where
$^\prime ={t}_{2}-$ and
$\stackrel{~}{h}()=h(-)$ for all
$\in \mathbb{R}$ .
${Y}_{t}$ is WSS if
${X}_{t}$ is WSS and the linear system is time-invariant.
${X}_{t}$ is a wide sense stationary process with
${}_{X}=0$ , and
${R}_{X}()=\frac{{N}_{0}}{2}()$ .Consider the random process going through a filter with impulse
response
$h(t)=e^{-(at)}u(t)$ .The output process is denoted by
${Y}_{t}$ .
${}_{Y}(t)=0$ for all
$t$ .
The power spectral density function of a wide sense stationary (WSS)
process
${X}_{t}$ is defined to be the Fourier transform of the autocorrelation functionof
${X}_{t}$ .
$${S}_{X}(f)=\int_{()} \,d $$∞∞RX2f
if
${X}_{t}$ is WSS with autocorrelation function
${R}_{X}()$ .
Properties
${S}_{X}(f)={S}_{X}(-f)$ since
${R}_{X}$ is even and real.
It's one of the two branches of Economics that deal with the aggregate economy.
Mayen
it's about inflation, occupation, gdp and so on
alberto
What is differences between Microeconomics and Macroeconomic?
Bethrand
microeconomics focuses on the action of individual agents in the economy such as businesses, workers and household. while macroeconomics looks at the economy as a whole. it focuses on broad issues in the economy such as government deficit, economy growth, levels of exports and imports, and
Fixed Costs per week Variable Costs per bear
Rent & Rates of Factory
Hire & machines
Heating & Lighting
Repayment of Bank Loan
K100.00
K45.00
K5.00
K50.00
Materials
Foam
Wages
K6.00
K1.00
K1.00
Total K200.00 K8.00
Richard
one of the scarce resources that constrain our behaviour is time. each of us has only 24 hours in a day. how do you go about allocating your time in a given day among completing alternatives? once you choose a most important use of time. why do you not spend all your time to it. use the notion of op
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in a comparison of the stages of meiosis to the stage of mitosis, which stages are unique to meiosis and which stages have the same event in botg meiosis and mitosis
Researchers demonstrated that the hippocampus functions in memory processing by creating lesions in the hippocampi of rats, which resulted in ________.