A construction method of space-based pulsar navigation database
A technology of pulsar navigation and construction method, which is applied in the field of spacecraft autonomous navigation, can solve problems such as the construction method of space-based pulsar navigation database that has not yet been retrieved, and achieve the best observation effect
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[0030] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0031] Such as figure 1 Shown, the process that the present invention realizes the construction of space-based pulsar navigation database is:
[0032] (1) Establish single-segment observation accuracy ε and observation cycle t obs , effective detection area A d And the relationship between the pulse amount parameter PSR: ε=ε(t obs ,A d ,PSR); the pulse quantity parameter PSR is (δ,α,p f ,W,P,R s , R b ), where δ and α are the angular positions of the pulsar: δ is the declination of the pulsar, α is the declination of the pulsar, and p f Is the pulse ratio, W is the half-height width of the pulse, P is the pulse period, R s is the pulse signal source flow rate, R b is the background noise flow; ε(t obs ,A d ,PSR) calculation formula is:
[0033] ϵ = W [ ...
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