Rho-theta is a term used in aviation navigation for a location method (or even a group of locating methods) based on the measurement of coordinates (direction...
2 KB (164 words) - 15:57, 13 April 2022
{\displaystyle s(\rho ,{\hat {\rho }})=KL(\rho ||{\hat {\rho }})=\rho \log {\frac {\rho }{\hat {\rho }}}+(1-\rho )\log {\frac {1-\rho }{1-{\hat {\rho }}}}} or...
43 KB (5,547 words) - 14:21, 16 August 2024
moving through the air. In conjunction with winds aloft it is used for navigation. Equivalent airspeed (EAS) is true airspeed times root density ratio....
14 KB (1,857 words) - 21:59, 8 February 2024
{\begin{aligned}x&=x_{0}+r\sin \theta \;\cos \varphi \\y&=y_{0}+r\sin \theta \;\sin \varphi \\z&=z_{0}+r\cos \theta \,\end{aligned}}} The symbols used...
41 KB (5,328 words) - 17:48, 16 August 2024
Decca Navigator System (redirect from Decca navigation)
determined their positions more precisely but would not have suffered from the rho-theta position errors inherent in VOR/DME. Other chains were established in...
30 KB (4,323 words) - 00:01, 13 January 2024
{\boldsymbol {\theta }}}&=-\cos(\theta ){\dot {\theta }}{\hat {\mathbf {x} }}-\sin(\theta ){\dot {\theta }}{\hat {\mathbf {y} }}=-{\dot {\theta }}{\hat {\mathbf...
57 KB (8,170 words) - 14:39, 18 July 2024
π 2 ρ f r 5 {\displaystyle L={\frac {16}{15}}\pi ^{2}\rho fr^{5}} where ρ {\displaystyle \rho } is the sphere's density, f {\displaystyle f} is the frequency...
93 KB (13,467 words) - 00:23, 13 August 2024
{\frac {\omega }{k}}=v_{A}\cos \theta } where v A = B 0 μ 0 ρ {\displaystyle v_{A}={\frac {B_{0}}{\sqrt {\mu _{0}\rho }}}} is the Alfvén speed. This branch...
43 KB (5,251 words) - 16:31, 7 August 2024
− G D C ) {\displaystyle f(Z,\theta )=2\pi ^{-(N/2)}e^{-{\frac {1}{2}}(Z-GDC)^{T}(Z-GDC)}} where θ {\displaystyle \theta } is the estimated odor source...
21 KB (3,129 words) - 13:13, 18 August 2024
{\displaystyle f(\Theta )} might be: f ( Θ ) = 2 π cos 2 Θ , − π / 2 ≤ Θ ≤ π / 2 {\displaystyle f(\Theta )={\frac {2}{\pi }}\cos ^{2}\Theta ,\qquad -\pi...
49 KB (6,139 words) - 18:26, 8 May 2024