Are there any NFC researches in a Sri Lankan context?

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Does anyone have experience in using AVL simulation software specifically AVL Cruise M?

currently I am trying to model and engine system where i want to simulate it using Cruise M and then to test it with different fuels to observe the behavior of said engine. I am having issues with...

06 April 2024 124 1 View

How to Recognize Different Emotions Using Heart Rate Variability Signal Features?

For research purposes, I need to determine how citizens perceive space through user experience; to do so, I need to identify different emotions using Heart Rate Variability Signals or ECG data. I...

04 January 2024 7,001 4 View

What is the importance of cleaning the site with 70% alcohol before taking a skin scraping, especially from the soggy and purulent lesions??

Routine isolation and identification of aetiological agents of Superficial Mycoses is of utmost importance in a tropical, humid country densely populated compared with the available land area....

27 September 2023 3,456 14 View

What are the types of leaves which the outer skin ( epidermis) transparent to mid infrared frequencies?

Most of the leaves reflect mid and far infrared radiation. But there may be few types that their outer layer is transparent to mid or far infrared.

16 August 2023 2,891 1 View

Is there a Sub-ambient radiative cooling paint or coating available commercially?

There are many white coatings or solar coatings available commercially, but is there a radiative cooling paint available commercially?

09 June 2023 3,645 3 View

Can biophysical/ optical properties of leaves could be modified by genetic engineering?

By genetically modifying we can alter some properties of plants. But can we modify the biophysical, optical or thermal properties of leaves?

30 May 2023 1,035 3 View

Access and administration of the revised (KMPAI)?

HI all, I need to access revised (KMPAI) and use it for my dissertation for my MSc. Any advice on how to go about doing that? I've messaged Dr. Kenny already.

14 January 2023 9,482 0 View

Crystal Defects in Zeolites?

I need to analyze XRD data to discuss the crystal defects in zeolites which I have synthesized in different conditions. Can I use stacking fault value, microstrain, and dislocation density for...

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How to obtain an equation for the optimized model in ANN?

Hi Everyone, Could you please suggest to me how to obtain an empirical equation that shows the relationship between input and output variables in ANN? I used the following in MATLAB, and I am...

28 December 2022 9,110 3 View

How to quantify elements using narrow scans in CasaXPS?

I'm trying to quantify elements using XPS narrow scans. I need to get the standard deviation of At% too. I understand that the CasaXPS gives us the standard deviation of At% when quantified using...

29 November 2022 9,606 3 View

I have designed a loop antenna in CST at NFC(13.56 Mhz) in CST. The designed antenna is working good at 3GHz. Why simulation stuck in MHz?

An error message is " Simulation takes longer time" and "Check your units and frequency", However, antenna dimensions at Mhz. Kindly give your valuable suggestions

31 January 2024 6,274 2 View

Which tool is better for NFC antenna simulation of operating volume and performance? FEKO, CST or HFSS?

During the antenna design I came across these three simulation tools that can be used to evaluate performance of RF antenna design, I am more concern about NFC Antenna design and performance so if...

23 January 2024 2,222 2 View

Please guide, How i can solve this problems ?

23 July 2023 5,593 1 View

What software is suitable to design serpentine structure?

Hi guys.. I need to draw a serpentine structure for my NFC antenna design. But using CST is quite difficult to draw varieties of serpentine structure. Does anyone knows the suitable methods and...

17 May 2023 2,636 0 View

Developing a 5G Gateway for SPNs with different Access Technologies (connecting sensors/actuators via Bluetooth,NFC, Wifi, LoRa etc GW with Pi?

Hi Researchers, I am doing my master's thesis on the below topic and I need your help in gathering information on this topic. Please help. Thanks in advance Developing a 5G/6G Gateway for SPNs...

02 November 2022 7,408 1 View

Do rectifiers in passive NFC/RFID chips include shunt diodes and series diodes?

I am trying to understand the structures of modern passive NFC/RFID chip rectifiers. Any help would be appreciated.

14 February 2022 1,270 2 View

Can you provide guidance on finding applications and implementations of passively powered long range RFID/NFC utilizing hysteretic switches?

I am looking for real world examples of passively powered RFID and NFC chips that are "long range" and utilize hysteretic switches. Any help would be much appreciated.

10 February 2022 5,710 1 View

NFC Antenna simulation and actual measurement does not match well. Anybody can help?

Hi, I am simulating a NFC antenna (planar coil inductor) on a polyimide substrate in HFSS and comparing the input impedance/smith chart of the simulation with the fabricated sample. I checked the...

28 December 2021 9,668 12 View

How to check NFC Antenna inductance in HFSS?

Hello, I have simulated a NFC antenna in HFSS. But I dont know how Ito check the inductance value of the NFC antenna in HFSS. Can anybody help in this regard?

03 December 2021 2,120 2 View

What should be the size of the radiation box while simulating an NFC coil in HFSS?

I am trying to simulate an NFC coil in HFSS. I have simulated it with air box dimensions as per the free space wavelength of 22m. As expected the simulation time is huge and also, I am not getting...

13 November 2021 6,289 4 View