Q5. (a) (b) (c) Describe the algorithmic steps to compute the Short Time Fourier Transform 3 marks An alarm is recorded at 10 kHz sampling frequency. It is composed of two tones, one at 1.5kHz and one at 1.7kHz. The two tones alternate every 0.2 seconds. What window size would you use to resolve the two components in a Spectrogram? 3 marks Two airplanes are entering in a controlled airspace at two different speeds. Airplane A approaches at 70 m/s while airplane B approaches at 62 m/s. What is the minimum number of pulses that an air traffic control radar working at a carrier frequency of 1.2 GHz and a PRF of 1200 Hz should use to discriminate in Doppler the two airplanes? 7 marks A UAV is approaching a dam on which a metallic reflector is installed. Due to the water motion the dam vibrates at 4 Hz with a displacement of the reflector of 0.04 m in each direction. Sketch the micro-Doppler that the UAV will measure if it stops in front of the metallic reflector and observes it with a 24 GHz radar. 7 marks (d)

The calculated answer is NpVs = NsVp=- 0.086A

utilizing the transformer formula, which, as shown, connects the coil's number of turns N, emf V, and produced current I;

where Ns/Np = Vs/Vp = Ip/Is;

The secondary and primary coils' respective turn counts are Ns and Np, respectively.

The relative emf in the secondary and primary coils is Vs and Vp.

The current in the secondary and primary coils, respectively, is and is

assuming Vp = 120V (input voltage), Np = 384 turns, and Vs = 9V (output voltage) Ns =?

Using the equation Ns/Np = Vs/Vp

Ns/384 = 9/120

multiplying by two

120Ns = 384×9

120Ns = 3456

Ns = 3456/120

Ns = 28.8

Ns = roughly 29 turns

9/120 = Ip/1.14

multiplied by two;

120Ip = 9×1.14

120Ip = 10.26

Ip = 10.26/120

Ip = 0.086A

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The application of electro bioengineering uses principles of nick and computer science to design products is application of electrical engineering principles to biology, medicine, conduct, or health.

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Explanation:

Advantages:

-An efficient method of water softening for smaller purposes.

-Cheap

-Reusable

Disadvantages:

-Unwanted elements can be found in the distilled water.

-Very high levels of acidity

-Doesn't contain any oxygen, very tasteless.

A: Null sessions, is a relevant approach to test if an SMB server is vulnerable.

A Null session is a type of connection to an SMB server that does not require authentication. Penetration testers can use a Null session to test an SMB server's security and gain unauthorized access to sensitive data. During a Null session, the tester can enumerate the user accounts, domain groups, and network shares that are accessible through the SMB server.

Option B, Xmas scan, is a type of port scan that is used to identify open ports on a target system. Option C, ICMP flood, is a type of Denial of Service (DoS) attack that floods a target system with Internet Control Message Protocol (ICMP) packets to overwhelm it. Option D, SYN flood, is also a type of DoS attack that floods a target system with SYN packets to consume its resources and render it unavailable to legitimate users. While these techniques may be useful in certain situations, they are not relevant for testing the vulnerability of an SMB server.

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Answer:

Rather than just defining a vision or mission statement, we ask entrepreneurs to create a vision model, which combines three things: your core values, organizational purpose, and a big, hairy audacious goal (BHAG).

918.63517 is the answer.

The basic requirement of measurements is to have a standard or reference point against which to compare the quantity being measured. This standard or reference point should be well-defined and stable, and the measurement process should be repeatable and consistent. Additionally, it is important to ensure that the measurement equipment is calibrated and in good working condition.

Answer:

The most basic requirement for measurements is the presence of a standard or reference point against which the quantity being measured can be compared. The measurement process should be repeatable and consistent, and the standard or reference point should be well-defined and stable. Furthermore, ensure that the measurement equipment is calibrated and in good working order.

Explanation:

Answer:

Explanation:

a) True

b) False

c) False

d) False

e) True

f) False

g) False

h)False

Plz mark as brainliest

An iron ring with a 2 mm air gap requires approximately 13374.9 ampere-turns to produce a flux of 100000 lines around it.

NDT Reference: MPI: Ampere Turns. This phrase describes the result of a coil's number of turns and the amperes of current that travel through it. This is a measurement of the coil's magnetising or demagnetizing power. For instance: 800 amps in a coil with six turns equals 800 times six, or 4800 amp turns.

H = B / μ0

μeff = μiron * (lcore / (lcore + lgap))

\(μeff = 1200 * (20 / (20 + 0.2))\)

= 1188

\(H = B / μ0 = 100000 / (4π × 10^-7)\)

= 79577577.5 A/m

\(N = H * lcore / μeff\)

Substituting the values, we get:

\(N = 79577577.5 * 0.2 / 1188\)

= 13374.9 ampere-turns

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C++ program that fulfills the requirements mentioned in the lab description:

```cpp

#include <iostream>

#include <fstream>

#include <iomanip>

#include <string>

using namespace std;

struct PurchaseType {

   string customerID;

   string productName;

   double price;

   int qtyPurchased;

   double taxRate;

};

void openFile(ifstream& iFile, string prompt) {

   string fileName;

   do {

       cout << prompt;

       cin >> fileName;

       iFile.open(fileName);

       if (!iFile.is_open()) {

           cout << "Error: Invalid File" << endl;

       }

   } while (!iFile.is_open());

}

void readFile(ifstream& iFile, PurchaseType purchases[]) {

   for (int i = 0; i < 10; i++) {

       iFile >> purchases[i].customerID >> purchases[i].productName >> purchases[i].price

             >> purchases[i].qtyPurchased >> purchases[i].taxRate;

   }

}

void printPurchaseData(PurchaseType purchases[], int size) {

   cout << "+-------------+--------------+-------+----------+----------+-------+\n";

   cout << "| Customer ID | Product Name | Price | Quantity | Tax Rate | Total |\n";

   cout << "+-------------+--------------+-------+----------+----------+-------+\n";

   double totalPrice = 0.0;

   int uniqueCustomers = 1;

   for (int i = 0; i < size; i++) {

       double total = purchases[i].price * purchases[i].qtyPurchased * (purchases[i].taxRate + 1.0);

       totalPrice += total;

       cout << "| " << setw(12) << left << purchases[i].customerID

            << "| " << setw(13) << left << purchases[i].productName

            << "| " << setw(5) << right << fixed << setprecision(2) << purchases[i].price

            << " | " << setw(8) << right << purchases[i].qtyPurchased

            << " | " << setw(8) << right << purchases[i].taxRate

            << " | " << setw(5) << right << fixed << setprecision(2) << total

            << " |\n";

       if (i < size - 1 && purchases[i].customerID != purchases[i + 1].customerID) {

           uniqueCustomers++;

       }

   }

   cout << "+-------------+--------------+-------+----------+----------+-------+\n";

   cout << "Unique users: " << uniqueCustomers << endl;

   cout << "Average total: $" << fixed << setprecision(2) << totalPrice / size << endl;

}

int main() {

   ifstream inputFile;

   openFile(inputFile, "Enter file name: ");

   PurchaseType purchases[10];

   readFile(inputFile, purchases);

   printPurchaseData(purchases, 10);

   return 0;

}

```

Make sure to save the file with a `.cpp` extension, for example, `lab11b.cpp`. You can compile and run the program using a C++ compiler.

This program prompts the user to enter a file name, opens the file, reads the data into an array of `PurchaseType` structs, and then prints the data in a tabular format, along with the average total and the count of unique customers.

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It is to be noted that all UHRS platforms are optimized for the popular kinds of internet browser applications.

The Universal Human Relevance System (UHRS) is a crowdsourcing platform that allows for data labeling for a variety of AI application situations.

Vendor partners link people referred to as "judges" to offer data labeling at scale for us. All UHRS judges are bound by an NDA, ensuring that data is kept protected.

A browser is a software tool that allows you to see and interact with all of the knowledgeon the World Wide Web. Web sites, movies, and photos are all examples of this.

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According to the research, research can facilitate the work of building technicians in the conception, materials to use and planning of the project.

They are experts in construction projects, supporting the design of plans, estimating costs, planning work methods, etc.

Research can facilitate the work of building technicians in the following ways:

Therefore, we can conclude that according to the research, research can facilitate the work of building technicians in the conception, materials to use and planning of the project.

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The smallest allowable values of the diameters d1=0.184m and d2=0.422m.

What is daimeter ?

The longest chord is the diameter of the circle. Example: The circle's diameter, ab, is the term for the chord with the longest length.

Since, the assembly is in equillibrium,

taking, summation of all horizontal forces it is equal zero.

let R be the reaction at supporting end.

∴ \(\frac{1}{\sum H} = 0\)  (Rightward force token positive)

∴-P + (125 x 2 ) - R = 0

∴ -40 + 250-R=0

∴ R = 210kN (←Left)

Now,

taking separate free body diagram of cylinder AB & BC.

Each part having circular cross :

sectional area

         Axial Force \(F_{AB}\) = 40KN

    ∴ Stress in AB = \(F_{AB}\) = \(\frac{F_{AB}}{area\ of\ c/s}\)

                              \(= F_{AB} = \frac{40\times 10^3}{\frac{\pi }{4}\times d^2_1 }\)..........................(1)

But permissible stress in each part is given as 150 MPa = 150 x \(10^6\) \(N/m^2\)

∴ Put \(F_{AB} = 150\times 10^6 N/m^2\) in eq(1)

eq(1) in ⇒ 150 x \(10^6\) = \(\frac{40\times 10^3}{\frac{\pi }{4}\times d^2_1 }\)

∴ \(d^2_1\) = 3.395 x \(10^{-4}\)

d1 = 0.0184m = 18.4mm

Similarly,

        Stress in BC = \(F_{BC}\) = \(= F_{BC} = \frac{F_{BC}}{{\frac{\pi }{4}\times d^2_2 }}\)

     ⇒ \(F_{BC} = \frac{2.10\times 10^3}{{\frac{\pi }{4}\times d^2_2 }}\)

here, also for \(f_{BC} = 150\times 10^6 N/m^2\)

\(\therefore 150\times 10^6 = \frac{2.10\times 10^3}{\frac{\pi }{4}\times d^2_2 }\)

\(\therefore d^2_2 = 1.782 \times 10^{-3}\\\therefore d_2 = 0.0422m = 42.44mm\)

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Answer:

10

Explanation:

The rooftop solar is a form of solar energy that can be installed on the roof of a home or business. It is cost-effective, environmentally friendly, and provides many benefits to homeowners and businesses.

The rooftop solar has many advantages over other forms of solar energy. One of the main advantages is that it provides 100% clean electricity from renewable sources. In addition, it can be combined with other sources such as wind power and geothermal power for even more benefits.

There are also many uses for rooftop solar panels in homes and businesses. One example is using it to heat water for hot water systems or heating swimming pools.

For me Bluebird Solar Private Limited is the best website in India for rooftop solar panels in India.

Asbestos may cause cancer by inhalation. Moreover, asbestos is also known to cause different respiratory diseases (especially asbestosis) by affecting the mucosa of the bronchi.

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Answer:

False

Explanation:

Answer:

✔️a healthy mind resides in a healthy body.

Explanation:

The seers were of the opinion that "a healthy mind resides in a healthy body."

Just like the English translation of a famous quotation from Thales, pre-Socratic Greek philosopher puts it "a sound mind in a sound body"; which tries to demonstrate the close connections that exists in bodily well-being and one's ability to enjoy life.

The seers were actually of the opinion that a healthy mind resides in a healthy body. It implies that there is connection between the body and the mind. When the body catches an illness, the mind and other parts of the body are affected. When our minds are not healthy, it affects the effective functioning of the body.

So, a healthy mind will definitely be found in a healthy body.

✔️a healthy mind resides in a healthy body.

Explanation:

The seers were of the opinion that "a healthy mind resides in a healthy body."

Just like the English translation of a famous quotation from Thales, pre-Socratic Greek philosopher puts it "a sound mind in a sound body"; which tries to demonstrate the close connections that exists in bodily well-being and one's ability to enjoy life.

The seers were actually of the opinion that a healthy mind resides in a healthy body. It implies that there is connection between the body and the mind. When the body catches an illness, the mind and other parts of the body are affected. When our minds are not healthy, it affects the effective functioning of the body.

So, a healthy mind will definitely be found in a healthy body.

Answer:

technician b?

Explanation:

Decision variables are the values that the decision maker can control and choose in a decision-making problem. Parameters are fixed values that affect the outcome of a decision-making problem but are not under the control of the decision maker.

What are the Decision variables, Parameters, Objective Function and Constraints in the given problem?

Decision Variables:

Parameters/Data:

Objective Function:

Constraints:

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The inner surface temperature of the window is equal to -5 + 0.5417/A.

Temperature is a measure of the average kinetic energy of all the atoms and molecules in a system. It is a physical property of matter that can be observed and measured. Temperature can be measured in various ways, from the feeling of hot or cold on the skin to more precise scientific instruments. Heat is a form of energy and temperature is a measure of this energy.

The inner surface temperature of the window can be calculated using the equation:

Q = kA(T1-T2)/L

Where Q is the heat flux, k is the thermal conductivity, A is the area of the window, T1 is the inner surface temperature, T2 is the outer surface temperature, and L is the thickness of the window.

Rearranging the equation gives us:

T1 = T2 + (QL)/(kA)

Substituting the given values, we get:

T1 = -5 + (1300*0.005)/(1.2*A)

T1 = -5 + 0.5417/A

Therefore, the inner surface temperature of the window is equal to -5 + 0.5417/A.

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The dynamic viscosity of the oil in poise is 13.625 pois

The kinematic viscosity of the oil in strokes is 14.34

F viscous is given as n*  ΔFr / Δy

where n = F * Δy / A * ΔVn

We have to define the terms of the formula

Δy = 12.5 x 10⁻³

ΔVr = 2.5m /s

A = 60 x 60 cm² = 0.36m

F = 98.1 n

We have to put the values in the formula

98.1 n *  12.5 x 10⁻³ /  0.36m * 2.5m /s

n = 1.3625  ns / m²

The kinematic viscosity of the oil in strokes if the specific gravity of the oil is 0.95

y = n / e

n =  1.3625  

e = 0.95 x 10³

y = 1.3625  / 0.95 x 10³

= 1.434 x 10⁻³

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Find the cover for the memory module slot. Insert the module by sliding it. The majority of socket alignments are roughly 30 degrees. Change the memory.

Memory is the ability to take in information from the surrounding environment, process it, store it, and then recall it at a later time—sometimes years later. A memory storage system or filing cabinet are frequently used as analogies for human memory.

Memory is a necessary part of every person's life. We are unable to function with in present or consider the future without a remembrance of the past. We wouldn't be able to recall our actions from the previous day, the present, or the future.

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Answer:

True

Explanation:

I looked it up

Answer:

true

Explanation:

Answer:

Technician A

Explanation:

Technician A is correct. Technician B is wrong, as different drive vehicles (FWD, RWD, AWD, 4WD) each require a certain rotation for optimal tire wear.

Answer:

The scale factor is used to make models of real-life objects. For example, a toy car is modeled to look just like a real car but at a smaller size. The ratio of the toy car to the real car might be 1:24 1: 24 . Which means that for every one unit of length on the toy car, the real thing is 24 times that size.

Explanation:

When a neuron sends a signal, they create electrical events called actions potentials and chemical neurotransmitters.

Basically, a neuron is a fundamental units of the brain and nervous system. They are nerve cells responsible for: receiving sensory input from the external world, sending motor commands to the muscles, and for transforming and relaying electrical signals.

Being that neurons also communicates, they do so using electricals and chemicals means. So one neuron can communicate to the other via electrical events which are action potentials and chemical neurotransmitters.

An action potential causes one neuron to release chemical neurotransmitter which will help or hinder the other neuron from firing its own action potential.

In summary, neurons are essentially electrical devices having action potentials and chemical neurotransmitters as the fundamental units of sending signals or communicating with other neurons.

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The statement It is similar to sleep-walking Option(b) is the one that best describes "sleep-driving".

Driving while fatigued or drowsy is known as sleep driving. This typically occurs when a driver hasn't had enough sleep, but it can also occur as a result of untreated sleep disorders, drug use, alcohol consumption, or shift employment.

According to the Division of Sleep Medicine at Harvard Medical School, there are 250,000 drivers who consistently fall asleep behind the wheel in the United States. In a public survey conducted by the National Sleep Foundation, 54% of adult drivers admitted to driving while drowsy in the previous year, with 28% admitting to actually falling asleep behind the wheel.

The National Highway Traffic Safety Administration estimates that tired driving causes more than 100,000 accidents, resulting in around 6,550 fatalities.

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The assertion It is comparable to sleepwalking. Option (b) best describes "sleep-driving"

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