121results about How to "Implementation environment" patented technology

The invention belongs to the field of construction safety monitoring and wireless communication and discloses a construction tunnel safety protection method based on a wireless sensor network and a monitoring system thereof. The method is as follows: by acquiring environment, work amount and locating data of personnel in a tunnel, realizing alarming services of six types of dangerous situations and corresponding safety protection means, calling a protection plan to take protection measures on key parts of the system when emergent (dangerous) events occur, and with the purpose of guaranteeing personal safety, releasing a control command. The system comprises a wireless sensor network based on industrial wireless communication standard WIA-PA, a positioning network and a mobile network. If the dangerous situation develops further, the system exchanges data with a remote mobile server by a 3G network, leads a community security system into the range of a construction tunnel safety protection system, and provides united rescue of communities and disaster control services. The invention is used for tunnel construction safety monitoring, and a computer or 3G mobile equipment can obtain construction site information at any time; and the installation of the WIA-PA wireless network is flexible, and the formed safety protection system and sensing early-warning network make contribution to solving the problem of tunnel safety construction fundamentally.

The invention discloses a simultaneous localization and mapping (SLAM) method for an unmanned aerial vehicle based on mixed vision odometers and a multi-scale map, and belongs to the technical field of autonomous navigation of unmanned aerial vehicles. According to the SLAM method, an overlooking monocular camera, a foresight binocular camera and an airborne computer are carried on an unmanned aerial vehicle platform; the monocular camera is used for the visual odometer based on a direct method, and binocular camera is used for the visual odometer based on feature point method; the mixed visual odometers conduct information fusion on output of the two visual odometers to construct the local map for positioning, and the real-time posture of the unmanned aerial vehicle is obtained; then theposture is fed back to a flight control system to control the position of the unmanned aerial vehicle; and the airborne computer transmits the real-time posture and collected images to a ground station, the ground station plans the flight path in real time according to the constructed global map and sends waypoint information to the unmanned aerial vehicle, and thus autonomous flight of the unmanned aerial vehicle is achieved. Real-time posture estimation and environmental perception of the unmanned aerial vehicle under the non-GPS environment are achieved, and the intelligent level of the unmanned aerial vehicle is greatly increased.

The invention discloses a vision navigating method for a movement carrier based on the laser plane assistance. The method comprises the following steps: building a distance measurement and environment system, determining the position of a rectangular bright spot to be detected in an image, determining the center coordinate of the rectangular bright spot, obtaining a geometric distance measurement model, correcting the distance measurement model, segmenting the visual image, determining a local vectorization environmental space with distance information, positioning the position of the carrier per se, and building a global environmental space. Through the adoption of the method different from the traditional movement carrier autonomous navigation middle distance obtaining method, a laser plane is introduced as an auxiliary means, a single or a plurality of vision sensors are combined, the threadlike bright spot formed by the reflection of the laser plane on an object to be irradiated is fully utilized and taken as an cooperated distance measurement target, and the geometric relationship between the vision sensor and a laser light source is effectively utilized, so that the requirements for the precision, yield ratio and real-time performance of the distance calculating can be met. Therefore, the method is a reliable navigation method, and can be applied to a movement carrier autonomous navigation system.

The disclosure is related to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The disclosure is related to a precoding/beamforming using a massive antenna. A method for operating a base station in a wireless communication system includes transmitting vertical reference signals and horizontal reference signals that are generated based on an interference relation between terminals, receiving long-term channel information determined by using the vertical reference signals and the horizontal reference signals, transmitting group-specific reference signals beamformed by a first beamformer generated based on the long-term channel information, receiving short-term channel information determined by using the group-specific reference signals, and transmitting a data signal beamformed by a second beamformer generated based on the short-term channel information.

The invention discloses a selective zinc oxide leaching and weak acidic zinc sulfide flotation smelting and selection combining process. For oxygen and sulfide mixed lead zinc ore, a zinc wet-method smelting process and a zinc flotation process are combined, zinc oxide in the ore is partially and selectively leached out by the first wet-method smelting process, and then zinc sulfide in the ore is floated out by the flotation process. In order to overcome the difficulty in treating the oxygen and sulfide mixed lead zinc ore, the invention provides the smelting and selection combining process which is short in process flow, reliable in technology, easy to operate and control, relatively low in material consumption and energy consumption for production, high in metal reclaiming efficiency, relatively good in economic benefit and high in practicability, the recovery of lead and zinc in the low-grade complex difficultly-selected oxygen and sulfide mixed lead zinc ore can be greatly improved, and the total recovery of lead and zinc can be up to over 90 percent.

An annoyance degree assessing method for a combined effect of environmental vibration and noise of a subway. The method comprises: according to a linear correlation between a degree of vibration felt by human bodies and a vibration level, establishing an annoyance degree membership function in a subway vibration environment by using a fuzzy mathematics method; introducing a normal distribution function to describe uncertainty of a vibration reaction caused by individual differences; coupling the annoyance degree membership function and the normal distribution function, to establish an annoyance degree model of environmental vibration of a subway; obtaining an annoyance degree model of environmental noise of the subway by using the same method; and determining an annoyance degree feature of people under a joint action of vibration and noise according to a result of a sampling survey, establishing a combined annoyance degree mathematical model, and inputting measured vibration and noise data into the model, so as to calculate a combined annoyance degree in the environment of vibration and noise. The assessing method can calculate the relatively accurate annoyance degree of the people in the environment of vibration and noise, and implement environmental quantitative evaluation and grading of a subway area, so as to provide guidance for space resource exploitation and utilization, vibration preventiion and noise reduction in an area near a subway.

The invention discloses an environmental privacy protection processing method and system based on face recognition. The processing method includes the steps: continuously acquiring peripheral image information of an electronic device by the electronic device through an image acquisition module; performing face recognition and calculation for the continuously acquired image information, recognizing the number of facial elements in images, determining the number of faces, analyzing predetermined action thresholds according to the number of the faces in image information data and change of facial image characteristic data corresponding to the facial elements, and judging whether a third person joins except for a protagonist within a limited viewing field of vision or not; controlling and issuing predetermined user warning operation and response to remind objects facing a camera shooting device or a camera when the third person joins except for the protagonist. By the aid of the method and the system, environmental privacy and safety of parts of the objects can be realized, face recognition warning functions can be achieved, warning can be automatically recognized, and safety is improved by the aid of the predetermined warning operation.

The invention discloses an MEMS thermal type wind speed sensor having an on-chip self calibration function. A thermal temperature difference signal provided by a heating element on a sensor encapsulation surface replaces a temperature difference signal generated by a wind tunnel, so the problem that sensor measurement and calibration must be performed in wind tunnel environment is prevented. The sensor has the advantages of simple structure encapsulation, very low testing cost and convenient maintenance, and can perform calibration detection on site.

The invention relates to an environmental evolution and impermeable failure analog simulation system for a refuse landfill closure coverage system and belongs to the technical field of environmental engineering. The analog simulation system consists of a man-made climate system, a coverage system failure test platform, a digital imaging system, a stress-temperature-moisture monitoring system, a flow and sediment monitoring system and an environment parameter control and acquisition analysis system. The simulation system can be used for realizing environmental evolution and impermeable failure analog simulation of the closure coverage system under external dry-wet alternation and freezing and thawing cycle and internal high-temperature and supernormal environment conditions of the refuse landfill, dynamically monitoring multiple parameters such as the vegetation root growth, crack extension, stress-temperature-moisture distribution and subsurface runoff sediment and infiltration rainwater amount inside the closure coverage system and comprehensively analyzing the multiple parameters through the environment parameter control and acquisition analysis system.

The invention belongs to the field of high polymer materials and in particular relates to a degradable resin-starch-kenaf extruded plastic master batch. The degradable resin-starch-kenaf extruded plastic master batch comprises the following components by volume percent: 30%-60% of polyethylene, 0-50% of starch and 5-40% of kenaf, wherein the polyethylene is composed of low-density polyethylene and maleic anhydride modified polyethylene in the volume ratio of (0.2-5):1. The extruded composite resin (master batch) material with higher tensile strength and good processing performance is prepared by virtue of a molecular design method; the biodegradation rate is 40%-70% in the presence of aerobiont; the using performance and the processing performance of the composite material are similar to those of the polyethylene, so that the material is green and environment-friendly, and therefore, the purposes of protecting the environment, efficiently utilizing the resources and lowering the cost are achieved.

The invention belongs to the field of environment simulation configuration and test of media players based on point-to-point data transmission, and provides a test method and a system for media players based on the point-to-point data transmission. The method includes configuring a test environment of the point-to-point data transmission, simulating scenes and observing effects, and calculating the efficiency of the point-to-point data transmission. The system comprises a content delivery network (CDN) server, a Tracker server and a plurality of node terminals. Aiming at playing effects of the media players based on the point-to-point data transmission and handling of various abnormal situations, the point-to-point data transmission environment simulation configuration and test coverage within a small scale can be achieved.

The high performance water lubricated mechanical driving system based on new type of composite engineering material includes a high elasticity shaft coupler, a sealing device, a front water lubricated bearing, a back water lubricated bearing, and a water supplying system. It his natural water as lubricating medium and has or has not dynamic sealing device mounted through the back water lubricated bearing to constitute a closed or opened water lubricated mechanical driving system. Compared with traditional mechanical driving system, the high performance water lubricated mechanical driving system has greatly lowered friction, wear, vibration, noise and no-work loss, greatly raised reliability, saving in mineral oil and noble metal material, and environment friendship, and may be applied widely.

The invention is a method for manufacturing a micro dynamic pressure resistance pressure sensor, using MEMS silicon micromachining method to manufacture a micro pressure sensitive chip of an E-type silicon cup force sensitive structure; the back of the chip is welded with Pyrex or GG-17 glass ring plate to form a pressure sensitive component; the naked surface of the glass ring is pasted at the upper end of the a ceramic pipe provided with spline groove on the circumferential surface, which are provided with silver baking electrode; the lead of the pressure sensitive component is an inner lead welded on an inner pressure soldered dot on the right side of the chip, and the other end of the inner lead is welded to the upper end of the silver baking electrode, the outer lead is welded to the lower end of the silver baking electrode; the pressure sensitive component is put in the outer pipe of the sensor and seal-boned with the outer pipe; the top of the sensor is welded with a top cover, and a small hole is made in the center of the top cover corresponding the chip; a micro cable drawing out the outer lead is fixed by injection component with a micro air pipe connected with back pressure cavity of the chip and then they are bonded to the bottom end of the outer pipe of the sensor; and the manufactured sensor has very strong light resistance and electromagnetic interference resistance and prevents destructive impacts.

The invention provides a bubble drainage treatment process, which belongs to the technical field of mining drainage treatment, and comprises the following steps in sequence: oil separation, demulsification coagulation, catalytic oxidation, complex coagulation, hard removal, low temperature evaporation and SBR biochemical treatment. The bubble drainage treatment process provided by the present invention realizes the treatment goals of harmless, reduction and resource utilization of gas extraction wastewater in gas fields; ensures the normal production of gas fields, and does a good job in pollution prevention and energy saving and emission reduction; eliminates environmental hidden dangers, protects Ecological environment of the gas field; speed up the construction of "ecological engineering" of the gas field, promote the harmonious and scientific development of the local economy and the gas field, and achieve a win-win situation for the economy and the environment.

The invention discloses an environment control type air handling unit. The environment control type air handling unit comprises a box body, a controllable adjustment primary filtration system, a controllable adjustment medium efficiency filtration system, a controllable control heat transfer system, an adjustable control power system, an air quality concentration sensor, an air temperature sensor, an air humidity sensor and a control system. An air return port and a fresh air port are sequentially formed in one end of the box body, and an air supply port is formed in the other end of the box body. All the systems are sequentially adjacently arranged in the box body, and the controllable adjustment primary filtration system and the fresh air port are adjacently arranged. The systems and the sensors in the box body are connected with the control system respectively. According to the environment control type air handling unit, based on comparison and matching of the outdoor environment actuality with the indoor environment requirement, the filtration systems of various levels and the heat transfer system of the air handling unit are controlled to close or open, input and output of the power system are adjusted, environment control and energy saving are achieved during different seasons and different time periods and when different application environments change, and the using requirements are met.

The invention relates to the field of deep processing of fruit wine, vegetable wine, food wine and Chinese herbal medicinal steeping wine, in particular to a novel method for making novel high-quality wine with high-medium degrees. The method is characterized by comprising the following steps of: freezing fully-brewed fermented raw wines with and without mash into an ice cube by using vacuum freeze-drying equipment or low-temperature freezing equipment, controlling the gradual heating of the vacuum freeze-drying equipment or the low-temperature freezing equipment to gradually unfreeze the ice cube, extracting the wines to obtain wines with different alcohol degrees in a subsection mode in the unfreezing process by utilizing the physical characteristic that the alcohol and fragrant substances in the wine are volatized and unfrozen before water, and subsequently blending the wines with different alcohol degrees according to needs. The wine made by the method has better mouth-feel; active ingredients in raw materials can be better reserved; and moreover, the whole brewing process is more environment-friendly.

The invention discloses a gas insulated bus grounding device which comprises the components of an inflation chamber body which comprises an inflation chamber and a pressure releasing channel, wherein a pressure releasing device is arranged between the pressure releasing channel and the inflation chamber, and the inflation chamber is provided with a self-sealing valve; six bus sleeves which are mounted on a side plate of the inflation chamber, wherein two bus sleeves are in one phase and are arranged in a facing manner; three phase main buses which are arranged in the inflation chamber, wherein each phase main bus is arranged between the two bus sleeves of a corresponding phase, and each phase main bus is connected with the main bus of an external switchgear through the two bus sleeves of the phase; three phase grounding assemblies in the inflation chamber, wherein the upper end of each phase grounding assembly is connected with the main bus of the corresponding phase, and a guide rod lower supporting in each phase grounding assembly is connected with one side plate in the inflation chamber; and a driving mechanism which drives the three-phase grounding assembly for realizing grounding switching-on and grounding switching-off. The gas insulated bus grounding device realizes reliable grounding of the main bus of the gas insulated switchgear and furthermore has advantages of high on-and-off capability, small size and high safety.

The invention discloses a risk assessment method for a sudden drainage basin water environment of a hazardous chemical production enterprise, and the method employs an environmental sensitive receptorinfluence derivation method, takes an environmental sensitive receptor as an assessment basis, and carries out the environmental risk assessment according to the influence degree of the leakage amount of substances stored or produced in an enterprise factory on the environmental sensitive receptor. And for the region with the environmental risk, determining the environmental risk level of the region in combination with the level of the environmental sensitive receptor. And further according to the provided dangerous chemical storage planning line, taking the dangerous chemical storage planning line as an auxiliary decision-making basis for finally determining a dangerous chemical storage scheme. The invention further discloses a risk assessment system for the sudden drainage basin water environment of the hazardous chemical substance production enterprise, the risk assessment system helps the enterprise to carry out daily environment risk management, early warning, environment emergency disposal and other work, and the environment risk management level is improved. And meanwhile, the prediction simulation of an emergency environment event is realized, and the environmental emergency disposal level is improved.