• No results found

elliptical orbits

Static highly elliptical orbits using hybrid low-thrust propulsion

Static highly elliptical orbits using hybrid low-thrust propulsion

... static-highly elliptical orbits, termed Taranis orbits, is considered for continuous observation of high latitude ...Molniya-like orbits to any inclination required to optimally fulfill the ...

22

AN ANALYTICAL AND NUMERICAL TREATMENT OF INCLINED ELLIPTICAL ORBITS ABOUT A KERR BLACK HOLE

AN ANALYTICAL AND NUMERICAL TREATMENT OF INCLINED ELLIPTICAL ORBITS ABOUT A KERR BLACK HOLE

... circular orbits in the equatorial plane of the primary object [1–5], elliptical orbits in the equatorial plane [6–12], and an extensive body of research on circular or elliptical orbits ...

236

Static highly elliptical orbits using hybrid low-thrust propulsion

Static highly elliptical orbits using hybrid low-thrust propulsion

... highly-elliptical orbits enabled using hybrid solar-sail/solar-electric propulsion are ...proposed orbits, termed Taranis orbits, have free selection of Ôcritical inclinationÕ and use ...

35

Static highly elliptical orbits using hybrid low-thrust propulsion

Static highly elliptical orbits using hybrid low-thrust propulsion

... highly-elliptical orbits enabled using hybrid solar-sail/solar-electric propulsion are ...proposed orbits, termed Taranis orbits, have free selection of ‘critical inclination’ and use ...

34

Sun-synchronous highly elliptical orbits using low-thrust propulsion

Sun-synchronous highly elliptical orbits using low-thrust propulsion

... propulsion (SEP) and hybrid solar-sail/SEP systems respectively. Previous work also pays particular attention to a 12 h Taranis orbit with apogee altitude similar to that of a Molniya orbit and an inclination of 90 deg. ...

15

The Solution of Optimal Two Impulse Transfer between Elliptical Orbits with Plane Change

The Solution of Optimal Two Impulse Transfer between Elliptical Orbits with Plane Change

... elliptic orbits with plane change is ...liptic orbits having a common centre of attraction with changing in their planes in standard Hohmann transfer with the terminal orbit which is elliptic orbit and not ...

9

Geo-engineering using dust grains in heliotropic elliptical orbits

Geo-engineering using dust grains in heliotropic elliptical orbits

... The dust grains will be continuously extracted from the asteroid, milled to achieve a certain radii distribution and collected during one orbit. Whenever the generator passes    it ejects the collected dust with the ...

13

Extension of highly elliptical Earth orbits using continuous low-thrust propulsion

Extension of highly elliptical Earth orbits using continuous low-thrust propulsion

... highly elliptical orbits, with free selection of orbit period, using low- thrust propulsion is ...proposed orbits, termed Taranis orbits, are enabled by existing low-thrust propulsion ...

36

Debris Evolution Analysis of Breakup Events Based on Modified Space Debris Evolution Model and Collision Factor

Debris Evolution Analysis of Breakup Events Based on Modified Space Debris Evolution Model and Collision Factor

... paper, elliptical orbits and solar radiation pressure perturbation are firstly considered to modify the altitude distribution model and orbit decay model in space debris evolution model ...low ...

8

DIRECTIONAL VARIANT AND INVARIANT HEARING THRESHOLDS IN THE RAINBOW TROUT (SALMO GAIRDNERI)

DIRECTIONAL VARIANT AND INVARIANT HEARING THRESHOLDS IN THE RAINBOW TROUT (SALMO GAIRDNERI)

... The calculations, yielding elliptical orbits for sinusoidal stimulation, have been made for the otolith systems of the cod and trout as a function of depth, of sound frequency, and of di[r] ...

20

Numerical solutions for lunar orbits

Numerical solutions for lunar orbits

... polar orbits 1 . Therefore closed orbits with a period equal to the reference one require shorter mean semi-major axis according to its relation with the mean ...

12

Scaling and Orbits for an Isotropic Metric

Scaling and Orbits for an Isotropic Metric

... of orbits might make it possible to distingu between a Schwarzschild metric and an isotropic metric, especially if one can observe an orbit smaller than the Schwarzschild ...non-decaying orbits exist at all ...

6

Selection of an orbit for communication satellite based on inclination and eccentricity

Selection of an orbit for communication satellite based on inclination and eccentricity

... in orbits, continuous 24 hours coverage could not be offered without 12 satellites in orbit which is a necessary requirement for 24/7 operation to ication ...

5

Birefringence analysis of segmented cladding fiber

Birefringence analysis of segmented cladding fiber

... The radial effective index method (REIM) has been conventionally used to determine the propagation characteristics in terms of effective index and leak- age loss of the modes of an SCF. However, REIM, being a scalar ...

6

The Elliptical Lead Zeppelin

The Elliptical Lead Zeppelin

... All the components are built, only the switch needs to be made to work. If this is done, one could most likely start to measure immediately. After this, we can look if the theoretical and numerical predictions are ...

72

The Study of EADAS Elliptical Steel Damper Function in Seismic Resisting of Steel Frames

The Study of EADAS Elliptical Steel Damper Function in Seismic Resisting of Steel Frames

... To use the elliptical damper in frames seismic resisting several options are suggested. Figure (1) is one of the suggested options and show how to use and install EADAS damper in the frame and the deformation ...

6

Resonant Homoclinic Bifurcations with Orbit Flips and Inclination Flips

Resonant Homoclinic Bifurcations with Orbit Flips and Inclination Flips

... [10] M. Kisaka, H. Kokubu and H. Oka, “Bifurcations to N- Homoclinic Orbits and N-Periodic Orbits in Vector Fields,” Journal of Dynamics and Differential Equations, Vol. 5, No. 2, 1993, pp. 305-357. ...

6

Eisenberg SIAM 2006

Eisenberg SIAM 2006

... The rest of paper is organized as follows. In Section 2, we begin with a de- scription of a three dimensional PNP system as the model for ion flow through an ion channel and discuss a one-dimensional reduction as the ...

42

Kinematics of giant elliptical galaxies and a study of nucleated dwarf elliptical galaxies

Kinematics of giant elliptical galaxies and a study of nucleated dwarf elliptical galaxies

... This chapter deals with the problem of recovering the line-of-sight velocity dis­ tribution from the integrated spectra of giant elliptical galaxies. The method we have used is a modification of the Sargent et al. ...

203

Survey on elliptical curve cryptography

Survey on elliptical curve cryptography

... The main objective of our survey is based on elliptical curve cryptography. It provides security for encryption and decryption of data. We have gone through several papers, each paper describes about some ...

5

Show all 932 documents...

Related subjects