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A moisture detection sensor that detects liquid, comprising: a resonant circuit composed of an antenna coil 53 and a capacitor C; and a noncontact tag composed of covering materials 51 and 57 that cover the resonant circuit, wherein the capacitor C has a pair of electrodes 52 and 56 and a dielectric 55 interposed between the electrodes 52 and 56, and the covering material 57 contains a through hole 57a that allows the liquid to infiltrate into the dielectric 55 from an outside.

A picture coding apparatus (300) is a picture coding apparatus that codes a difference between picture data (Img) representing an input picture and predictive picture data (Pred) representing a predictive picture for the input picture and generates coded picture data, and includes a picture decoding unit (104) for decoding coded picture data (Img) after the picture data (Img) is coded; inter pixel filters A and B (303 and 304) for performing inter pixel filter operation for decoded picture data (Recon) obtained by the picture decoding unit (104); switches (301 and 302) for selecting one of the inter pixel filters; and an inter picture predicting unit (108) for generating the predictive picture data (Pred) for the input picture data (Img) using filtered decoded picture data (FilteredImg1), as reference picture data (Ref), obtained by the selected inter pixel filter.

The invention belongs to the surface patterning microstructure construction technique, which relates to a method for constructing a microstructure with anti-reflection performance on a foundation base by combining the self-assembly technique with the reactive ion beam etching technique. The method is to take monolayer polymeric micro-spheres, silicon dioxide micro-spheres and nano-particles of metal or metal oxides as a barrier layer and implement the RIE etching to the foundation base, then an approximate cone-shaped microstructure is constructed on the foundation base, and the structure has extreme high anti-reflection performance, thereby effectively improving the light energy utilization rate, reducing the interference of veiling glare in an optical system, increasing the optical transmittance, and further improving the sensitivity and stability of the optical system, and the method can be used for constructing large-area anti-reflection structures. The method of the invention has advantages of simple operation, changeable foundation base, strong applicability, good repeatability, low cost, high efficiency, adjustable anti-reflective applied wavelength and conformity to industrialized standards, and can be used for making photoelectric devices such as solar batteries and white light sensors.

An intra prediction apparatus includes: a candidate narrowing-down unit which narrows down, from a plurality of intra prediction directions, an intra prediction direction candidate which is applied to a block of multiple pixels that constitutes a video in accordance with a characteristic of the video; and an intra prediction execution unit which executes intra prediction in the intra prediction direction narrowed down by said candidate narrowing-down unit. Through this, computational load can be lightened while contributing to improvement in picture quality and encoding efficiency.

The invention discloses a gesture recognition method based on an acceleration sensor. The gesture recognition method based on an acceleration sensor comprises the following steps: automatically collecting gesture acceleration data, preprocessing, calculating the similarity of all gesture sample data so as to obtain a similarity matrix, extracting a gesture template, constructing a gesture dictionary by utilizing the gesture template, and carrying out sparse reconstruction and gesture classification on the gesture sample data to be recognized by adopting an MSAMP (modified sparsity algorithm adaptive matching pursuit) algorithm. According to the invention, the compressed sensing technique and a traditional DTW (dynamic time warping) algorithm are combined, and the adaptability of the gesture recognition to different gesture habits is improved, and by adopting multiple preprocessing methods, the practicability of the gesture recognition method is improved. Additionally, the invention also discloses an automatic collecting algorithm of the gesture acceleration data; the additional operation of traditional gesture collection is eliminated; the user experience is improved; according to the invention, a special sensor is not required, the gesture recognition method based on the acceleration sensor can be used for terminals carried with the acceleration sensor; the hardware adaptability is favorable, and the practicability of the recognition method is enhanced. The coordinate system is uniform, and can be adaptive to different multiple gesture habits.

The invention discloses a MC/DC (Modified Condition Decision Coverage) test data automatic generation method based on a genetic algorithm, comprising the following steps of: statically analyzing a tested program to generate a control flow graph, a data flow graph, an abstract syntax tree and an abstract analysis tree; generating a MC/DC test case expected result set; executing code instrumentation on the tested program; constructing a fitness function; randomly generating the test data, and checking whether the test data satisfies an expected execution path; and obtaining proper test data through genetic operations, such as selection, crossing, mutation and the like of the genetic algorithm. In the method, for construction of the fitness function, optimization of approximate-level fitness evaluation by a method of obtaining a control node directly or indirectly influencing defective node traversing through data dependency is proposed according to the thought of a chaining method and based on the conventional fitness function. The method has greater practical value for testing a system with complex logical relations.

There is provided a harmonic structure acoustic signal detection device not depending on the level fluctuation of the input signal, having an excellent real time property and noise resistance. The device includes: an FFT unit (200) which performs FFT on an input signal and calculates a power spectrum component for each frame; a harmonic structure extraction unit (201) which leaves only a harmonic structure from the power spectrum component; a voiced feature evaluation unit (210) which evaluates correlation between the frames of harmonic structures extracted by the harmonic structure extraction unit (201), thereby evaluates whether or not the segment is a vowel segment, and extracts the voiced segment; and a speech segment determination unit (205) which determines a speech segment according to the continuity and durability of the output of the voiced feature evaluation unit (210).

To provide a destination prediction apparatus which predicts a destination more accurately than before. A destination prediction apparatus which predicts a destination of a mobile object includes: a stay characteristic accumulating unit (103) in which stay characteristic information indicating a time period when the mobile object will likely stay at a predetermined point is accumulated; a travel time calculating unit (104) which calculates a travel time in the case where the mobile object heads from a current location obtained by a current point obtaining unit (101) to the point; and a destination predicting unit (106) which calculates an estimated arrival time based on a current time obtained by a current time obtaining unit (105) and the calculated travel time and predicts the point as a destination only when a condition that the calculated estimated arrival time and a time period indicated by the stay characteristic information is satisfied.

The invention discloses a method and a system for discovering a network hot topic based on situation assessment. The method comprises the following steps of: acquiring internet forum data in real time; preprocessing corpus of the internet forum data and extracting a candidate word string; forming a characteristic set in a vector form to express each post based on the candidate word string; clustering the posts, acquiring the discovered hot topic according to the clustering result and quantizing; and performing situation assessment on the hot topic generated by clustering and correcting the discovered hot topic according to a situation assessment result. By comprehensively utilizing a topic discovering and tracking algorithm and a situation assessment idea, the organization form of algorithms of selectable and customable processing processes is realized to analyze text information and mine data so as to discover the hot topic. The experiment result verifies the validity and the accuracy of the method and the system and the method and the system have great practical value.

The invention discloses a six-dimensional force and torque sensor for measuring large force and small torque of a large mechanical arm. The six-dimensional force and torque sensor comprises a center shaft, a force sensitive element, a base and a strain gage component, wherein the force sensitive element is fixedly connected to the base; the center shaft penetrates through the force sensitive element and the base; the center shaft is in interference fit with the force sensitive element; the strain gage component is attached to the force sensitive element; the force sensitive element comprises four elastic main beams, four elastic auxiliary beams, a regularly octagonal center shaft platform, four fixing platforms, four main floating beams and four auxiliary floating beams; the strain gage component comprises a first strain gage group and a second strain gage group; two opposite elastic main beams in the four elastic main beams are respectively coated with the first strain gage group, and the other two elastic main beams are respectively coated with the second strain gage group; and the center shaft is in interference fit with a through hole of the center shaft platform. The six-dimensional force and torque sensor can improve the rigidity of measuring the force, and can also slightly improve the rigidity of measuring torque.

The invention discloses a preparation method of high-yield biochar, which mainly comprises the following steps: (1) putting a collected biomass raw material into a catalyst solution, stirring and impregnating at normal temperature, and filtering to obtain the biomass raw material containing moisture and catalyst, the moisture weight percentage is 50-150%, and the catalyst weight content is 0.5-5%; and (2) heating the biomass raw material containing moisture and catalyst in an oxygen-free or limited-oxygen atmosphere to 100-180 DEG C at the rate of 0.5-2 DEG C/minute, keeping the temperature for 1-2 hours, heating to 240-300 DEG C at the rate of 0.5-3 DEG C/minute, keeping the temperature for 1-3 hours, heating to 500-900 DEG C at the rate of 10-50 DEG C/minute, keeping the temperature for 1-4 hours, and cooling to obtain the biochar, wherein the yield of the biochar is greater than 40 wt% of the biomass raw material. The method does not need drying in the biochar preparation process; the biomass raw material containing moisture and catalyst and the multi-step carbonization technique are utilized to achieve the goal of enhancing the biochar yield; and the biochar has the characteristics of energy saving, large specific area and high porosity, and can be widely used in the fields of water treatment, functional textiles and the like.

The invention relates to an interactive service for rapidly accessing to the mobile internet by a wireless internet access method and a two-dimensional bar code technology, image recognition technology and embedded software technology via a mobile terminal with camera and mobile communication network. It drives the camera of the mobile terminal to shoot the targets graphics such as bar codes or special graphics after the launch of the software. A string identifier such as numbers or characters is decoded out to be packed into data packets by the program of client according to a special agreement, and then the data packets are sent to the remote server through the mobile network. The remote server splits up the data packets according to a special agreement to achieve the described identifier, and then the server reads the database according to the identifier to achieve the corresponding information and enforceable operating instructions corresponding to the information, and then the server packs the information into a new data packet and sends it to the mobile terminal via mobile network. The program of client splits up the data packet according to a special agreement to achieve the information and enforceable operating instructions and handles the information according to the instructions when the mobile terminal receives the data packets.

The invention discloses a co-production system and a co-production method for biomass carbon, gas, wood tar and wood vinegar. The co-production system comprises a biomass dry distillation kettle, a high-temperature heating furnace, a water cooling device, a washing device, a liquid separation device, a gas storage tank, a water-ring vacuum pump, a compressor, wood tar storage tank and a wood vinegar storage tank, wherein the liquid separation device separates wood vinegar and wood tar in the mixed liquid obtained by gas-liquid separation of the water cooling device; the co-production method comprises the following steps: 1, charging; 2, high-temperature carbonization: water cooling and gas-liquid separation, washing, gas storage and separation and storage of liquid matters; and 3, obtaining of the biomass carbon after the high-temperature carbonization. The co-production system for the biomass carbon, gas, wood tar and wood vinegar has the advantages of reasonable design, convenient processing, simple mounting arrangement, easy operation and good effect; and the co-production method has the advantages of convenient realization, high yield, low cost, fast co-production and relatively high production purity and has obvious economic and social benefits and wide popularization and application prospect.

The invention discloses a method for realizing cross-management-domain identity and permission information sharing. Various authoritative institutions establish a management information sharing blockchain system together; each authoritative institution constructs a block chain node, participates in establishment of the block chain system, and backs up a block chain ledger; the management system of each authoritative institution is docked with the own block chain node, so that the block chain node is controlled to operate a block chain; in an individual cross-domain access process, the management systems of the authoritative institutions and the block chain nodes perform mutual negotiation; and the management systems of the authoritative institutions perform mutual negotiation. According to the method for realizing cross-management-domain identity and permission information sharing disclosed by the invention, the traditional point-to-point cross-domain management information sharing disadvantages are evaded; credible distributed storage and updating of identity permission management information and behaviour records can be realized; a unified query channel of individual identity permission and behaviour records is provided for the management system of each authoritative institution; and a support is formed for settlement among the management systems of the authoritative institutions.

The invention relates to the field of electronic technology, discloses an anti-fall device arranged on a mobile terminal and a mobile terminal anti-fall method based on the device. The anti-fall device comprises a sensor, a control chip and a damping module which is arranged on a mobile terminal shell and is electrically connected with the control chip, and the damping module comprises a pop-up mechanism and a damping part adsorbed on the pop-up mechanism through a magnetic force. Wherein, the senor collects a real-time speed correlation signal and sends the real-time speed correlation signal to the control chip, and the control chip generates a control signal according to the speed signal and sends the control signal to the damping module for controlling the pop-up mechanism to pop up the damping part. By adopting the anti-fall device and the mobile terminal anti-fall method, damage caused by fall can be not only prevented, and no influence is generated on the appearance or the hand holding feeling of the mobile terminal basically.