Species identification from images: Flying fish, cephapods and jellyfish?

Hello there, We have a number of images taken at the surface and during blackwater dives during an expedition to the Sargasso Sea, August 2019. I am seeking experts that might be able to identify...

06 July 2020 4,958 4 View

My logcombiner doesn't work, either version within BEAST 2.5 or 2.6! Any ideas for an online platform, or perhaps a package in R?

I am trying to combine two runs from BEAST 2.6 and strangely my Logcombiner doesn't open. Surely there must be another package that can perform the same function? I have looked for earlier...

19 March 2020 7,701 3 View

Which metrics exist for comparison of multivariate normal distributions and what are their properties?

I'm working on comparing latent space representations of image patches which are encoded as multivariate normal distributions over the respective latent space. Which metrics - besides (symmetric)...

09 December 2019 6,079 1 View

XRD sin2Psi stress measurment. Why Sin2Psi=0 value does not match linear d-spacing behaviour?

31 March 2019 9,345 5 View

How can we measure postural sway with two force plates combined?

We would like two asses postural sway using two Kistler force plates combined, so that the participant stays with one foot on each force plate. We need some advice on how to adapt our Matlab...

05 March 2019 3,602 3 View

How do I make a comparison with overall population?

I have submitted a first draft of my dissertation where I say 7.5% of employed people who have declared a disability are deaf compared with 18% who have mental health difficulties. I try to say...

29 May 2018 8,994 3 View

Help with Excel data analysis please?

I am trying to analyse responses using the 'other, please specify' answer in my survey.. I'm not an Excel expert so I'm trying to figure out how best to do this, can anyone help? Also, could...

15 May 2018 7,938 5 View

Is my sample too large?

There are 300 companies in the nation that offer the service my research is about. 280 of them provide a specific version of this service. Sorry I am being deliberately vague as I do not want to...

23 January 2018 9,532 8 View

What is the default method is for generating a cubic spline interpolation over a histogram in R (spline function)?

I have used a histogram as a density estimator and fitted a spline using R. My understanding is that the spline function gives a cubic spline interpolation, but I did not specify what method to...

15 January 2017 3,009 4 View

Failing WB protein extraction protocol with no apparent cause?

14 June 2016 5,024 5 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

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Genome-wide gene identification protocol ?

Is there any book chapter/book, webpage or research article available to understand genome-wide gene identification?

28 February 2021 8,095 1 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View