Aerospace & Defense

ABSTRACT
The use and employment of small unmanned aerial systems (sUAS) in public safety and commercial applications has grown exponentially since their introduction into the consumer market. As of February 2020 there were over 436,633 registered commercial, public/government and other drones and 167,841 remote pilots certified.

As the core of a modular, optionally-manned, single-stage-to-orbit, reusable, trans-atmospheric spaceplane; this combined-cycle engine which operates on JP-7 jet fuel, and either air or LOX; functions as an Expansion-Cycle Turbojet for takeoffs and landings (for noise reasons).

Below is the equation for the resistance of a fluid flow system:
∆P/Ǭ=(q-W)/VǬ-ρ δv/Ā-(μA_⟘ dv_⟘)/ĀǬ-(ρA_h gδh)/ĀǬ
Where Ǭ is the total volumetric flow in the system; ∆P is the pressure difference across the system; V is the volume of the system;

As per title drones can be used as a power bank to recharge the drying batteries of sensors.

A drying battery will send a signal to recharge it and the drone will be ready to fly to recharge the battery of sensor by detecting the location of sensor.

False alarms are a common problem with invisible laser based sensors.

In border areas it just creates panic to identification whether it is a human being, an object, dust, an animal or some vehicle moving across the border.

Satellite communication (SATCOM) systems need to operate in challenging and hostile radio frequency (RF) environments in the presence of unintended and/or intended RF interferences (RFI). For military and commercial applications, it is important to develop advanced RFI mitigation and anti-jamming (AJ) capabilities.

What is HyALTA® - A hybrid lighter-than-air (LTA) and flying wing air vehicle that allows a single vehicle to provide the simplicity, vertical heavy lift, and extended efficient station keeping capabilities of an LTA with the high glide ratio (>40:1) and velocity (up to 200 kts.

What is HyDroneTM - A vehicle designed to operate in and easily transition between maritime subsurface, surface, ground, hover, and forward flight domains. HyDroneTM can operate in or back and forth between any or all of these domains during a single sortie.

The electronic calibration display is an electronic device that replaces a calibration sticker and adds the functionality of visual and audio aids to notify the user of approaching or past due calibrations.

Since 2018 the number of electrically powered aircraft in design has doubled to about 200, hence the name, “201.” Airbus, Boeing, Joby Aviation, Uber and others, with more than 1 billion usd in investments are designing, developing and testing the electric air vehicles of the future.

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