Output Definition and 1000 Threads

I have a high pass filter circuit, which I've designed from a transfer function, and from the Bode Plot, I'm getting some amplification, yet I don't want that. I just want my input=ouput at the frequency where amplification starts. How can i go about to do this? Should i introduce another...

Hi everyone, i have a problem with mathematica. I am supposed to compute the eigenvalue of a matrix, and I need the expression for the eigenvalues analytically. But it output strange symbols. and I am unable to decipher what it means. What I got is an output consisting of words like root and...

I have attached image. Thanks in advance.

I have a engineering question that hopefully you guys find interesting enough to help me with. It works as follows. I have a steadily moving column of water moving at 1.4m per second. I have two water wheels with diameter of 2000mm and 3000mm. Each wheel has 5 flat boards which measure...

Homework Statement What causes the output distortion seen in the above diagram? Output on right, input on left. The Attempt at a Solution This isn't homework, just something I can't figure out, playing with a simulator. The gain here is dependent on the input voltage... but why is the output...

1.)what is the power output of a 1200kg car that can go from 25 km/hr to 100 km/hr in 12 secs. Neglecting air resistance and rolling friction. 2.)a woman skis down a slope 300ft high. her speed at the foot of the slope is 60 ft/sec. what percentage of her initial potential energy was dissipated?

How do you determine the output impedance of cmos gates?

If I produce two different sets of data with ode113, that are based on the exact same inputs, but one is longer than the other (i.e. tf is larger for one set, we'll call it A. Both A and B have the same ti). If I compare the two plots with imagesc(A) (so that the vertical axis represents the...

Howdy Yall, First time poster, long time lurker. I am working on a project right now measuring the "useful" life of a battery...say a AA battery. To relate that to a real world application, I will be powering a light (LED) off the battery. I was initially planning on getting the battery, an...

NM-Solved(How to plot points from a "Maximize[ ]" output) Hello all, I'm working with some data sets and I want to make a bar-type graph out of the numbers that result after a series of equations ending in a maximize function. My trouble is that the output of the function gives something...

Hello all. Does anyone have any experience in viewing the more detailed output from NWCHEM? It's easy for Gaussian or GAMESS where the outputs themselves are inputs for molden or other programs, but for NWCHEM you have to specify in the input file exactly what sort of output you want for the...

Hello, I want to know the answer of following program and the reason behind it...as soon as possible void main() { float j; j=1000*1000; printf("%f",j); }

Hi all, I bought a small gearhead motor for a uni project, however the shaft is a strange shape. Round for the most part with a flat section. Not sure how I'd connect it to something? I could use glue I guess but would prefer a cleaner solution. Is there washers/couplers for these type of...

1. Homework Statement Hi I'm using C and I need to use arrays on this one, but I need to somehow randomize the output.2. Homework Equations for example an output "abcde" could also have an output "bcade" possible 3. The Attempt at a Solution #include <stdio.h> main() { char word[27]...

Hello, Am trying to make dc/ac inverter with pure sine wave output, while am searching i found an IC which is SG3524 which can generate a pwm signal. Is it a good choice for pure sine wave output, and what is the difference between the pwm signal generated by micro controller and the pwm...

[b]1. Homework Statement A voltage divider consists of two 56kohms resistors and a 15V source. Calculate the unloaded output voltage taken across one of the 56kohm resistors. What will the output voltage be if a load resistor of 1.0Mohms is connected across the output?

Can you tell me if I'm right with this. If you charge ten 1F capacitors in series at 10 volts. Each capacitor has a voltage of 1 volt and a charged capacitance of 0.1F. So if you discharged the ten capacitors in parallel the output would be equal to 1F of capacitance charge and 1 volt. or would...

Hi guys, look time lurker first time poster. I am simulating a simple multimode laser to analyse its output as a function of the number of modes. Have the code for output P which i think is correct but i now need to do analyse the P spectrum in the Fourier domain. I know my base should be...

I have a short code that calculates the running median for three columns of data in an input file and writes the running medians out to three columns of data in an output file. I use Numerical Recipe subroutines and functions to compute the running median. If I include a WRITE(*,*) directly...

Dear All, We have an voltage amplifier. The input is given in small square wave steps to check rise time and noise level of an output signal. The rise time looks good, but we see periodic (noise)oscillations after reaching the plateau. We measure signal voltage across capacitor (10 micro...

Hello all; I'm doing work for my job, and I've forgotten my statistics =(. I first want to know if what I'm trying to do is possible. I want to create a linear regression of the form Y = a * x1 + b * x2 + c. http://imgur.com/Q4vGP" As you can see, there is space that is grayed...

Howdy, I am a mechanical engineering student with limited circuitry knowledge to start... Anyhow I have a [-500,+500]lbf load cell that is essentially a wheatstone bridge strain gauge. I want to give it either 9Vdc or 12Vdc excitation voltage since I have a regulated power supply that can...

Which of these have higher output per square unit*, phototransistors, photodiodes or APD photodiodes.?

I have discovered the solution for the differential equation. I have: DSolve[{y'[x] == 3 + 1/x}, y, x] and got {{y -> Function[{x}, 3 x + C[1] + Log[x]]}} I'd like to make y a function of z, for example. I just would like to be able to use the function another time, evaluating y[2] for...

Hello everybody! I've got a Mathematica problem that I've been working on for a while but can't seem to solve. My code is pretty involved, so I'll simplify the dilemma for you. F1 := Function[{x,m,b}, y = m*x+b; Print[y] ] I have a function called F1. If I call it like...

Hi All, Its my first post here. I want to know how the digital output which comes out of an ADC can be used to calculate FFT. Because FFT algorithms usually needs real and imaginary parts of a sampled signal? Thanks.

Homework Statement For the circuit below (attached) plot the amplitude of AC voltage across resistor as a function of the angular frequency of the ac source. Homework Equations ZR = R The Attempt at a Solution I'm not really sure about any of this. Across the resistor, the complex...

Homework Statement what is the average power output of an engine lifts a 250kg mass a distance of 30.0m in 20.0s? Homework Equations Ek= (1/2)(m)(v^2) Ep=mgh Ew=fnet x distance Es= (1/2)kx^2 The Attempt at a Solution Ep+Ek=f x d (.5)(200)(3)^2 + (200)(9.81)(5)= fx5.00...

Increase reflector output? Greetings, I have been workings on a Solar Tracker. I have some small TV sat dishes that I am planning to cover with Mylar to create the reflector. After viewing some videos on YouTube I noticed that a larger dish produces more heat. Would adding a lens increase...

Homework Statement I have been asked to perform CFD simulations of a basic stainless steel cylindrical heat exchanger. I have to test a range of inlet temperatures and flow rates where external heat applied is constant. I wish to perform basic hand calculation to verify my results by...

Hi, I want to redirect output of mc6811 from terminal to a file.I have tried google search and did not find any solution for that.Can anyone help me?I appreciate your help. Thanks Rose

I am trying to drive a 5V DC motor using a MCU output. The motor is run directly off the +5V line which is down-converted from 18V using a TPS5430 Step-down converter. The MCU coding is basically that when the inputs are in the correct state, the output to the FET turns on for a number of...

Homework Statement A 48.0 kg sprinter, starting from rest, runs 46.0 m in 7.30 s at constant acceleration. a) What is the magnitude of the horizontal force acting on the sprinter? b) What is the sprinter's power output at 1.70 s? Homework Equations x=x_0 + v_0 t + \frac{1}{2}at^2...

How do you make a string repeat itself for a given number of times? For example, if I wanted to make "3y" print out "yyy" on the screen (it prints "y" 3 times because the number in the input is 3).. how would i do this using functions?

Homework Statement At a coal-burning power plant a steam turbine is operated with a power output of 491 MW. The thermal efficiency of the power plant is 39.0%. (a) At what rate is heat discarded to the environment by this power plant? ______ GW (b) At what rate must heat be supplied to...

Hi guys, this is my first work in optical and first simulation in matlab. I am sorry if there is mistake and I am really new to this. Here is what I did, I am simulation an entire Radio Over Fiber system with Matlab, linear system. Let me insert my code first...

HI, How do i feed the current information into micro-controllers ADC input to calculate the total power? Please help. I am using atmel tiny45 and its a boost converter output current i want to measure for output power. Thanks.

Is the thermal output, or rather electromagnetic output, of the Earth's core relatively constant? and if so, how does it compare to the output of other interstellar cores, say like mercury or the sun?

Hello... If i have a byte in a register in a PIC micro controller, how can i write a subroutine using ASSEMBLY which allows me to get serial output from this register to the output port of the micro controller?

I'm trying to figure out how to build a breadboard instrument using either push buttons or logic switches as they keys that will play each note. The issue that i am having is that I don't think finding all of the perfect resistor and capacitor combinations for each note is a good idea. So, i...

Hello, I have correctly defined my OPEN and CLOSE statements. When all of my WRITE statements with their associated FORMAT statements are at the end of the program I get the formatted output that I need. If I move one of the WRITE statements to the body of the program (within a particular...

Homework Statement The circuit below combines variable resistors R1 and R2 with fixed resistors to make a complex voltage divider. If the switch is closed and R1=8000ohms and R2 is 5000ohms, what is the output voltage. Homework Equations V=IR The Attempt at a Solution the...

I have a small problem regarding darlington transistor pairs. Lets say a source is connected to the coupling capacitor Ci and this source has an internal resistance of for example 10kOhms. When finding the Output resistance of the darlington, should the internal resistance of the source be...

Homework Statement I don't understand how the website below got the equations for the output and input resistances Homework Equations http://www.statemaster.com/encyclopedia/Common-collector

Homework Statement I am trying to make sense of some of the terminology. Basically i get that each industry in an input matrix is dependant on each of those industries to some specified extent in order for production. Is the output what each sector produces before we take into acount...

I tried connecting my solar cell, 7V/100mA to the ammeter. What I got is 1mA. Why? The voltage part is 6V, so I assume the efficiency should be at least around 6/7*100 %. But why is it only 1mA? I connected the solar cell straight to the ammeter. I need help fast. Thank you.

Homework Statement If a man has an average useful power output of 41.4 W, what minimum time would it take him to lift fifty 15.0-kg boxes to a height of 1.88 m? Homework Equations 1/2mv(final)^2 mgy(final) = 1/2mv(initial)^2 mgy(initial) P=W/Δt P=Fv The Attempt at a Solution...

Guys, I have a Lister generator that is capable of producing approx 5KW of power from an attached ST alternator. I am in australia so our standard power is 240v at 50hz I have a grid tie inverter for my solar panels - this unit accepts between 150v dc into 500vdc It has a single input...

Is there any way to make Mathematica display the variable name in the output? For example, if I have the following: In[1]:= A = 1 + 2 + 3 By default Mathematica outputs this: Out[1]:= 6 I would like it to instead output something like this: Out[1]:= A = 6 Or in some other way...

Is there a way you can redirect both input and output in a Windows operating system. The book I am using only explains how to do this in DOS. Thanks.