Pulse amplitude modulation is a technique in which the amplitude of each pulse is controlled by the instantaneous amplitude of the modulation signal. It is a modulation system in which the signal is sampled at regular intervals and each sample is made proportional to the amplitude of the signal ...
If the pulse train is amplitude modulated by a sinusoidal baseband signal, the resulting PAM signal is given by Equation 18.55. (18.55)v=(1+mcosωmt)vc =12ao+12aomcos ωmt+∑n=1∞ancos n ωrt =12m∑n=1∞an[(cos(nωr+ωr)t +cos(n(ωr+ω...
Pulse Amplitude Modulation (PAM) is amodulation techniquein which the amplitude of the pulsed carrier signal is adjusted in response to the amplitude of the message signal. More precisely, data is sent by changing the amplitude of the pulse in response to the modulating signal. ...
Pulse amplitude modulationDuffing’s equationFast-slow analysisRelaxation oscillationsIntroduce and explore the effects of PAM on relaxation oscillations, building on cosine and pulse excitations.Explore the dynamics of oscillation and resting state alternation under PAM.Investigate the dynamics of extended ...
The present invention provides a PAM (Pulse Amplitude Modulation) method and circuit for improving the performance of a D-class audio amplifier. The D-class audio amplifier is inputted with a PWM signal and designed to have a dead time function for time delay. In order to decrease the distort...
In pulse-amplitude modulation (PAM), the amplitudes of regularly spaced rectangular pulses vary with the instantaneous sample values of a continuous message signal in a one-to-one fashion. This method of modulation is illustrated in Figs. 6a, b, and c, which represent a message signal, the ...
The timing equation is the basic theory of dealing with the observable data of pulsar.The pulse timing model is studied;the transformation equation of puls... QY Zhou,JF Ji,HF Ren - 《Acta Physica Sinica》 被引量: 13发表: 2013年 New type of optical fibre analogue SSB data communication ...
(CCD) with four factors,i.e., voltage step time, pulse amplitude, pulse time and sample pH was performed and an optimum response surface equation was... S Ahmadi,A Ghassempour,AR Fakhari,... - 《Analytical Methods》 被引量: 4发表: 2010年 New method for the determination of carrier li...
The performance of a passive system is characterized by the passive sonar equation: SE=SL−TL−NL+AGr−DT where the terms are essentially the same as for an active sonar. In some applications the arrays are so large that the coherence of the received signal is important, and it is ...
Further, a pulse amplitude modulation circuit according to another embodiment of the present invention: directly computes an edge position adjustment amount to negate pattern jitters tJat the edge position on the receiver side expressed by Equation 6 from the parameters β and γ of the pulse respon...