1. A method, comprising:
(a) planning a path to a target for an airborne guided munition, comprising:
(b) initiating a search tree;
(c) selecting an aimpoint using waypoint information to generate a branch of the search tree for a potential path to the target;
(d) performing two point boundary value processing for the aimpoint to generate the branch;
(e) determining whether a violation occurs for the branch;
(f) adding the branch to the search tree if the violation did not occur;
(g) repeating steps (c)-(f) to form feasible paths to the target from the formed branches; and
(h) selecting a first one of the feasible paths.
2. The method according to claim 1, wherein the violation includes terrain impact andor airspace violation.
3. The method according to claim 1, further including generating an upper bounding, in arrival time or angle, trajectory for the munition having a downrange value and an altitude value.
4. The method according to claim 3, further including generating a lower bounding, in arrival time or angle, trajectory for the munition.
5. The method according to claim 1, further including
computing forces on the munition and angle of attack for a given time;
solving for linear coefficients of a parametric representation for downrange and altitude coordinates;
selecting a next time estimate from roots of the parametric representation;
computing position and velocity for the munition for the next time estimate; and
testing for convergence.
6. The method according to claim 5, wherein the parametric representation includes a cubic.
7. The method according to claim 5, further including generating an upper bounding trajectory for the munition having an aimpoint and altitude.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A light-emitting device, comprising:
a light-emitting unit configured for emitting light and having a first electrode and a second electrode;
a light channel comprising:
an inner surface close to the light-emitting unit;
a light output surface not parallel to the inner surface; and
a reflecting boundary for reflecting the light from the light-emitting unit to the light output surface, and being arranged between the inner surface and the light output surface;
a filling material formed inside the light channel;
a first conducting layer, electrically connected to the first electrode, being arranged close to the inner surface; and
a second conducting layer, electrically connected to the second electrode, being arranged close to the inner surface and separated from the first conducting layer.
2. The light-emitting device of claim 1, further comprising a wavelength converting material formed inside the light channel.
3. The light-emitting device of claim 1, wherein the first conducting layer and the second conducting layer extend to the same direction.
4. The light-emitting device of claim 1, wherein portions of the first conducting layer and the second conducting layer do not contact with the filling material.
5. The light-emitting device of claim 1, wherein each of the first conducting layer and the second conducting layer has a bent segment.
6. The light-emitting device of claim 1, wherein the light-emitting unit is positioned on the center of the inner surface.
7. The light-emitting device of claim 1, wherein the light output surface comprises a curved surface.
8. The light-emitting device of claim 1, wherein the filling material outside the light-emitting unit varies in thickness.
9. The light-emitting device of claim 1, wherein the reflecting boundary is arranged in front of the light-emitting unit.
10. The light-emitting device of claim 1, wherein the reflecting boundary is arranged by a lateral side of the light-emitting unit.
11. The light-emitting device of claim 1, wherein the first electrode and the second electrode are arranged to face the same direction.
12. The light-emitting device of claim 1, wherein the first conducting layer and the second conducting layer are substantially arranged on the same elevation.
13. The light-emitting device of claim 1, wherein the first electrode and the second electrode are mounted on the first conducting layer and the second conducting layer respectively.
14. The light-emitting device of claim 1, wherein the light-emitting unit is flip-mounted on the first conducting layer and the second conducting layer.