Question

Download the Matlab data set data.mat. It contains a DTMF signal with six numbers dialed in...

Download the Matlab data set data.mat. It contains a DTMF signal with six numbers dialed in sequence. Find the phone number dialed.

Data file contains value for Fs = 8000 and 14,400 values for x. Create a Matlab code that will either plot the phone number or solve for it if x and Fs are entered.


No additional informafion is needed. User will load a .mat or .wav file containing x values and Fs value.
Engineering   Electrical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Gaatho Date solution: y = audiovad: '(''démf .wav"); 2 = plot(y) of which gives me the plot of the 6-digits. ut i shot hot but I need to dicode it to find the frequency range and with that I can find the 6-digit dialed number. to = 8000 , 14,400 To 53 to T* (O!**-1), pit=2***t ; tones - zeros (N. size(t, 6); for tone Choise : 1:6 tones (istones choice ) = sum (sin(f(:, tonechoiu) FRA)), subplot (6,5 tonechoice ) , prot (tx yes, fones (:, tonechoiu)) ; ditle (("symbol", symbol & tonechoiu 3 ,'"')

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Please use Mat lab only. Thanks (b) Plotting Sunspots Load the Matlab data file, sunspot.dat, and...
Please use Mat lab only. Thanks (b) Plotting Sunspots Load the Matlab data file, sunspot.dat, and experiment with making plots and subplots. The file is a simple 288 row by 2 column matrix where the first column has consecutive years from 1700 until 1987 and the second column has the mean sunspot number for that year. Then we will construct year and spots vectors from the two columns and plot spots as a function of year. load sunspot.dat; year =...
For this homework, you will be filtering noise from a sound recording. The assignment is broken...
For this homework, you will be filtering noise from a sound recording. The assignment is broken into simple steps you can follow. Please follow instructions carefully and remember that you will only upload one workspace (*.mat) file. Make sure to name the clean_speech variable correctly. 1) Download the Matlab workspace from the link provided in Canvas. Move the downloaded file to the same folder as your script to make things simpler. 2) Load the downloaded workspace into Matlab. You can...
PLEASE USE MAT LAB ONLY. THANK YOU (a) Create and plot the signals listed below and...
PLEASE USE MAT LAB ONLY. THANK YOU (a) Create and plot the signals listed below and save your Matlab code in a script file. i) Cosine signal of frequency 100 Hz over the range [0,0.1] seconds and samples spaced 10^- 4 seconds apart with a phase of pi/2 and an amplitude of 1.   PLEASE USE MAT LAB ONLY. THANK YOU ii) A square wave that oscillates between 0 and 1 every five samples, plot 3 periods of the waveform. iii)...
Curve-Fit Function USING MATLAB Using the top-down design approach, develop a MATLAB function A8P2RAlastname.m that reads...
Curve-Fit Function USING MATLAB Using the top-down design approach, develop a MATLAB function A8P2RAlastname.m that reads data from a file and performs regression analysis using polyfit and polyval. The function shall have the following features: The input arguments shall include the file name (string), a vector of integers for the degrees of polynomial fits to be determined, and an optional plot type specifier (‘m’ for multiple plots, ‘s’ for a single plot - default). The data files will be text...
Design a Java class named Polygon that contains:  A private int data field named numSides...
Design a Java class named Polygon that contains:  A private int data field named numSides that defines the number of sides of the polygon. The default value should be 4.  A private double data field named sideLength that defines the length of each side. The default value should be 5.0.  A private double data field named xCoord that defines the x-coordinate of the center of the polygon. The default value should be 0.0.  A private double...
Complete a Java program named ARMgr that maintains customer accounts receivable in a database. The code...
Complete a Java program named ARMgr that maintains customer accounts receivable in a database. The code to initialize the CustomerAccountsDB database table and add a set of customer accounts is provided. Finish the code in these 3 methods in CustomerAccountDB.java to update or query the database: -purchase(double amountOfPurchase) -payment(double amountOfPayment) -getCustomerName() Hint: For getCustomerName(), look at the getAccountBalance() method to see an example of querying data from the database. For the purchase() and payment() methods, look at the addCustomerAccount() method...
Can someone please edit my code so that it satisfies the assignments' requirements? I pasted the...
Can someone please edit my code so that it satisfies the assignments' requirements? I pasted the codes below. Requirement: Goals for This Project:  Using class to model Abstract Data Type  OOP-Data Encapsulation You are asked to write an app to keep track of a relatively small music library. The app should load song information from a data file once the app is started. It should allow user to view, add, remove, and search for songs. The app should...
I've posted this question like 3 times now and I can't seem to find someone that...
I've posted this question like 3 times now and I can't seem to find someone that is able to answer it. Please can someone help me code this? Thank you!! Programming Project #4 – Programmer Jones and the Temple of Gloom Part 1 The stack data structure plays a pivotal role in the design of computer games. Any algorithm that requires the user to retrace their steps is a perfect candidate for using a stack. In this simple game you...
**[70 pts]** You will be writing a (rather primitive) online store simulator. It will have these...
**[70 pts]** You will be writing a (rather primitive) online store simulator. It will have these classes: Product, Customer, and Store. All data members of each class should be marked as **private** (a leading underscore in the name). Since they're private, if you need to access them from outside the class, you should do so via get or set methods. Any get or set methods should be named per the usual convention ("get_" or "set_" followed by the name of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT