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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7443784 | Methods and systems for tone hopping Methods and systems for tone hopping are provided. In one embodiment, a method for an orthogonal frequency division multiplexing (OFDM) multipoint-to-point communications system comprises: establishing communication between a first remote unit of a plurality of remo... | 10/28/2008 |
| 7417586 | Methods and systems for interferometric cross track phase calibration A method to compensate for variances in signal path delays for a plurality of radar return processing channels is described. The method comprises providing a signal in the signal path between an antenna and a corresponding receiver of each radar return processing ch... | 08/26/2008 |
| 7409293 | Methods and systems for enhancing accuracy of terrain aided navigation systems A navigation system is described which includes a navigation processor, an inertial navigation unit configured to provide a position solution to the navigation processor, and a digital elevation map. The described navigation system also includes a radar altimeter ha... | 08/05/2008 |
| 7395987 | Apparatus and appertaining method for upfinding in spinning projectiles using a phase-lock-loop or correlator mechanism The invention relates to the field of gun-launched guidance systems and to a navigation system based on inertial sensors mounted in a spinning projectile using at least one rotation sensing device with input components perpendicular to the spinning body's longitudin... | 07/08/2008 |
| 7394753 | Training premable in multipoint-to-point communication using orthogonal frequency division multiplexing A training premable in multipoint-to-point communication using orthogonal frequency division multiplexing (OFDM) is provided. In one embodiment, a system comprises a host unit and a plurality of remote units using a multiple access scheme to communicate at the same ... | 07/01/2008 |
| 7391711 | Method and system for adaptive modulation Methods and systems for adaptive modulation are provided. In one embodiment, a method for a plurality of remote units of an orthogonal frequency division multiplexing multipoint-to-point communications system comprises: establishing communication between a plurality... | 06/24/2008 |
| 7390233 | Station keeping maneuverable articulating autonomous regenerative tactical (SMAART) buoy An articulating sonobuoy is provided. The articulating sonobuoy comprises a plurality of section, and a plurality of joints connecting each of the plurality of section to adjacent sections, wherein each of the plurality of sections self-aligns by rotating about one ... | 06/24/2008 |
| 7391712 | Method and system for forward-looking tone allocation Methods and systems for forward-looking tone allocation are provided. In one embodiment, a method for an orthogonal frequency division multiplexing (OFDM) multipoint-to-point communications system comprises: establishing communication between a plurality of remote u... | 06/24/2008 |
| 7386612 | Method and apparatus for disambiguating transmit-by-exception telemetry from a multi-path, multi-tier network An apparatus and methods for disambiguating data elements transmitted by exception over a multi-path, multi-tiered communications network of nodes from at least one originating node to a destination node. A method includes the steps of receiving counter data from ea... | 06/10/2008 |
| 7324213 | Small angle high frequency angular displacement measurement system A system to determine unwanted noise produced by simulation equipment. In one embodiment, an angular rotation noise measuring system comprises a stable body, a laser, at least one interferometer and at least one mirror. The laser is adapted to generate a primary las... | 01/29/2008 |
| 7184728 | Distributed automatic gain control system A wireless distribution system includes a number of remote units distributed in a coverage area to receive wireless signals and to provide the signals through the distribution system to input ports of a node where the signals are combined, a number of input power mo... | 02/27/2007 |
