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## Fundamental Period |

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1000 Threads found on edaboard.com: **Fundamental Period**

have a doubt reg checking DT **period**ic sequence:
x=cos(pi* (n)^2 / 8 )
it is **period**ic ofcourse, but in the solution manual its **fundamental** **period** is mentioned as 8.
but i got **fundamental** **period**=N=(2*pi/ omega )
in this case, N= (2*pi / (pi/8) ) = 16.
does anybody know (...)

Digital Signal Processing :: 03-28-2009 01:43 :: rramya :: Replies: **10** :: Views: **11570**

The greatest-common-divisor of f1 and f2 is the **fundamental** frequency; the least-common-multiple is the **fundamental** **period**.
I think the first example is what you're looking for:

Digital Signal Processing :: 07-08-2012 21:21 :: enjunear :: Replies: **1** :: Views: **2210**

the scaling in the time in the angular frequency never hampers the **period**icity it just alters the **fundamental** **period** of the signal
that is cos t is **period**ic
and also cos 2t is **period**ic
both have only 1 difference that is their **fundamental** **period** differs in both the case (...)

Electronic Elementary Questions :: 09-15-2012 12:46 :: jeffrey samuel :: Replies: **6** :: Views: **814**

Hi all,
i am new to Matlab.Could anyone help me to generate and plot the below 3 sequences using Matlab "stem" function What should i define in my script?
x1=sin(0.6Пn+0.6П)
x2=sin(0.68Пn)
x3=3sin(1.3Пn)-4cos(0.3Пn+0.45П)
thanks alot
regards
scdoro

Digital Signal Processing :: 01-16-2006 09:46 :: scdoro :: Replies: **2** :: Views: **2314**

Hi all,
i am new to Matlab.Could anyone help me to generate and plot the below 3 sequences using Matlab "stem" function
qn1) What should i define in my script?
qn2) how do i obtain the **fundamental** **period** by just observing the graph?
x1=sin(0.6Пn+0.6П)
x2=sin(0.68Пn)
x3=3sin(1.3Пn)-4cos(0.3Пn+0

Digital Signal Processing :: 01-17-2006 04:20 :: scdoro :: Replies: **0** :: Views: **595**

Note that
For a discrete-time signal to be **period**ic it has to satisfy
x=x where N is the **fundamental** **period** and the condition on it is that it should be an integer.
For a continuous-time signal to be **period**ic it has to satify
x(t+T)=x(t) where T is the **fundamental** **period** and there is no r

Electronic Elementary Questions :: 02-17-2006 02:34 :: purnapragna :: Replies: **3** :: Views: **26719**

Ok, I located the example problem. Frankly, I dont understand your question. Are you speaking about Figure 3.7?
The figure explains the effect of different **fundamental** **period** T of the rectangular pulse. If T = 4T1, meaning, the rectangle pulse lying in the origin extents from -2T1 to 2T1 and if T = 8T1, then same lies between -4T1 to 4T1.
In

Digital communication :: 06-02-2007 14:56 :: cedance :: Replies: **4** :: Views: **1588**

Is x = cos **period**ic. If yes, find its **period**
The answer given is: **period**ic. **period** =8
How to solve this problem?
since ω=2Πf
assume signal is cos wn
so f=1/8
since f is expressed as the ratio of 2 inteer so it is periadic we have the condition of **period**icity f=k/N
where N is (...)

Electronic Elementary Questions :: 01-16-2008 11:05 :: sundarmeenakshi :: Replies: **3** :: Views: **590**

If you cascade self-multipliers you can get the higher order tones
but I think you will be hard pressed to keep them in the phase
you'd like, across a wide / high frequency range. You would
want the natural delay through the multipliers to be much, much
less than the **fundamental** **period** (few degrees, more like)
if you want to see a pretty squ

Analog IC Design and Layout :: 08-24-2010 10:13 :: dick_freebird :: Replies: **3** :: Views: **511**

dddddddddddddddddddddddddddddddddddddd

Digital Signal Processing :: 09-30-2010 00:40 :: gpffhdnzz :: Replies: **0** :: Views: **619**

Why does autocorrelation function approach zero at the **fundamental** **period** of a signal?

RF, Microwave, Antennas and Optics :: 03-25-2011 02:54 :: pushpanjali sharma :: Replies: **0** :: Views: **524**

I'd use the cross() calculator function looking for the right-sense
zero crossings, and do the arithmetic to turn time into degrees.
Timebase being the **fundamental** **period** of whichever phase you
call the master reference.

Analog Circuit Design :: 06-18-2012 11:54 :: dick_freebird :: Replies: **9** :: Views: **614**

Need help here what is the **fundamental** **period** for sinπt???
I got it down to T=6/(2n-1) and i am confuse from here on :(

Digital Signal Processing :: 03-21-2013 11:22 :: yjlum :: Replies: **5** :: Views: **357**

Well if you're just simulating, then it should be a matter of getting the raw data and dumping it into matlab, then doing an FFT. Or you could build the simulation entirely in matlab. Try to make sure that either the duration of the sampled data is an exact integer multiple of your **fundamental** **period**, otherwise you'll end up with an incorrect resul

Power Electronics :: 04-03-2013 08:48 :: mtwieg :: Replies: **5** :: Views: **611**

I read in a book that discrete time signals are **period**ic only if 'f' is a rational number. Why doesn't this rule apply for continuous time signals? For a continuous time signal x(t)=Acos(2πft) , let 'T' be **fundamental** **period**. Consider x(t+T) = Acos(2πf(t+T)) = Acos(2πft+2πfT)
By **period**ic property (...)

Digital Signal Processing :: 09-28-2013 11:07 :: KruthikaMithra :: Replies: **1** :: Views: **299**

Hi everyone.
Hoping someone has the time to explain this to me.
After taking an N-point FFT, I'm left with the Fourier Coeff's of each frequency bin and can calculate the fequency with a little math. No problem. But if I try to reconstruct the original signal, it always seems to be shifted in frequency. Will someone please help me understand?

Digital Signal Processing :: 03-19-2014 07:59 :: youngguns21 :: Replies: **0** :: Views: **241**

Hi,
one way is to sample a lot of data (2^n) and perform an FFT.
find the **fundamental** frequency. calculate it´s amgnitude.
Then find all harmonics (overtones) to the **fundamental** frequency (upto the upper specified frequency), and add them up.
Now divide (sum of harmonics) / **fundamental** to get THD.
Klaus

Microcontrollers :: 09-19-2014 07:54 :: KlausST :: Replies: **17** :: Views: **577**

Thanks. Sorry for the confusion. Those statements are from Cadence tutorial. Here is the page:
I have read some articles about PSS analysis and here is my understanding relating to **fundamental** frequency.
Take an example of an circuit including two sources, source1 900MHz and source2 10M

RF, Microwave, Antennas and Optics :: 11-14-2013 10:25 :: anhnha :: Replies: **2** :: Views: **138**

I want to measure th etime **period** between two signals ( rst and cs )
my FPGA is connected to push button switch (sw) to initialize the counter with zero and also connected to 7 segment to display the results
My design uses a counter signal ranges fro 0 to 1048580
--------------
my code is below :
--------------
library IEEE;
use IEEE.std_lo

PLD, SPLD, GAL, CPLD, FPGA Design :: 12-08-2003 12:02 :: Santos san :: Replies: **2** :: Views: **1432**

Hi,
I need to measure **period** of a waveform which varies from 300ns to 5us. Suggest options for FPGA or any other simple ways.
Thanks and regards
Itp

PLD, SPLD, GAL, CPLD, FPGA Design :: 03-04-2004 23:25 :: ITP :: Replies: **3** :: Views: **850**

hai anyone can suggest me a good website contain info about **fundamental** in electronic tq...

Analog Circuit Design :: 06-12-2004 21:38 :: bor :: Replies: **1** :: Views: **624**

IF you use a cystal under 30Mhz , the cystal will work at **fundamental** mode. IF the frequence larger than 30Mhz, the crystal have to work at overtone model. the circuits for cystal of fundametntal mode and overtone mode is difference!

Analog Circuit Design :: 08-11-2004 23:10 :: sadfish :: Replies: **2** :: Views: **1117**

The **period** is 1 second, duty is 10%(100ms).
How to design such square wave osc and integrated on one chip?
Thank you

Analog IC Design and Layout :: 09-18-2004 03:27 :: leonken :: Replies: **4** :: Views: **1449**

Who can tell me the solution of the **fundamental** of Power electronics?

Analog Circuit Design :: 12-30-2004 01:31 :: crystalc :: Replies: **1** :: Views: **1054**

Hi,
The calculator toll from spectre has a built in THD function which you will find if you selectthe RF option or in the "Special functions" menu. In order to use this function you have to perform a transient simulation for at least 20 **period**s of the input signal and then select the waveform on which you want to evaluate the distorsions, in inp

Analog IC Design and Layout :: 01-14-2005 02:29 :: cristianb :: Replies: **4** :: Views: **2033**

oh yeh you are rite...stupid i am... just dun realize the **fundamental** stuff..

Microcontrollers :: 01-20-2005 01:59 :: banh :: Replies: **5** :: Views: **586**

I am looking for some **fundamental** material on Orbit Perturbations
Thanks

Mathematics and Physics :: 02-22-2005 13:49 :: qsmzeeshan :: Replies: **1** :: Views: **1203**

Can any one help to solve:
The time to failure of a certain product is a continuous random variable with probability density function:(given in attchment)
Where t is time to failure in years
The manufacturer of that product is considering to offer a warranty; however they are willing to replace only 1% of all the products they sel

Mathematics and Physics :: 04-10-2005 09:44 :: danesh :: Replies: **1** :: Views: **625**

Hai Guys:
If I have a two tone at 200MHz and another at 201MHz, with LO frequency of 3.5GHz, what are the values of the **fundamental** tones and IM product tones for:
1. IP(3,1)
2. IP(3,2)
3. IP(5,1)
4. IP(5,2)
I hope you can guide me in calculating this values. Thank You
Rgds

RF, Microwave, Antennas and Optics :: 05-26-2005 14:41 :: hrkhari :: Replies: **1** :: Views: **779**

Hi,Everyone,
I Need some **fundamental** text about FORCE and Newtons Law so on.
Pls let me know some link or uplaod ebook here.
Thanks,
Isuranja

Mathematics and Physics :: 06-14-2005 02:47 :: isuranja :: Replies: **3** :: Views: **1003**

take
hi
i m writing a verilog code on that 1 controle signal should be there which will active after 16 clock cycle and only for one clock **period**.This control signal is used for select line of that MUX
will select value from x(suppose) up to 16 clock cycle after that it will select value from how

ASIC Design Methodologies and Tools (Digital) :: 08-24-2005 06:07 :: ravindra kalla :: Replies: **4** :: Views: **1126**

I have defined a net "a" as **period** 12ns in UCF file, This "a" net is not a clock net direct coming from a clock PAD or DCM, but is a mux output from several clock options, such as DCM clock output; clk PAD; clock divided from DCM output, etc.
I insert a bufg before the net "a", and declare it as a TNM_NET.
Because I have active frequency switch f

PLD, SPLD, GAL, CPLD, FPGA Design :: 09-22-2005 11:58 :: wkong_zhu :: Replies: **1** :: Views: **695**

Hi,
I am learning timing analysis, and came to this question. would appreciate if you can confirm my thought/learning. thanks.
since
Thold <= Tmindelay + Tclktoq,
I concluded that Thold requirement does not influence operating frequency at all. Is this correct ?
:oops:
I do think clock skew can induce hold violation, because

ASIC Design Methodologies and Tools (Digital) :: 11-03-2005 18:34 :: kslim :: Replies: **5** :: Views: **996**

I use FFT for processing audio data. I was find 1 frequency for 1 point. How we can find the **fundamental** frequency?. Is the highest Amplitudo? or what...?

Digital Signal Processing :: 12-22-2005 07:41 :: ChepRidwan :: Replies: **4** :: Views: **1180**

i need to do 2 tone test for LNA , i am doing HB simulation for 2 tones but i don't know how to find out the intercept point of '**fundamental**' and '3rd order harmonic'........can anyone help me ?
Please it is urgent ......

RF, Microwave, Antennas and Optics :: 01-20-2006 14:12 :: MK28 :: Replies: **2** :: Views: **3104**

Can the **period** of a **period**ic function be complex.

Mathematics and Physics :: 01-25-2006 23:47 :: neils_arm_strong :: Replies: **14** :: Views: **1295**

So suppose i have a LC tank with a cap of size 1 F . and a inductor of size 1 H.
they are place in parallel.
I feed in a pulse of current through an ideal current source.
I've drawn the picture in the
uploaded jpeg.
The output voltage osscillates for exactly 1 **period**. (I've simulated it in spice).
The voltage goes close to 0 afte

Electronic Elementary Questions :: 02-03-2006 12:43 :: eecs4ever :: Replies: **7** :: Views: **1420**

Hi everybody !!!
I want to run or open a file or a program in a **period**ically.
(eg: I mean that a file will run in every an hour **period**.)
How I can do that.
I don't want to use next software to do that.
Zaw

Software Problems, Hints and Reviews :: 02-19-2006 01:51 :: zawminoo :: Replies: **2** :: Views: **731**

hi,all
i am doing the simulation of a RC oscillator, in Nanosim . i want to know how i can measure the **period** of the clock output exactly in the turboWave . i have tried the TurboWave user manual ,but didn't get the answer .
thanks for your help !

Software Problems, Hints and Reviews :: 03-13-2006 22:12 :: sorata :: Replies: **0** :: Views: **542**

hi,all
i am doing the simulation of a RC oscillator, in Nanosim . i want to know how i can measure the **period** of the clock output exactly in the turboWave . i have tried the TurboWave user manual ,but didn't get the answer .
thanks for your help !

Analog Circuit Design :: 03-13-2006 22:54 :: sorata :: Replies: **5** :: Views: **893**

Elektor magazine UK edition issue july/august 2004 has a circuit like you want.
With a 10 MHz crystal and using a 74HC04 and some notch and high-pass filters, it can multiply the frequency by 9, obtaining 90MHz @ +13 dBm. Each stage of inverters and filters rejects the **fundamental** signal generated by a a squarewave oscillator and the high-pass

Analog Circuit Design :: 03-21-2006 16:23 :: rkodaira :: Replies: **7** :: Views: **1573**

Solutions for the
Alonso Finn **fundamental** University Physics???
Thank you

Mathematics and Physics :: 04-14-2006 19:07 :: gepla :: Replies: **1** :: Views: **3637**

Putting the timing constraint as 1.8 ns I did synthesis and PnR. the Design Compiler, Encounter successfully did SPnR. There are no violation in Primetime reports.
But when I run my post synthesis design in modelsim at this clock **period**, I get $ recovery errors. I can only run my design at 2.4 ns clock **period** correctly.
Can anyone explain me

ASIC Design Methodologies and Tools (Digital) :: 04-24-2006 06:18 :: maverick_mind :: Replies: **0** :: Views: **909**

Hi
What amount of baud rate error may be acceptable for a long time-**period** on an RS232 serial port?
In an earlier project, I have used 1% but it has worked rearly. the connection was faulty. after that, I had to replace the microcontroller's (PIC16F877) crystal to a "baud-rate-quarz". then it has worked fine.
Now, I cannot replace th

Microcontrollers :: 05-13-2006 14:01 :: buenos :: Replies: **6** :: Views: **5018**

Can someone provide **fundamental** theory & design of Xtal oscillator ?
Thanks a lot.

RF, Microwave, Antennas and Optics :: 07-12-2006 11:42 :: ajhsu :: Replies: **1** :: Views: **969**

Hii
for a D flipgflop, if the input is changing in latching **period** .... the output is ambiguous
now most of the time ... input signal given to FF is frm external circuitary ...
How shud v control input signal so tht this FAULT is avoided ...
in other words ... do v hac to consider this issue also ???
i will put it in other way ... tw

ASIC Design Methodologies and Tools (Digital) :: 09-20-2006 15:08 :: shiv_emf :: Replies: **5** :: Views: **710**

How can I determine the settling **period** of an Opamp/OTA?
How is it dependent on the 2nd dominant pole of the amp?
I have read the paper by C.T. Chuang "Analysis of the Settling Behavior of an Operational Amplifier," JSSC, Feb 1982, the analysis given in this paper is fairly complex to work on amplifier for a given range of settling time that can

Analog Circuit Design :: 11-14-2006 13:00 :: underclocked :: Replies: **1** :: Views: **565**

hi
it is stated here that in a QPSK system
the highest **fundamental** frequency present at the data input to the I or the Q balanced modulator is equal to one-fourth of the input data rate
how could this be true? although it is stated also that "the bit rate in either the I or the Q

Digital communication :: 11-16-2006 07:41 :: redhat :: Replies: **0** :: Views: **812**

Electrons are **fundamental** or quarks?in study of electronics?

Electronic Elementary Questions :: 12-05-2006 08:15 :: newneo :: Replies: **3** :: Views: **691**

here you can find the lecture notes and some exams which can be useful to learn more on **fundamental** of

Mathematics and Physics :: 12-25-2006 07:30 :: magicmercury :: Replies: **0** :: Views: **750**

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