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313 results about "Complex type" patented technology

A complex type is similar to an entity type in that a complex type can carry a data payload in the form of primitive type properties or other complex types. However, there are some key differences between complex types and entity types: Complex types do not have identities and therefore cannot exist independently.

GPS/SINS (global positioning system/strapdown inertial navigation system) combined navigating system with high anti-interference performance and realizing method thereof

The invention discloses a GPS/SINS (global positioning system/strapdown inertial navigation system) combined navigating system with high anti-interference performance and a realizing method thereof, which belong to the technical field of navigation. The system comprises a GPS array antenna, a radio-frequency front end, an interference inhibiting module, a GPS baseband processing link, an SINS module and a combined navigating unit. The method comprises the following steps: 1, receiving a GPS signal and treating the GPS signal by the radio-frequency front end; 2, detecting high-power electromagnetic interference; 3, regulating an antenna beam in a self-adaptive way and filtering to remove a high-power interference signal; 4, carrying out the navigation resolution and the information fusion of a GPS and an SINS; and 5, obtaining an auxiliary parameter. The system and the realizing method have favorable dynamic tracking capability and anti-interference performance; the high-power interference signal can be effectively prevented from causing the saturation and the jamming of a GSP radio-frequency front end; and the robustness performance of the navigating system for dealing with a complicated interference environment is improved.
Owner:BEIHANG UNIV

SERS (Surface Enhanced Raman Spectroscopy) microfluidic chip with enhanced substrate integrated on ITO conductive glass and preparation method for SERS microfluidic chip

The invention relates to a complex type multichannel SERS (Surface Enhanced Raman Spectroscopy) microfluidic chip based on a nano enhanced substrate integrated on ITO conductive glass and preparation method for the SERS microfluidic chip. According to the SERS microfluidic chip and the preparation method therefor, the ITO conductive glass is used as a substrate surface of an SERS microstructure by making full use the characteristics, i.e., smooth surface and good conductivity of the ITO conductive glass, and the morphology and size of nanoparticles are controlled through controlling the deposition potential and deposition time of the nanoparticles during nucleation and growth by adopting a two-step timed current deposition method, so that a metal-nanostructure SERS substrate with high sensitivity, good stability and uniform distribution can be effectively prepared. Further, the metal-nanostructure SERS substrate is bonded to a PDMS (Polydimethylsiloxane) cover plate containing array type microchannels so as to form and obtain the complex type high-flux SERS microfluidic chip. According to the chip, a plurality of SERS detection areas are manufactured and formed on the same ITO glass, and the nano enhanced substrate is obtained through synchronous electrochemical deposition, so that the morphology consistency is good, and the signal reproducibility is good.
Owner:CHONGQING UNIV

Serializing device and serializing method

ActiveCN102981884AImprove versatilityImprove the efficiency of serializationProgram controlMemory systemsComplex typeParallel computing
The invention provides a serializing device. The serializing device comprises a first judgment unit, a first conversion unit, a first acquisition unit, a calculation unit and a memory unit, wherein the first judgment unit is used for judging whether a source object belongs to a preset simple type; when the source object belongs to the preset simple type, the state information of the source object is converted into to-be-stored data by the first conversion unit; when the source object belongs to a preset complex type, the first acquisition unit is used for acquiring non-empty attributes in the source object, generating relative description data according to the attributes and buffering the description data to a temporary byte stream; the calculation unit is used for calculating the sum of the byte stream length of the description data and the byte stream length of result data; and the memory unit is used for saving the to-be-stored data to a target byte stream, serializing the byte stream length of the source object to the target byte stream and saving the description data and the result data to the target byte stream. The invention further provides a serializing method. Through the technical scheme of the invention, the serializing universality can be improved, the serializing efficiency is increased, and memory space occupied by the data after serializing is reduced.
Owner:YONYOU UP INFORMATION TECH

Multi-spectral image classification method based on threshold self-adaption and convolutional neural network

The invention discloses a multi-spectral image classification method based on threshold self-adaption and a convolutional neural network. The method comprises the following steps of inputting multispectral images of different time phases and different wave bands of satellites to be classified, and carrying out normalization on all pixels of a marked portion of a same wave band image in all cities; stacking selected 9 wave bands into one image and taking the image as a training data set; constructing a classification model based on the convolutional neural network, using the training data set to train the classification model so as to acquire a probability model based on OSM, using the model and a confidence coefficient strategy to adjust a softmax output result and acquiring a final classification model, and finally, uploading a test result to an IEEE website so as to acquire classification accuracy. By using the multi-spectral image classification method, characteristics that there are a lot of wave bands, a data volume is large and there are a lot of information redundancy in the multispectral images are fully used so that a problem that surface features of complex types are difficult to classify is solved, classification accuracy is increased, an error dividing rate is reduced and a classification speed can be increased.
Owner:XIDIAN UNIV

Micro-complex type method for inducing electric field under the restrict of non-contact moulding board

The invention belongs to the technical field of micro-nano manufacture, in particular to a micro-complex type method for inducing electric fields under the restrict of a non-contact moulding board, which comprises the following steps: 1) preparing a moulding board: depositing conductive nanometer indium-tin metal oxide ITO glass on a SiO2 base material to prepare a graphical moulding board; 2) vapor-depositing conductive nanometer indium-tin metal oxide ITO glass on the surface of the SiO2 base material; 3) pasting corrosion-proof glue on the surface of the SiO2 base material; 4) processing the prepared moulding board on the corrosion-proof glue layer; 5) circumscribing a DC source to allow the corrosion-proof glue to generate rheological deformation; 6) carrying out electric field to induce micro-complex type; and 7) exposing to ultraviolet to solidify the corrosion-proof glue so as to obtain a required micro-nano structure. The method has the advantages that the processing cost is low; the required time is short; and the production efficiency is improved, therefore, the method can be used for processing various MEMS / NEMS (micron electromechanical system / nanometer electromechanical system) devices such as a micro-fluidic device, a micro-sensor, a micro- brake, a raster, a minitype biochip, a photoelectron device, a solar battery and the like.
Owner:XI AN JIAOTONG UNIV
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