155results about How to "Improve resolution accuracy" patented technology

Structures and methods for three-dimensional image sensing using high frequency modulation includes CMOS-implementable sensor structures using differential charge transfer, including such sensors enabling rapid horizontal and slower vertical dimension local charge collection. Wavelength response of such sensors can be altered dynamically by varying gate potentials. Methods for producing such sensor structures on conventional CMOS fabrication facilities include use of “rich” instructions to command the fabrication process to optimize image sensor rather than digital or analog ICs. One detector structure has closely spaced-apart, elongated finger-like structures that rapidly collect charge in the spaced-apart direction and then move collected charge less rapidly in the elongated direction. Detector response is substantially independent of the collection rate in the elongated direction.

The invention relates to a power type lithium battery full-automatic production line and a production technology thereof. The power type lithium battery full-automatic production line mainly consists of a pole piece manufacturing unit, a battery assembling unit, a battery liquid injecting unit and a factory processing unit; each unit key equipment electrical control system is composed of a PLC, an industrial personal computer, a hydraulic and pneumatic component; the PLC controls each mechanism of the equipment to act in a coordinated manner; and the industrial personal computer collects data to realize the function that the data of the whole line can be stored, read and the like. The main effects lie in that mutual matching of production efficiency of each unit is realized through key debugging for production parameters, a conveyor is adopted in an intermediate link, and full automation of production process is finally realized; the production line is compatible with multi-standard battery production requirements, the production when the product is remodeled can be realized just by adjusting the equipment parameters and replacing partial work fixtures, and order form-based production requirement of the product is met; key equipment and technology on the line are independently researched and developed, the operation is reliable and stable, and the production line has higher cost performance.

A preferably CMOS-implementable system measures distance and / or brightness by illuminating a target with emitted optical energy having a modulated periodic waveform whose high frequency component may be idealized as S.sub.1=cos(.omega..multidot.t). A fraction of the emitted optical energy is reflected by a target and detected with at least one in a plurality of semiconductor photodetectors. Photodetector quantum efficiency is modulated to process detected signals to yield data proportional to the distance z separating the target and photodetector. Detection includes measuring phase change between the emitted optical energy and the reflected fraction thereof. Quantum efficiency can be modulated with fixed or variable phase methods and may be enhanced using enhanced photocharge collection, differential modulation, and spatial and temporal multiplexing. System power requirements may be reduced with inductors that resonate with photodetector capacitance at the operating frequency. The system includes on-chip photodetectors, associated electronics, and processing.

Apparatus including an ion trap, a controller connected to the ion trap, wherein the controller includes a memory containing computer readable instructions which, when executed, cause the controller to send control signals to the ion trap so that the ion trap produce and maintain a trapping field in the ion trap, a waveform generator to change the trapping field so that ions of a predetermined mass in the trapping chamber are selectively moved; a secondary waveform generator to change the orbits of the ions; an energy source to excite ions to emit photons, an optical detector to detect the emitted photons, and a processor which can apply fast-Fourier transform analysis of the time-domain signal of the detected emitted photons to generate a frequency or mass spectrum related to mass-to-charge ratio of the ions.

Structures and methods for three-dimensional image sensing using high frequency modulation includes CMOS-implementable sensor structures using differential charge transfer, including such sensors enabling rapid horizontal and slower vertical dimension local charge collection. Wavelength response of such sensors can be altered dynamically by varying gate potentials. Methods for producing such sensor structures on conventional CMOS fabrication facilities include use of “rich” instructions to command the fabrication process to optimize image sensor rather than digital or analog ICs. One detector structure has closely spaced-apart, elongated finger-like structures that rapidly collect charge in the spaced-apart direction and then move collected charge less rapidly in the elongated direction. Detector response is substantially independent of the collection rate in the elongated direction.

The invention discloses an auto-wash control method and device of a dishwasher and a dishwasher, wherein the auto-wash control method comprises: after initial water intake of the dishwasher is under control and washing is carried out for a first preset time, detecting turbidity of washing water in the dishwasher to obtain a first turbidity signal value; judging a turbidity range at the first turbidity signal value to obtain contamination degree of dishware in the dishwasher, with the contamination degree of the dishware including light contamination, medium contamination and serious contamination; when the contamination degree of the dishware is serious contamination, controlling water re-intake of the dishwasher so that the dishwasher carries rewashing at least once; detecting turbidity of washing water in the dishwasher after the dishwasher carries out rewashing to obtain a second turbidity signal value, and acquiring a washing path of the dishwasher according to the second turbidity signal value to control the dishwasher to run according to the acquired washing path. The method improves recognition precision of the contamination degree of dishware, thus improving the accuracy of the washing path and improving user satisfaction.

The invention provides a cloud detection method of an optic remote sensing image, which comprises the following steps of: 1) diving an optic remote sensing image into basic processing units; 2) diving the basic processing units into two types which are possible to be cloud or not to be cloud according to a gray threshold; 3) diving the basic processing units which are possible to be the cloud according to fractal dimension; and 4) judging an undetermined unit in a fractal dimension dividing result to be a cloud layer or an earth object material according to angle second moment. The method combines with three judging characteristic parameters according to a reasonable order, and the different characteristic parameters have different functions when detecting, thereby not only being capable of obtaining higher resolution precision, but also being capable of obviously improving the running efficiency thereof in average meaning.

The invention discloses a coherent anti-stokes raman scattering (CARS) optical comb spectrum detection method for improving the precision. The method comprises the steps of: after two femtosecond optical comb generators as a pumping-detecting light source and a stokes light source of a CARS system pass a CARS spectral measurement system, performing beat frequency and double-optical comb optical heterodyne detection on generated anti-stokes signal light and reference optical combs; eliminating the interference introduced by pumping light by utilizing a polarization dependent balance detection technology at a detecting part so as to realize the quick and real-time CARS optical spectrum detection with high sensitivity and high frequency resolution precision. The method provided by the invention can be used for effectively improving the resolution precision of spectral measurement, realizing the high-precision optical comb imaging within a wide spectral range, effectively inhibiting the environmental noises, eliminating the non-resonant background noise introduced by the pumping light, improving the time and frequency resolution precision and realizing the quick and real-time spectral detection.

The invention discloses a multi-wave wave field separation and synthesis method and a system. The method comprises the following steps: carrying out vector superposition on all wave vectors within a quadrant in which longitudinal wave / transverse waves are positioned in a certain time window; obtaining longitudinal wave / transverse wave unit wave vectors based on the superposed vector; at a moment in the time window, separating longitudinal wave / transverse wave vector along the R axis / Z axis respectively, forming an affine coordinate system in direction of the longitudinal wave / transverse wave vector, and converting the separated longitudinal wave / transverse wave vector to the affine coordinate system based on an included angle between the longitudinal wave / transverse wave vector and the R axis and an included angle between the longitudinal wave / transverse wave vector and the Z axis; and based on the unit wave vector, separating the longitudinal wave / transverse wave vector at a moment in the time window to obtain the parallel parts of the longitudinal wave / transverse wave vector and relevant unit wave vector under the affine coordinate system for output. The invention can separate the wave fields of the longitudinal wave vector and the transverse wave vector, recover the vector amplitude of the longitudinal wave / transverse wave, suppress noise, and improve accuracy of earthquake data analysis, thereby meeting need of earthquake data analysis and explanation.

The invention discloses a semantic analysis method and device. The semantic analysis method includes the steps that S1, input voice data are acquired, and text transformation is performed on the voice data to generate text data; S2, entity identification is performed on the text data to acquire an entity type tag in the text data; S3, the text data are transformed into text data with an entity type tag according to entity information in the text data and the corresponding entity type tag; S4, the text data with the entity type tag are matched with a database to generate a semantic analysis result. By means of embodiment of the semantic analysis method and device, influences on semantic analysis from noise can be lowered, the entity information in the text data and the entity type tag corresponding to the entity information can be accurately acquired, and therefore analysis accuracy is improved.

The embodiment of the invention provides a domain name resolution method and apparatus, an electronic device, and a readable storage medium. The method comprises the following steps: obtaining a domain name and a source IP address carried in a domain name resolution request message sent by a local DNS server, querying domain name resolution information corresponding to the domain name in a presetprivate mapping table according to the domain name, and when the domain name resolution information corresponding to the domain name is queried, sending a resolution response message carrying the domain name resolution information to the local DNS server corresponding to the source IP address. By adoption of the domain name resolution method and apparatus, the electronic device, and the readable storage medium provided by the embodiment of the invention, the domain name resolution information can be directly resolved through the domain name, fine-grained analysis is performed on the domain name resolution request, the domain name resolution accuracy is improved, and the time consumed for resolving the domain name is shortened.

The invention provides a joint estimation method of high-precision wireless channel parameterized model, comprising the following steps: reflecting radial component parameter estimation, diffusing radial component parameter estimation, reflecting signal component reestablishment, and diffusing signal component reestablishment. The output of reflecting radial component parameter estimation is negatively fed back to the input of diffusing radial component parameter estimation by reflecting signal component reestablishment; the output of diffusing radial component parameter estimation is negatively fed back to the input of reflecting radial component parameter estimation by diffusing signal component reestablishment; and the output terminals of two parameter estimators self-consistently estimate each parameter of independent components of channel models by such 'butterfly negative feedback' cross iteration mechanism to increase the resolving precision and wideband wireless channel parameterized model. The invention is capable of being applied to the high-precision channel test and modelling of wideband wireless communication systems and digital broadcasting systems, such as WIMAX, LTE, B3G, 4G, UWB and DVB.

The invention relates to a test platform for an absolute grating ruler. The test platform for the absolute grating ruler comprises a complementary metal oxide semiconductor (COMS) sensor, an optical focusing mirror, a COMS eye lens, a collimated light source, a grating ruler supporter, a double-grating-strip grating ruler, a grating ruler supporter, a mobile platform, a linear slide rail, a linear propulsion system, a stepping motor and a base, wherein a linear movement system is composed of the stepping motor, the linear propulsion system and the linear slide rail, and a sampling system of image processing is composed of the COMS sensor, the optical focusing mirror, the COMS eye lens, the collimated light source and the double-grating-strip grating ruler. According to the test platform and the test method for the absolute grating ruler, accuracy and reliability of encoding measurement are improved, so that accurate positioning can be achieved. The test platform for the absolute grating ruler has the advantages of high accuracy, high controllability and high reliability. The invention aims at providing a method for the absolute grating ruler of double encoding strips with optical amplification. In addition, through reasonable and reliable image analysis and closed-loop control, mobility, reliability and accuracy of the grating ruler are enabled to be greatly improved.

A miter gauge with a machined aluminum head that has a stamped aluminum scale secured in a machined slot. The scale has indicia that facilitate reading the scale including color-coded diamonds, arrow heads and longer lines at key positions. The miter gauge is quickly adjustable to 1 / 100th of a degree using ordinary shop tools such as a feeler gauge or dial caliper. An optional sled is a platform with two pieces of minitrack on each side and a dado in the middle in which the miter gauge can be secured quickly to a bar on the bottom of the sled that slides in the table saw miter gauge. A flip arm stop design with a removable back allows space for a zero clearance board on the front of an L-shaped fence extrusion. A T-shaped fence extrusion with a built-in zero-clearance board has a modified T-slot with an interlocking minitrack which allows the fence to be extended and secured with a standard bolt without the need for machining.

Provided is a coding method used for a metrologic instrument, a meter counter coding character wheel, wherein the 360 degree circumference of the side face or the end face of the character wheel is made into six coding sections in turn: an euphotic zone (a reflective zone) alpha, an aphotic zone (an absorption zone) gamma, an euphotic zone (a reflective zone) beta, an aphotic zone (an absorption zone) beta 1, an euphotic zone (a reflective zone) gamma 1, an aphotic zone (an absorption zone) alpha 1, and the arc angles meet the following relations: alpha+beta+gamma=180 DEG, alpha=72 DEG -gamma / 2, alpha1+beta1+gamma1=180 DEG, alpha1=72DEG-gamma1 / 2, the values of arc angle gamma, gamma1 are the any coding trough belt between 0 to 36 DEG. When the counter character wheel rotate for 360 DEG, the photoelectric sensor constituted of five pairs of optical photoelectric sensors and the photosensitive receiving tubes arranged on the two sides or the end face outside generate five different binary digit coding electrical signals in turns, which corresponds to the ten numbers 0-9 on the counter character wheel, and each corresponds to three groups of five binary encodings, thereby advancing the coding precision and reducing the cost.

The invention discloses an SQL (Structured Query Language) conversion method and system based on language model coding and multi-task decoding. The method comprises the steps: combining a language model in combination with a field where a data set is located to carry out pre-training, and improving the feature extraction capability in the field; sequentially expanding the query database according to table names and column names, converting a two-dimensional table into a one-dimensional text sequence, and splicing the one-dimensional text sequence into an input sequence X in combination with user questions; inputting the sequence X into a pre-training language model, and outputting a coding result; a multi-task decoder composed of nine different neural networks is utilized to decode and restore the SQL fragments, and cross entropy loss is calculated; different weights are set for loss values of different neural networks, the sum is finally calculated as the total loss of the model, a gradient descent algorithm is utilized to optimize an objective function, and model training parameters are updated; after training is completed. Model parameters are stored, and a corresponding SQL sequence is automatically generated according to the user problem and the target database.

The invention discloses a posture estimation and human body analysis system based on multi-task deep learning. The system comprises a human body detection subnet and a posture estimation and human body analysis combined learning subnet. An input image firstly passes through a human body detection subnet to obtain information such as a human body position and a mask, and an interference-free single-person image is extracted from a multi-person image according to the information; the method further includes performing attitude estimation and human body analysis joint learning on the interference-free single-person image to obtain an attitude estimation result and a multi-granularity human body analysis result; and finally, combining the single-person posture estimation result and the multi-granularity human body analysis result to the original image. Different human body instances are distinguished based on human body postures, and a better human body detection effect is achieved on multi-person images; according to the invention, the accuracy of two tasks of posture estimation and human body analysis can be improved; and a cascade network structure is adopted for a human body analysis task, so that the human body analysis accuracy can be effectively improved, and finer analysis granularity expansion is facilitated.

The large double-acting thick plate drawing hydraulic press as one kind of hydraulic machinery consists of mainly body, platform, driving system, main cylinder, outer block edge pressing back stroke cylinder, inside block back stroke cylinder, movable bench and electric system. The movable bench consists of movable right and left benches fixed together. There are on ground oil cylinder fixing frame, connecting shaft on the frame and hinged with the ears integrally with the oil cylinder, and driving oil cylinder with piston rod connected to oil cylinder fixing frame. The main cylinder is one with double liquid filling valves, and there is block fall preventer installed onto the upper cross beam. The present invention has smooth running of the movable bench, high efficiency and other advantages.

The invention relates to a weak periodic signal detecting method based on a phase-locked loop and a Duffing oscillator, and belongs to the field of signal processing. According to the method, the phase-locked loop and the Duffing oscillator are used for setting up a combined weak signal detecting system; signal frequency is detected through the phase-locked loop to detect weak periodic signals with unknown frequency; according to the curve characters of a time history of chaotic signals, and a sequence diagram method and a phase plane diagram method are matched to serve as the criterion for detecting a system state and detecting whether the system state changes or not; a precise threshold value at which the system jumps into a periodic state from a chaotic state is obtained, and the threshold and quality for detecting the weak periodic signal are improved. Compared with a traditional method, the weak periodic signal detecting method can detect the signals with the unknown frequency, is easier to implement, saves a lot of simulation time, is of great signification in practical application and thereby has very good application prospects.

A detecting apparatus for detecting a fine geometry on a surface of a sample, wherein an irradiation beam is irradiated against the sample placed in a different environment different from an atmosphere and a secondary radiation emanated from the sample is detected by a sensor, and wherein the sensor is disposed at an inside of the different environment, a processing device to process detection signals from the sensor is disposed at an outside of the different environment, and a transmission means transmits detection signals from the sensor to the processing device.

The invention provides a capacitance type touch panel. The capacitance type touch panel mainly comprises a touch circuit, a touch sensing electrode substrate and a touch public electrode substrate; several touch sensing electrode units are arranged on the touch sensing electrode substrate; an outgoing electrode of every touch sensing electrode is connected with the touch circuit, and a touch public electrode is arranged on the touch public electrode substrate; two substrates are insulated and isolated by compressive deformable partitioning matters; the touch sensing electrode and the touch public electrode are still in an insulation and isolation state when the compressive deformable partitioning matters are under the compression state. According to the capacitance type touch panel, the capacitance type touch panel is operated by a non-conductive touch matter, and a complete waterproof capacitance touch scheme is realized.

The invention discloses an address analysis method and a device based on a word segmentation algorithm. The method comprises the following steps: collecting the administrative division data of the National Bureau of Statistics and storing the data in a database; encoding the region name; establishing a region cascade relationship; setting up a region cascade relationship; setting up a region cascade relationship; constructing the regional decision tree, taking the country as the root node of the regional decision tree, province / municipality as its lower node, and creating the sub-node and leafnode of the regional decision tree recursively according to the regional cascade relationship; according to the full name and abbreviation of the region, the user-defined region dictionary being built and loaded into the database; acquiring regional information, segmenting the regional information with a word segmentation algorithm and a user-defined regional dictionary to obtain a regional phrase; according to the order of regional phrases after word segmentation and regional decision tree, address information being obtained. The invention solves the problems of low resolution accuracy and long time consumption of the short text region analysis function provided in the current map tool.

An apparatus and method for parsing a human body image may be implemented by acquiring a depth image including a human body, and detecting a plurality of points in the acquired depth image by conducting a minimum energy skeleton scan on the depth image.

The invention discloses a white light self-interference surface detector, which comprises a stage, a microscope light path and an imaging light path. The microscope light path and the imaging light path are arranged on the stage. The microscope light path consists sequentially from up to down of a Kohler illuminating system light source, an aperture diaphragm, a beam splitting prism and an objective lens. The aperture diaphragm is provided with randomly distributed array pinholes therein. The imaging light path consists sequentially from outside to inside of a CCD, a Fourier transform lens, apure phase liquid crystal light valve and a telescopic lens. The optical axis of the microscope light path is perpendicular to the stage, the optical axis of the imaging light path is perpendicular tothe optical axis of the microscope light path, and an intersection point between the optical axis of the microscope light path and the optical axis of the imaging light path is on a beam splitting plane of the beam splitting prism. The white light self-interference surface detector in the invention has the advantages of simple structure, higher anti-interference and anti-seismic performance, simple post-processing with only four times of imaging, better imaging effect and higher resolution.

The present invention discloses a serial port baud rate adaptive system and method. The system comprises: a cache module, a baud rate analysis module, a first serial port receiving module, and a serial port sending module. According to the system and method disclosed by the present invention, serial port level baud rate can be analyzed in real time and serial port data is analyzed, without predicting a baud rate at a sending terminal in advance for a receiving terminal to receive the data fixedly, so that the user can more conveniently transmit the serial port data; by means of strict time sequence logic and cache control, data loss during identification of baud rate is prevented; resource consumption is lower, accuracy of analysis of baud rate is high, frame synchronization and speed matching are realized; real-time data is completely restored, with low delay, strong expansibility and good robustness.

The invention discloses an improved MUSIC algorithm-based ADS-B signal direction of arrival estimation method. The method comprises the following steps that: (1) the ADS-B signal acquisition model of a linear array is established; (2) the spatial spectral function of ADS-B signals is estimated; and (3) the spatial spectral function of the ADS-B signals is processed based on a second-order derivative solving method, and spectral peak search is performed for a second-order derivative spatial spectral function. The improved MUSIC algorithm-based ADS-B signal direction of arrival estimation method of the invention is used for civil aviation aircraft ADS-B signal man-made disturbance suppression and operation safety guarantee.

The invention provides a high-precision grating positioning device directly driven by a limited angle motor, which comprises a motor drive circuit, a limited angle motor, a holographic diffraction grating, a photoelectric encoder, an interpolation circuit and a feedback control circuit. The rotor on one side of the limited angle motor passes directly through the bottom of the diffraction grating, while ensuring the center of the grating is located on the shaft, the stator is fixed on the outer heat dissipation frame, the motor is connected with the load through rigid coupling and directly drives the grating to rotate; the photoelectric encoder detects the angular position of the diffraction grating, and the output terminal of the photoelectric encoder is connected with the interpolation circuit. The interpolation circuit amplifies the sine and cosine signals outputted by the photoelectric encoder, doubles the frequency and interpolates after conversion, and connects the feedback control circuit through the interpolated output signal; the feedback control circuit achieves double closed-loop control of current feedback and position feedback, and the motor drives the circuit to generate the drive voltage to control the motor rotation. The high-precision grating positioning device has strong anti-interference ability, high resolution precision, and strong practicability and versatility.

The invention relates to a high-precision downhole electromagnetic thickness-measuring caliper. The high-precision downhole electromagnetic thickness-measuring caliper comprises a magnetic protective sleeve, a coil component, a control unit, a thickness measuring unit, a fixing component and a thickness measuring drive unit, wherein the coil component and the control unit are positioned in the magnetic protective sleeve; the thickness measuring unit is arranged on the fixing component; the fixing component is connected with the magnetic protective sleeve and the thickness measuring drive unit; the thickness measuring unit comprises a plurality of thickness measuring sensors; the coil component comprises a high-frequency electromagnetic coil and an intermediate-frequency electromagnetic coil; the high-frequency electromagnetic coil is positioned above the intermediate-frequency electromagnetic coil; the intermediate-frequency electromagnetic coil is positioned above the control unit; and the control unit is connected with the thickness measuring unit through the fixing component. The high-precision downhole electromagnetic thickness-measuring caliper solves the technical problems that the conventional electromagnetic thickness-measuring caliper can only perform point-to-point transmission and reception, and can only be used for qualitative analysis, and the measured thickness is a relative value. The high-precision downhole electromagnetic thickness-measuring caliper has high resolution and extremely high precision and can calculate absolute wall thickness of different sectors in the process of measuring borehole diameters.

The invention discloses a human body part analyzing method and system, equipment and a storage medium. The human body part analyzing method comprises the following steps of: extracting a first characteristic pattern with high-level semantic information from a multi-person image; acquiring a plurality of first human body regions of interest according to the first characteristic pattern; respectively selecting a target human body object from each first human body region of interest and expanding each first human body region of interest into a second human body region of interest; down sampling the second human body regions of interest to obtain a second characteristic pattern; and analyzing human body parts of the target human body objects in the second characteristic pattern by adopting a full convolution network to obtain first human body part analyzing results of the target human body objects. The method disclosed by the invention has the advantages that the randomness of human body positions is reduced; the difficulty in analyzing the human body parts is reduced; and the accuracy of analyzing the human body parts of each human body object in the multi-person image is increased atthe same time.