Engineering, 06.03.2020 22:41 lcar61
When the impulse response function h(t) is a causal signal, then the system is causal. Conversely, if the system impulse response is noncausal then the system is noncausal. To illustrate this important concept, consider two LTI systems that are represented by the impulse response functionsSystem 1: h1(t)=u(t) exp(-t)System 2: h2(t)=u(-t) exp(t)Specify whether or not the system is casual?
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Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
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When the impulse response function h(t) is a causal signal, then the system is causal. Conversely, i...
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