36results about How to "Solve application needs" patented technology

The invention provides an effective complex report parsing engine and a parsing method thereof. One-by-one dynamic parsing can be performed according to a data source, an aggregate function, a grouping function, a calculation expression, an attribute expression, a display expression, a statistical graph expression and the like configured in a report template rule through grouping algorithm parsing, multi-source crossover algorithm parsing and dynamic inter-chip parsing, so that the effective complex report parsing engine of data acquisition, grouping, summary, inter-chip data calculation, statistical graph data drilling and the like of a report is finished. A calculated data report can be finally generated by the engine method. A report required by a user can be rendered by sending the data report to a front-end report display tool and can be exported. The application requirement of manufacturing a complex report without programming is met.

The invention relates to a system fusing broadband wireless communication and TV broadcasting service, belonging to the wireless multimedia communication and TV broadcasting technical field. The invention is characterized in that the system comprises a plurality of multimedia programming sources, at least one multimedia coding unit, at least one relay link, at least one wireless access point AP, at least one broadcasting point BP and at least one controller; wherein, the controller comprises a time-frequency division multiplexing allocating and dispatching unit, a communication control unit, a broadcasting unit, a calculating unit and storage cell. The time-frequency division multiplexing allocating and dispatching unit divides channels in two-dimensional space composed of time and frequency, generates allocation pattern and dispatching signal to respectively dispatch the communication control unit and the broadcasting unit, thus respectively realizing mobile communication or communication on demand function and initiative broadcasting or broadcasting on demand function, the wireless access point also initiatively monitors the receiving status of broadcast packet, the calculating unit calculates packet loss rate and feedbacks the packet loss rate to the broadcasting point, and meanwhile information having public characteristic for massive users is supplied to the broadcasting point to realize broadcasting on demand.

The invention belongs to the technical field of lithium-ion batteries and particularly relates to a ternary compound lithium-ion power battery containing a multi-component conductive agent. The ternary compound lithium-ion power battery comprises a positive electrode, a negative electrode, a separator, an electrolyte and a shell, wherein the positive electrode and the negative electrode are prepared by evenly coating two sides of a current collector with a mixture prepared from a positive active material or a negative active material, a conductive agent and a binder separately; and the positive active material is a compound of 50-70% of a ternary material and 30-50% of lithium manganate. According to the lithium-ion battery, the capacity of a single battery is 20-30Ah, the energy density is 190-200Wh/kg, the rate discharge capacity percentages of the battery under discharge current of 1C, 2C and 3C can reach 98.1%, 97.40% and 96.30% in comparison with that under the discharge current of 0.5C separately, the discharge capacity percentage at low temperature of -20 DEG C can reach 76.8% and the retention rate after 200 charge and discharge cycles under 1C reaches 98%.

The invention provides a video content analysis method and device for IPTV (Internet Protocol Television) supervision. The method comprises the steps of: analyzing stability of a video content to be analyzed in time domain and space domain, and determining a target area, to be subjected to semantic recognition, in the video content; determining a feature point, which can represent the target area, in the target area according to the texture character of the target area, and computing the feature descriptor of the feature point; using the feature descriptor as a vision word to be annotated, performing matching treatment in a pre-generated visual tree search library, and thereby obtaining the semantic annotation of the feature descriptor, wherein the visual tree search library includes annotated vision words and semantic annotations of the same; determining the semantic annotation of the target area according to the semantic annotation of the feature descriptor. According to the video content analysis method and device, analysis of the video content with characteristics of diversity, complexity, real-time and the like can be achieved, and application requirements in the scene of IPTV supervision are met.

The invention discloses a day and night dual-purpose optical observing and sighting system, which is provided with a daylight system and a low-light level night vision system, wherein the daylight system comprises a low-light level objective lens, a low-light level tube and a low-light level inverter, the low-light level night vision system comprises a daylight objective lens and a daylight inverter, the low-light level inverter and the daylight inverter image a target onto the focal plane of an eye lens by means of a cemented coincidence prism and a day-night changeover switch, a half-transparent, half-reflective film system is plated on the cemented surface of the coincidence prism, and the image of the target is reflected into the eye lens by the coincidence prism, and thereby can be observed by the human eye. Compared with the prior art, the day and night dual-purpose optical observing and sighting system has a simple structure, is reasonably designed, realizes high imaging quality, effectively enhances the human-machine ergonomics of the lens, reduces the carried burden of a user, and effectively meets the requirement of all-weather application.

The method is suitable for the technical field of geographic information. The invention provides a universal loading method for a local coordinate system map. An engine framework Mapbox is rendered based on a WebGL map. A series of coordinate transformation is carried out, the local coordinate system is converted into the world coordinate system, the problem of coordinate conversion is well solvedby calculating the range of the map sheet and the pixel index value, a good solution is provided for supporting the local coordinate system, the actual application requirements of many industries, especially the territorial industry, are met, and the method has great practical significance.

The invention discloses a flexible phase change composite material with a cross-linked network structure and a preparation method thereof, which belong to the field of composite materials. Theflexible phase change composite material with a cross-linked network structure comprises a flexible polymer matrix, a carbon nanotube (CNT) crosslinked with the flexible matrix, and a filled solid-liquid phase change material. A three-dimensional cross-linked network based on the flexible polymer/carbon nanotubes is constructed by adding a cross-linking agent for chemical cross-linking reaction, and the chemical cross-linking effect can reduce the interface hindering effect of the CNT and solve the problem of non-uniform dispersion of the CNT. The packaging efficiency of the solid-liquid phase change material is favorably improved, and the mechanical property and the heat storage property of the phase change composite material are remarkably enhanced. The material disclosed by the invention has stable phase change performance and has the functions of temperature regulation and heat energy storage. The material is easy to cut and process, shows good flexibility at room temperature, and has a good application prospect in the field of temperature control of flexible electronic devices.

The invention discloses a new type of heat-resistant and flame-retardant foam, which is characterized in that it comprises: PET ultra-thin buffer foam layer base material, antibacterial layer, moisture-proof layer, heat-resistant and flame-retardant layer, aluminum foil cloth and embossed release Model paper; the outer side of the PET ultra-thin buffer foam layer substrate is surrounded by an antibacterial layer; the outer side of the antibacterial layer is surrounded by a moisture-proof layer; the outer side of the moisture-proof layer is surrounded by a heat-resistant flame-retardant layer; the heat-resistant The outer side of the flame retardant layer is surrounded by aluminum foil cloth; one side of the aluminum foil cloth away from the heat-resistant flame retardant layer is provided with embossed release paper. The present invention is provided with a heat-resistant flame-retardant layer, an antibacterial layer and a moisture-proof layer so that the foam has excellent heat-resistant flame-retardant, antibacterial and moisture-proof effects. And keeping the overall thickness of the PET ultra-thin cushioning foam layer substrate at 0.25~0.4mm makes the polymer foam described in the present invention more able to have light and thin characteristics while shock absorption, and expands the application of foam Scope, to solve the practical application needs.