30results about How to "Wide range of reception" patented technology

The embodiment of the invention provides a pilot positioning system and method for a black flight unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicle computation.The pilot positioning system comprises an unmanned aerial vehicle management and control platform subsystem, a TDOA radio detection subsystem and a radio interference subsystem, and the TDOA radio detection subsystem is used for obtaining unmanned aerial vehicle communication signals; the unmanned aerial vehicle management and control platform subsystem is used for receiving the data of the TDOA radio detection subsystem, performing visualization processing, determining the position and the route track of the unmanned aerial vehicle, sending a control command to the radio interference subsystem, and calculating the position of a pilot of the unmanned aerial vehicle according to the route track; and the radio interference subsystem is used for receiving the control command of the unmanned aerial vehicle management and control platform subsystem, transmitting an interference signal to the unmanned aerial vehicle and inducing the unmanned aerial vehicle to fly along any tangential direction of the route track. According to the processing scheme of the invention, the method can achieve the positioning of the position of a pilot outside a blind area and a defense area, achieves the precise forced landing, is low in power consumption, is green and pollution-free for the surrounding radio environment, and achieves the automatic management and control and visual supervision.

A power-assistance bicycle using a sensor having multiple magnet blocks evenly distributed in housing, related to electric power-assistance bicycles that provide a power-assistance signal with multipoint magnetic induction. The sensor comprises: a sensing element, a power assistance model processor (21), a digital-to-analog converter (27) and an operational amplifier (28). The sensing element comprises a rotating disk (1) and an annular-groove fixing disk (40) fitted with each other, and multiple permanent magnetic blocks (2) and the Hall element (3) are provided in a cavity of the rotating disk (1) and the annular-groove fixing disk (40). A plurality of permanent magnetic blocks (2) that are opposite in adjacent magnetic polarities are fixedly provided on the rotating disk (1). The Hall element (3) is provided on the fixing disk (40) and in proximity to the permanent magnetic blocks (2). The sensor is sleeved on an exterior of a medial shaft (51). The operational amplifier (28) is connected with the motor controller (29). Due to the relatively fixed positions of the permanent magnetic block (2) and the Hall element (3), the Hall element is capable of obtaining rectangular waves signals, so as to facilitate the sensor to output an adjustable and artificial setting power-assistance model having satisfying assistance power in the beginning and end via digital processing, thus allowing for optimal man-machine matching and for power conservation.

The invention relates to a handheld night vision instrument which pertains to the technical field of electron optical viewing instrument structure. The handheld night vision instrument is characterized by comprising a handheld image acquisition unit that transmits the information of an image acquired to two receiving ends by manually controlled operation; one end of the handheld image acquisition unit is mutually connected with a receiving end video eye-wear display which is worn at eyes, while the other end thereof is mutually connected with an image acquisition, display, storage and transmission unit on the back. The handheld night vision instrument has reasonable structure design and clear night patrol image, is smart and light, easy in use, strong in night vision and wide in receiving range, is an indispensable powerful weapon for protecting national property and the life safety of people and is of great social significance.

A sensor with magnetic blocks unevenly distributed in a housing includes, sequentially connected, a sensing element, a power assistance model processor (21), a digital-to-analog converter (27), and an operational amplifier (28). The sensing element includes permanent magnetic blocks (2) and a Hall element (3) arranged in a cavity fitted together by a rotating disk (1) and a fixing disk (40). Multiple permanent magnetic blocks (2) are fixedly arranged on the rotating disk (1) in a circular-annular distribution, and at most two of the permanent magnetic blocks (2) are different in intervals. On a certain side of the rotating disk (1), the magnetic polarities of adjacent permanent magnetic blocks (2) are opposite, namely, the magnetic polarities of all of the permanent magnetic blocks (2) on the certain side of the rotating disk (1) are distributed in a pattern of pole N, pole S, pole N . . . .

The invention discloses a UHF band spiral antenna, and belongs to the technical field of wireless communication. The antenna comprises a plurality of reflection plates, a bottom end antenna, a top end antenna, and an adapter plate. The bottom end of the top end antenna is detachably connected with the top end of the bottom end antenna, and the bottom end of the bottom end antenna is detachably connected with the plurality of reflection plates. The bottom of the bottom end antenna is also connected with the adapter plate through a screw. The antenna can achieve the receiving of all wireless signals at the UHF band, is wide in receiving range of wireless signals, avoids the signal loss, can be folded or disassembled in real time, and is portable.

A sensor having multiple magnetic blocks of unevenly distributed magnetic fluxes in a housing includes, sequentially connected, a sensing element, a power-assisted model processor (21), a digital-to-analog converter (27), and an operational amplifier (28). The sensing element includes a rotating disk (1) and an annular-groove fixing disk (40) fitted therewith. Multiple permanent magnetic blocks (2) are fixedly arranged on the rotating disk (1) in a circular-annular distribution, and at least two of the permanent magnetic blocks (2) are different in magnetic fluxes. On a certain side of the rotating disk (1), the magnetic polarities of adjacent permanent magnetic blocks (2) are opposite, namely, the magnetic polarities of all of the permanent magnetic blocks (2) on the certain side of the rotating disk (1) are distributed in a pattern of pole N, pole S, pole N . . . ; a Hall element (3) on the fixing disk (40) is arranged at a position which is close to the permanent magnetic blocks (2). The N-S distribution of the magnetic polarities of the permanent magnetic blocks (2) allows the Hall element (3) to acquires rectangular wave signals, and to add the digital processing for setting a power assistance model, to allow for expression of the positions of the permanent magnetic blocks (2) on the rotating disk (1), and to determine the uses of different rectangular waves; the relative positions of the permanent magnetic blocks (2) to the Hall element (3) are fixed, and signal output is reliable.

The present invention relates to a finger vein recognition device with an adjusting function and the strong recognition capability. The finger vein recognition device comprises a shell, the shell is equipped with the jacks, and a frame, an adjusting plate, a supporting mechanism, an adjusting mechanism, an induction mechanism and an emission mechanism are arranged in the shell. The adjusting mechanism comprises a first motor, a buffer block, a first driving shaft, a sliding block, a supporting rod and a hinging block, a receiving mechanism comprises a receiving ring, four driving assemblies and at least two infrared receivers, each driving assembly comprises a connecting rod, a second motor and a driving gear, and at least two driven teeth are arranged at the periphery of the receiving ring. According to the finger vein recognition device with the adjusting function and the strong recognition, the adjusting mechanism adjusts the angle of the adjusting plate, so that the infrared lightemitted out by an emitter keep the fixed angles with the fingers, and the accurate vein images are obtained conveniently. Moreover, the receiving mechanism can receive the enough infrared signals, sothat the clear vein images are generated conveniently, and further the recognition capability of the device is improved.

A power-assistance bicycle using a sensor having multiple magnet blocks evenly distributed in a housing, related to electric power-assistance bicycles that provide a power-assistance signal with multipoint magnetic induction. The sensor comprises: a sensing element, a power-assisted model processor, a digital-to-analog converter and an operational amplifier. The sensing element comprises a rotating disk and an annular-groove fixing disk fitted with each other, and a permanent magnetic block and the Hall element are provided in a cavity of the rotating disk and the annular-groove fixing disk. A plurality of permanent magnetic blocks that are opposite in adjacent magnetic polarities are fixedly provided on the rotating disk. The Hall element is provided on the fixing disk and in proximity to the permanent magnetic blocks. The sensor is sleeved on an exterior of a medial axis. The operational amplifier is connected with the motor controller.

The invention provides an audio detecting system of a moving vehicle. The system comprises a plurality of MEMS microphone modules which are in an array and are used for acquiring a tire sound signal of the moving vehicle and converting the acquired sound signal to a digital signal. The plurality of MEMS microphone modules are connected with a signal processing unit. The signal processing unit receives the digital signal of the plurality of MEMS microphone modules, and processes the digital signal for calculating the positioning information of the vehicle, wherein the signal processing unit executes the following instructions for calculating the positioning information of the vehicle: the signal processing unit is connected with a communication module; the calculated vehicle positioning information is output through the communication module. The audio detecting system of the moving vehicle realizes high convenience in mounting and maintenance and can effectively reduce influence of an environment factor in a vehicle positioning process.

The invention discloses a helmet type laser receiving system for an individual soldier. The system comprises a control module, a starting module, an information storage module, a network access module, a 433 communication module, a power supply module, a 4G communication module, a triggering module, a voice broadcast module, a display module, a driving module, a data detection module, a data acquisition module, a data analysis module, a data storage module, an attitude sensor module, a laser transceiving communication module and a Beidou positioning module. The network access module is in signal connection with the 4G communication module. The trigger module is electrically connected with the voice broadcast module. T he display module and the driving module, and the data acquisition module is electrically connected with the attitude sensor module, the laser transceiving communication module and the Beidou positioning module. The system is reasonable in design, convenient to wear, widein receiving range, capable of achieving 180-degree full coverage and free of dead angles, battlefield data can be uploaded to a main control platform in real time, and a command center can conveniently monitor the exercise process in real time and know exercise dynamics.

The invention discloses a combined antenna capable of being erected on a satellite antenna. The combined antenna comprises a high-frequency antenna element (1), a low-frequency antenna element (2) and a unified hybrid amplifier (3), wherein the low-frequency antenna element (2) is a U-shaped metal bracket of which the two ends are in closed connection with the unified hybrid amplifier (3); the high-frequency antenna element (1) is fixed on the U-shaped metal bracket through a supporting piece (5); the bottom of the high-frequency antenna element (1) is provided with a wire hole (4); and one side of the supporting piece (5) is provided with a fixed piece (6) fixed on the satellite antenna. The combined antenna can be firmly erected on the satellite antenna, has a wide receiving range, covers high frequency, low frequency and ultrahigh frequency and can meet the increasing requirements of people on antenna functions.

The invention discloses a wind driven generator with a self-driven frame. The self-driven frame comprises a plurality of blade frames, a plurality of blades arranged in the blade frames, and a driving control device used for controlling the windward angles of the blade frames and the blades. The driving control device adjusts the windward angles of the blade frames and the blades in the blade frames according to the wind direction, the blades in all the blade frames generate torsion with the same rotating direction, and all the torsion generates moment on a driving shaft to push the driving shaft to rotate and drive the generator to generate electricity. When the wind direction mode is changed, the relative positions of the blades, the wind direction and the driving shaft are changed, the windward angle of each blade is changed along with the change and is a fixed value, and the blades are the same, so that a torsional moment in the same rotating direction is obtained, and the overall stable operation is realized. The wind driven generator is flexible in structure, adjustable in size and wide in application range. The self-spinning force of the blades and the self-spinning force generated when the eccentrically-designed blade frames transmit power are superposed, rotation is light and external power is not needed, and the conversion efficiency is improved.

The invention discloses a full-spectrum multi-dimensional light source system. The system comprises a light source module, a light splitting transmission system and a light sensing assembly. The light splitting transmission system comprises a first collimating mirror, a second collimating mirror, a first spectroscope, a second spectroscope, a first arc reflector, a second arc reflector and a prism. The light sensing assembly comprises a first light sensor, a second light sensor and a third light sensor. A light sensor assembly is used for converting received horizontal incident light, first dispersed light and extraneous back light into a detection light signal and transmitting the detection light signal to a spectrum analysis system. The full-spectrum multi-dimensional light source system is applied to a novel spectrum analyzer, a receiving range is wide, sensitivity is high, light source brightness does not need proofreading and cost is greatly reduced; the size is small and the system can be applied to a portable spectrometer; and the light sensing assembly is packaged according to a specific pattern, a background noise and a brightness change can be counteracted under multi-dimensional operation and detection accuracy is increased.

The invention relates to a finger vein recognition device with an adjustment function and strong identification ability, which comprises a casing, a socket is arranged on the casing, a frame, an adjustment plate, a support mechanism, an adjustment mechanism, an induction mechanism and a launch mechanism are arranged inside the casing, and the adjustment mechanism It includes a first motor, a buffer block, a first drive shaft, a slider, a pole and a hinge block, the receiving mechanism includes a receiving ring, four drive assemblies and at least two infrared receivers, and the drive assembly includes a connecting rod, a second motor and There are at least two driven teeth on the outer periphery of the drive gear and the receiving ring. The finger vein recognition device with a strong recognition ability can adjust the angle of the adjustment plate through the adjustment mechanism, so that the infrared light emitted by the transmitter and the finger remain fixed. Not only that, the receiving mechanism can receive enough infrared signals to generate clear vein images, thereby improving the recognition ability of the device.

Disclosed is a full-band rhomboic spring antenna used for a mobile phone. The full-band rhomboic spring antenna comprises a first rhomboic copper wire, a second rhomboic copper wire and an auxiliary rhomboic copper wire, wherein a placement groove is formed in the top end of a mounting cylinder; a mounting hole is formed in one end of the placement groove; a cable is arranged at the bottom of a supporting platform; a cable connecting column is arranged on one side of a spring; a cable connecting hole is formed in the outer surface of the top of the cable connecting column; a core wire connecting hole is formed in the outer surface of the top of a core wire connecting column; a first supporting copper column is arranged on one side of the first rhomboic copper wire; the second rhomboic copper wire is arranged at the other end of the core wire connecting hole; a second supporting copper column is arranged on one side of the second rhomboic copper wire; and the auxiliary rhomboic copper wire is arranged at one end of the second supporting copper column. The full-band rhomboic spring antenna has a simple structure, high anti-interference performance, a wide receiving range and high antenna signal receiving and transmitting properties.

The invention discloses a visible-light optical system for an all-view 3D measuring instrument. The visible-light optical system consists of a low-distortion wide-angle imaging optical lens and a linear array CMOS (complementary metal oxide semiconductor) camera which are fixed together, and the low-distortion wide-angle optical lens clearly images searched visible light images on the focus surface of the linear array CMOS camera. The visible-light optical system solves the problems about wide angle, long focus, high resolution, high precision, telecentric degree and the like, and an available optical system is provided for accurate positioning and angle measurement with the all-view 3D measuring instrument. The optical system enables the angle measuring accuracy of the 3D measuring instrument to reach second level accuracy in a work distance beyond the field depth range of 3 m-100 m in 90-degree view field, and linear deviation is ensured to be consistent for distortion of different view fields, which makes a very high requirement for the optical system.

The invention discloses an induced electric field well logger and belongs to the technical field of detection wells. The induced electric field well logger comprises an emitting system, a collecting and receiving system and a signal processing unit. The emitting system is used for emitting electromagnetic signals, the collecting and receiving system is used for collecting secondary induction fieldsignals passing a stratum, and the signal processing unit is used for receiving and collecting the signals collected by the collecting and receiving system to output all-around conductivity of the stratum of a preset depth, wherein the preset depth of the stratum is 0-30 m. The induced electric field well logger not only can achieve high precision imaging of a near stratum, but also can achieve high precision imaging of a far stratum.

The invention provides a moving vehicle audio detection system, the system includes a plurality of MEMS microphone modules in an array, used to collect tire sound signals of moving vehicles, and convert the collected sound signals into digital signals; the plurality of MEMS The microphone module is connected to a signal processing unit, and the signal processing unit receives digital signals of a plurality of MEMS microphone modules, and processes the digital signals to calculate the positioning information of the vehicle, wherein the signal processing unit executes the following instructions to calculate the positioning information of the vehicle : The signal processing unit is connected to a communication module, and outputs the calculated vehicle positioning information through the communication module. The invention is convenient for installation and maintenance, and can effectively reduce the influence of environmental factors in the vehicle positioning process.

The embodiment of this application provides a black flying UAV pilot positioning system and method, which belongs to the field of UAV computing technology, including UAV control platform subsystem, TDOA radio detection subsystem and radio interference subsystem, TDOA The radio detection subsystem is used to obtain the UAV communication signal; the UAV control platform subsystem is used to receive and visualize the data of the TDOA radio detection subsystem, determine the position and route trajectory of the UAV, and send it to the radio interference subsystem The control command is used to calculate the position of the UAV pilot according to the route trajectory; the radio interference subsystem is used to receive the control command of the UAV control platform subsystem, transmit interference signals to the UAV, and induce the movement of the UAV along the route trajectory. Fly in any tangential direction. Through the processing scheme of this application, it is possible to locate the blind area and the pilot position outside the defense area, make an accurate emergency landing, low power consumption, green and non-polluting to the surrounding radio environment, automatic control, and visual supervision.