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

The invention relates to a method and device for transmitting data services and voice services in GSM (Global Communications System for Mobile Communications). The method mainly includes: setting a data transmission channel in a GSM service channel; data business. The device mainly includes: a channel setting module: used for setting a data transmission channel in a GSM service channel, and GSM users can transmit data services through the data transmission channel. Utilizing the method and device of the invention, it is possible to transmit data services while transmitting voice calls in GSM.

The invention belongs to the field of electronic ceramics and its manufacture, and relates to a low-temperature sintered microwave dielectric ceramic material and a preparation method thereof, which are mainly used for dielectric filters of communication systems. The material of the present invention is BaWO 4 Microwave-based dielectric ceramic material, sintering temperature 850℃~900℃, dielectric constant 5.8~9.0, loss as low as 3.70×10 ‑4 , frequency temperature coefficient ‑30~‑10ppm / ℃; its general chemical formula is BaWO 4 -xM 2 CO 3 ‑yBaO‑zB 2 o 3 ‑wSiO 2 , where M is Li + 、K + or Na + Alkali metal ions, and x, y, z, and w cannot be zero at the same time. When y=0, after sintering at 850°C to 900°C, all are BaWO 4 phase; when y is not equal to 0, the main crystal phase is BaWO 4 phase, the subcrystalline phase is BaSi 2 o 5 Mutually. During preparation, the raw materials are directly mixed according to the required chemical formula, and prepared by solid-state sintering method; the final sintering temperature is as low as 850°C, the holding time is 0.5-2h, and the dielectric performance is 5.8-9.0, which meets the high-frequency dielectric filter BaWO 4 The base LTCC microwave dielectric ceramic material can be applied in the LTCC field.

The invention belongs to rapid propagating methods for medicinal plants and important plant materials in vertical greening of environmental governance and particularly relates to a rapid propagating method for mucuna sempervirens which is a vine and is a peculiar tree species of China. The method comprises the steps of selecting and disinfecting a material, carrying out induced culture, carrying out propagation culture, carrying out root induction and transplanting, wherein a bud induction culture medium, a propagation culture medium and a rooting culture medium are involved. According to the formulae for mucuna sempervirens propagation, the coefficient of propagation is large, the rooting rate is high, the plant growth required time is short, after cultivating, the adaptability is strong, and nursery-grown plants are robust, tall and straight and good, orderly and consistent in growth vigor, so that a nursery-grown plant culture process is greatly shortened, and the cost is reduced greatly; a technical support is provided for the protection and large-scale industrialized production popularization and application of mucuna sempervirens; by the method disclosed by the invention, available resources can be applied to the maximum, and the requirements on application of scarce nursery-grown plants are met through biotechnical means in short time.

The invention belongs to a rapid propagation method for an important plant material in endangered wild plants and particularly relates to a regenerating and rapid propagating method for liparis nervosa. The method comprises the steps of material selection and sterilization; inducing culture; multiplication culture; inducing rooting; and transplanting. The regenerating and rapid propagating method aims at solving the problems of low seed germination rate, rooting difficulty and low growth speed in a natural environment because of having no vegetative masses in the prior art, and provides the technical support for large-scale industrial production. By using the regenerating and rapid propagating method, the expanding propagation coefficient is high, the propagation time is short, the growth processes are greatly shortened, seedlings can be obtained after carrying out inducing rooting for 20-25 days, and the survival rate of transplanting is up to more than 96%; and the cost is greatly reduced, and the seedlings are high in survival rate after being transplanted and are robust and straight, good in growth vigor, neat and consistent. The technical support is provided for protecting liparis nervosa and large-scale industrial production, popularization and application.

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 a rapid propagation method for important plant materials in rare and endangered wild plants, and particularly relates to a wild orchid tissue culture method. The method comprises material selection and disinfection, induction culture, propagation culture, root induction and transplant. The invention aims to provide a method by adopting pseudobulb to induce regeneration and propagation of malaxis microtatantha plants, and to provide technical support for promoting the study and application of rare orchid species. The method is high in propagation coefficient and high in rooting percentage; plants are short in growth time, good in growth and tidy; the seedling cultivation process is greatly shortened, and the cost is significantly lowered. The method also provides technical support for malaxis microtatantha protection as well as large-scale and industrialized production, popularization and application.

A flexible phase-change composite material with a crosslinked network structure and a preparation method thereof belong to the field of composite materials. Including: a flexible polymer matrix, carbon nanotubes (CNT) cross-linked with the flexible matrix, and filled solid-liquid phase change materials; by adding a cross-linking agent for chemical cross-linking reactions, a flexible polymer / carbon nanotube based The three-dimensional cross-linking network of the tube, this chemical cross-linking effect can reduce the interfacial hindrance of CNTs and solve the problem of uneven dispersion of CNTs. It is beneficial to improve the packaging efficiency of solid-liquid phase change materials, and significantly enhance the mechanical properties and heat storage performance of phase change composite materials. The material of the invention has stable phase transition performance and has the functions of temperature regulation and thermal energy storage. The material of the invention is easy to cut and process, exhibits good flexibility at room temperature, and has good application prospects in the field of temperature control of flexible electronic devices.

The invention discloses a method for constructing a typo word knowledge base based on fuzzy matching and statistics, which performs word segmentation on corpus sentences to obtain scattered word strings, combines the scattered strings of words according to the scattered string combination rules to obtain merged word strings, and utilizes according to Chinese dictionaries The fuzzy matching algorithm obtains the similar word candidate set of the merged word string; obtains the adjacent element set of the merged word string and the adjacent element set of all similar words in its similar word candidate set; according to the co-occurrence of each adjacent element set element of the merged word string in the corpus Frequency judges whether a merged word string is a typo word string, if the merged word string is a typo word string, then establishes the wrong word pair of the merged word string according to the frequency of occurrence of the adjacent element set elements of similar words in the corpus . The method for constructing the wrong word knowledge base of the present invention solves the problem of low correction accuracy caused by sparse data and only judging wrong words based on the Chinese dictionary in the prior art. The system responds quickly and the accuracy meets the actual application requirements, effectively High performance and accuracy.

The invention belongs to a rapid propagation method for an important plant material in endangered wild plants and particularly relates to a method for inducing a Chinese pholidota herb plant to regenerate and propagate by using pseudobulbs. The method comprises the steps of material selection and sterilization; inducing culture; multiplication culture; inducing rooting; and transplanting. The method aims at solving the problems of seed germination difficulty in a natural state, poor natural propagation capacity, poor diffusion propagation capacity, natural regeneration difficulty, low division propagation speed and the like in the prior art, and provides the technical support for large-scale industrial production. By using the method, the propagation coefficient and the rooting rate are high, the plant growth time is short, the adaptability after culture is strong, a nursery stock is robust and straight, good in growth vigor, neat and consistent, the culture processes of the nursery stock are greatly shortened, and the cost is greatly reduced. The technical support is provided for protecting Chinese pholidota herbs and large-scale industrial production, popularization and application.

The invention discloses a heat-conductive electrical insulating foam tape for high temperature, which comprises: a PET ultra-thin buffer foam layer base material, a dust-proof and heat-insulating layer, a flame-retardant layer, an aluminum foil cloth and an embossed release paper; the PET The outer side of the ultra-thin buffer foam layer substrate is surrounded by a dust-proof and heat-insulating layer; the outer side of the dust-proof and heat-insulating layer is surrounded by a flame-retardant layer; the outer side of the flame-retardant layer is surrounded by aluminum foil cloth; One side of the PET ultra-thin buffer foam layer substrate is provided with embossed release paper. The overall thickness of the base material of the PET ultra-thin cushioning foam layer is 0.25~0.4mm, which makes the polymer foam described in the present invention more able to have light and thin characteristics while blocking insulation and shock resistance, which expands the application range of the foam and solves the problem. practical application needs. The dust-proof and heat-insulating layer can make the foam dust-proof and heat-insulating. The flame retardant layer can make the foam flame retardant.

The invention particularly relates to an inducing method for a maguey bulblet. The method comprises the following steps: taking materials; preparing a culture medium; carrying out disinfection treatment on the materials; carrying out induced cultivation on the bulblet; carrying out enrichment culture; carrying out root induction; and carrying out plant regeneration. The invention aims at providing an inducing method for a maguey bulblet. A technical support is provided for scale management and industrialization. Plump maguey bulblets are selected as the inducing material, and are subjected to induced cultivation in a sterile condition for 20-30 days, so as to germinate strong sprouts; and a lot of proliferation buds can be produced after enrichment culture for 35-50 days, so that the propagation coefficient is high; the proliferation time is short; the growth process is greatly shortened; seedlings can be formed after root induction for 25-35 days; the transplanting survival rate can be up to over 93%; a lot of cost is reduced; the survival rate after the seedlings are transplanted is high; and the seedlings are healthy, forceful, good in growth vigor, regular and consistent.

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 present invention provides a multi-channel communication system based on the LPC bus of the Feiteng platform, which uses programmable logic devices supporting multiple level standards as an intermediate processing module for communication data between the Feiteng chip and multiple external devices, eliminating the need for Level conversion and protocol conversion chips are provided, and the Feiteng chip can access multiple types of external devices through one LPC bus. The circuit structure of the multi-channel communication system is simple, and the manufacturing cost is low. At the same time, the main modules of the multi-channel communication system are integrated in the programmable logic device, and only one LPC bus is needed for the data transmission of the Feiteng chip, thereby The multi-channel communication system is easy to expand, has strong real-time performance, good portability, less hardware resource requirements, and significantly reduced software workload, which greatly meets the multi-level requirements of the application system.