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Questions related from Vikesh Shivik
I Have a LVM (LABview) measuremntr file and i want to add channel names to it( as shown) in the attached picture. How can I do that in labview?. I am using the situation as shown in the loop for...
29 October 2017 4,879 3 View
I am looking for a labVIEW program that can read data from an R&S NRP-Z81 USB power sensor or any R&S usb sensor?. IS there someone who has such an program available ?
10 October 2017 6,780 0 View
I am making an Electric field intensity map, just as a heat map. Showing on diffferretnt locations on the dek of a ship the measured field intensity. The field probe has a gps sensor atatched to...
05 October 2017 5,580 3 View
I have the a matlab file and data, I need to integrate and determine the frequency where 95 % of the power is contained, this is the maximum doppler frequency. Since I have no expierence with...
30 June 2017 6,126 1 View
I want to know how can the coherence times of a 3.5 GHz channel can be scaled to a 800 Mhz channel? Can someone give me an idea?.
19 June 2017 4,239 6 View
I have measured and analyzed data in urban and suburban environments of a wireless communication system. now I want to know if my analyzed data is correct. What would you except for the coherence...
18 May 2017 6,315 2 View
I have the measured data from a vector network analyzer. I need to do a autocorrelation in time on this data. After that I need to look at the time span over which the signal level is -3dB from...
16 May 2017 6,542 4 View
I have done a time sweep and measured S21(t) in a reverberation chamber. I am now looking for the mathematical relationship to determine the Doppler shift and the coherence time?
10 May 2017 5,660 0 View
What are the reasoms to prefer a half wave dipole antenna over one wavelength antenna?
06 May 2017 6,273 11 View
What is the main difference between the boundary integral equations method, finite elements method and FDTD method- Antennas ?
30 April 2017 3,897 6 View
How can i get the coherence bandwith directly from the S21versus frequency measuremnet?
26 April 2017 2,492 1 View
I need to determine the coherence bandwidth and coherence time of an NLOS situation, where measurements will be conducted in a reverberation chamber. I want to use a method of measurement from...
25 April 2017 755 0 View
If there is an very narrow band system that experiences ultra fast fading with fading dips leading to phase fluctuations how does this increases the signal bandwith?
11 April 2017 6,671 3 View
If there are two resonant (λ/2) electric dipoles parallel to the z-axisseparated by a distance d of 63 mm on the x-axis (and thus both are on y=0).If both dipoles are excited by a, equal in...
11 April 2017 1,973 4 View
I have a linear array of 8 dipoles, all separated by the same distance, if 10 mW of total power (for the sum of elements)would be used, and we can assume the receiver has 0dB gain and a signal of...
10 April 2017 1,560 5 View
What are the expressions for the TM02 mode of an step index optical fiber for Z, r and ϕ components?
09 April 2017 7,570 3 View
How do I determine which type of dispersion is important for step index optical fiber if the group index of HE11= group index core material?
09 April 2017 2,195 3 View
For a single mode optical fiber having Δ= (n1- n2) /n1. What happens with the zero dispersion wavelength if Δ increases?
07 April 2017 9,137 4 View
For a single mode optical fiber having a step-index refractive index profile, therelative refractive index difference Δ between the core (refractive index n1 )and cladding (refractive index n2) is...
05 April 2017 7,933 4 View
chapter 11(antennas) of this book: Field and Wave Electromagnetics: Pearson New International Edition - David K. Cheng. ? So far I only found online versions limited to chapter 10
05 April 2017 2,943 2 View
Which parameters are useful to determine for an Ultranarrowband system with static RX and TX but dynamic environment ? Power delay profile, Doppler spectral density, RMS delay spread, coherence...
05 April 2017 1,164 1 View
