MATLAB is a commercial numerical computer algebra system

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9 views

HC-12 Wireless Serial Port Communication Module

I have been trying to make a robot that will go as per instruction from MATLAB using HC-12 Wireless Serial Port Communication Module and send me back video stream and using the video i will send ...
0
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1answer
31 views

MATLAB function fixdt() question

MATLAB has a function fixdt() that creates objects describing fixed-point or floating-point data type. So if we write ...
-1
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0answers
16 views

How ybus will change in Newton-Raphson load flow when we place three phase transformer in three phase load flow [on hold]

I am doing a project on calculation of three phase load flow by using the Newton-Raphson method. I wrote a program for that and now I want to place a three phase transformer in a line. Finally, I ...
0
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1answer
31 views

MATLAB error: “acker” function not returning the same thing as ackermann's formula

I have a discrete time system Suppose I have the following AB matrix of my system $$A = \begin{bmatrix} 0 & 1 \\ 1 & 1.5 \\ \end{bmatrix} $$ $$B = \begin{bmatrix} 0 \\ 1 \\ ...
0
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1answer
19 views

How to achieve a block of Z^(-0.5) in Simulink?

I'm doing simulation in Simulink of Matlab, but don't know how to get a Z^(-0.5) cell like this:
0
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0answers
27 views

How to get change in position and rotation from gyroscope and accelerometer?

i have a 6-axis accelerometer and gyroscope MPU6050 . i'm using simulink with arduino to read to raw data from the mpu . I intend to measure something that only moves in the X and Z axis. I've heard ...
0
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0answers
26 views

Incremental Conductance MPPT algorithm in MATLAB Simulink

I am simulating an application of the incremental conductance MPPT algorithm with a boost converter in MATLAB Simulink. The PV cell and boost converter have been modeled. I am facing problems while ...
0
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1answer
35 views

Why does my bandpass RF filter complain about Ts in Simulink?

I am doing a basic amplitude modulator, and I'm using as input signal for now a Gaussian noise generator, then I modulate it with a carrier fc=2e9Hz. When using Simulink along with a RF bandpass ...
0
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0answers
23 views

Computing main lobe width of Hamming window in Matlab by plotting

(I have asked the same question in Signal Processing SE. I have repeated here hoping for more respones) I wanted to verify the fact that main lobe width of a Hann/Hamming window is twice that of a ...
0
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0answers
10 views

how to make parameters as input port in Matlab?

I want to calculate BER in a communication system in Matlab simulink. I have used from "error rate calculation block", which accepts the transmitted and received signals as inputs and the output is ...
0
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0answers
27 views

Voltage and Currents in Complex Domain of RC circuits in MATLAB

Define the transfer functions by defining s = jω such that the circuit can be simulated in Matlab, that is, can display all voltages and currents for the circuit. Determine the transfer functions of ...
0
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1answer
53 views

read and write error in matlab

I am trying to send a data=40 from matlab gui to pic16f877A via serial communication. To crosscheck value is properly transmitted to pic i also transmitted back that data from pic to matlab and ...
0
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1answer
58 views

analysis of RC circuit using Matlab

I designed the circuit and obtained the desired outputs correctly. for for circuit it R = 1e3 , C= 0.15e-6, and f = 250 , ( for RC circuit) and in the second part it asks to increase the frequency to ...
0
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0answers
34 views

determining appropriate group delay for FIR filter in matlab

I am trying to take a signal where the frequency with the max energy is about 180Hz and use a filter to distort that frequency by using a group delay. So far I have had no luck with matlab commands,I ...
0
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0answers
268 views

Real-time Matlab Simulink plot from serial port data

I have an arduino that constantly writes data via serial port on a usb that I want to plot in real time using Simulink (Matlab R2013b). I have seen matlab codes (.m files) that are working but what I ...
1
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0answers
44 views

Analysis of first order RC using Matlab

I finished designing the given circuit using Matlab but I am getting some weird output results on oscilloscope. and here is what I did I used the commands to define the R, F , C, and ...
-1
votes
1answer
66 views

Matlab Components needed for Electrical Engineering Students [closed]

I am installing Matlab, and now I need to select the components that are required for electrical engineering projects, circuits, ect. ( for undergraduate students, not professionals) the list is ...
0
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0answers
22 views

Discrete time control in MATLAB: Why do I need ZOH before AND after a system?

I am following a very simple tutorial on modeling discrete time system in MATLAB. What confuses me is that in the literature, a discretized plant G_d(z) is a system for which the input signal is first ...
0
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0answers
37 views

Interfacıng Matlab with Agilent 34410A Multimeter

I have a agilent 34410A multimeter which I want to connect with my matlab program through TCP/IP. In youtube there is several videos It seems to be easy but I could not able to connect the 34410A with ...
0
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0answers
40 views

Conditions to connect Solar Power Panel to 3 phase Grid Connected supply

I want to connect solar panel to 3 phase grid, and i want to know what are the conditions for connecting them both. I have designed the basic 3 phase source which feeds RLC load, the matlab block ...
-2
votes
1answer
60 views

lower and upper 3dB frequency from frequency response in Matlab

Is there any Matlab code available to find the lower and upper 3db frequency of a plot. If not what could be the easy way. I am aware of the theory but implementing is becoming difficult.
3
votes
2answers
167 views

Obtaining Poles and Zeros from frequency response

What is the process of obtaining the poles and zeros from frequency response plot or data. Any reference or Matlab code will be great help
0
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1answer
84 views

How does a DC-AC inverter's DC input current change with time?

Newbie question, would really appreciate some help. I am modelling a simple full-bridge inverter in Matlab. I've used the supplied example file of a full-bridge inverter that was developed by the ...
0
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0answers
31 views

Implement Automatic Gain control for 16 QAM

How can I implement an automatic gain control for 16 QAM modulation in Matlab preferably without channel estimation (trial and error may be).
2
votes
1answer
84 views

Parsing Raw ADC Data into Voltage Levels

I'm collecting single-tone test data on the ADC12J4000EVM using the TSW14J56EVM and the High Speed Data Converter (HSDC) Pro software and ADC12J4000EVM GUI. I am trying to capture raw time domain data ...
0
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0answers
43 views

dc motor fuzzy logic speed control

I came across this separately excited DC motor model(USING matlab) using PI control for speed control.I am having difficulty in understanding how armature voltage is kept as constant.If the model is ...
0
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1answer
99 views

Signal sampling question here please?

We have the signal \$y(t)=7\cos(wt) \$.We have \$f(s)=100~Hz\$.I need to find \$f(T)\$ and reconstruct the signal so that we wont have loss of signal. I think that we need to take \$f(T)>2f(s)\$ ...
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votes
1answer
70 views

Zynq 7020 system generator start up problem

I have recently started using Xilinx system generator for simulating dvb communications system. Matlab 2014b and Vivado 2014.4 were installed and everything was running smoothly with no problem. At ...
0
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0answers
29 views

How to sort the load bus in a particular order in PSAT Matlab

I am using PSAT to run a powerflow in a 50-bus system. These are the steps I followed: Load the MDL and MATLAB code file containing the bus system Click the "Power Flow" button After 4 iterations, ...
0
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2answers
370 views

first Mini dsp Project using matlab and books

i have basic knowledge of matlab and took signal and system course. i want to do project like below. but dont know filter on matlab. are there any books i can learn fft commands etc.(dft, ...
0
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0answers
25 views

How to separate the gyroscope signal into segments?

I found similar topic: How to Segment Accelerometer Signal at idle points But there was no answers. Also, I need algorithm to separate signal into segments but in MATLAB. I have one idea, to do it ...
0
votes
0answers
17 views

interfacing MATLAB and ClearSCADA

Is it possible to pass data from Matlab to ClearSCADA software? On their forums I found this: http://telemetry.schneider-electric.com/id3/forum/messageview.cfm?catid=51&threadid=973 but this ...
0
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0answers
103 views

Convolution in Matlab of transfer function

My problem is find the output to U(t+1)-U(t-1) with Matlab given the transfer function H(s). I know that I should be able to find the output to any input of an LTI system when given H(s), so I tried ...
2
votes
1answer
125 views

How do I create a Bode plot in Matlab?

I have calculated a transfer function for a specific system (a low pass filter): $$H(j\omega)=\frac{1}{RCj\omega +1}$$ It seems to me that the standard way of plotting the frequency response of the ...
1
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1answer
43 views

Can I get Simulink blocks from commlib individualy

We were simulating communication with DPCM modulator in school. I saved the Simulink scheme and now I would like to simulate some more situations at home, but my commlib doesn't have the modulator we ...
0
votes
1answer
112 views

How to calculate logic gates power in microwatts in Matlab?

I am designing a logic gates sequential circuit in Matlab2014 Simulink using logic gates and I am giving Pulse and Constant at the input of the circuit but I cannot measure current and voltage at the ...
0
votes
2answers
69 views

Sketching Sine Wave in Matlab

I am working with matlab in college and I need to generate sine wave whcih represents signal going through a wire. But its not clear to me what t equals to and how can I multiply \$y\$ by \$t\$ this ...
3
votes
1answer
124 views

Cross Correlation values

I'm trying to develop a flow meter using the cross correlation algorithm. I'm using 2x IR leds and 2x phototransistors and a MSP430F5529. One pair of phototransistor-Led go in the upper level and the ...
0
votes
1answer
130 views

How to calculate the variance of a discrete signal?

Explained as: 'the variance of the signal is the mean of its squares minus the square of its mean' The mean of its squares (average of instantaneous power of all samples) minus the square of its mean ...
0
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0answers
66 views

Lock-In amplifier

I am currently performing experiments on FM Atomic Spectroscopy. The light from VSCEL is interacting with an akali vapor in a cell and the output is received at the photodetector. The output contains ...
3
votes
3answers
236 views

Non ideal op-amp equivalent circuit output voltage

I am creating this question to ask you about a "strange" behavior I am observing in Matlab about an op-amp circuit. I am reading "Fundamentals of Electric Circuits" the 5th edition, and in the chapter ...
0
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0answers
157 views

How to fit practical PID controller state equations into a state-space matrix representation (to be used for RK4 through MATLAB)?

So I need to implement an RK4 algorithm of a state-space matrix in order to convert it from continous to discrete time (using RK4 is the specified method in the assignment Q). Diagram of the ...
0
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0answers
42 views

All Xilinx Blocks must be contained in a level of hierarchy with a System Generator Token error in xilinx

I am trying to simulate psuedo random data generator on simulink but I am getting this error ...
0
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1answer
164 views

Teensy + Matlab Serial Communication Problem (12Mbit/S)

Im trying to send some data from my teensy to matlab but matlab didnt even call the callback function: This is my matlab Funcion: ...
0
votes
1answer
189 views

Implementing High Pass Filter in Simulink

I am trying to implement the following block diagram using Simulink in Matlab. I am having trouble getting the high pass filters to work properly. To do the filtering, I am using the First and ...
2
votes
1answer
248 views

How does this Matlab code work?

I came across this uncommented Matlab code except for the header: ...
0
votes
0answers
101 views

Defibrillator simulation in Matlab/Simulink

Guys'm doing work at the university, to deliver on Friday the 17th and my problem is as follows. My aim is about defibrillator and I have to do the simulation and generate a pulse same as ...
1
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1answer
231 views

Parsing .s2p data through an automation script to plot graphs of the various s-parameters

Need to find a way to quickly decipher and plot s-parameters for tons of .s2p files in a short period of time. In specific, I need to plot the angle of the s-parameters versus frequency and then the ...
2
votes
2answers
272 views

Calculation of inductance of rectangle coil

I'm currently working on a project about inductance. I want to calculate the inductance of a rectangle-shaped coil with a pitch different from zero. I tried this by applying the law of Biot-Savart. If ...
1
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2answers
2k views

Can I run matlab on a microcontroller?? and if yes which one?

I am working on a complicated robotics project which involves MATLAB image processing algorithm and LEGO MINDSTORMS interface as well as an Arduino. The system works dependently in a sequence ...