52results about How to "Increase transmit power" patented technology

The invention relates to the technical field of wireless temperature measurement, and provides a wireless barbecue thermometer signal emission control method and a wireless barbecue thermometer. The signal emission control method comprises the following steps: determining whether the wireless barbecue thermometer is in a signal shielding state or not based on the change condition of the environment temperature under the condition of determining that the wireless barbecue thermometer is in a use state based on the food temperature and the environment temperature; and when the wireless barbecue thermometer is in the signal shielding state, adjusting the signal transmitting power of the power amplifier in a preset first power adjustment mode so as to increase the signal transmitting power of the wireless barbecue thermometer. By adopting the technical scheme, whether the wireless barbecue thermometer is in the signal shielding state or not can be judged according to the environment temperature change condition, and automatic adjustment of the signal transmitting power is realized in combination with the shielding state, so that the influence of signal shielding on signal transmission of the wireless barbecue thermometer can be reduced; and thus, the use experience of the user can be improved.

The vehicle-mounted refrigerator article detection sensor comprises a box body, an infrared transmitting module and an infrared receiving module are symmetrically arranged on the left side face and the right side face of the box body, and the infrared transmitting module comprises a plurality of infrared transmitting tubes which are evenly arranged on a first PCB at intervals; the infrared receiving module comprises a plurality of infrared receiving tubes which are uniformly arranged on the second PCB at intervals, the infrared receiving tubes and the infrared transmitting tubes are in one-to-one correspondence to form infrared geminate transistors, and the first PCB and the second PCB are connected with the main control board through a first power supply signal line and a second power supply signal line respectively. The interior of the box body is detected in an infrared scanning mode through the infrared geminate transistors, identification interference caused by diffuse reflection of a large amount of infrared light in the box body due to the fact that a plurality of transmitting tubes transmit infrared rays at the same time can be avoided, and only one infrared geminate transistor is in a working state during each detection in the scanning process through the scanning mode; other infrared geminate transistors are in a standby state, so that the power consumption of working current is greatly reduced, and the service life of the infrared geminate transistors is prolonged.

The invention discloses a high-frequency electronic scale inhibition and removal system, and relates to the technical field of scale inhibition and removal equipment of water devices, the high-frequency electronic scale inhibition and removal system comprises a plurality of single equipment arranged outside a water pipeline and used for scale inhibition and removal, each single equipment comprises a body and a conduction ring, and an emission control module, an electromagnetic conduction module, a communication module and a monitoring module are arranged in the body; a display screen is arranged outside the body, the conduction ring penetrates through the body and surrounds the water pipeline, the conduction ring comprises a plurality of connecting blocks, and the connecting blocks are connected through fastening bolts; additional magnetic moment, additional energy and an additional electric field are caused in water through high-frequency electromagnetic waves, a microcrystalline molecular structure separated out of water treated by the electromagnetic waves is loose, calcium carbonate of the crystal lattice is not prone to being attached to the pipe wall, the scale inhibition effect is achieved, more small water molecule clusters or monomer water molecules are generated, the permeation effect is enhanced, and the corrosion resistance is improved. And the scale inhibitor is easier to go deep into a scale layer to disintegrate and loosen scale, and gradually falls off under the impact of water flow, so that scale inhibition and removal are realized.

The invention discloses a step frequency continuous wave ground penetrating radar imaging device and a rapid imaging method, and belongs to the technical field of microwave ground penetrating imaging. The vector network analyzer is adopted, the radio frequency power amplifier is carried, the ultra-wideband directional antenna is combined, signals of a step frequency continuous wave system are adopted, the frequency range is 700 MHz to 3 GHz, the bandwidth is large, meanwhile, the large transmitting power can be achieved, and meanwhile the requirements for the detection depth and the detection resolution are met; according to the method, direct wave interference is eliminated by adopting a singular value decomposition algorithm, then the effective signal strength is improved based on an automatic gain algorithm, and finally clutter interference is eliminated by adopting a block matching algorithm, so that the signal-to-noise ratio is improved; according to the method, an F-K migration imaging algorithm is developed, processed data are converted to a frequency wavenumber domain through Fourier transform, wavenumber domain data are filled before fast inverse Fourier transform, and the transverse space sampling rate and the imaging speed are increased.

The present invention proposes a capacitive-inductive integrated magnetic coupling mechanism based on an iron-based nanocrystalline magnetic core, comprising a transmitting-side magnetic coupling mechanism and a receiving-side magnetic coupling mechanism, wherein both the transmitting-side magnetic coupling mechanism and the receiving-side magnetic coupling mechanism are shielding layers formed by staggered lamination of iron-based nanocrystalline ribbons and organic insulating films, a double D coil is arranged on the shielding layer, and the double D coil and the shielding layer form a double D coil group, wherein the two D coils are connected in series in reverse order so that the currents flowing into the coils are in opposite directions, thereby being equivalent to the north and south poles of a magnet, and providing a closed magnetic circuit for the magnetic flux; the double D coil group integrates the inductance and capacitance in a resonant compensation circuit into the magnetic coupling mechanism at the same time, and the mechanism is mainly used in wireless power transmission systems, and the present invention integrates the resonant capacitor into the magnetic core to replace the expensive film capacitor in a traditional resonant converter, thereby improving the system power density and economy.

The medium voltage direct-hung DC power supply belongs to the field of power electronics. The power supply includes two converters and an output filter capacitor C o The two converters are converter No. 1 and converter No. 2. Converter No. 1 and converter No. 2 use the same circuit topology and control method. Each converter consists of a medium voltage rectifier circuit, a medium voltage inverter circuit, a single-phase transformer, a low voltage rectifier circuit and an output filter capacitor C. o1 Composition. The power supply uses a diode valve group and a thyristor valve group to bear current and transmit power, and adjusts the output voltage and transmission power by controlling the voltage at both ends of the bridge arm in series with the submodule; the structure of two converter outputs in parallel significantly improves the transmission power of the power supply, and at the same time, the medium voltage side is directly connected to the power grid, with a simple structure and high ease of use. The present invention has the advantages of a small number of devices, high power density, low cost, a wide output voltage range, and fault current limiting capability, and is also suitable for data centers, electric vehicle charging stations, hydrogen production and other fields.

This invention provides a novel scanning laser wind-measuring radar, employing a high-stability, narrow-linewidth semiconductor laser as the transmitting device. A high-speed optical switch precisely modulates the continuous laser in the time domain to generate ideal laser pulses. High-power amplifiers and low-noise amplifiers are used to enhance the transmitted power and echo signal quality, significantly compensating for the decrease in atmospheric echo power and improving range resolution and wind speed accuracy. The high-stability, narrow-linewidth laser improves the signal-to-noise ratio through a triple mechanism of increased coherence efficiency, reduced background noise, and sharpened spectral resolution, enabling long-range detection. When using a transceiver telescope system, it avoids a reduction in the scanning field of view due to a decrease in signal-to-noise ratio. The semiconductor laser solution is lighter than fiber lasers, suitable for airborne platforms, and enables miniaturized laser wind-measuring radar equipment. Furthermore, the high-stability, narrow-linewidth semiconductor laser used meets temperature and vibration stability requirements, ensuring the long-term reliability of the wind-measuring radar in field environments.

The invention provides electronic equipment, which comprises a radio frequency system, and the radio frequency system comprises a radio frequency transceiver module, a front-end module, a power division module and at least one radiator. The front-end module comprises a first front-end transmitting module and a second front-end transmitting module, one end of the first front-end transmitting module is electrically connected with the radio frequency transceiving module, and the first front-end transmitting module is used for transmitting a radio frequency signal supporting a first frequency band; one end of the second front-end transmitting module is electrically connected with the radio frequency transceiving module, and the second front-end transmitting module is used for transmitting a radio frequency signal supporting a first frequency band; the first end of the power dividing module is electrically connected with the first input end of the first front-end transmitting module, and the second end of the power dividing module is electrically connected with the second input end of the second front-end transmitting module; and the radiator is electrically connected with the output end of the power division module and is used for receiving radio frequency signals from the first front-end transmitting module and the second front-end transmitting module through the power division module so as to ensure the coverage range of the antenna.

The application discloses a 750-850nm waveband photonic crystal surface emitting laser and a preparation method, and belongs to the field of semiconductor lasers. The application is divided into surface etching and buried photonic crystal layer structures, uses n-GaAs as a substrate, combines surface etching or buried photonic crystal structures, uses amorphous silicon, titanium oxide, GaP or AlGaAs as main materials of a resonant cavity, utilizes large-area in-plane resonance and high coupling with a quantum well active layer, realizes low-loss resonance and optical gain, and realizes a 750-850nm waveband semiconductor laser with high light beam quality, high power and surface emission.

This application discloses a resonant DC / DC converter, system, method, and controller, including: a primary-side circuit, a resonant cavity, a secondary-side circuit, and a controller; the first terminal of the primary-side circuit is connected to a DC source, the second terminal of the primary-side circuit is connected to the first terminal of the resonant cavity, and the second terminal of the resonant cavity is connected to the secondary-side circuit; the controller is used to achieve zero-current turn-off of the primary-side circuit's switching transistor when the gain of the resonant DC / DC converter is less than 1, and when the gain of the resonant DC / DC converter is greater than 1, and when the switching frequency of the resonant DC / DC converter is greater than the resonant frequency of the resonant cavity, to achieve zero-current turn-off of the primary-side circuit's switching transistor. Thus, during startup, the switching transistor of the primary-side circuit of the resonant DC / DC converter can achieve zero-current turn-off, protecting the switching transistor.

The present invention relates to the technical field of phased array radar, and in particular to a target detection method, system and device based on phased array non-blind zone transmission, the steps are as follows: the radar repeatedly executes the first to third transmission modes to obtain a first echo signal corresponding to the first transmission mode, a second echo signal corresponding to the second transmission mode and a third echo signal corresponding to the third transmission mode; based on the first echo signal, the second echo signal and the third echo signal, target detection is performed to determine short-range target information and long-range target information. In the first and second transmission modes, the present invention uses a single array element to transmit a narrow pulse. Since the transmission power is low and the transmitting array element is far away from the receiving array element that receives in rotation, the isolation between the transmitting and receiving array elements is high, so short-range target detection is performed, and the short-range blind zone can theoretically reach 0 meters; in the third mode, the array elements are used to simultaneously transmit wide pulses, and the transmission power is high, which can be used for long-range target detection.

The invention belongs to the field of radar signal processing, and discloses a joint resource scheduling and transmission zeroing method and system based on reinforcement learning. According to the method, in a scene that a plurality of transmitting nodes and a plurality of receiving nodes cooperatively execute a target tracking task in a receiving and transmitting separated MIMO radar network, aiming at the problem that a traditional radar resource allocation method lacks dynamic real-time adjustment capability and lacks comprehensive consideration on long-term performance of radar system resources, firstly, the dynamic real-time adjustment capability and the comprehensive consideration on the long-term performance of the radar system resources are considered; according to the method, joint optimization is carried out by considering transmission zero setting and resource scheduling, emission waveforms, residence time and power distribution of nodes are taken as optimization variables, then, cumulative signal-to-noise ratio constraints and the low interception probability of a whole task are considered at the same time, an optimization model for minimizing the interception probability is provided, and finally, for the optimization model, the optimization model is optimized. An algorithm based on reinforcement learning is adopted for solving, specifically, a PPO algorithm is adopted, and finally the low interception probability and the resource management efficiency are improved.

The application provides a downhole electric drilling tool for gas drilling and an application method thereof, wherein the downhole electric drilling tool comprises a drill string joint, a power unit, a transmission unit and a drill bit, the drill string joint is fixedly connected to the upper end of the power unit, and the drill string joint is used for connecting the electric drilling tool with an upper drill string; the transmission unit and the drill bit are sequentially connected to the lower end of the power unit, the power unit comprises a power supply assembly and a motor, the power supply assembly is connected with the motor, and the power supply assembly can provide power for the motor; the transmission unit comprises a speed reducer, the speed reducer is connected between the motor and the drill bit, and is used for transmitting the power output by the motor to the drill bit to drive the drill bit to drill. The application adopts a mode that high-density storage batteries directly supply power to the electric drilling tool, and then a planetary reducer is used to obtain the torque required for sliding drilling of gas drilling, and the driving mode of a gas screw is abandoned, and the operation capacity and reliability are greatly improved.

The application discloses an AM transmitting signal modulation depth calibration method and device, and relates to the technical field of communication. The method comprises the following steps: initializing and configuring an AM transmitting link according to a control signal sent by an AM detection control link to obtain an initial AM amplitude modulation signal; performing signal conversion on the initial AM amplitude modulation signal to obtain an AM envelope digital signal, and performing preliminary AM carrier signal and modulation signal amplitude calibration according to the AM envelope digital signal to obtain a preliminary amplitude calibration result; generating a control signal of the AM transmitting link, traversing a working frequency range of the AM transmitting link according to the control signal of the AM transmitting link, and performing S2 to complete the AM modulation depth calibration point by point. The application can make the modulation depth of the AM transmitting signal meet the corresponding standard requirements, thereby improving the transmission quality and power utilization rate of the AM transmitting signal and ensuring the signal transmission efficiency.

The utility model provides a communication module and electronic equipment. The communication module comprises a radio frequency transceiver, a power amplifier and an access module, and the access module is connected between the radio frequency transceiver and the power amplifier. The access module comprises at least one straight-through access, at least one attenuation access and a switch unit, the switch unit is used for selectively conducting a target access, so that the radio frequency transceiver and the power amplifier are connected through the target access, and the target access is one of the at least one straight-through access and the at least one attenuation access; wherein the attenuation path is provided with an attenuation network, and the attenuation network is used for carrying out attenuation processing on the power of a radio frequency signal output by the radio frequency transceiver and transmitting the radio frequency signal after attenuation processing to the power amplifier when the radio frequency transceiver and the power amplifier are connected through the attenuation path. The communication module can realize smaller transmitting power, is low in cost, and improves the product competitiveness.

The invention discloses a forced cooling system suitable for a submarine cable landing section, a submarine cable is laid through a protection pipe during landing, one end of the protection pipe is located on the land, and the other end of the protection pipe extends into the sea; a water taking pipe is arranged at the bottom of the well, the other end of the water taking pipe is located in the sea, a water taking head is upwards arranged at the end of the in-sea side of the water taking pipe, the height of the water taking head is higher than that of the water taking well, and water is taken through pressure difference. Cooling water is sucked in from the water taking well through the water diversion piece, and the cooling water is input from the land end of the cable protection pipe and discharged from the sea end of the cable protection pipe. The controller controls the start and stop of the water diversion member and the flow and flow velocity of cooling water according to the core temperature of the submarine cable. Seawater is used as a cooling medium to cool the landing section submarine cable, and the purposes of increasing the carrying capacity of the landing section of the submarine cable and reducing the sectional area of the submarine cable are achieved. Cooling water is collected by utilizing pressure difference, so that energy is saved; the cooling water can be discharged into the sea after cooling the submarine cable, the operation energy consumption is low, and no water resource is wasted.

The application discloses a BWPT system power control method suitable for a variable receiving end of an electric vehicle. The system is composed of a network side and a vehicle side DC bus, a filter capacitor, a bidirectional full-bridge converter, a resonance compensation network, a magnetic coupling mechanism and a sampling and digital control module. The receiving end receiving coil structure is variable, and LCC or S compensation can be adopted. In the forward charging and reverse power feedback mode, the control module is based on the DC side voltage sampling and the power analysis model, and the rated output power is the primary target, and the system driving frequency and the external phase angle are adjusted. The method can realize stable and practical power control under the condition of "fixed primary side and variable secondary side".

The present application provides a low-complexity super-resolution 3D estimation method based on millimeter-wave MIMO radar, which solves the technical problems of low angle estimation resolution, poor angle resolution and high computational complexity of existing radars. It includes: using DDM-MIMO radar to obtain discrete intermediate frequency signals, preprocessing them in the frequency domain to obtain an angle data matrix; using an angle super-resolution algorithm to calculate the angle data matrix to obtain a three-dimensional parameter estimation result; wherein, the frequency domain preprocessing includes 2D-FFT preprocessing, target detection and deambiguation by adding additional empty bands; the angle super-resolution algorithm refers to obtaining a covariance matrix through beam space conversion and real-valued transformation, and then using a multi-stage Wiener filter to obtain a signal subspace, constructing and solving the shift-invariant equation of the ESPRIT algorithm, and obtaining a three-dimensional parameter estimation result. The present application can be widely used in the technical field of millimeter-wave MIMO radar.

The invention provides a transmitting and receiving sharing device for high-gain and high-sensitivity photon wireless signals and a preparation method of the transmitting and receiving sharing device for the high-gain and high-sensitivity photon wireless signals. Comprising a metal shell, and a silicon lens, a PCB circuit board, an optical fiber module, a PIN-PD integrated antenna chip and a planar antenna which are fixed in the metal shell, and a horn antenna interconnected with the metal shell. The high-gain and high-sensitivity receiving and transmitting shared device for the photon wireless signals provided by the embodiment of the invention not only can be used as a receiving device for the photon wireless signals, but also can be used as a transmitting device for the photon wireless signals; in addition, the photon wireless signal transmitting and receiving sharing device provided by the embodiment of the invention can achieve the effects of improving the signal transmitting power and improving the signal receiving sensitivity. In addition, the purpose of continuously adjusting the transmitting frequency can be achieved.

A vehicle seat system comprises a vehicle seat and a pneumatic system (1). The pneumatic system (1) has the following components: at least one fluid actuator (4) preferably arranged in a vehicle seat; a plurality of pumps (11-41, 12-42) which are operated in a piezoelectric manner or by means of an actuator with a dielectric elastomer; and a common pipeline system (L). The piezoelectric pumps (11-41, 12-42) or the pumps (11-41, 12-42) operated by means of an actuator with a dielectric elastomer are fluidically connected to one another and to the at least one fluid actuator (4) via the common line system, such that the pumps (11-41, 12-42) can be actuated, the at least one fluid actuator (4) is arranged such that the pump affects a fluid pressure or / and a fluid flow in the line system (L) and thus affects a fluid pressure in the at least one fluid actuator (4) or / and a fluid flow into or out of the at least one fluid actuator (4).

This application provides a vehicle-mounted communication terminal, a vehicle-mounted communication system, and a vehicle, relating to the field of vehicle networking technology. The vehicle-mounted communication terminal includes a processing component and a satellite short message component. The satellite short message component is connected to the satellite communication terminal of the processing component. A general-purpose integrated circuit card (GPIC) is built into the satellite short message component, containing a BeiDou user identifier. The processing component receives communication information and sends it to the satellite short message component. The satellite short message component sends the communication information and the BeiDou user identifier to the BeiDou satellite in short message format. The communication information includes receiving device information and specific communication content. The BeiDou user identifier is used to uniquely identify the vehicle-mounted communication terminal in the BeiDou network. This application can solve the problem of vehicles being unable to communicate when terrestrial communication networks are unavailable.

This application provides a signal processing method and a related apparatus. The method is applied to a network device including a plurality of feed source channels. The method includes: receiving sounding signal information from user equipment, where the sounding signal information includes N pieces of sub-sounding signal information received by N antennas of the network device; performing first weighting processing on the sounding signal information based on a first matrix, to determine first signal information; determining a channel weight of to-be-sent signal information based on the first signal information, and weighting the to-be-sent signal information based on the channel weight, to determine N pieces of second signal information; performing second weighting processing on the N pieces of second signal information based on a second matrix, to obtain N pieces of third signal information, where the second matrix is an inverse matrix of the first matrix; and sending the corresponding third signal information by using the N antennas of the network device. Transmit power of antennas corresponding to a plurality of channels is reallocated based on uplink channel quality of the user equipment, so as to improve a coverage area of an antenna in which the user equipment is located.

The invention relates to a small signal diffusion networking method for wireless network equipment, which comprises the following specific steps of: step 1, wireless area division: equally dividing a field which needs to be covered by the wireless network equipment into a plurality of areas; step 2, intelligent equipment investigation: carrying out intelligent equipment statistics on the fields divided in the step 1 by using signal investigation equipment, and respectively calculating the proportion of the intelligent equipment in each area; step 3, power primary distribution of the wireless network equipment: distributing the total power transmitted by the wireless equipment according to the proportions of the intelligent equipment in different areas; according to the method and the device, the area needing to be covered by the wireless network is divided, the intelligent equipment proportion of the divided area is calculated, and the transmitting power of the corresponding area is distributed according to the proportion data, so that the transmitting power of the wireless network can be increased in the area with more intelligent equipment proportion, and reasonable distribution of the transmitting power of the wireless network is realized.

The utility model discloses an active device for signal synchronization of a cinema 3d film and 3d glasses, and relates to the technical field of image signal processing, and the active device comprises a mainboard, and an infrared transmitter, a knob, a display screen and a laser calibrator which are connected with the mainboard; the mainboard is used for receiving a synchronizing signal of the projector and driving the infrared transmitter to output an infrared signal according to the synchronizing signal, is also used for detecting the state of the infrared transmitter and displaying the state through the display screen, and is also used for controlling the laser calibrator to debug the synchronizing signal; the infrared transmitter is provided with a plurality of lamp beads so as to increase the infrared signal transmitting power; the synchronizing signal is used for synchronizing a 3d movie and 3d glasses; and the knob is used for controlling the synchronous signal to be output in advance or in a lagging manner. According to the invention, the 3d movie and the 3d glasses can be subjected to signal synchronization in time, and the playing effect is improved.

The embodiment of the invention discloses a power adjustment method and device, a user terminal, a server and a storage medium, and the method comprises the steps: determining a current frequency point employed by UE, a current frequency band to which the current frequency point belongs comprising at least one frequency point, and the current frequency point being any one of the at least one frequency point; power compensation values corresponding to the current frequency point and initial transmitting power corresponding to the current frequency band are obtained, at least one frequency point corresponds to one power compensation value, and the power compensation values are obtained according to insertion loss values corresponding to the frequency points; the initial transmitting power corresponding to the current frequency band is obtained according to the maximum insertion loss value in all insertion loss values corresponding to the current frequency band; obtaining target transmitting power according to the power compensation value corresponding to the current frequency point and the initial transmitting power corresponding to the current frequency band; the transmitting power of the frequency point with the small insertion loss value under the same frequency band can be improved, the communication connection success rate under the weak network environment or under the condition of the large pedestrian flow can be improved, and the user experience is improved.

The invention discloses leather part drying equipment. The leather part drying equipment comprises a drying oven and a hot air assembly. A drying space is defined in the drying oven, a positioning piece is arranged in the drying oven, the leather part is suitable for being placed on the top wall of the positioning piece, the positioning piece is matched with the leather part in a positioning mode, an avoiding groove is formed in the bottom wall of the positioning piece, and an ultrasonic transmitting piece is arranged in the avoiding groove and suitable for being opposite to the leather part. The ultrasonic transmitting part is used for transmitting ultrasonic waves to the leather part so as to remove moisture in glue of the leather part; the hot air assembly communicates with the drying space and is used for blowing hot air to the drying space to dry glue of the leather parts. And in the process of drying the glue through the hot air, moisture in the glue of the leather parts is further removed through ultrasonic waves, so that the drying time of the leather parts can be shortened, and the production efficiency of the leather parts can be improved.

The invention discloses a liquid cooling super charging pile for rapid charging of a seabed unmanned aerial vehicle, and relates to the technical field of charging piles, the liquid cooling super charging pile comprises a charging pile body and a base, an operator is fixedly mounted on the outer surface of the charging pile body, and a moisture-proof mechanism is arranged between the base and a sealing plate; a charger is movably installed on the inner side face of the charging pile body, and a buffering mechanism for reducing vibration is arranged between the charging pile body and the charger. A dustproof net is fixedly installed on the outer surface of the charging pile body, and an adjusting mechanism is arranged between the dustproof net and the supporting base. According to the liquid cooling super charging pile for rapid charging of the seabed unmanned aerial vehicle, a buffer spring is driven by a sliding block to stretch out and draw back, so that generated vibration is relieved, damage to equipment is reduced, the charging pile body is fixedly supported through a supporting base, the equipment in the supporting base is protected through a sealing plate, and circuit faults caused by the fact that the internal equipment is affected by moisture are prevented; the insulating property of the circuit is reduced and the charging efficiency of equipment is influenced.

The present invention discloses a rotary drive device based on electro-hydraulic composite drive, comprising an electric generator, a hydraulic pump / motor, a hydraulic circuit and a rotating part, wherein the first end of the rotating shaft of the electric generator is transmission-connected to the rotating part, the second end of the rotating shaft of the electric generator is transmission-connected to the rotating shaft of the hydraulic pump / motor, and the hydraulic pump / motor is provided with a hydraulic chamber 1 and a hydraulic chamber 2, and both the hydraulic chamber 1 and the hydraulic chamber 2 are connected to the hydraulic circuit. Compared with the prior art, the present invention combines the advantages of high-precision control of the electric motor and high transmission power of the hydraulic pressure, and realizes the high control precision, strong driving ability and high power density of the present invention.

The invention relates to the technical field of hydrological observation in-hole osmometers, in particular to an integrated installation device and method for a hydrological observation in-hole osmometer. Comprising observation holes, a base and a hollow rod, the observation hole is vertically arranged and is located under the ground; the base is fixedly connected to the ground and located above the observation hole. The interior of the hollow rod is hollow, and the hollow rod is vertically arranged and fixedly connected to the upper surface of the base; the osmometer terminal is fixedly connected to the top end of the hollow rod, one end of the osmometer cable is connected with the osmometer terminal, the other end of the osmometer cable penetrates through the hollow rod and the base and extends into the observation hole, and the osmometer probe is connected with the other end of the osmometer cable. The installation efficiency and accuracy of the osmometer are improved, the cable routing is regular, the osmometer can be protected, and the osmometer is prevented from being damaged by the external environment.

The application relates to an enhanced detection method based on a reconfigurable intelligent surface assisted radar, which comprises the following steps: an electromagnetic scattering characteristic model of an enhanced detection system comprising a radar, a target and an RIS array is established; a power ratio of a radar direct link and an RIS link is obtained based on the electromagnetic scattering characteristic model, and the power ratio of the radar direct link and the RIS link is used as an optimized objective function; the reflection coefficient matrix of the RIS array is optimized and solved to maximize the objective function, so that an optimal coding matrix is obtained; the reflection coefficient of each RIS unit is obtained according to the optimal coding matrix, and then the state of each unit of the RIS array is obtained, and an enhanced detection system integrating the RIS array and the radar is constructed. According to the application, a new autonomous controllable transmission link is constructed between the target and the radar receiver, and the radar system only needs to perform coherent processing on the double-link received echo signals in the back-end signal processing, so that the radar receiving echo power can be enhanced.