摘要:
Remotely sensed spectral image data are used to develop a Vegetation Index file which represents spatial variations of actual crop vigor throughout an area that is under cultivation. The latter information is processed to place it in a format that can be used by personnel to correlate and calibrate it with actually observed crop conditions existing at control points within the area. Based on the results, personnel formulate a prescription request, which is forwarded to a central processing site, where the prescription is prepared. The latter is returned to a mobile application means that directly applies inputs to the field at a spatially variable rate.
摘要:
Remotely sensed spectral image data are used to develop a Vegetation Index file which represents spatial variations of actual crop vigor throughout a field that is under cultivation. The latter information is processed to place it in a format that can be used by farm personnel to correlate and calibrate it with actually observed crop conditions existing at control points within the field. Based on the results, farm personnel formulate a prescription request, which is forwarded via email or FTP to a central processing site, where the prescription is prepared. The latter is returned via email or FTP to on-side farm personnel, who can load it into a controller on a spray rig that directly applies inputs to the field at a spatially variable rate.
摘要:
Remotely sensed spectral image data are used to develop a Vegetation Index file which represents spatial variations of actual crop vigor throughout a field that is under cultivation. The latter information is processed to place it in a format that can be used by farm personnel to correlate and calibrate it with actually observed crop conditions existing at control points within the field. Based on the results, farm personnel formulate a prescription request, which is forwarded via email or FTP to a central processing site, where the prescription is prepared. The latter is returned via email or FTP to on-side farm personnel, who can load it into a controller on a spray rig that directly applies inputs to the field at a spatially variable rate.
摘要:
Electric power generator has linear arrays of thermophotovoltaic cells spaced outwardly from a tubular IR emitter. Hot combustion products flow downward from a combustion zone between a central pillar and the IR emitter, and then upward between the emitter and a tubular IR transparent window. The cell arrays are spaced outward from a convection barrier tube and a short pass filter. A burner assembly at the top of the pillar has an alternating arrangement of accelerating air channels with large openings to the air supply and slowing mixing channels with small openings to the air supply. Radial fuel channels connect the central fuel supply with the peripheral mixing channels. Release of accelerated air creates turbulence in the combustion zone where the air and fuel further mix and are ignited. A cavity in the pillar supplies liquid fuels which are atomized by ultrasonic energy from a central rod. The atomized liquids are released through small holes into the combustion zone. Exhaust gases preheat the air supply which is in an upward tubular extension of the IR emitter.
摘要:
An automotive vehicle is provided with a lightweight crash-resistant honeycomb core chassis which combines structural load carrying support with lateral impact resistance. The automotive vehicle is aerodynamically efficient having a chassis and body which are inclined downwardly and forwardly to increase front downward air force. The body is smoothed to provide minimum air resistance and has a unique rearwardly diverging air guiding surface on the underside of the body. The air guiding surface reduces the velocity of air moving relative to the vehicle body and an air intake scoop is positioned at a point of high pressure along the air guiding surface but forwardly of the rear-mounted engine of the vehicle so that sufficient air pressure is available to force air into the engine compartment of the vehicle. Air leaves the rearward end of the vehicle through guiding vanes which direct the air into a low air pressure region behind the vehicle and in a direction to mix with air passing over the vehicle to reduce turbulent drag-producing air flow around the vehicle. Air drag is further reduced by providing a unique hollow wheel which is essentially free of drag producing struts or brake mechanism which brake mechanism is located within the aerodynamic efficient body of the vehicle. The hatch of the vehicle for admitting passengers is made lightweight by placing substantially all of the door latching mechanism on the body rather than in the hatch. A unique manually operated manual headlight positioning mechanism is provided to swing the headlights between an opened operable position and a closed low-aerodynamic drag position. Finally, a unique method is provided for inexpensively forming a rain gutter between a body and a hatch fitted close onto the body. The method includes forming parts of the hatch and body using a removable, easily extrusible wax dam to get an exact desired gap between the terminal edge of the hatch and the body.