CruisHertz| Internet on the Ocean
Team Updates
| clearall | |
| closeall | |
| clc | |
| prat = linspace(10^-11,10^-9,500); | |
| drec = linspace(0.1,1,400); | |
| lambda =1.25*10^-3; | |
| eta =0.7; | |
| R =24000; | |
| grec = zeros(length(drec),1); | |
| for i =1:length(drec) | |
| grec(i) =eta*(drec(i)*pi/lambda)^2; | |
| end | |
| gtrans = zeros(length(drec),length(prat)); | |
| for i =1:length(drec) | |
| for j =1:length(prat) | |
| gtrans(i,j) =1/grec(i)*prat(j)*1/(lambda/(4*pi*R))^2; | |
| dtrans(i,j) = sqrt(gtrans(i,j)/eta)*lambda/pi; | |
| end | |
| end | |
| figure() | |
| surf(prat,drec,gtrans) | |
| xlabel('Power ratio') | |
| ylabel('Receiver Diameter') | |
| title('Transmitter gain') | |
| shadinginterp | |
| view(2) | |
| figure() | |
| surf(prat,drec,dtrans) | |
| xlabel('Power ratio') | |
| ylabel('Receiver Diameter') | |
| title('Transmitter diameter') | |
| shadinginterp | |
| view(2) | |
| figure() | |
| holdon | |
| levels = min(min(dtrans)):0.9:max(max(dtrans)); | |
| contour(prat,drec,dtrans,levels,'ShowText','on') | |
| plot(prat,0.8*ones(500,1)) | |
| xlabel('Power ratio') | |
| ylabel('Receiver Diameter') | |
| title('Transmitter diameter') | |
| drec1 =0.8; | |
| grec1 =eta*(drec1*pi/lambda)^2; | |
| for j =1:length(prat) | |
| gtrans1(j) =1/grec1*prat(j)*1/(lambda/(4*pi*R))^2; | |
| dtrans1(j) = sqrt(gtrans1(j)/eta)*lambda/pi; | |
| end | |
| figure() | |
| holdon | |
| gridminor | |
| plot(prat,dtrans1) | |
| xlabel('Power ratio') | |
| ylabel('Transmitter Diameter') | |
| title('Transmitter diameter with receiver diameter of $d_{rx}=0.8m$') |
Oceanic buoys: -Image https://www.semanticscholar.org/paper/Follow-the-W...
-Costs: https://www.miros-group.com/blog/wave-buoys-pitfal...
Reliability of the source: Miros is a technology company that specialises in measuring the ocean surface.
The company provides sensors and systems for environmental monitoring to the global
offshore and maritime industry. Our portfolio of sensors provides accurate, real-time
data for weather-sensitive operations offshore, as well as offering input to asset
integrity systems and coastal monitoring. The primary applications of Miros sensors
include wave and current monitoring and oil spill detection.
Ship routes: https://www.researchgate.net/publication/299364282...
Plane routes: https://www.flightradar24.com/3.18,-6.01/2
Wifi 4G speed: https://www.verizonwireless.com/articles/4g-lte-sp...