Abstract: The present invention relates to a method for voice prompting, a mobile control terminal and a system for voice prompting. The method includes: receiving, by the mobile control terminal, a warning instruction transmitted by an unmanned aerial vehicle (UAV); generating corresponding text information according to the warning instruction; converting the text information to an audio file; and playing the audio file. The mobile control terminal of the present invention provides various warning information to a user by playing an audio file, which is not a preset audio file directly stored in the mobile control terminal, but an audio file converted from text information generated by the mobile control terminal according to a warning instruction transmitted by the UAV. Therefore, there is no need to store a preset audio file in the mobile control terminal, which reduces a memory space occupied in the mobile control terminal and improves performance of the mobile control terminal.

Abstract: The present invention discloses a camera imaging method, a camera system and an unmanned aerial vehicle (UAV). The camera imaging method is applied to a camera system of the UAV. The camera system includes a signal trigger device and a signal receiving device. The method includes: acquiring, by the signal trigger device, a shooting instruction; generating, by the signal trigger device, a trigger signal with a preset trigger frame rate according to the shooting instruction; and performing, by the signal receiving device, exposure at the preset trigger frame rate according to the trigger signal; where the preset trigger frame rate is greater than a default exposure frame rate of the signal receiving device. According to the present invention, an exposure frame rate of the signal receiving device is adjusted to the preset trigger frame rate, so that the signal receiving device can perform exposure according to the preset trigger frame rate, and synchronous dual-light exposure is implemented.

Abstract: Embodiments of the present invention disclose an unmanned aerial vehicle (UAV) control method and a terminal. The method includes: determining, by a terminal before the terminal is connected to any UAV, location information of at least one waypoint according to a first setting operation of a user, and determining a flight path according to the location information of the at least one waypoint; storing, by the terminal, the flight path into a path record of a path database; and invoking, by the terminal after the terminal establishes a connection to a UAV, a first path record associated with the UAV from the path database, and sending the first path record to the UAV, to control the UAV to fly according to information in the first path record. The embodiments of the present invention can improve efficiency of a UAV in obtaining a flight path, and reduce power consumption of the UAV when no flight course task is executed.

Abstract: The present invention relates to the field of unmanned aerial vehicle safety protection technologies, and in particular, to an unmanned aerial vehicle safety protection method and apparatus and an unmanned aerial vehicle. The method includes: obtaining ultrasonic information and a flight status of an unmanned aerial vehicle, where the flight status includes a normal flight state and a descending state; and performing safety protection on the unmanned aerial vehicle according to the ultrasonic information and the flight status. The implementation can reduce an occurrence probability that an unmanned aerial vehicle crashes at a high altitude when ultrasound encounters abnormalities to get out of control at the high altitude and fail to descend, rise, move to the left or move to the right and land without slowing down to violently hit the ground, so that the safety of the unmanned aerial vehicle is enhanced, and user experience is improved.

Abstract: The present invention discloses an unmanned aerial vehicle and a method for controlling a gimbal thereof. The method for controlling a gimbal includes: generating, by a flight control system, a yaw angular speed instruction of the unmanned aerial vehicle; and controlling, by a gimbal control system, a yaw axis motor of the gimbal according to the yaw angular speed instruction of the unmanned aerial vehicle. In the present invention, the yaw axis motor of the gimbal is jointly controlled by the flight control system and the gimbal control system, so that advantages of high-precision control and quick response of the gimbal control system are maximized. The advantages are used for compensating for deficiencies of the flight control system in yaw control, thereby improving the stability of a yaw channel of the gimbal, and completely resolving frame freezing of an aerial video when the unmanned aerial vehicle yaws at a low speed.

Abstract: The antenna includes a first antenna unit and a second antenna unit. The first antenna unit and the second antenna unit are disposed on the same surface of a substrate. The first antenna unit includes a first primary radiation unit and a first secondary radiation unit, and the second antenna unit includes a second primary radiation unit and a second secondary radiation unit. A gap exists between the first primary radiation unit and the second primary radiation unit. The first secondary radiation unit is connected to one end of the first primary radiation unit that is away from the second primary radiation unit, the second secondary radiation unit is connected to one end of the second primary radiation unit that is away from the first primary radiation unit, and the first secondary radiation unit and the second secondary radiation unit are located on the same side of the substrate.

Abstract: Embodiments of the present invention relate to a method for generating search information of an unmanned aerial vehicle (UAV) and a UAV. The method includes: controlling a gimbal camera apparatus of the UAV to perform surround shooting to obtain character image information when the UAV is in an input locked state; matching the character image information with internal image information of the UAV; and generating the search information of the UAV according to a matching result. Therefore, a user can find the UAV in time according to the search information. In this way, theft is prevented, reducing the user loss.

Abstract: Embodiments of the present invention relate to the technical field of image processing, and disclose an image data processing method and apparatus, an image processing chip, and an aircraft. The method comprises: receiving K channels of image data; performing splitting processing on the L channels of second image data in the K channels of image data to obtain M channels of third image data; performing format conversion processing on the (N?M) channels of first image data and the M channels of third image data to obtain a color image in a preset format; and performing image processing on a gray part component of the color image in the preset format to obtain a depth map. The method can better meet the requirements of multi-channel image data processing.

Abstract: Embodiments of the present invention are an unmanned aerial vehicle (UAV) severe low-power protection method and a UAV. The method includes: first acquiring ground environment information when the UAV is in a severe low-power protection state, and then obtaining landing safety judgment information according to the ground environment information, and further controlling a flight state of the UAV according to the landing safety judgment information to realize a safe landing of the UAV. The foregoing method reduces the probability of explosion of the UAV, avoids injury accidents, and improves flight safety when the UAV is in a severe low-power state.

Abstract: The present application provides a device battery and an unmanned aerial vehicle (UAV). The device battery includes: a battery microprocessor, an electrically erasable programmable read-only memory and a marking component. The battery microprocessor is connected to the electrically erasable programmable read-only memory, and the marking component is connected to the battery microprocessor and the electrically erasable programmable read-only memory. The marking component is configured to mark a storage address to which battery data is written last time. The battery microprocessor is configured to write battery data to the electrically erasable programmable read-only memory in a cyclic erasing writing mode according to the storage address currently marked by the marking component. According to the solution, an independent electrically erasable programmable read-only memory is added inside the device battery to store the battery data, which can improve stability and safety of battery data storage.

Abstract: The present disclosure provides an antenna, a wireless signal processing device, and an unmanned aerial vehicle. The antenna includes: a substrate having a flat first surface; a first radiation portion disposed on the first surface of the substrate, the first radiation portion comprising a first radiator and a second radiator, and the second radiator being located behind the first radiator; and a second radiation portion disposed on the first surface of the substrate. The second radiation portion includes: a third radiator; and the third radiator being disposed proximate to the second radiator and having a proximate frequency and radiator arm effective length to couple the third radiator with the second radiator. The antenna adopts reasonable wiring and structural design and can be implemented on a base material with a small volume.

Abstract: The embodiment is a target tracking method. The method is applicable to a UAV including a visible light camera and an infrared camera, and includes: controlling the visible light camera to perform visual tracking on a target object, and recording first tracking information of the target object in real time; controlling the infrared camera to perform infrared tracking on the target object, and recording second tracking information of the target object in real time; controlling, in a case of determining that the target object is lost in the visible light camera, the visible light camera to re-lock the target object according to the second tracking information and continue to perform visual tracking; or controlling, in a case of determining that the target object is lost in the infrared camera, the infrared camera to re-lock the target object according to the first tracking information and continue to perform infrared tracking.

Abstract: Embodiments of the present invention relate to the technical field of unmanned aerial vehicles (UAV), and specifically discloses an automatic return method, device and UAV. By means of the foregoing technical solutions, the embodiments of the present invention can estimate a minimum power consumption required for the UAV to return from the current position to the return point in a more accurate way, so as to avoid forced landing of the UAV due to an excessively low battery level during a flight or a return.

Abstract: A method and a system for controlling a flight device, a storage medium and an electronic device are provided. The method includes: acquiring a mission flight route of a first flight device, where the mission flight route is configure to indicate a flight route of a data acquisition mission to be performed by the first flight device; generating a relay flight route of the second flight device according to the mission flight route and a relay base station distribution on the mission flight route, where the relay flight route is configured to indicate a flight route of the second flight device during execution of the data acquisition mission by the first flight device; and controlling the first flight device to perform the data acquisition mission according to the mission flight route and controlling the second flight device to perform the data acquisition mission according to the relay flight route.

Abstract: The embodiments of the present disclosure disclose an accommodation mechanism, an unmanned aerial vehicle tracking device and an unmanned aerial vehicle tracking system, wherein the accommodation mechanism comprises a housing, a connection assembly, a cover plate and a locking assembly, the housing is provided with a battery holder formed from a side wall of the housing facing an internal recess of the housing, and the battery holder is configured to accommodate a battery; the connecting assembly is respectively connected to one end of the cover plate and the housing, and the cover plate is configured to rotate relative to the housing; the cover plate is configured to open or cover an opening of the battery holder; a locking assembly is provided on the housing and is configured to lock or unlock the cover plate.

Abstract: The present disclosure relates to the field of remote controller technologies and discloses a protective cover for a control stick and a remote controller. The control stick protective cover includes: a first elastic member, where a first accommodation groove is provided in a middle of the first elastic member, and the first accommodation groove is configured to mount the control stick; a second elastic member, arranged around the first elastic member, where the second elastic member is fixed to a panel of the remote controller; and a buffer member, connected between the first elastic member and the second elastic member, where the buffer member is provided with a bent portion.

Abstract: The embodiments are a zoom method and apparatus, an unmanned aerial vehicle, an unmanned aircraft system and a storage medium. The zoom method is applied to an unmanned aerial vehicle including an image capturing apparatus and the method includes: controlling the image capturing apparatus to capture an initial image, where a resolution of the initial image is W0*H0 and an area of the initial image is S0; obtaining a cropped image according to the initial image, where the cropped image is an image with an area of S cropped from a preset region in the initial image, S0/S=C and C is a digital zoom factor of the image capturing apparatus; and obtaining a zoom image according to the cropped image, where the zoom image is an image obtained by zooming the cropped image by C/A times, a resolution of the zoom image is W1*H1, A=W0/W1 and C?A.

Abstract: Embodiments of the present application provide an image fusion method and a bifocal camera. The method includes: acquiring a thermal image captured by the thermal imaging lens and a visible light image captured by the visible light lens; determining a first focal length when the thermal imaging lens captures the thermal image and a second focal length when the visible light lens captures the visible light image; determining a size calibration parameter and a position calibration parameter of the thermal image according to the first focal length and the second focal length; adjusting a size of the thermal image according to the size calibration parameter, and moving an adjusted thermal image to the visible light image according to the position calibration parameter for registration with the visible light image, to obtain to-be-fused images; and fusing the to-be-fused images to generate a bifocal fused image.

Abstract: A propeller, a propeller kit, a power assembly, a power kit and an unmanned aerial vehicle (UAV). The propeller includes a hub and at least two blades connected to the hub. The hub is detachably mounted on a corresponding drive apparatus by a mounting member corresponding to the hub, so that the propeller is mounted on the corresponding drive apparatus. A surface, facing the mounting member, of the hub is provided with a first fitting portion. A surface, facing the hub, of the mounting member is provided with a second fitting portion corresponding to the first fitting portion. The first fitting portion matches the second fitting portion. In the foregoing manner, a user can be prevented from incorrectly mounting a forward propeller and a counter-rotating propeller during the use of a quick-detachable propeller in the embodiments of the present application.