248 results about "Minimum weight" patented technology

The invention relates to a centrifugal pump comprising a pump housing made of injection-molded plastics with a first housing part, which is designed as a single piece with a suction connection and a pressure connection, and comprises a sealing area, by means of which said first housing part is joined in a liquid-tight manner to a second housing part, that receives an electric motor, and a motor housing part. It is the object of the present invention to provide a centrifugal pump, in which very good leak tightness is achieved with minimum number of parts, minimum weight and minimum assembly costs with universal applicability without impairing the visual overall impression of the centrifugal pump. This objective is achieved according to the invention in that the second housing part is made of a material that is permeable to laser light of a wavelength or a wavelength range, and the first housing part is made of a material that absorbs the same laser light, and the first housing part and the second housing part are heat-sealed to one another.

A polyethersulfone composition is disclosed which comprises structural units derived from a monomer mixture comprising bisphenol-A and at least 55 mole percent of 4,4′-biphenol based on total moles of diphenolic monomers, wherein the polyethersulfone has a minimum weight average molecular weight which is a function of the mole percent of structural units derived from biphenol monomer. In addition the polyethersulfones possess a notched Izod impact strength value of greater than 470 Joules per meter as measured by ASTM D256.

An improved photovoltaic roofing system (10) includes a roofing membrane (12) overlying a top surface (14) of a roof deck (16), an insulation layer (18) above the roofing membrane (12) and a photovoltaic panel (20) above the insulation layer (18). The improved photovoltaic insulation layer (18) component defines a predetermined number of drainage channels (30) between the insulation layer (18) and the roofing membrane, and/or a predetermined insulation layer thickness, and the predetermined number of drainage channels (30) and/or thickness is a function of variable drainage requirements and/or variable insulation requirements of the roofing system (10). A photovoltaic IRMA roofing system (72) replaces traditional IRMA roofing system (73) ballast materials (79) with a combined weight of concrete topped (83) insulation layer and photovoltaic panels (80) to meet a predetermined minimum weight per unit area requirement of a specific roofing system (72).

Ranking search results, comprises receiving a query string; retrieving a plurality of search results that include a corresponding plurality of target strings that relate to the query string; segmenting the query string and each of the plurality of target strings; pairing segments in the query string with respective segments in the target strings to form a plurality of combinations; retrieving a plurality of weights that correspond to the plurality of combinations based on a mapping of word combinations and their respective weights, wherein a weight measures semantic correlation between words in a word combination; and determining a weighted word length based on the weights corresponding to each of the plurality of target strings; and ranking the plurality of target strings based on their respective weighted word lengths. Alternatively, ranking search results includes determining a minimum weight of each inserted word with respect to segmented words in the query string; determining a minimum weight of each deleted word with respect to segmented words in the target strings; determining a total edit distance based at least in part on the minimum weight of each inserted word and the minimum weight of each deleted word; and ranking the target strings based on the total edit distances.

The invention discloses an urban express delivering method based on a vehicle self-organized network. The method comprises: clustering delivery areas into k blocks by utilizing urban roads and transportation data; calculating link information among blocks by utilizing a historical vehicle track; performing topology modeling according to the blocks and the link information, and establishing a weighted directed graph to draw an urban in-vehicle network; searching the weighted directed graph to obtain a sub-graph of a starting point and an end point of an express piece; obtaining an express delivering path p with minimum weight in the sub-graph by utilizing a Dijkstra shortest path algorithm, wherein the path is an optimum express delivering path; and finally, delivering the express piece according to the path p. According to the delivering mode, the cost of express delivery is greatly reduced; and urban public transport vehicles instead of express transport vehicles are utilized, so that the situation of urban traffic congestion is improved.

The invention relates to a construction method of a time-delay-constrained energy consumption balance data acquisition tree in a WSN (Wireless Sensor Network). The construction method comprises the following steps: a data sink node calculates a weight of a node pair subjected to symmetrical network communication according to network topology information; the data sink node calculates shortest weighted paths from all nodes in the network to the data sink node, wherein a set of the shortest weighted paths forms a minimum weighted energy consumption generation tree; finding out the nodes in the minimum weighted energy consumption generation tree, which do not meet network time-delay limit, and calculating a corresponding topology adjusting scheme for each node as a candidate topology adjusting scheme; finding out one scheme with minimum adjustment on node transmission power from all the candidate topology adjusting schemes, and reconstructing the generation tree; and judging whether the nodes which do not meet hop count limit exist in the network, if so, continuously adjusting, and if not, ending the algorithm, wherein the generated generation tree is the final network topology result. According to the construction method disclosed by the invention, data effectiveness requirement is met, and energy consumptions of the nodes in the network are balanced.

The invention provides a device for pathway exploration by utilizing predicted traffic data, which comprises a Link path forming unit, a segmenting unit, a weight calculation unit and a selection unit, wherein the Link path forming unit is used for forming all Link paths from an own vehicle to the destination, and the segmenting unit is used for segmenting the geographic region into a plurality of different regions which take the own vehicle as the center; the weight calculation unit is used for aiming at each Link path to calculate the weight of the Link path, and the selection unit is used for selecting the Link path with a minimum weight to be used as an optimal path; when the weight of the Link patch is calculated, the weight calculation unit uses real-time traffic data in a first region nearest to the own vehicle, and uses the predicted traffic data at the corresponding time in other regions.

The invention discloses a method of hierarchical storage management used for a video-on-demand system. Firstly, 20 percent of all the video data to be on demand is randomly stored a storage device of one level high-speed disk array; in 80 percent of the other video data, 30 percent of the data is stored in a DVD optical disk juke-box of two level and 70 percent of the data is stored in a magnetic tape librarian of three level; in the period of initialization of the video-on-demand system, the video data is conducted by data migration management; after the period of initialization of the system, the video data is conducted by the minimum weight period-frequency data migration management. The invention greatly improves the on-demand hit rate of video-on-demand programs on a high-speed storage device, can increase the corresponding speed of service provided by the system and makes better balance between the performance and the price of hardware.

The invention discloses a meteorological disaster early warning information publishing system and a meteorological disaster early warning information publishing method on the basis of a Beidou satellite. The early warning information publishing system comprises an early warning information publishing platform, a Beidou short message communication publishing terminal, a short message processing module, a monitoring module, an area identification module, a Beidou early warning information publishing module and a special receiving terminal for the Beidou satellite. The early warning information publishing system has the advantages of small volume, low power consumption and high real-time performance. In the early warning information publishing method, the short message processing module carries out preprocessing on a Beidou short message to obtain early warning information to be published; the monitoring module monitors position information of the special receiving terminal for the Beidou satellite; and the Beidou early warning information publishing module publishes the early warning information according to the position information. According to the meteorological disaster early warning information publishing system and method on basis of Beidou satellite provided by the invention, sub data packets are subjected to self-adaptive grouping preprocessing, so that the flexibility of transmitting the early warning information is improved; and due to the adoption of dynamic encoding, the defect that a code tree does not meet the length condition of the minimum weighted path due to the change of symbolic coding is avoided; and due to the utilization of a pocket supplementing flow and a pocket query flow, the error detection function of the service early warning information data transmission is increased.

The invention discloses an SAR (synthetic aperture radar) tomography super-resolution imaging method. The SAR tomography super-resolution imaging method includes registering obtained two-dimensional imaging results of various SAR tomography baselines, creating height-direction signals pixel by pixel according to the sequence of the baselines, realizing frequency modulation correction and constructing a redundancy matrix; and modeling a height-direction imaging problem into a sparse signal reconstruction problem according to the characteristic of sparsity of height-direction scattering coefficients, computing a sparse solution of the spares signal reconstruction problem by means of iteration by the aid of the constraint condition of the minimum weighted norm, and realizing height-dimensional imaging of an object. The method is applied to SAR tomography height-dimensional imaging, and problems that the quantity of two-dimensional SAR images in the same area and (/or) trajectory distribution is uneven, and only a few parts of trajectory intervals (baselines) meet the Nyquist sampling theory are solved. In addition, by the aid of the method, energy of the object is more concentrated, namely, the resolution is improved, and the problem that the quantity of baselines is small is solved.

A website provides a weight and nutritional program over a network. The website allows users to input an assessment of a subject, which can be used to generate a weight plan for the subject. The weight plan can include minimum weights for the subject, each of the minimum weights being associated with a time. The website can also be used to generate a nutrition plan based on the subject data entered. A subject can build the nutrition plan by responding to a series of food exchange item prompts.

A lightweight and sustainable hanger provides for minimum weight and material usage.

The invention discloses a Chinese character segmentation method for off-line handwritten Chinese character recognition. The method is characterized by comprising the following steps: (1) a Chinese character image to be recognized is pre-processed (including binarization of the image); (2) the Chinese character image is roughly segmented on the basis on projection analysis, the non-adherent characters are segmented into single characters and the adherent characters are integrally segmented; (3) the average height of the non-adherent character is acquired; (4) the characters segmented in the step (2) are judged according to the average height of the non-adherent characters, which is acquired in the step (3), so as to obtain an adherent character string set; and (5) each adherent character string in the adherent character string set is re-segmented on the basis of minimum weighting segmentation path, so as to achieve segmentation of the adherent characters. The method is effectively self-adaptive to segmentation of both adherent Chinese characters and non-adherent Chinese characters, and has higher segmentation accuracy and efficiency.

The invention provides a hadoop-oriented dynamic scheduling method. The hadoop-oriented dynamic scheduling method includes the following steps that (1) computing power of all nodes is consistent; execution time of each operation is linearly reduced with increasing of execution times; (2) whether the operations are similar operations or not is determined, and execution conditions of the similar operations are obtained and statistically calculated; (3) expected execution time which is designed during submit of each operation is analyzed; (4) if the operations are determined to be the similar operations, a cost model is established to obtain operation weight value; (5) if the operations are not the similar operations, a minimum weight value is assigned; (6) operation actual resource quantity is adjusted according to the operation weight value, and responsivity of real-time operations is improved. By means of the hadoop-oriented dynamic scheduling method, defects of real-time operation scheduling by existing scheduling algorithms can be effectively overcome, resource control can be performed on the real-time operations, the real-time operation efficiency is increased, and thereby, a user can finely control the operation execution speed.

A plasma display panel (PDP) driving method and a PDP gray-representing method for improving representation performance of low gray scales is disclosed. A voltage rising from a low level voltage to a reset voltage of a reset period of a subsequent subfield is applied to a scan electrode, without having a sustain period, after performing an address operation of the subfield with the minimum weight. The discharge cell selected in the address period of the minimum weight is discharged in an initial part of the gradually rising voltage.

The invention provides a distributed remote calling method based on zookeeper and netty. A server module which is used for providing remote services and allowing clients to call and a client module for encapsulating local calls are included; the server module is used for conducting service encapsulation to encapsulate services and provide unique access points and conducting service publishing andservice registration; and the client module is used for conducting dynamic proxy, service seeking and service calling, wherein in dynamic proxy, service implementations of servers are acquired by calling proxy classes, in service seeking, IPs and ports of registration services are acquired from the Zookeeper by means of interfaces and methods which are called by requests, the service with a minimum weight value is selected, and meanwhile the weight is set as a maximum value in a same service cluster, and in service calling, client requests are initiated through the Netty, a processing class assembly line is bound, request objects are encapsulated and serialized and then sent to the server module, and the server module responds to data serialization and then transmits data to service logics.

A portable chest compressor system for repeatedly compressing the chest of a patient to stimulate blood circulation and breathing, is of minimum weight and size. The system includes an energizable actuator (16) that repeatedly presses against the patient's chest and a stabilizer (130) that minimizes tilt of the actuator. The stabilizer is generally in the form of a resilient foam toroid to minimize weight, or an inflatable toroid, to minimize size and weight. The chest-compressing actuator includes a pneumatic cylinder-piston device that is driven by compressed breathing gas from a compressed air cylinder, to store a maximum of energy in a minimum of space and weight. The exhaust of the actuator is moderately pressured breathing gas that is delivered to the patient for breathing. The system minimizes the weight and volume of apparatus that must be carried by an emergency worker.

The invention provides a panoramic image generation method and device, and the method comprises the steps: obtaining a first type of edge seed points and a second type of edge seed points of an overlapping region of a deformation image and a reference image; taking one pixel of the upper edge of an image formed by the second type of edge seed points as the start point of a to-be-selected suture line, and taking one pixel of the lower edge of an image formed by the first type of edge seed points as the end point of the to-be-selected suture line, wherein each to-be-selected suture line starts to pass through the overlapping region continuously from the start point to the end point; carrying out the traversal of all possible to-be-selected suture lines; determining the to-be-selected suture line with the minimum weight value as the optimal suture line, wherein the determined optimal suture line is more reasonable, thereby reducing the figure deformation, joint misplacing and apparent joint traces, and improving the effect of a generated panoramic image.

An x-ray tool for determining a characteristic of an oilfield fluid. The tool may include a generator portion housing a collimator about a target from which x-rays are emitted. In this manner x-rays may be attenuated right at the target such that a majority of shielding otherwise necessary for safety concerns may be eliminated. Rather, by employing the target within the collimator, shielding of the generator may be limited to a single shielding plate within the generator portion that is positioned parallel to the target at the opposite end of an x-ray tube therebetween. As a result of this configuration, an x-ray tool for analysis of oilfield fluids may be provided with a minimum weight of shielding material. Thus, hand-held user friendly embodiments may be safely employed at the oilfield.

In a method for representing gray scales on a plasma display panel (PDP), and a PDP driver using the method, a load ratio of input video signals is generated. When the load ratio is low, a plurality of subfields is generated where the weight of the least significant bit (LSB) subfield from among the subfields may be minimized, (wherein the LSB subfield is a subfield with the minimum weight from among the subfields), and the minimum number of sustain pulses may be allocated to the LSB subfield.

The invention provides a traditional Chinese medicine diagnosis method and system based on specific weight characteristics of k-nearest neighbor labels to solve the problems. The method includes the steps of acquiring characteristic data weight information of cases of different types according to a preset weight determination strategy; according to the characteristic data weight information, acquiring a weighted Euclidean distance between any two cases, and selecting the preset number of cases having the minimum weighted Euclidean distances; subjecting the selected cases to ML-LSWAKNN (multi-label learning of specific weighted adjustment k-nearest neighbor) to acquire evaluation indexes corresponding to the selected cases. The method and the system have the advantages that the influence of characteristic weighting upon classifying is fully considered, and classifying precision is greatly improved.

The embodiment of the invention discloses a method and a device for computing a service transmission path in an optical transport network. The invention solves the problem of low utilization ratio of network resources due to high blocking rate of service transmission in the network. The method comprises the following steps of: sequencing a plurality of services which arrive according to the preset standard scheduled time in time sequence; selecting one service from the sequenced services in time sequence at a time; and updating the weight of each edge in the auxiliary chart according to the bandwidth and duration time of the selected service, computing the minimum weight path of the selected service from the source node to the destination node according to the weight of each edge in the updated auxiliary chart, and updating the state of the auxiliary chart according to the resources occupied by the minimum weight path of the selected service. The embodiment of the invention is mainly used in the field of communication, and especially in the computation process of the service transmission path in the optical transport network.

The invention relates to an electrocardio signal transmission method based on a self-adaptive codebook, belonging to the technical field of wireless communication. The method comprises the following steps of: detecting and marking monitoring signals by a differential threshold method and a wavelet analysis method by preprocessing standard electrocardio analog signals collected by a body surface; regulating the self-adaptive codebook and fixing code vector selected in the codebook by adopting a rule of the minimum weighted mean square error; substituting the residue difference signals with the selected code vector; and adjusting the fitting speed of the code information source electrocardio signals and the order of a fitting function by a transmission end according to the estimation result of the channel to realize information source channel combination control transmission of electrocardio signals. In the invention, the variation of the channel environment is taken into account when electrocardio data is compressed, and low-consumption transmission is realized in case that the complexity of the traditional hardware is maintained.