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86 Threads found on edaboard.com: **Minimum Distance**

how to calculate the **minimum** separation between body and wearable antennas. if it's very small the absorption because of body will be high and and also it effects the input impedance and the radiation pattern of the antenna.
one good approximation is to be keep the **distance** of (2d2/lambda) from the body for which results are close to a free space

RF, Microwave, Antennas and Optics :: 01-04-2017 10:34 :: prateek3790 :: Replies: **2** :: Views: **503**

Which one to choose Bluetooth or wifiAs the 2 options are considered, some of your requirements points to the Bluetooth option ( short **distance**, just 2 files, **minimum** complexity ).

Microcontrollers :: 11-25-2016 15:48 :: andre_teprom :: Replies: **4** :: Views: **625**

Suppose I have 2 hard macros and both of them do not have any pins facing each other. In such a scenario, can I keep those 2 macros at close proximity? Or is there any **minimum** **distance** criteria even if there are no pins on the face to face sides of the hard macros?

ASIC Design Methodologies and Tools (Digital) :: 08-17-2016 10:22 :: biju4u90 :: Replies: **3** :: Views: **421**

Hi, All,
I found a UWB chip as attachment.
Now I want to know:
1. Its **minimum** detect **distance**. I know the maximum **distance** can be calculated by PRF etc, but how to calculate the **minimum** detect **distance**?
2. How to calculate the resolution of the UWB radar?
3. What's the difference, which impact detect (...)

RF, Microwave, Antennas and Optics :: 06-08-2016 00:15 :: tony_lth :: Replies: **2** :: Views: **410**

Hi all! I'm coding for a real time face recognition application in Matlab. I have written the algorithm for face recognition and it calculates the maximum and **minimum** euclide **distance** values. Upto that point it works fine. But I'm stuck on how to distinguish faces using these values. Any help is appreciated.

Digital Signal Processing :: 10-16-2015 02:35 :: ADGAN :: Replies: **0** :: Views: **721**

hi all.
i want to design a twisted waveguide (WRD650).
i saw in the manufactured twisted waveguides that the manufacturers set the length of the waveguide about twice times of maximum wavelength. i have to design it with shorter length. is there any rule of thumb for designing twist waveguides?
thank you in advance

RF, Microwave, Antennas and Optics :: 05-25-2015 10:23 :: J.C.Maxwell :: Replies: **3** :: Views: **577**

max **distance** with **minimum** power can be traded off with speed of data and modulation.
IR wavelength does not matter much as long as receiver bandwidth includes transmitter and you have a daylight blocking filter.
Path loss is inverse squared, so smallest beam angle in emitter is desirable
Power per bit can be computed as VI*t from transmitt

Digital Signal Processing :: 09-08-2014 23:39 :: SunnySkyguy :: Replies: **1** :: Views: **492**

You have to considere the "spot area" of ultrasonic sensor depending of the **distance**..
maybe you can place your sensor at 220 cm instead 300cm ..
99,99% of people will pass under without problem.. for taller people , cut the head!
so you will have **minimum** of spot diameter corresponding to the head top surface.
this system use 2 device , one emitte

Microcontrollers :: 06-26-2014 17:37 :: paulfjujo :: Replies: **5** :: Views: **1561**

but now i have picked it and i will have to do it so please guide me in designing an antenna which can receive a **minimum** 1mV at a **distance** of **minimum** of 40 meters.
what power and voltage you need? What application is this?! If you will be more specific somebody can tell you solution!

RF, Microwave, Antennas and Optics :: 06-05-2014 10:40 :: js :: Replies: **34** :: Views: **2437**

do you really want to adjust the panels tilt angle, or determine the **minimum** **distance** between panels?
The reason for tracking is to maximize solar collection, but if you are adjusting the angle , it is conflicting with the objective!

Microcontrollers :: 04-02-2014 02:41 :: kam1787 :: Replies: **3** :: Views: **747**

Hamming codes are single-error correcting codes, so the **minimum** **distance** is 3.
Adding another parity bit, it is possible to increase the **minimum** **distance** to 4 and detect double bit errors.
Look for "extended Hamming code".
Regards
Z

Digital communication :: 02-27-2014 17:27 :: zorro :: Replies: **4** :: Views: **996**

Hi, I've used Cadence 5 and there used to be option to dynamically highlight DRC errors as yellow polygons. For example, if you 'move'ed the transistor too close to another Pcell transistor such that you were violating the DRC for **minimum** **distance** between two layers, there would appear a yellow box showing the DRC.
However, I recently used Caden

Analog Integrated Circuit (IC) Design, Layout and Fabrication :: 02-22-2014 18:54 :: speedbooster :: Replies: **2** :: Views: **1618**

While laying the Medium Voltage electrical cables especially Underground is there any standard exists who tell about the **minimum** **distance** of straight joint that can be installed to join the MV cables.
There is nothing either good or bad but thinking makes it so. (William Shakespeare).

Power Electronics :: 02-12-2014 07:28 :: tipu_sultan :: Replies: **0** :: Views: **1519**

You can put then very close together (with the smallest separation), but what do you actually want to achieve?
-maximum gain given a **minimum** number of patches?
-Relative clean pattern (with or without feed taper)?
When you place them very close together (for example using high dielectric substrate), you will have large interaction and increased de

RF, Microwave, Antennas and Optics :: 12-24-2013 22:56 :: WimRFP :: Replies: **4** :: Views: **763**

did you reassign a conductor (bottom) as radiation instead of conductor? double check ports. something is wrong in the -20dB case. look through the help pages about radiation boundaries for the conditions you should meet. there's something about **minimum** **distance** from conductors. Also with no boundaries assigned the outer box is perfect conductor.

Electromagnetic Design and Simulation :: 09-11-2013 14:21 :: reidintransit :: Replies: **4** :: Views: **2263**

Are you looking for the **distance** between the (point A) and a the (point B) on the line segment that is the **minimum** **distance** from the (point A), or are you looking for the **distance** between (Point A) and the mid point of the line segment?

Mathematics and Physics :: 07-31-2013 20:15 :: Kral :: Replies: **6** :: Views: **1009**

...If a convolutional code is said to correct 2 errors what does it mean exactly ?...
The amount of detectable bit errors is related to **minimum** **distance** d parameter.
For instance, d=2 means that 2 bits can be

Digital communication :: 07-13-2013 22:22 :: andre_teprom :: Replies: **5** :: Views: **938**

Hi
In order to do error correction of even a single bit you require **minimum** **distance** of code to be at least 3. By Hamming bound you can easily find that for un-coded data length of 8 bits, **minimum** redundancy required is that of 4 bits. So, you cannot correct errors with only three bits of redundancy. If you add one more bit to the code (...)

Digital communication :: 06-06-2013 10:22 :: MHanif :: Replies: **1** :: Views: **570**

Can we presume that track widths and **minimum** **distance** design rules have been choosen according to electrical requirements (voltage and current)? Then it should be O.K.
Reviewing some layout details, I have doubts about a plausible selection of trace widths. But that's just a guess that can't be checked without a schematic.

PCB Routing Schematic Layout software and Simulation :: 05-31-2013 18:40 :: FvM :: Replies: **8** :: Views: **948**

Hi all,
I need to find the **minimum** **distance** that is covered by the Co secant square pattern antenna,
please let me know if there are any calculations regarding the same.

Digital Signal Processing :: 05-09-2013 11:02 :: shashy.br :: Replies: **0** :: Views: **476**

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