Network Definition and 444 Threads

I have been told that if the line connects breaker to breaker, it is considered to be radial; but, this doesn't make sense to me. If a line is connected by two feeders then there would be two sources of power, hence "Radial". I'm not sure if I'm missing some minute detail that makes the whole...

Homework Statement A current i(t) as shown in the figure is passed through a capacitor. the charge (in micro coulomb) acquired by the capacitor after 5 micro seconds Homework Equations here slope is given for 3 microsecond ie. current=dq/dt = 2.5 charge upto here = 3*2.5=7.5 micro...

Homework Statement The current Ix and Vx in the below circuit are The Attempt at a Solution Volt at node A= V. Applying KCL at node A, V/5+ ((V-20) /10) -7=0, 3V =90, V=30.

I want to implement circuit that can be operate throw web browser there are many network controller but I want to use ARM controller I need advice I mean where we can use this type of circuit ,tell me commercial use of network enabled device

Hello guys i want to compose a code (in C++) for Ns3 to simulate the fuctionality of sliding window , maybe can help me somebody!

Why do we need a two port network? Is there something which a one port network lacks? Why we needed a two port network connection?

Hi folks, I'm interested in unlocking a computer for network folder sharing. After I installed ZoneAlarm for firewall, I haven't been able to open folders from the computer running it. "Locked" computer information: - Windows 7 - ZoneAlarm (zones on Medium and all IP's of interest have...

Hello, I need some advice regarding my plan to apply for a masters in EE. I have a BS in physics, and I have been in the workforce for about 5-6 years now. I work in the IT field, with a focus on networking, security, LAN/WAN, etc. I have been offered an exciting opportunity of becoming...

Homework Statement If we have a two-port network, a source with impedance Zs and a load with impedance Zl, I think that the conjugate of Zg and Zl (normal, not conjugated) should be equal to the image impedances of the network. The problem is that I was told that instead of the conjugate of...

Homework Statement This is out of a book on Excel, where we are solving simultaneous equations. However, how do we find the equations for this network in the first place? (image at bottom) Homework Equations ∑ I= 0 ∑ V =0The Attempt at a Solution i1 + i2 + i3 = 2 i6 + i7 +i10 = 3

Hello guys, I have to make a short circuit calculation for school but I am a bit lost.. I have a copy off the IEC61363 and internet connection as my help lines. Homework Statement The network consists of a generator feeding to switchboard A with a cable in between, on the same...

Homework Statement Design and show a foster 1 network z=(x^2+4)/(x(x^2+2))Homework Equations The Attempt at a Solution So first I did the partial fraction expansion and I got (2/x)-(x/(x^2+2)). Next I got everything in the denominator so (1/x/2)-(1/(x+(2/x)) when I do this though I get all...

Homework Statement Compute values for R and C such that the total series impedance Z=500\angle(-36.1o) when f=10kHz. Homework Equations ω=2\pif KVL ZC = -j*(1/(ωC)) = 1/(jωC) where j=\sqrt{-1} The Attempt at a Solution Seems like a pretty straightforward problem, I seem to...

Hi, this is part of an application note entitled "Low-Noise Amplifier Stability Concept to Practical Considerations" from Maxim. Could you help me with the question in the picture? Thanks. Source: http://www.maximintegrated.com/app-notes/index.mvp/id/1849...

Homework Statement For the capacitor network shown in Fig. P24.55, the potential difference across ab is 12.0V. Find (a) the total energy stored in this network and (b) the energy stored in the 4.80-μF capacitor. Homework Equations C= Q/V U= Q2/2C = .5CV2 = .5QV Capacitors in Series: 1/Ceq =...

Hello guys. This is my first time posting in PF. So, let me tell my problem first. I have just finished high school and I will be entering college soon. The problem is, I cannot decide which course suits me the best. Whether it is Network Engineering or Telecommunication Engineering. To tell...

Homework Statement Consider a network of n queues with a Poisson arrival process of parameter t from outside the network, and independent exponentially distributed service times of parameters r1 to rn. Customer that first arrived to the network initially join queue i with probability Pi...

Homework Statement http://imageshack.us/a/img819/9791/sh5k.jpg Given the network [above], find the complex power supplied by the source, the power factor of the source, and the voltage Vs(t). The frequency is 60 Hz. Homework Equations ω=1/f Pf = cosø P = IV PL =...

Homework Statement Design a π section symmetrical attenuator to provide a voltage attenuation of 15 dB and a characteristic impedance of 600 Ω. Zc=600Ω,\alpha=15dB (attenuation) Z1,Z3=? Homework EquationsThe Attempt at a Solution \alpha[dB]=20log(Vin/Vout)=15 \alpha=5.623...

hi all, So here I am reading a paper "A System for the Detection of Pigment Network in Dermoscopy Images". I want to ask what actually is a pigment network? thanks

Please suggest what does N1 and N2 mean in the attached dc network.

Homework Statement Construct and test the ∏ section symmetrical attenuator. Measure and record the Input & Output Voltages of the attenuator and determine the attenuation in dB. Homework Equations Vout = Vin * [ R2 / (R1 + R2) ] Decibel Attenuation (dB) = 20LOG10(Vout / vin)...

I have seen articles dealing with the growth of brain cells using stem cells. I have also seen, in the past, research attempting to mimic neural connections (using traditional silicon chips) for use in computing. I have searched for any mention of research into using actual living brain cells...

[/SUB]Homework Statement Design a ∏ section symmetrical attenuator to provide a voltage attenuation of 15 dB and a characteristic impedance of 600 Ω. Homework Equations ZS = ZL = Z R1 = R3 = Z (K + 1 / K -1) R2 = Z (K2 - 1 / 2 K) The Attempt at a Solution Z = 600Ω K =...

Homework Statement Calculate the insertion loss for the network in the diagram? Homework Equations 20log(N)dB N = R0 + R1 / R0 - R1 The Attempt at a Solution N = R0 + R1 / R0 - R1 N = 141.42 + 100 / 141.42 - 100 N = 241.42 / 41.42...

[SIZE="5"]Homework Statement Calculate the Characteristic Impedance (Z0) of the two port network? Homework Equations When port 2 open-circuit, [SIZE="5"]I2 = 0 So, [SIZE="5"]Z11 = [SIZE="5"]V1 / [SIZE="5"]I1 = 40(60) / 100 = 24 Ω When [SIZE="5"]I2 = 0, thus [SIZE="5"]V2...

Homework Statement Calculate the characteristic impedance ( Z0) of the two port network shown below: Could you help me with this question please.Homework Equations The Attempt at a Solution

Homework Statement Consider a power grid consisting of electricity producers that are connected to consumption points on the grid. The consumption points are affiliated with regional retail power companies that then distribute the power to their end users. The undirected graph (attached)...

Hi! I have a few devices in my home like a desktop, a laptop, a printer, a tablet(Nexus 7) and a smartphone. I usually need transfer files between the device so i use data cables, usb drives or memory cards. But I have a broadband router in my home which I think can be used to set up a wireless...

Homework Statement Find Vo/Vin.I understand perfectly how to do this question. It simply involves an application of ohm's law to find i1, then KVL around the first loop. KCL at the top, and KVL around the second loop. Then to solve simultaneously. My issue however Is why the mechanics of...

I'm trying to make a neural network in python, but I'm having a lot of trouble. Specifically after I have the network set up, what weights to initially assign to each neuron's inputs, the threshold, and evolving the networks to do what you want. Here is my neuron class. class Neuron...

So I am currently a computer engineer student, with multiple IT certifications (A+, N+, S+, MCP, MCSA, MCSE, CCNA) i will finish my degree this December and I am trying to make a decision, I am currently working as a software engineer for a small company where the top ill make after i graduate...

two-port network transmission parameters?? Homework Statement Homework Equations t[A B]=[t11 t12] [C D]=[t21 t22] The Attempt at a Solution so, first thing i did was find the equivalent capacitance/inductance. C(eq)=-j0.5 and L(eq)=j0.5. using these values as I was confused by parametric...

I'm working on a project which deals with temperature control of a room. the idea is to control temperature within a limit. I have prior data which i used to train a neural network which is 99.5% accurate. there are 5 inputs (x , y , z , A , B) and there is one output (T). Now I want to...

I'm working on a project which deals with temperature control of a room. the idea is to control temperature within a limit. I have prior data which i used to train a neural network which is 99.5% accurate. there are 5 inputs (x , y , z , A , B) and there is one output (T). Now I want to...

I don't have access to computer right now so here's the link to my working http://tinypic.com/r/2nhowoo/5 . According to the answer I shouldn't have (s/RC) term on the numerator, otherwise all good. Can anyone please point out where i have gone wrong?

I developed a multi-layer perceptron so I could better understand the underlying structure as well as modify it easily versus MATLAB's nntoolbox generate code. I have successfully trained the network for a given set of inputs and targets. The question now is how do I use this trained network...

please help me solving 2 electrical network problems file:///C:/Documents%20and%20Settings/user/My%20Documents/My%20Pictures/From%20RSPC_Pashya/Camera%20roll/WP_000127.jpg In first problem I have to find current through 5Ω resistor using Thevinins eq. So, in first step i removed 5Ω...

Could someone explain what network motifs are and how they are different from clusters because wherever I've searched, both are defined as sub-communities within a network.

I'm working on a fingerprint recognition project and have run into a road block. As of now, I am using a 3 layer feed-forward neural network to find the minutiae in a fingerprint. If a minutiae is detected, it's location in the image (row, col) and the type (n types) of bifurcation is noted...

So, I see a lot of my peers joining frats. Even my sister has joined one. With so many people joining now, what are the chances that it would help them hook up with a job later on in life? I mean, in the 1950's, the chances were high, but now it's 2013 - everyone's going to college and a large...

Homework Statement A V_s=5V source, with Thevenin resistance R_s=1kΩ, drives a certain number h(fanout) gates, each of which is modeled as a C_g=100fF load. The gates are driven simultaneously (i.e., in parallel). You are given: V_OL= 1V, V_OH = 4V. Ignore the wire resistance. What is the...

My son has a wooden train set. It has straight tracks, curves, and points. I've been playing with itbuilding tracks for him, and came across something odd. If I don't really think about it and just throw something together, it almost always seems to end up that there is a "trap" - a section of...

circuit help -- resistors and batteries in a network Homework Statement (a) Calculate the current through each ideal battery in Fig. 28-41. (As a sign convention, assume the currents are "up" through each battery.) A (I1) A (I2) A (I3) Assume that R1 = 1.5 , R2 = 2.5 ...

Homework Statement http://imageshack.us/a/img15/7218/sg2prob11.jpg Find the Thevenin resistance for the network(Sorry for the bad drawing, but that is a point like point / node A on the bottom where it's going out too and likely part of the load too, with a wire connected to the circuit, I'll...

I was going through an article on CAN bus in Wikipedia & was stuck at the point where bit stuffing is explained. CAN is an asynchronous bus. They implement NRZ (Non-Return-To-Zero) encoding. To enable the receiver to correctly read the messages, continuous resynchronization is required...

Homework Statement Calculate the equivalence capacitance of the network; where C1 = 8.55 μF, C2 = 4.00μF , C3 = 8.65 μF, C4 = 3.20 μF http://imageshack.us/content_round.php?page=done&l=img822/4296/loncapa.gifHomework Equations Capacitane in parallel: C = C1 + C2 + ... Cn...

Homework Statement http://loncapa2.fsu.edu/enc/66/45d3639022485d2ba995cf84c579b584bffe5ace9851f3da3fbac5f5a1c7d2ee9dfed8743cf75459ef336ad7a1bbe176f7a0cf1a35a519ce0cef3c31febf9858404cac5a2cd3ace3851dbef61ee03a25f7a5c41a87b32e0f.gif Calculate the equivalence capacitance of the circuit shown...

1. An inductor of negligible resistance and an inductance of 0.2 H is connected in series with a 330 Ω resistor to a 12V d.c. supply. Determine: (a) the time constant of the circuit (b) the voltage drop across the inductor after two time constants (c) the voltage drop across the...

"Find Io in the network" nodal analysis Homework Statement http://img189.imageshack.us/img189/8807/homeworkprob22.jpg Find Io in the network Homework Equations V = IR current division, voltage division, KCL, KVL Nodal Analysis (or mesh)The Attempt at a Solution So I think I need to use...