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778 Chapter 24 The Fourier transform

1

g( l)

(a)

l

g(– l)

1

(b)

l

g(t– l ) when t< –1

1

(c)

t

–1

1

l

g(t– l ) when t = –1

(d)

–1

1

l

g(t– l ) when – 1ø t ø 1

(e)

–1

t

1

l

g(t– l )whent= 1

(f)

–1

1

l

g(t– l ) when t . 1

(g)

–1

1

t

l

Figure24.15

Thefunctiong(t − λ) forvarious

values oft.

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