45 results about "Weather and climate" patented technology

An LED display module having features for improvement over prior art devices by providing novel features for improved LED visibility, improved weather and climatological sealing, improved electromagnetic interference (EMI) suppression, improved heat dissipation, and improved airflow.

The invention relates to a method and a device of railway roadblock detection and alarm based on radar return characteristics. When a train drives at a high speed, a radar detector abstracts the radar return characteristics of the front road surface in real time. According to information of the train position supplied by a global position system (GPS) inertial navigation system, a data processing and display and control and warning platform reads previous echo characteristic statistical data of the train at safe driving from a memorizer, and compares the train position information with the previous echo characteristic statistical data. If the echo characteristics have abnormal fluctuation, a system can send out a warning signal, and sufficient processing time is supplied to a driver on the premise of guarantee of a safe brake distance. A millimeter-wave radar related in the railway roadblock detection and alarm device is long in detection distance, and high in resolution ratio, can obtain information of the front road surface through real-time processing of the signals, can not be affected by weather and climate, is simple an practical in system, and can meet requirements for roadblock detection.

The present invention relates to satellite systems and more particularly, to the provision of a satellite system for weather and climate monitoring, communications applications, and scientific research at higher latitudes, referred to as the circumpolar region and defined here as the area with latitudes greater than 60°, in either the northern hemisphere or the southern hemisphere. Contrary to the teachings in the art it has been discovered that a satellite system and method may be provided using satellites in 24 sidereal hour orbits (geosynchronous) with inclinations (70° to 90°), orbital planes, right ascensions and eccentricities (0.275-0.45) chosen to optimize coverage of a particular service area located at high latitudes. A constellation of two satellites can provide continuous coverage of the circumpolar region. The satellites in this orbit avoid most of the Van Allen Belts.

The invention discloses a portable earth surface roughness measuring instrument, comprising a horizontal rotation driving device and a radial moving arm which is connected with the output terminal of the horizontal rotation driving device and can horizontally rotate by taking the output terminal as the center as well as a controller, wherein the radial moving arm is provided with a sliding block which can move along length direction of the radial moving arm; the sliding block is fixedly connected with a distance measuring device and is used for measuring a distance between the sliding block and an upper cushion surface in vertical direction and a distance between the sliding block and a lower cushion surface in the vertical direction; and the controller is used for controlling rotation output of the horizontal rotation driving device, moving of the sliding block on the radial moving arm and starting of the distance measuring device, receiving a measuring result of the distance measuring device, calculating an earth surface roughness result according to a program preset in the distance measuring device and displaying, storing and sending data. The portable earth surface roughness measuring instrument disclosed by the invention has a simple mechanical structure, low cost and high measurement accuracy, is light, handy and portable and can be applied to measurement on the earth surface roughness of the lower cushion surface in agriculture, soil science, weather and climate predication, geology, microwave remote sensing and other fields.

This invention relates to a safety system of vehicle monitor information including a CPU and a camera unit, in which, said system also includes a local data access unit, the CPU gets the video information generated by the camera unit in definite time intervals to be edited and processed and stored in the local data access unit, which sets a read control program and refreshes the stored data in terms of the principle of FIFO, therefore, the information storage of this invented safety system does not rely on radio network only and always keeps the latest information as the proof.

A Halloween costume particularly adapted to accommodate changes in weather and climate is disclosed. The Halloween costume may be sold in varied geography and be worn regardless of seasonal and whether variation. The inventive Halloween costume comprises several garment member portions which completely define the appearance of the Halloween character. The insulative material is disposed over at least a portion of the first garment base member portion. Another portion of the costume comprises a venting material which functions as a ventilator for the Halloween costume. At least one decorative member is secured to the Halloween costume. The decorative member further outlines the appearance of the Halloween character.

The invention discloses a method for recognizing a cloud based on a mie-scattering laser radar with equalized value distribution. The method comprises the steps that a mie-scattering laser radar signal is input; semi-discretisation data processing based on noise estimation is carried out on the mie-scattering laser radar signal; data distribution equalization is carried out on the mie-scattering laser radar signal; the background base line of the mie-scattering laser radar signal is generated; the mie-scattering laser radar signal is layered and recognized based on the background base line. Through the method, the importance of a smoothness problem in the cloud recognition process can be weakened, meanwhile, the background base line adapting to signal changes by itself is found out, and therefore the problem that a current algorithm overly depends on smoothness or missing detection happens to weak cloud echo signals is solved, the recognition rate of cloud signals in the observation process is guaranteed, and the data quality of cloud observation is improved, and more accurate observation data are provided for weather and climate study and forecasting.

The invention discloses a hydraulic multi-cable lifting conveying device. A cable reel on which a cable can be reeled up is mounted on a base of a fixing support through a support frame. The top of the fixing support is equipped with a lifting mechanism. The front end of the lifting mechanism is connected with a cable conveying mechanism. A telescopic support and suspension cantilever of the lifting mechanism and a rotating friction wheel structure of the cable conveying mechanism can quickly convey shore connection cables onto a ship. A gear shift mechanism can be adapted to the lifting needs of one or more cables. A constant tension structure of the cable reel can make the cable in a dynamic balanced state, and the service life of the cable is prolonged. Through a moving mechanism at the bottom of the fixing support, the hydraulic multi-cable lifting conveying device can be adapted to outdoor fixed installation, can also be made mobile to facilitate site evacuation, and is suitable for the using needs in different environments. The hydraulic multi-cable lifting conveying device is rainproof and windproof, operates free from the influence of weather and climate, has high working efficiency, low labor intensity and good cable protection effect, is easy to maintain, saves both time and labor, causes no damage to the cable, and is high in safety factor and easy to operate.

The invention relates to a circular steel tube column in threaded connection and a construction method. The circular steel tube column in threaded connection comprises a plurality of circular steel tube column units, the circular steel tube column units are in threaded connection at splicing segments, and the circular steel tube column units are linked to the splicing segments by use of welding. A circular steel tube column unit at an upper segment is provided with crowbar holes enabling crowbars to pass through; and when two circular steel tube column units adjacent to each other at an upper position and a lower position are hoisted in place, and the upper-segment circular steel tube column unit is screwed tight through applying forces to the crowbars inserted into the crowbar holes so as to finish threaded connection between the circular steel tube column units. The threaded connection pitch point provided by the invention overcomes the disadvantages of low efficiency of onsite welding pitch points, low quality, influences exerted by weather and climate and the like. The requirements for technical level of installation workers are reduced, and the circular steel tube columns can be spliced through simple operation.

The present invention provides portable humidors 1) designed to withstand the rigors of travel, as well as varying weather and climate conditions, while securely retaining, and maintaining the smokable integrity of any cigars stored inside, and 2) designed with an audio speaker system.

The invention relates to a method for improving the infusion efficiency of the infusion method, specifically the method and device for high-pressure infusion of arboriflora infusion, in which holes are drilled at 5-10 cm from the branch point of the tree, and a pressurized infusion bottle is used to infuse the holes 600-800 ml of aroma-containing liquid; after the aroma-containing liquid is infused, use a stopper to tighten the hole. The high-pressure infusion method for A. argentina provided by the present invention is simple to operate, greatly shortens the input time of the arborescence liquid by using high-pressure branch infusion, is not affected by weather and climate, and can be implemented in cloudy and rainy days, and the pressurized infusion method can be used in rainy days. The efficiency of day-to-day infusion is 30% higher than that of ordinary infusion method in suitable weather.

The invention relates to a threaded-connection square steel pipe column and a construction method. The threaded-connection square steel pipe column comprises a plurality of square steel pipe column units, the square steel pipe column units are in threaded connection by arranging round steel pipes with threads at the splicing sections, and the square steel pipe column units and the round steel pipes with the threads are connected through weld seams and multiple layers of splicing plates. Each square steel pipe column unit located on the upper section is provided with crowbar holes, when every two square steel pipe column units adjacent vertically are hung in place, force is exerted on a crowbar inserted into the crowbar holes to screw down the square steel pipe column unit located on the upper section, and threaded connection between the square steel pipe column units is completed. The defects that on-site joint welding is low in efficiency and quality and are affected by weather and climate are overcome. The requirement for the technological level of installers is lowered, and round steel pipe columns can be spliced through simple operation.

The invention discloses a meteorological satellite dynamic tropospheric top height inversion method, and the method comprises the following steps: obtaining the data and positioning information of a real-time static meteorological satellite imager, and calculating the brightness temperature of a middle-layer water vapor channel, the brightness temperature of a high-layer water vapor channel and the brightness temperature of a long-wave infrared channel; acquiring real-time three-dimensional temperature field information of the numerical forecasting mode, and performing space-time matching witha meteorological satellite; obtaining the average specific humidity of the middle layer and the high layer of the troposphere, inputting the obtained prediction factor data into a regression prediction model, and obtaining the top height of the dynamic troposphere through an inversion calculation formula; and outputting a result obtained by inversion calculation according to pixels. The tropospheric top height result obtained through the inversion method is consistent with the inversion result in the prior art, effectiveness is achieved, dynamic tropospheric top height data with higher spatial resolution and time resolution than an existing inversion method can be obtained, and obtaining of mesoscale structure information and weather and climate characteristics of the tropospheric top isfacilitated.

The invention discloses a preparation method for microbial lipid-based polyhydric alcohol. The method comprises the following steps of adding alcohol and an acidic catalyst into epoxidation microbial lipid, terminating reaction by use of a sodium carbonate solution after stirring reaction for 1-6 hours at a constant temperature of 40-90 DEG C, washing an obtained crude product with hot water so that the solution becomes neutral, and then performing reduced pressure distillation and dehydration on the product obtained through washing to obtain the target product. According to the method, the microbial lipid adopted by the method takes maize straws and rice straws as raw materials, and the production cost is low, so that large-scale industrial production is easily realized. The microbial lipid-based polyhydric alcohol prepared by the method is wide in hydroxyl value distribution, and not only can be used for preparing a flexible polyurethane foam material, but also can be used for preparing a rigid polyurethane foam material; the problems in the prior art that the production cycle of animal and vegetable lipid is long, the production is limited by weathers and climates, and additional cultivated land resources are occupied are solved, the problem of competing for grains with human beings is solved, and the method has good economic benefits and wide application prospect.

The invention discloses a solar heat collection system photo-thermal efficiency prediction method based on GA-GRNN. The method comprises the following steps that 1), parameters of the solar heat collection system are determined; 2), training test data of a network are collected and distributed; 3), a GRNN structure is constructed; 4), an optimal smoothing factor sigma is determined through GA; 5),the GA-GRNN is trained so as to obtain a trained GA-GRNN; 6), the GA-GRNN is tested, and the test data selected in the step 2 are input into the GA-GRNN which is trained in the step 5 for testing; and 7), the photo-thermal efficiency prediction is carried out by using the GA-GRNN trained in the step 6 to obtain the photo-thermal efficiency prediction result of the current solar heat collection system. According to the photo-thermal efficiency prediction method, the uncertainty of weather and climate factors can be remedied, the difficulty of data collection is greatly reduced, and the photo-thermal power of the solar heat collector can be accurately predicted.

The present invention relates to satellite systems and more particularly, to the provision of a novel, non-geostationary satellite system and method for weather and climate monitoring, communicationsapplications, scientific research and similar tasks, with global coverage. Contrary to the teachings in the art it has been discovered that global coverage may be obtained using a constellation of sixsatellites in two orthogonal, 24 sidereal hour orbits (geosynchronous) with inclinations of 70 to 90degrees, and eccentricities of 0.275 - 0.45. By placing three of the satellites in a first orbit with an apogee over the north pole, and three of the satellites in a second, orthogonal orbit with an apogee over the south pole, global coverage may be obtained. As well, the satellites in these orbitsavoid most of the Van Allen Belts.

The invention provides a cadastral surveying system based on a multi-platform laser radar. The cadastral surveying system based on the multi-platform laser radar comprises a multi-platform laser radarsystem, a data resolving module and a point cloud data preprocessing module. The multi-platform laser radar system drives into a surveying area or flies over the surveying area from the outside of the surveying area, data acquisition is carried out according to an acquisition route surveyed and designed in the earlier stage of a project, whether the acquisition route and an acquisition area are complete or not is checked after the acquisition is completed, and supplementary surveying is timely carried out if omissions exist to ensure data integrity. The data resolving module is used for static data conversion of a base station and POS data fusion resolving. The point cloud data preprocessing module is used for converting original laser data into laser point clouds in las format under a WGS84 coordinate system. The cadastral surveying system based on the multi-platform laser radar can reduce the number of field surveying personnel, reduce the implementation cost, have little dependenceon weather and climate, have high acquisition efficiency, convert the main working time into office work production, and improve the operation efficiency by more than 7-10 times.