the filter’s Bandwidth. Bandwidth is defined as the frequency range between two specifie ...
... d) Results/ Discussion: A band pass filter passes signals within a certain "band" or "range" of frequencies without messing up the input signal. This band of frequencies can be any width and is commonly known as the filter’s Bandwidth. Bandwidth is defined as the frequency range between two specifie ...
View Poster
... frequency. The musical frequencies we are targeting exist between 20Hz and 1.2kHz, so up to 2,400 switches per second are required. To accomplish this we use a power transistor, a device designed to switch large power loads at high frequency. Supply and coil Input ...
... frequency. The musical frequencies we are targeting exist between 20Hz and 1.2kHz, so up to 2,400 switches per second are required. To accomplish this we use a power transistor, a device designed to switch large power loads at high frequency. Supply and coil Input ...
To do symbolic processing with MATLAB you have to create the
... Amplitude Output Calculated Measured ...
... Amplitude Output Calculated Measured ...
(minimum-delay or zero
... Calibration of Digitizers Digitizers normally don’t need to be calibrated if the manufacturer’s specifications are clear and complete. You may want to check the scale factor, normally in microvolts per count, by connecting a battery and a digital voltmeter to the input. Forget about the filter coef ...
... Calibration of Digitizers Digitizers normally don’t need to be calibrated if the manufacturer’s specifications are clear and complete. You may want to check the scale factor, normally in microvolts per count, by connecting a battery and a digital voltmeter to the input. Forget about the filter coef ...
Lab 11: Relaxation oscillators (version 1.5)
... data points total). Measure the oscillator output frequency on pin 6 using a calibrated scope probe and the standalone oscilloscope (do not use the Elvis scope). Be sure to have the scope on DC coupling. Record the square wave oscillation frequency for the various R3C time constants. It is a ...
... data points total). Measure the oscillator output frequency on pin 6 using a calibrated scope probe and the standalone oscilloscope (do not use the Elvis scope). Be sure to have the scope on DC coupling. Record the square wave oscillation frequency for the various R3C time constants. It is a ...
Heterodyne
Heterodyning is a radio signal processing technique invented in 1901 by Canadian inventor-engineer Reginald Fessenden, in which new frequencies are created by combining or mixing two frequencies. Heterodyning is used to shift one frequency range into another, new one, and is also involved in the processes of modulation and demodulation. The two frequencies are combined in a nonlinear signal-processing device such as a vacuum tube, transistor, or diode, usually called a mixer. In the most common application, two signals at frequencies f1 and f2 are mixed, creating two new signals, one at the sum f1 + f2 of the two frequencies, and the other at the difference f1 − f2. These new frequencies are called heterodynes. Typically only one of the new frequencies is desired, and the other signal is filtered out of the output of the mixer. Heterodynes are related to the phenomenon of ""beats"" in acoustics.A major application of the heterodyne process is in the superheterodyne radio receiver circuit, which is used in virtually all modern radio receivers.