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## Exponential Distribution |

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1000 Threads found on edaboard.com: **Exponential Distribution**

Hi all,
I want to generate random signal with **exponential** **distribution** (exp(T/tau) tau is my constant) in verilog. Could you please advice me how I should do it?
Sincerely, Albert

Microcontrollers :: 08-16-2013 03:12 :: albert_new :: Replies: **2** :: Views: **263**

please give me the charecteristic functions of
1)weibull **distribution**
2)rayleigh **distribution**
3)pareto **distribution**
4)**exponential** **distribution**

Digital communication :: 04-02-2007 09:30 :: vamsi charan :: Replies: **0** :: Views: **1006**

thanks very muchxulfee, but i think i'm looking for a random sequence with **exponential** pdf...And the problem is, such a sequence with zero mean returns all zeros as i already mentioned.

Digital Signal Processing :: 09-12-2008 02:25 :: vahidkh6222 :: Replies: **10** :: Views: **1172**

In order to find the inverse cdf of the **exponential** **distribution** I have solved Y=1-exp(-X) for X. This is the point. You have to find algebric inverse.
Also if you jenerate the data using the line you have here, I think you can see that the drived data are not **exponential**ly distributed.
Yours,
dspman.

Mathematics and Physics :: 04-12-2007 13:19 :: dspman :: Replies: **5** :: Views: **731**

The built-in potential is generated because of the diffusion of the mobile charges across the junction which leaves back the uncompensated immobile charges near the junction. The number of charges diffusing across the junction is equal to the number of immobile charges left back. The mobile charges diffuse in the p or n type material and follow a n

Electronic Elementary Questions :: 03-03-2008 01:58 :: subharpe :: Replies: **2** :: Views: **1606**

If you look in the book of David Tse, Fundamentals of wireless communications.
instantaneous SNR is defined as, |h|^2 SNR, therefore if we take square of Rayleigh it becomes **exponential** **distribution** therefore the overal instantaneous recieved SNR becomes exp. with mean SNR.
hope this helps.

Digital communication :: 11-13-2008 04:04 :: urwelcome :: Replies: **2** :: Views: **1548**

Hi,
I want to solve this problem for my friend.But I have some questions to ask you.
"Paris Wholesale fruit distributors employ one worker whose job is to load fruit on outgoing company trucks. Trucks arrive at the loading gate at an average of 24 per day , or 3 per hour, according to a Poisson **distribution**. The worker loads them at a rate of 4

Mathematics and Physics :: 01-05-2010 01:27 :: sivamit :: Replies: **0** :: Views: **742**

Basically, if the underlying fading channels are Rayleigh, then SNR follows **exponential** **distribution**. That is y0, y1, and y2 are all **exponential**s, where y0, y1, and y2 are the instantaneous SNR of the direct path, the first hop of the relay path, and the second hop of the relay path, respectively. After generating them, calculate the (...)

Digital communication :: 10-19-2011 18:38 :: David83 :: Replies: **5** :: Views: **4173**

Here is the source file of exprnd function
function r = exprnd(mu,varargin)
%EXPRND Random arrays from **exponential** **distribution**.
% R = EXPRND(MU) returns an array of random numbers chosen from the
% **exponential** **distribution** with mean parameter MU. The size of R is
% the size of MU.
%
% R = (...)

Digital communication :: 09-20-2011 16:00 :: samir67 :: Replies: **1** :: Views: **1983**

There are many trends exhibited by some research groups:
1. multiple or variable voltage supplies (transistor-level)
2. application transformations that infer differentiations at the system level
e.g. the memory subsystem organization and the update rules for these memories. (RTL and system level)
3. adiabatic switching (transistor level)

ASIC Design Methodologies and Tools (Digital) :: 01-19-2003 19:11 :: the_penetrator :: Replies: **4** :: Views: **1228**

G´day 8O
from long time ago i´m working to create a new linux **distribution**
from scratch, The intention of this **distribution** is to help all Electronics
designers. The **distribution** will have all kind of EDA/PCB applications like
eagle, components data sheets, mcu programmers and simulators,
SPICE tools, 555 design wizards, (...)

Linux Software :: 02-16-2003 13:32 :: tvdd43 :: Replies: **1** :: Views: **1494**

When I design a coaxial connector in CST's MWstudio,I interest in the outer conductor's current **distribution** because there some area not regular.but MWstudio couldn't give me outer conductor current **distribution**,because it's background material is PEC,ther is only inner conductor's current can be seen.I have tried to use a loss metal brick to cont

Electromagnetic Design and Simulation :: 03-01-2003 01:56 :: pewang :: Replies: **0** :: Views: **1742**

Is there anybody who has a schematic of a **distribution** amplifier for the DCF77 RF signal. I am looking for an amplifier with 4 or more outputs.
Greatings, radioman

Professional Hardware and Electronics Design :: 07-03-2003 07:47 :: radioman :: Replies: **0** :: Views: **1019**

plz help me...

PLD, SPLD, GAL, CPLD, FPGA Design :: 09-18-2003 00:32 :: elcielo :: Replies: **4** :: Views: **803**

Which linux **distribution** is best for computer programming and PC software development ?
CHeers :)

PC Programming and Interfacing :: 01-19-2004 12:10 :: coolchip :: Replies: **2** :: Views: **1404**

I want to know if I can draw **exponential** function curve in the CST curve creation , because I want to know how I can get the planar metal with **exponential** function bounding in the vivaldi antenna simulation.who can tell me . thanks a lot
Yes, it's possible
Macros -> Construction -> Create 2D curve analytical.
The

Electromagnetic Design and Simulation :: 04-22-2004 12:32 :: eirp :: Replies: **1** :: Views: **2484**

Which is the best open source embedded linux **distribution**, accompanied with the platform builder and source development kit?
Thanks.

Linux Software :: 08-11-2004 03:08 :: djolestojic :: Replies: **2** :: Views: **1034**

Hi everyone,
I have some doubt as above. Under the single **exponential** profile, there is this equation d(z)=d2+(d1-d2)*(1-z/L)^T. it was mentioned by Saad(1983) that T is 1.3 for the taper from full waveguide height to d/b=0.1 ( d=slot width, b=height of the waveguide).
My question is that if the d/b is not equal =0.1, what would the valu

RF, Microwave, Antennas and Optics :: 01-07-2005 01:55 :: evoplus :: Replies: **2** :: Views: **993**

Hi Valiant,
An **exponential** decay pulse:
0 for t<0
k*exp(-t/tau) for t>=0
is the impulse response of a single pole low-pass filter.
If you apply an impulse to a cascade of many identical low-pass stages (it doesn?t matter their shape, it?s enough they are identical), the result is asymptotically a gaussian pulse:
0 for t<0
k*ex

RF, Microwave, Antennas and Optics :: 03-04-2005 08:34 :: zorro :: Replies: **1** :: Views: **1508**

Hello Linux PlayMate:
I have a question, in fact, a trivial one. Not sure where to start. Hope you can give me a few spare time of yours; guiding me through the process of updating my Linux laptop.
Let's start. I have a laptop installed with SUSE 9.1 pro from the official disk.
I am seeing some crashed on my PC due Linux windows manage

Linux Software :: 03-20-2005 12:26 :: saho :: Replies: **0** :: Views: **569**

Hi Guys,
I am designing 8-bit SAR Converter based on the following journal. (see attachment file)
Can someone throw me some light on how to decide the capacitor value for the sample-hold circuit. Is there any good reference or design guidelines for this circuit?
Cheers!

Analog IC Design and Layout :: 03-24-2005 04:33 :: snoop835 :: Replies: **6** :: Views: **1735**

Hi,
I would like to get 2 D plane plot of SAR **distribution** in HFSS. I don't know how to do it - something like "Plot 3D fields on 2D plane" in CST.
Thanks Tom

Electromagnetic Design and Simulation :: 04-05-2005 11:32 :: Thomaso :: Replies: **1** :: Views: **1732**

cedance, your gaussian pdf function listed as:
1/sigma * sqrt(2*Pi) * exp(-(x-mean)/sigma)^2
is missing a 1/2 in the **exponential** term!
When mean =0 and variance =1 its a normal **distribution**.

Mathematics and Physics :: 06-22-2005 05:19 :: the_jackal :: Replies: **9** :: Views: **1280**

A bit confused by the thermal noise spectrum: people say thermal noise is white, i.e., it has same amplitude (power) through the whole frequency spectrum. But it's also said that thermal noise has Gaussian **distribution**. Isn't this a conflict? Thanks for clarifying this issue.

Analog IC Design and Layout :: 06-14-2005 21:32 :: blue2lucy :: Replies: **6** :: Views: **1689**

Hi,
Has anybody access to the Chipcon ZigBee Developers site?
I need Z-Stack End Customer **distribution** package by Chipcon or
full Z-Stack by Figure8Wireless.

Microcontrollers :: 06-22-2005 11:35 :: d1024 :: Replies: **4** :: Views: **1118**

Hi all,
I am in the design of a transition adapter between two rectuangular waveguides. One port is the standard rectuangular waveguide. The other port with a much smaller b compared with the first port. They have the same a. I am thinking to use **exponential** taper to get the lowest S11. Is the **exponential** taper the best choice?
The other prob

Electromagnetic Design and Simulation :: 07-01-2005 16:45 :: andy2049 :: Replies: **2** :: Views: **2425**

hi, i'm looking many information about probability **distribution**s such as gaussian **distribution**, iogonormal, and exponensial **distribution**, are there information on the net. thanx for th answer.

Mathematics and Physics :: 07-06-2005 02:03 :: abubakar :: Replies: **7** :: Views: **1277**

Random **distribution** is normally characterized by its probability **distribution** function (pdf). The area covered by the pdf is always one.
Uniform is one where the probability of any value occuring within a specified range (say from a to b) is the same, ie p(x)=1/(b-a).
Normal, or gaussian **distribution**s follow a symmetrical bell-shape curve. (...)

Electronic Elementary Questions :: 08-31-2005 06:26 :: checkmate :: Replies: **2** :: Views: **570**

Hi everyone,
I want to plot the theoretical uniform and normal **distribution** by using surf() in Matlab.
Can anyone help me to approach it?

Mathematics and Physics :: 09-29-2005 11:42 :: shaq :: Replies: **1** :: Views: **1379**

Currently, I am looking for the union bound of my convolutional codes. Know that, I need the values of the weight **distribution** for my conv. codes before the calculation of union bound. Is there any one here has the value of weight **distribution** for coding rate-1/2,3/4,3/5,4/7 convolutional code (polynomial=,puntured from orignal code with codin

RF, Microwave, Antennas and Optics :: 11-09-2005 06:44 :: cwjcwjcwj :: Replies: **0** :: Views: **462**

hi freinds
how can measure current **distribution** on antenna?
thanks

RF, Microwave, Antennas and Optics :: 11-26-2005 04:13 :: star22 :: Replies: **3** :: Views: **1920**

I tried to build a wide band BALUN using HFSS and wish to see the current **distribution**.
I used lumped port for both sides of the BALUN.
No error in geometry and simulation.
However, when I used the the Field plotting function to plot Jvol or Jsuf, I see negligible value at all points of my structure.
I viewed the E Mag plot and the fiel

Electromagnetic Design and Simulation :: 12-01-2005 20:43 :: Kin :: Replies: **5** :: Views: **3724**

Hi,
anyone know how i can see the plot(curve) of current **distribution** on a strip(for example a microstrip line) in HFSS?
thanks

RF, Microwave, Antennas and Optics :: 01-07-2006 03:22 :: habib83 :: Replies: **2** :: Views: **2000**

My friend argued with me that e^x is periodic with a period of 2πj.I do not agree with him.
Can we define such periodicity where the time period is imaginary? e^x is not even periodic .
i think that **exponential** function is a nonperiodic...since it keeping on increasing or decreasing even at infinity...

Mathematics and Physics :: 02-10-2006 09:02 :: electronics_kumar :: Replies: **21** :: Views: **5248**

Actually in microprocessors especially, to operate it in G Hz we surely require a optical intervention because of the frequency instability invoved in crystal oscillator or any other at high such a case why donot we look for global clock **distribution** using optical pulses.Optical pulses avoid the cross talk,EMI,skew and many other bugs

RF, Microwave, Antennas and Optics :: 01-24-2006 03:10 :: gayu :: Replies: **0** :: Views: **538**

can any one decribe me what is the use of mmod functin and its probability **distribution** ?
and how can we find an expression for the distributiion of mod funnction

Mathematics and Physics :: 01-24-2006 17:42 :: bizoo :: Replies: **1** :: Views: **711**

Any hint to develop power **distribution** on a embedded system ?! (I mean shut down power to non user functional blocks)
Do you know how to estimate de battery life just looking for its voltage?
Thanks in advance

Embedded Systems and Real-Time OS :: 01-30-2006 19:15 :: Bukitoo :: Replies: **3** :: Views: **700**

Hi friends ;
I would like to measure the load **distribution** on a 50 cm by 50 cm surface. I will put an object on the surface and will read out the corresponding weight **distribution** on the surface points. For 50 cm by 50 cm surface totaly around 1000 contact points must be measured.
I saw a sort of transparent measurement pad in an mattress te

Analog Circuit Design :: 01-31-2006 07:53 :: Mesut_yigit :: Replies: **0** :: Views: **565**

Hi, all,
I'm using HFSS to simulate an on-chip inductor, but whatever setting I used, still get bad results comparing with the measured data: the inductance is about 0.1nH larger, and the quality factor is about 6 less.
Someone told me that the current **distribution** of the inductor was not smooth. But I just don't know how to make it smooth? W

Electromagnetic Design and Simulation :: 03-10-2006 21:14 :: Ruritania :: Replies: **7** :: Views: **1817**

I want to simulate a simple power **distribution** network using MATLAB 7.0 but I dont know where to start. Can anyone please suggest some good reference material and some examples or something ?

PC Programming and Interfacing :: 04-09-2006 14:59 :: ibrahim03 :: Replies: **1** :: Views: **2114**

I would like to plot 256 values from 0 to x that follow an **exponential** curve.
Could somebody please help.

Mathematics and Physics :: 04-23-2006 12:42 :: btbass :: Replies: **5** :: Views: **1439**

i need the refrences on:
1- normal **distribution**
2- log-nromal **distribution**
3- poisson **distribution**
thx

Electronic Elementary Questions :: 05-04-2006 00:46 :: mohamed77 :: Replies: **2** :: Views: **1131**

i need the refrences on:
1- normal **distribution**
2- log-nromal **distribution**
3- poisson **distribution**
thx

Electronic Elementary Questions :: 05-04-2006 00:46 :: mohamed77 :: Replies: **2** :: Views: **812**

Does anybody know the statistical **distribution** of the forward voltage of white phosphor leds ? Blue leds ?
I have tried several of the manufacturers, but to no avail.
I also wonder if anyone has noticed any effects that may suggest that there has been extensive selection of specific voltages from the expected range ?
Thanks.

Analog Circuit Design :: 05-10-2006 13:56 :: humber :: Replies: **1** :: Views: **745**

hello,everybody:
in the cellular phone system, the output of TCXO will serve RX, TX and baseband circuit. How to design this clock **distribution** network. Are there some points we must care.

RF, Microwave, Antennas and Optics :: 05-11-2006 02:51 :: forrest04 :: Replies: **0** :: Views: **560**

I have attached 2 Layout configurations below. The red rectangle is the pass transistor and the blue rectangles are the Pads that contact the transistor source and drain fingers. The Dark Green area marks the top metal connected to the IN pads and the light green area marks the top metal connected to the OUT pads.
So which configuration of t

Analog IC Design and Layout :: 05-18-2006 02:43 :: aryajur :: Replies: **0** :: Views: **828**

I wanna write a script with using matlab, which calculates the cummulative **distribution** function of the given input but i don't have any idea about this.I know that there is prepared function in matlab (cdf) but I have to write because this is homework.Thanks

Digital Signal Processing :: 06-08-2006 14:46 :: meto :: Replies: **2** :: Views: **3181**

Hi
In communications, the purpose of using **exponential** signals instead of sinosuid ones is to use both halves of signal spectrum(Negative and Positive sides of spectrum).
For example an FSK signal can not simply downconverted to DC. because its spectrum is not symmetric around its center frequency, so you should downconvert it with exponentia

Digital Signal Processing :: 06-20-2006 03:40 :: Circuit_seller :: Replies: **4** :: Views: **3521**

Is the **distribution** of the chargs on the antenna is the same as the current **distribution**? and why we do the mesh for the antenna during the modelling?

RF, Microwave, Antennas and Optics :: 07-09-2006 07:26 :: anwertamimi :: Replies: **1** :: Views: **619**

Dear all,
Hi,
simulation of gaussian noise in Matlab (as we do in general) is not difficult.
but in many application we face the non-gaussian noise such as ADSL or Underwater channels. in these cases we can use alpha-stable **distribution** to simulate impulsive noise. alpha-stable **distribution** is very usefull in many applications.( below, I r

Digital Signal Processing :: 07-19-2006 04:43 :: sgr :: Replies: **1** :: Views: **2228**

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