89 results about "Relative index" patented technology

A single mode fiber is provided which is suitable for high-speed, large-capacity optical communication and for optical wiring. The single mode fiber has a first cladding region with a uniform refractive index, a core region with a refractive index higher than that of the first cladding region, and a second cladding region including at least four air hole regions placed in the first cladding region. Optimization can be achieved by making the distance from the center of the core region to the air hole regions equal to 2–4.5 times the core radius, and the air hole radius equal to or greater than 0.2 times the core radius. It is preferable the core radius be 3.7–4.8 μm, the relative index difference of the core region from the first cladding region be 0.3–0.55 %.

The invention provides an information reporting method and device as well as an information transmission method and device. The information reporting method comprises the following steps that a secondcommunication node receives a reference signal sent by a first communication node and determines a reference signal relative index and / or channel state information; and the second communication nodereports a set to the first communication node, wherein the set comprises at least one of the following information: the reference signal relative index and the channel state information. By the adoption of the technical scheme, a problem that a beam-related information report is not flexible and poor in adaptability in the correlation technique is solved, the capacity of the second communication node is reported, and then the first communication node can indicate the beam reporting or reference signal resource configuration meeting the user capability, so that the stability of the beam-relatedinformation report is improved.

A transparent conductive multilayer body of the present invention is characterized by having: a transparent film base; an SiOx film (x is no less than 1.5 and less than 2) which is provided on one surface of the above described film base in accordance with a dry process, and has a thickness of 1 nm to 30 nm and a relative index of refraction of 1.6 to 1.9; an SiO2 film which is provided on the above described SiOx film and has a thickness of 10 nm to 50 nm; and a transparent conductive thin film which is provided on the above described SiO2 film and has a thickness of 20 nm to 35 nm.

This invention relates to one memory data management method, which comprises steps of memory formatting and data storing and reading, wherein, the memory formatting is to divide memory into guide area, index area and data area; the guide area content comprises data area set property, index area set property, memory data block size, index size; the data area is to store several memory blocks; index area stores each data blocks relative index; each index content comprises data generation time and sum number.

The invention discloses an enhancement type correlation search system taking commodity as the media. The system consists of four modules of a data updater module, an indexer module, a search service module and a controller module. By extracting the relationship between a search term and an article of the search term and using a vector model, the similarity between search terms is calculated to get the inner links between commodities; the invention also discloses a method thereof. By using the mapping relation between search terms and the commodities, a meaning relative index and a literal relative index are established, thereby improving the quality of searching clue words of the meaning type correlation search and ensuring the commended correlation words companies with the marketing pace.

This invention relates to memory database access and index method, which comprises the following steps: establishing relative data joints memory list according to the needs; establishing relative index list that is the data structure based on balance two-branch tree mode with dynamic distribution order; distributing the string priority memory list of the index list and scanning and analyzing several inquires given; distributing the property inquires priority orders to determine the distributing rules.

This invention discloses one realization system for real name of mobile terminal, which comprises mobile system and communication network, wherein, the network comprises IMSI / MSISDN number connected with HLR and user identification information mapping relationship management data unit and user identification information data unit IDDB. This invention also discloses one method to realize mobile terminal, which comprises register and offset method for relative index and modification operation through HLR and RegDB.

The present invention provides an optical fiber which has negative dispersion and negative dispersion slope in a wavelength band in use, and can carry out single-mode operation in which distortion due to the non-linear phenomenon can be suppressed so as to be suitable for wavelength multiplexed optical transmissions. When the relative index differences of center core (1), first side core (2), second side core (3), and inner cladding (4) from the silica level are DELTA1, DELTA2, DELTA3, and DELTA4, l.7%<=DELTA1, DELTA2<=-0.3%, 0.25%<=DELTA3, and DELTA4<0. Furthermore, the value A, determined by dividing the diameter a1 of the center core 1 by the diameter a2 of the first side core 2, is set to 0.15<=A<=0.2, and the value B, determined by dividing the diameter a3 of the second side core 2 by the diameter a2 of the first side core 3, is set to 1<B<=2. By such an arrangement, the absolute values of the negative dispersion and negative dispersion slope in a wavelength band of 1.55 mum can be made large, and in addition, light is confined within the core by the second side core (3), the effective core sectional area is made larger, and inner cladding (4) is provided, whereby the effective cut-off wavelength is shortened.

The invention discloses a method for selecting a bidding advertisement keyword during the release of a search engine bidding advertisement, which comprises the steps of: determining an advertiser, a released search engine, and a plurality of bidding advertisement keywords to be selected; calculating the performance price index PI on the determined search engine, the relative index BI relative to the determined advertiser, the competition index RI relative to the determined search engine, and the correlation degree DI relative to a selected document of each bidding advertisement keyword; calculating a characteristic value of each bidding advertisement keyword according to the calculated PI, BI, RI and DI of each bidding advertisement keyword; and comparing the calculated characteristic values of the bidding advertisement keywords, and selecting the bidding advertisement keyword with the maximum characteristic value as the bidding advertisement keyword selected when the search engine bidding advertisement is released. The method ensures that the advertiser can select a bidding advertisement keyword which is more suitable for the advertiser when the search engine bidding advertisement is released.

The invention discloses a method of data transmission, which is used in a system consisting of a base station and at least one terminal to preset the relation between absolute and relative index. The method comprises the following steps that: A, the terminal obtains the absolute index of a transmission block size according to scheduling license sent by the base station and obtains the relative index according to the relation, and then send the format combination indication messages and data of the relative index of a transmission block size to the base station. B, the base station obtains absolute index corresponding to relative index in format combination indication messages by using the relations; C, the base station uses the absolute index to analyze the data received. The invention reduces the bit number and signaling cost that the format combination indication messages takes and reduces the system complexity; moreover, the invention disclose a system and device for data transmission.

The invention discloses a route list condenser and a relative method, wherein the condenser comprises an interface module, a condense route module, a condense route control module, a non-condense route module, a non-condense route control module, and a route index module, the interface module receives a route message to be classified and sent to the route index module to search relative index in a route index list, the condense route module and condense route control module according to index and route message modify a condense route list, and feedback a condense route index to the route index list, the non-condense route module and the non-condense route control module according to the index and route message modify the non-condense route list and feedback a non-condense route index to the route index list. The invention can represent most condense route message via little condense route list, to reduce the space occupied by route list, and improve the route number stored in same route space.

The invention discloses an intelligent measurement method for the total emission of the water pollutants. In a sampling period Delta t ranging from 5 minutes to 30 minutes, sewage is continuously and automatically sampled in regular time and uniformly mixed according to flux Qi; 24 hours (or 48 hours) are taken as an analysis period Delta T, the consistency of the pollutants is detected by a pollutant online measurement instrument as shown in formula (III), and the total emission of the pollutants in the analysis period can be worked out as shown in formula (I) and formula (II). The intelligent measurement method of the invention can improve the real-time of sampling and the science and accuracy of the monitoring result, can reduce the detection times of relative indexes, and effectively reduce the monitoring cost. When the intelligent measurement method of the invention is used for improving the existing pollutant total quantity monitoring system, the problems of overproof emission by stealth, excessive emission, and unscientific calculation of the total emission of the enterprise pollutants, etc., which exist in some current enterprises can be solved, and the environmental protection monitoring and the law enforcement level can be effectively improved.

The invention provides a selection method of an encode mode between interframe and inframe, which includes the following steps: (1) after the interframe model cost JInter is calculated, an Intra cost Ji of four square blocks at the top of a micro block is calculated, and image reconstructions of the four square blocks are completed,; (2) relative index SADBE1 of the inner space of the micro block are calculated; (3) a predicted value JInter1 of the Intra cost is calculated, according to the Intra cost of the four square blocks at the top of the micro block, an offset QP0(QP) of mode selection and the relative index of the inner space of the micro block; (4) whether the predicted Intra cost JInter1 is larger than the calculated Inter cost JInter or not is judged, if yes, the encode mode of the micro block is determined to be an Inter mode, and the method is completed; if no, the step (5) is carried out; (5) Intra cost of four square blocks which are adjacent to the four square blocks at the top of the micro block is calculated, and the image reconstructions of the four square blocks are completed; (6) relative index SADBE2 of the inner space of the micro block is calculated; (7) a predicted value JInter2 of the Intra cost is calculated; (8) whether the Intra cost JInter2 is larger than the Inter cost JInter or not is judged, if yes, the encode mode of the micro block is determined to be an Inter mode, and the method is completed.

The invention discloses a graph query method facing a relational database. The method is mainly applied in scenarios that common users query a relational database. The method comprises: in an offline processing stage, converting the relational database to graph data, establishing relative index on the graph data; in an online query stage, allowing a data querier to use own vocabulary to establish graph query, then, preliminarily matching nodes of graph query, finally, performing Top-k inaccurate subgraph matching, performing graph matching on the graph query established by the user and graph data obtained by offline conversion. Through the matching, the user can obtain a plurality of subgraphs satisfying query requirement of the user, and the subgraphs are returned to the user as a query result.

A single mode fiber is provided which is suitable for high-speed, large-capacity optical communication and for optical wiring. The single mode fiber has a first cladding region with a uniform refractive index, a core region with a refractive index higher than that of the first cladding region, and a second cladding region including at least four air hole regions placed in the first cladding region. Optimization can be achieved by making the distance from the center of the core region to the air hole regions equal to 2-4.5 times the core radius, and the air hole radius equal to or greater than 0.2 times the core radius. It is preferable the core radius be 3.2-4.8 μm, the relative index difference of the core region from the first cladding region be 0.3-0.55%.

The invention relates to a ceramic brick prepared from aeolian sand. The ceramic brick comprises the following raw materials by weight percent: 50-60% of Uxen aeolian sand. 20-28% of Tuke clinker, 12-20% of Uxen white clay and 2-8% of magnesite. The ceramic product is prepared by the steps of ball milling, smashing, sieving, deironing, forming and firing at the temperature of 1080-1220 DGE C. According to the invention, the aeolian sand enriched in Inner Mongolia is used as a main ceramic-making material, which is beneficial to low-cost desert control and leads the production cost of the ceramic product to be greatly reduced; and the prepared ceramic product has the advantages of excellent quality, small size difference, low water absorption and high strength, and relative indexes reach the requirement of national detection standards.

The invention relates to a manufacture method of a polarization maintaining optical fibre, which comprises the following steps: a mandrel and stress application performs are depositionally made with a deposition method, the mandrel and a quartz sleeve are melted to be draught into an optical fibre perform with a fibre core and a covering, and the two stress application performs are respectively inserted into two holes of the perforated optical fibre perform to form a combined optical fibre perform. The combined optical fibre perform is put into a fibre drawing tower for drawing to be made into a panda type polarization maintaining optical fibre. During drawing, the temperature in the drawing tower is controlled within 1700 DEG C to 2000 DEG C, the optical fibre drawing tension is controlled at over 30g, and the optical fibre drawing speed is controlled at over 300m / min. The invention has simple process and high reliability. The high-tension and high-speed drawing reduces the fluctuation of the optical fibre drawing speed so as to improve the geometrical consistency of the optical fibre, optimize the service performances of the polarization maintaining optical fibre, and improve the drawing production efficiency, and thus the capacities of tension screening, dynamic fatigue and tensile resistance of the polarization maintaining optical fibre meet or are even superior to relative index requirements.

Disclosed is a single mode optical waveguide fiber having alternating segments of positive and negative dispersion and dispersion slope. The relative indexes, the refractive index profiles and the radii of the segments are chosen to provide low total dispersion and dispersion slope. Preferred waveguides in accordance with the invention exhibit a dispersion over the range of 1520 to 1625 nm which at all times has a magnitude which is less than 2, and more preferably less than 1 ps / nm2-km. The total dispersion of the waveguide fiber is in the range of about -2.0 to +2.0 ps / nm-km at 1550 nm. The waveguide also features a low polarization mode dispersion.

The present invention provides a tax payment assessment system model, including: establishing microcosmic tax analysis index system and integrated data analysis module, wherein, establishing microcosmic tax analysis index system selecting tax forms of each items of taxation and relative index influencing the tax in the financial statement, according to the basic principle of from economy to tax fund, from tax fund to taxation, by ways of methods of financial analysis, mathematical statistics analysis, scientifically processing symmetry analysis of the items of taxation and the production operation information, setting a mutually relative analysis index system by reasonable processing, providing basis to the objectively compare tax affairs of enterprise taxes, reasonably evaluate payment force of each tax in each place, scientifically predict changes trend of tax funds. The model is beneficial to improve the awareness to pay the taxes and reporting quality, fading contradiction between imposure and management, making imposure and paying harmony.

The invention relates to a dispersion compensation fiber for carrying out dispersion compensation at a C waveband and a module thereof. The structure of the dispersion compensation fiber comprises a fiber layer and a cladding and a sunken cladding, and an annular lading, a matching lading and a pure quartz cladding coat outside the fiber core in sequence, wherein the relationship that delta 1 percent>delta 3 percent>delta 4 percent>delta 5 percent>2 percent is satisfied, the difference range of relative index of refraction comprises the following sequence: delta 1 percent is 1.5 percent-2.0 percent, delta 2 percent is -0.7 percent to -0.5 percent, delta 3 percent is 0.4 percent-0.6 percent, delta 4 percent is -0.15 percent to -0.05 percent and delta 5 percent is 0; and the radius range of the fiber core and various claddings from R1 to R5 comprises the following in sequence: 1.4-1.6 micrometers, 4.3-4.8 micrometers, 6.8-7.8 micrometers, 10-15 micrometers and 38-63 micrometers. The dispersion compensation fiber has high negative dispersion and negative dispersion gradient at an optical communication window of C waveband, so an optical communication system working at C waveband window is easy to update, optical fibers can more easily insert into a communication link to meet the transmission requirements of high-speed high-capacity system and the miniaturization of the dispersion compensation module can be more easily realized.

The invention relates to a bending-resistant multimode fiber comprising a core layer and a cladding. The refractive index profile of the core is in [alpha] power exponent function distribution. The bending-resistant multimode fiber is characterized in that the cladding successively comprises, from inside to outside, an inner cladding, a first sunk cladding, a second sunk cladding, and an outer cladding; the core layer has a distribution index [alpha] from 1.9 to 2.2, a radius R1 from 23 to 27[mu]m, and a maximum relative index of refraction [delta]1 from 0.9 to 1.2%; the inner cladding has a radius R2, a unilateral radial thickness R2-R1 from 0 to 6.0[mu]m, a relative index of refraction difference [delta]2 from -0.3 to 0.03%; the first sunk cladding has a radium R3, a unilateral radial thickness R3-R2 from 2.5 to 6.0[mu]m, and a relative index of refraction difference [delta]3 from -0.6 to -0.2%; the second sunk cladding has a radium R4, a unilateral radial thickness R4-R3 from 6.0 to 10.0[mu]m, and a relative index of refraction difference [delta]4 from -0.3 to -0.2%; and the outer cladding is a pure silicon dioxide glass layer. The bending-resistant multimode fiber has excellent bending resistance and broad bandwidth performance.

The invention relates to a voice / video detecting system. Wherein, it adds one data compression memory in present voice-video detecting system; converts and compresses the voice and video data into low-code-rate coding format data to be written into memory subsystem; therefore, it can reduce the memory space of voice and video data, to reduce the detecting cost. The data compression memory can be one server or the device mounted with data compression memory service program. In addition, the data compression memory can backup voice and video data from the memory subsystem via preset memory plan, and via preset compression rule to compress and write into memory subsystem, to modify relative index and delete stored voice and video data not compressed.

The invention relates to a protective jacket rubber for a marine cable. The protective jacket rubber comprises the following components in parts by weight: 90-100 parts of chlorosulfonated polyethylene, 5-15 parts of active agent, 1-3 parts of anti-aging agent, 15-20 parts of fire retardant, 10-20 parts of plasticizer, 25-45 parts of reinforcing agent, 5-55 parts of filling agent and 1-3 parts of vulcanizing agent, wherein the gel content of the protective jacket rubber is 40-50%, and the gel content is (the weight of the chlorosulfonated polyethylene + the weight of natural rubber) / the total weight*100%. According to the invention, the chlorosulfonated polyethylene and the natural rubber are used simultaneously to carry out the property complementation, and the protective jacket rubber can meet the requirements of SH type relative indexes in an international standard Sheathing Materials for Shipboard Power and Telecommunication Cables IEC 60092-359.

An apparatus for low density parity check decoding includes a variable node processor and a check node processor. The variable node processor is operable to generate variable node to check node messages and to update variable node values based on check node to variable node messages. The check node processor is operable to generate the check node to variable node messages based on the variable node to check node messages. The variable node processor and the check node processor comprise a quasi-cyclic decoder with relative indexes that refer to non-zero circulants.

The invention discloses a lasso regression method for inverting particle size distribution by virtue of a light scattering method. According to the lasso regression method, the particle size distribution of particles in a measured region is obtained by virtue of known information including laser wavelength, relative index of refraction and scattered light intensity data and the like. The lasso regression method mainly aims at situations that the distribution data of the scattered light intensity in an actual measurement system can be obtained by virtue of a measuring device, and the particle sizes are unknown and need to be inverted in the dust particle detection by virtue of a light scattering method. The lasso regression method mainly aims at ill-posed problem that the search calculation in the inversion of the particle sizes for the measurement of the particle sizes is easily caught in local optimum and optical energy distribution coefficient matrixes. Under the condition of inadequate prior information, compared with a traditional inversion method, the method has the advantage that the result obtained through inversion is relatively reliable.

The invention relates to a nondestructive measurement method of chlorophyll in a leaf. The method comprises the steps of irradiating the leaf and a reflector plate by rays with two (or three) specific wavelengths, and calculating a relative index (or actual content) of chlorophyll content according to the reflectivity, wherein the index (or actual content) and the total content of chlorophylls (or content of chlorophyll a, content of chlorophyll b, and total content) have obvious correlativity (or quantitative functional relation), so as to estimate and calculate or restore the content of chlorophylls (or calculating chlorophyll a, chlorophyll b and total chlorophyll content) in the leaf according to the correlation. The method disclosed by the invention is not limited by the thickness of the leaf while the error is rapidly amplified by the existing transmission-type colorimetric assay method when the thickness of the leaf is large and the absorptivity A is greater than 1.0. According to the scattered reflection measurement method disclosed by the invention, diffuse reflection is carried out at any level inside the leaf, and the effect of the thickness of the leaf is small. The method disclosed by the invention is low in detection cost of the chlorophyll; no consumable items are used; and the technical preparation process of a conversion model is not needed.

The invention relates to a single mode fiber with a low damping coefficient. The single mode fiber with the low damping coefficient comprises a core layer and a cladding layer and is characterized in that the radius r1 of the core layer is 3.9-4.6Mum, the relative index of refraction delta1of the core layer is 0.08%-0.24%, the core layer covers an inner cladding layer, an concaving inner cladding layer, an auxiliary outer cladding layer and an outer cladding layer from interior to exterior, wherein the radius r2 of the inner cladding layer is 8-15Mum, the relative index of refraction delta2 of the inner cladding layer is-0.30 %--0.05 %,the radius r3 of the concaving inner cladding layer is 14-20Mum, the relative index of refraction delta3 of the concaving inner cladding layer is -0.6 %--0.2 %, the radius r4 of the auxiliary outer cladding layer is 35-50Mum, and the relative index of refraction delta4 of the auxiliary outer cladding layer ranges from -0.35 % to -0.05 %. The outer cladding layer is a pure silicon dioxide glass layer. The single mode fiber with the low damping coefficient has the advantages that the damping coefficient of a fiber is reduced, and through the reasonable design on the section face of each core and cladding layer of the fiber, the fiber is provided with a MFD equal to or larger than 8.7Mum; the section face of the fiber adopts a multilayer step-pattern concaving cladding structure, the wide cladding structure is used for limiting fundamental mode reveal, and a good improvement function on the bending loss of the fiber is achieved.

A computer system and method for product testing, analysis and scoring wherein the method includes defining at least one critical to quality (CTQ) parameter for product performance, defining a product test plan to verify product performance against one or more CTQ parameters, conducting and monitoring product testing, determining relative index performance scores, constructing a scorecard for products tested, and optionally modifying the product scorecard. The system and method is useful for clients (i.e. store retailers or merchants), product vendors (i.e. product manufacturers or distributors of products), testing laboratories, customers (i.e. direct consumers of the products), and product performance intermediaries (i.e. testing coordinators and testing data analysts). This system and method allows these parties to interact, exchange information, and display information in tabular and graphical formats for determining how similar products perform relative to each other.

The invention relates to the field of motor vehicle lighting, and especially relates to a headlamp performance evaluation method. A method for quantitatively evaluating the light distribution performance of an automotive headlamp comprises the following steps: establishing an automotive headlamp light distribution database and dividing the automotive headlamp light distribution performance into a plurality of grades; calculating relative indexes of performance parameters of all automotive headlamps; performing weighted calculation on the relative indexes to obtain the composite score of the light distribution performance of each headlamp; obtaining the composite score of the light distribution performance of a headlamp to be evaluated through experiment; and comparing the composite score of the light distribution performance of the headlamp to be evaluated with the composite scores of the light distribution performance of the headlamps in the database to obtain the grade of the headlamp to be evaluated. According to the invention, a set of standards is set, multiple performance parameters of the light distribution performance of a headlamp are synthesized into a visual performance grade according to the standards, and a result of performance comparison between different headlamps can be obtained directly through quantitative detection. Thus, ordinary users can choose headlamps visually based on the result of comparison, and the quality of the headlamps is evaluated objectively and quantitatively.

The invention provides a method for preparing a core film of a planar optical waveguide device. The method comprises the steps that the core film is formed by silane, nitrous oxide and germane gas in a deposition mode; under a certain temperature, annealing treatment is carried out on the core film. When the gas flow of the silane is smaller than 175 sccm, the gas flow of the nitrous oxide is smaller than 3000 sccm, and the gas flow of the germane gas ranges from 12 sccm to 30 sccm, and the difference between the relative index of refraction of the prepared core film and the relative index of refraction of a coating film ranges from 0.75% to 1.5%. According to the method, the proportion of germane gas in the mixed gas is increased by reducing the gas flow of the silane and the gas flow of the nitrous oxide, the limiting effect caused by a mass flow controller on the flow of the germane gas is avoided, and thus the germanium-doped silicon dioxide core film with a high refractive index and low stress is obtained without increasing the number of mass flow controllers.