Why would prefer to use a Gaussian pulse in generating Ultra Wide band (UWB) signal ?

Why would prefer to use a Gaussian pulse in generating Ultra Wide band (UWB) signal ?What are the characteristics of this pulse compared to the rest of the pulse, for example the rectangular pulse?

08 September 2017 8,477 1 View

How can implement 16-QAM in optisystem software ?

02 March 2017 9,024 0 View

How can mesh the signal of (UWB) with (OFDM) ?

01 February 2017 1,948 2 View

Why use a Gaussian waveforms to generate Ultra wide band (UWB) ?

31 December 2016 2,312 3 View

How can generate UWB optically ?

31 December 2016 4,563 1 View

Whats mean All optical OFDM super channel ?

Hello for all, I want to know the working principle of (All Optical OFDM) and what it means (Super channel) and what is its impact on OFDM . Thank you to each one provides any information to help...

11 December 2016 9,334 0 View

What is the diffrence between optical OFDM and All optical OFDM ?

11 December 2016 4,595 2 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

No title

25 February 2021 5,713 1 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View

What is the stability of 2 3-dihydroxyquinoxaline in acidic water?

I'm developing a UHPLC assay, and the fluorescent product is 2,3-dihydroxyquinoxaline. The reaction to produce this requires hydrochloric acid (about 1.2 M). Will storage in this acidic...

20 February 2021 5,820 4 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

How to calculate the Atomic Polar Tensor using DFT ?

Dear friends, I am a beginner at DFT calculation. I have done a structure optimization using DFT- B3LYP/6-31G*, Nevertheless, I don't know How to calculate the Atomic Polar Tensor (APT) in...

17 February 2021 9,082 3 View

Access to supercomputer resources in India?

Hello everyone, I want to perform some gaussian calculations and want to use Materials studio for my research work. Can anyone guide me how to get access to supercomputer resources in India for...

15 February 2021 8,264 3 View

Why we use feature normalization before using the Gaussian kernel in SVM?

Support vector machine

09 February 2021 6,405 3 View

Does Gaussian 09W software take too long to give a result if we have a large chemical structure ?

DFT - gaussviev - gaussian09W - HOMO - LUMO

08 February 2021 6,012 5 View