Does anyone have a good pic from a small sensor which can be used in Wireless Sensor Networks?

More Morteza Mohammadi Zanjireh's questions See All

Is it possible to add a source term to the momentum equation in ANSYS CFX?

I want to add a source term as a body force to the momentum equation in Ansys CFX for modeling the VGs and I don't know how do it !!

21 February 2021 2,971 4 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

Is there any publication about the effect of basketball and volleyball on body height?

Many people believe that some stretching sports with vertical jump such as basketball and volleyball can increase the body height. On the other hand, others do not agree with this argument. The...

02 February 2021 281 6 View

What aspects of communication skill improves significantly regarding to the Autism Spectrum Disorder using PECS?

Children with ASD need a clear and effective way to communicate to reduce frustration and replace challenging or unacceptable behaviours (Beukelman and Mirenda, 1998; Webb, 2000). Augmentative and...

19 January 2021 1,160 3 View

Hi, I have a question about the calculated band structure for 2Dmaterials?

please help me to choose the best source and theoretically calculate band structure for 2Dmaterials( graphene, MoS2,...)? thanks a lot.

12 January 2021 2,748 3 View

How to save data files with .dat format instead of .dat.h5 format in transient simulation by ANSYS Fluent autosave option?

Hello everyone, I am using the ANSYS 2020 R2 version. I am simulating a transient setup, and I set an autosave. but the solver gives me .cas.h5 and .dat.h5 files instead .cas and .dat format....

11 January 2021 3,033 3 View

2) How can online learning be enhanced in the context of Covid-19 disease?

Although online education is a good alternative to the face-to-face education system in critical situations such as the current situation, but due to the sudden occurrence and rapid spread of the...

11 January 2021 3,734 4 View

Is it possible to introduce a 2D axis-symmetric model in COMSOL Multiphysics to solve electromagnetic waves?

Hello dear researchers. I want to solve a cylindrical waveguide, lick an ordinary standard optical fiber. I am familiar enough with the 2D-axis-symmetric model, but as I knew from the equations...

11 January 2021 6,663 6 View

How to select negative values in row?(at least two negative values & more together) in Rstudio?

hello my dear friends i have a time series includes 324 month (SPI values) i wanted to extract and select them like this picture in R studio, i don't have any idea which package or command to use...

20 November 2020 916 4 View

Effect of anesthetics drugs on coronavirus patients?

What is the reason for the ineffective or insignificant effect of Neuromuscular relaxants such as Atracurium and anesthetics such as Ketamine on patients with Coronavirus hospitalized in the...

22 September 2020 5,734 4 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 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

How to sample data to increase presence of solar panels in the images?

I am working on creating deep neural network on geospatial dataset and wanted to know how to do the sampling so that I can increase the presence of solar panels in the images. I cannot use entire...

25 February 2021 3,936 6 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View