PROBLEM 4 [PIECEWISE FUNCTIONS]: In signal processing, three discrete-time elementarysignals are being discussed. The first of these is the unit impulse function (n) and is defined asn is an integer(1,8(n) = {1Evaluate the expression:n = 0n = 0'The second elementary signal is called the unit step function u(n) and is defined asu(n) = {1,lo,The third elementary signal is the ramp function r(n) and is defined asr(n) = {1,(n,n>0n<0'n≥0n<0'n is an integern is an integer8(3)-5u(4)r (2) + 8(0)u(1)r(6)-78(-3)

To evaluate the given expression δ3-5u4r2+δ0u1r6-7δ-3 Where the functions are given as, δn=1, n=00,…

Answered: mentar signal processing, signals are…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 91E

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2. Suppose that in Example 2.27, 400 units of food A, 500 units of B, and 600 units of C are placed in the test tube each day and the data on daily food consumption by the bacteria (in units per day) are as shown in Table 2.7. How many bacteria of each strain can coexist in the test tube and consume all of the food? Table 2.7 Bacteria Strain I Bacteria Strain II Bacteria Strain III Food A 1 2 0 Food B 2 1 3 Food C 1 1 1
Denote owl and wood rat populations in a particular area at time k by xk LK Rk where k is the time in months, Lk is the number of owls in the area studied, and R is the number (in thousands) of wood rats in the area studied. Suppose Lk+ 1 = (0.2)Lk + (0.6)Rk and Rk+1=(-0.1)Lk + (0.9)Rk. Determine the evolution of this system. (Give a formula for xk.) Does the owl population grow or decline? Does the wood rat population grow or decline?
1. In this question we have three functions: • S() is the mumber of UWC students who register for MAM115 in year t. • 9(t) is the mumber of UWC Pharmacy students who register for MAM115 in year t. • h(x) is the number of MAM115 students who pass MAM115 if there are r students in the class. (a) Consider the following 10 combinations of these functions and identify the combina- tion that best measures the quantity given in each of (i) to (v) below. (f oh)(t). g(t)(h o f)(4) h(r). (Soh)(t); (ho f)(1); S() – g(0). S(1) S() - (ho f)(). S(1) i. The number of students who pass MAM115 in year t. ;1-(f(t)-1); (t- 1) - (h(f(t - 1)); h(x) - 9(t). ii. The failure rate for MAM115 in year t. iii. The mumber of students who failed MAMI15 one year ago. iv. The proportion of students in the MAM115 class who are not doing Pharmacy. v. The mumber of Pharmacy students who pass MAM115 in year t assuming that they have the same pass rate as the rest of the class.
Question 1 Assume 11-bit data sequence 10011011100 and generator polynomial(or the divisor) is P(X) = X4+ X3+1. a. calculate CRC and indicate the bit sequence transmitted .b. Assume that the 8th data bit (from left) has been changed in the transmission system by noise. Show that CRC detects the error . Full explainthe this question very fast solution sent me step by step Don't ignore any part all part work u ( ) Text typing work only not allow paper
4. If f(1) = 4, f (2) = 3, ƒ(3) = 1, and f(4) = 2, then what is f-1(3)? What is f(f-1(1))? What is f-1(f(4))?
1. In this question we have three functions: • f(t) is the number of UWC students who register for MAM115 in year t. • g(t) is the number of UWC Pharmacy students who register for MAM115 in year t. • h(x) is the number of MAM115 students who pass MAM115 if there are x students in the class. (a) Consider the following 10 combinations of these functions and identify the combina- tion that best measures the quantity given in each of (i) to (v) below. h(x). f(t)' ; 1- h(f(t) – 1); f(t – 1) – (h(f(t – 1)); h(x) – g(t). (foh)(t), f(t) g(t)(h o f)(t) f(t) (f oh)(t); (ho f)(t); - f(t) – g(t), f(t) i. The number of students who pass MAM115 in year t. f(t) – (h o f)(t). f(t) | ii. The failure rate for MAM115 in year t. iii. The number of students who failed MAM115 one year ago.

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