91 results about "Double array" patented technology

A master-slave type flip-flop circuit consisting of a master latch and a slave latch, wherein the master latch comprises: a first clocked inverter to which data are input and a first latch circuit configuring a closed circuit with a first inverter and a second clocked inverter so that an output of the first clocked inverter is input to the first inverter and; the slave latch comprises: a transmission gate to which an output from the first latch circuit is input and a second latch circuit configuring a closed circuit with a second inverter and a third clocked inverter so that an output of the transmission gate is input to the second inverter, respective components configuring the master latch and the slave latch are configured with Sea Of Gate (hereinafter to be referred to as SOG) configuring a gate array, a basic cell of the SOG consists of triplely arrayed N-type transistors and corresponding triplely arrayed P-type transistors, the triplely arrayed N-type transistors consist of double-arrayed normally sized main transistors and one auxiliary transistor sized smaller than in a normal size and the triplely arrayed P-type transistors consist of double-arrayed normally sized main transistors and one auxiliary transistor sized smaller than in a normal size.

The invention discloses a method for positioning a water sound pulse signal matching field based on a frequency domain least squares method. The method comprises the following steps of 10) measuring and calculating a sound field of a double-array element hydrophone by using a sound field propagation model, i.e. determining a search range of a sound source, within an observation range, performing grid point division on the observation range, obtaining grid areas, and for each grid area, by using the sound field propagation model and an ocean environment parameter serving as the input value of the sound field propagation model, measuring and calculating through the sound field propagation model to obtain channel pulse response, which is generated by excitation on each hydrophone, of the sound source in each grid area; and 20) according to the water sound pulse signal received by the double-array element hydrophone and the measured and calculated channel pulse response through the sound field propagation model, performing matching field positioning on a target. With the adoption of the positioning method, the water sound pulse signal can be still positioned under the condition that the prior information of a transmitting signal is not enough, and the problems caused in a traditional multi-sensor array processing way are overcome.

The invention relates to the field of distance imaging and three-dimensional imaging technology, in particular to a three-dimensional measurement chip based on a double-array image sensor. The three-dimensional measurement chip comprises two optical lenses, two CMOS (complementary metal oxide semiconductor) image sensor arrays and an image sensor control and processing circuit, wherein the two CMOS image sensor arrays and the image sensor control and processing circuit are made on the same semiconductor substrate; the optical lenses are wafer-level optical lenses which are arranged on the two CMOS image sensor arrays respectively; one of the two optical lenses is provided with an infrared filter or film and used for obtaining a common two-dimensional color image, and the other optical lens is used for obtaining a range image; and the image sensor control and processing circuit establishes a three-dimensional image according to the image information obtained by the two CMOS image sensor arrays. The invention also provides a three-dimensional measurement system based on the chip. According to the invention, the size of the measurement chip and the system can be effectively reduced, and the real-time property and accuracy of the measurement are improved.

The invention provides a method for optimizing the word segmentation of a search engine through precomputation. The method comprises the following steps of: coding a character in a word segmentation dictionary according to the number of sub nodes of a Trie tree, so as to generate a sequence code, wherein the character with many numbers of the sub nodes of the Trie tree is coded preferentially; carrying out the precomputation according to the sequence code, so as to generate a first array and a second array of a double-array Trie tree; and carrying out word segmentation inquiry in the word segmentation dictionary according to the sequence code, the first array and the second array. By using the method, the spatial utilization rate of the word segmentation of the search engine is improved; the loading speed of a word segmenting module is quickened; and the stability of an online service is enhanced. The invention further discloses a word segmenting device of the search engine.

The invention provides a machine translation method and device based on a double-array search tree. The method includes establishing translation memory cells according to a translation memory library, establishing a double-array search tree according to source language sentences in the translation memory cells, and allowing each node in the double-array search tree to correspond to a source language word in the source language sentences; receiving original source language sentences to be translated; searching for candidate source language sentences meeting edit distance in the double-array search tree according to the original source language sentences; acquiring candidate targeted language sentences corresponding to the candidate source language sentences from the translation memory cells; sending the candidate targeted language sentences to a client terminal to display according to preset display conditions. By the aid of the method and device, the purposes of improving searching efficiency and saving computer storage source can be achieved, and meanwhile, special translating requirements by users in the field of electronic commerce can be met when the method and device are applied in the field of electronic commerce.

The invention relates to a small object positioning device based on bat bionic sonar and a construction method and application of the small object positioning device. The device comprises a signal emitting module, a pre-filtering module, an ultrasonic acquisition module, a storage module and a calculation module, wherein the signal emitting module, the pre-filtering module, the ultrasonic acquisition module, the storage module and the calculation module are connected with a main controller. The signal emission module is connected with the calculation module through the pre-filtering module, the ultrasonic acquisition module and the storage module. The calculation module is connected with a pitch angel matching database. According to the invention, through a double array element, the azimuth and the direction angle of the target can be determined, the distance of the target can be determined, and the three-dimensional coordinate of the target can be precisely estimated; and in addition,the used signal frequency band is only 20KHz, so the performance requirements on a hardware device are reduced.

The invention provides an ultrasonic mechanical damage and thermal coagulation device and method based on double-frequency con-focal ultrasonic time-sharing excitation. High-low-frequency ultrasonic waves or low-high-frequency ultrasonic waves are sequentially transmitted by controlling a double-array-element annular con-focal power ultrasonic transducer in a time-sharing working mode or the ultrasonic transducer and phase-change micro-nano liquid drops are combined in use to achieve the purpose of improving ultrasonic mediated visco-elastic medium mechanical damage and thermal coagulation efficiency.

The invention provides a global optimization and construction method of a TRIE double-array, comprising the following steps of: 1. representing each node in a TRIE structure by using binary strings, wherein each bit in each binary string from left to right is in one-to-one correspondence with each subnode in each node, 1 represents that the subnodes are contained, and 0 represents that the subnodes are not contained, then rightwards shifting each binary string until the 0 bit is 1, and respectively recording the shifted binary representations and the shifted digits; 2. mapping all nodes in the TRIE to the corresponding class according to the binary representations of the nodes; 3. determining the stored sequence of each nodes of the TRIE in the double-array and recording the shifted basic value of each node in the double-array; and 4. setting a check and a base arrays according to the shifted basic value stored in each node, the parent-child relationships among the nodes in the TRIE and the shifted step length corresponding to each subnode.

An embodiment of an invention discloses a method for processing array information, a method and a device of controlling the information to enter arrays. The method for processing the array information includes that information required to be processed is received; the information is classified based on dependence relations, the classified information is placed in corresponding processing array groups, the processing array groups include a parallel processing array group and a serial processing array group; head node linked lists in the processing array groups are obtained, the head node linked lists are linked lists which are connected together by nodes of information linked lists corresponding to each different moment in corresponding processing array groups; the head node linked lists include a parallel head node linked list of the parallel processing array group and a serial head node linked list of the serial processing array group; when processing moment of corresponding nodes in the head node linked lists is reached, information linked lists of the nodes in the head node linked lists are processed. By the aid of the method, information is processed in parallel in a double array linked list manner, and processing timeliness of the information is improved.

The invention discloses a term matching method based on a cedar double-array trie algorithm. The method is characterized in comprising a step of establishing an index and a step of carrying out term search matching through the index. The step of establishing the index comprises the sub-steps of traversing a database to obtain a term set, and calling the cedar double-array trie to insert terms, thereby forming the index of the term set, wherein the cedar double-array trie comprise a structure array which taken a reference value and a check value as members and a circular queue of which volume is the same to that of the structure array. Through application of the cedar double-array algorithm to the index establishment of a term matching engine and term search according to the index, the efficiency of the term matching engine is greatly improved. Moreover, according to the algorithm, the deficiency that a classic double-array algorithm libdatrie is very low in speed to the disadvantage of rapid data reconstruction when the index is established for a great number of terms is avoided. A binary tree is taken as an auxiliary structure, so the whole double-array trie can be rapidly restored.

The invention provides an underwater target azimuth estimation method based on a bat binaural positioning model. According to the frequency band of a transmitting signal, a binaural positioning model parameter suitable for processing a hyperbolic frequency modulation signal is calculated, combined with the theoretical positions of interference peak and valley points in an echo signal, an external ear valley value frequency interval and the frequency response of an acoustic transducer are determined, and finally the azimuth of a target is calculated according to the external ear valley value frequency calculated by the model. According to the underwater target azimuth estimation method, the azimuth discrimination of the binaural positioning model is improved, thus an active sonar can achieve good azimuth discrimination in the condition of double array elements, and the performance is much better than that of a conventional beamforming method.

The invention discloses a double-array movable bobbin creel, which belongs to the technical field of textile machinery. The double-array movable bobbin creel comprises a base, a vertical column which is connected onto the base and a beam which is connected to the top end of the vertical column, wherein the bobbin creel is symmetrically and respectively arrayed at the left and the right sides, a plurality of arrays are arranged from front to back, a plurality of static elimination rods are arranged at the middle part of a first array in front of the bobbin creel, the bobbin creel is provided with a movable device, the movable device comprises a rack, an idler wheel, an upper chain wheel and a lower chain wheel, and is used for moving the whole bobbin creel to the two sides or the middle part, a coaxial crank is arranged on the lower chain wheel, the lower chain wheel is connected with the upper chain wheel in a transmission way, the upper chain wheel is provided with a coaxial gear, the gear is meshed with the rack, and the idler wheel is positioned on a track on the upper surface of the beam; and the shaft of the upper chain wheel transfers from the first array to the last array. When a bobbin is wound, the crank on the lower chain wheel is forwards turned, the lower chain wheel rotates, the upper chain wheel rotates through the transmission of a chain, the gear which is coaxial with an upper chain also rotates for driving the rack of the movable device to move to the left, and the movable device drives the bobbin creel to move to the left too, so the space between the two arrays is increased.

The method comprises: a) placing the IC chip on the fixture in order to make two columns of pins of the IC chip are respectively located at two sides of the fixture; the shape of the fixture corresponds to the shape formed by the IC chip two columns of pins and the IC chip; b) using a rotated cylinder to roll the pins in order to make press on the pins. The invention also reveals a device thereof comprising a base, a fixture, a cylinder rolling bearing; the fixture is mounted on the base; there are two rolling bearing respectively mounted on both side of the fixture.

The invention discloses a prussian blue/tungsten trioxide electrochromic film and a preparation method thereof. The film has a double-array ordered structure and large specific surface area and can increase ordered ion diffusion channels for electrolyte ions and selectively modulate near infrared light bands and visible light bands. The preparation method comprises the steps as follows: firstly, taking a polystyrene template as a working electrode and an aqueous solution of sodium tungstate, hydrogen peroxide and hydrochloric acid as an electrodeposition solution, removing the polystyrene template after electrochemical deposition to obtain a tungsten trioxide electrochromic film with a bowl-like ordered structure, then, taking the obtained tungsten trioxide electrochromic film with the bowl-like ordered structure as a working electrode and an aqueous solution of FeCl3, K3[Fe(CN)]6 and KCl as an electrodeposition solution, and performing electrochemical deposition to obtain the prussianblue/tungsten trioxide electrochromic film. The preparation method requires no roasting and has the advantages that the method is convenient to operate, efficient and energy-saving, the product is controllable and the like.

The invention discloses a method and device for database term retrieval and a terminal, and belongs to the technical field of computer information. The method comprises the steps of obtaining retrieval information of a term to be retrieved; retrieving term information corresponding to the retrieval information according to a double-array lexicographic tree index of the database, wherein the construction process of the double-array lexicographic tree index of the database comprises the steps of obtaining a term set from the database, and sorting terms in the term set according to a lexicographical order to obtain a sorted first term set; calling the double-array lexicographic tree to insert terms in the first term set into the double-array lexicographic tree to form the double-array lexicographic tree index, wherein the double-array lexicographic tree comprises two integer arrays, respectively a base array base [] and a check array check [].

The invention relates to a terahertz quasi-optical power combining and amplifying device and is applied to power combination and amplification of a terahertz frequency band. The device comprises a microwave transmission horn antenna, a dielectric lens A, a microwave amplification array chip, a terahertz frequency-doubling array chip, a dielectric lens B and a terahertz horn reception antenna. According to the focusing effect of the dielectric lens A, spherical electromagnetic wave signals input by the microwave transmission horn antenna are converted into plane wave signals which are transmitted to the microwave amplification array chip to realize amplification and output. Amplified microwave signals are transmitted to the terahertz frequency-doubling array chip to realize frequency doubling and output. The frequency-doubling terahertz signals combine into high-power signals through the dielectric lens B in the form of quasi-optical wave beams, thereby realizing coupling and matching with the terahertz horn reception antenna. The high-power terahertz signals can be outputted by adopting a quasi-optical power combining structure, thus the terahertz quasi-optical power combining and amplifying device is simple in structure and convenient to debug.

The present invention discloses a periodic double array channel type millimeter wave active three-dimensional motion imaging system and a method. The system comprises two identically structured planar arrays. Each array is formed through the periodic unfolding of sub-arrays of a specific structure, and a middle channel region is used for a to-be-imaged human body to pass through. The invention is characterized in that: based on the frequency-division and multiple-input/multiple-output technique and the single snapshot imaging technique are integrated, so that the sampling speed is greatly improved. The real-time three-dimensional imaging function for a moving human body is realized. The channel type double-array imaging function ensures the electromagnetic wave coverage capability and effectively doubles the imaging area. Unit arrays composed of periodic sub-arrays work alternately, so that the channel paving flexibility is improved. Meanwhile, the whole-process image resolution of a to-be-tested target in an entire channel is ensured not to change along with the space. Moreover, the subsequent image identification or the subsequent multi-image fusion treatment is facilitated.

The invention relates to a light pulse shaper based on a double-array fiber grating, comprises an optical frequency comb source, an optoisolator and an amplitude controller, wherein the output end of the optical frequency comb source is connected with the input end of the optoisolator, the output end of the optoisolator is connected with the input end of the amplitude controller, and the output end of the amplitude controller outputs even function waveform light pulses. A working method of the light pulse shaper based on the double-array fiber grating comprises the following steps of: (1) inputting; (2) controlling amplitudes: splitting light, adjusting phases, and interfering; and (3) outputting. In the invention, the size of light spectrum amplitudes can be continuously accurately changed by only using a fiber stretcher, thereby realizing the dynamic adjustment of the light spectrum amplitudes; simple structure, little loss and easy coupling with other optical devices are achieved; random waveform light pulses of even function waveforms can be output; and shaping bandwidth can be increased by increasing the wavelength interval of adjacent gratings or increasing the number of gratings, thereby enabling the bandwidth of the device to be easy to upgrade.

The invention discloses a method for carrying out term matching on data in a database. The method is characterized in comprising a step of establishing an index and a step of carrying out term search matching by employing the index. The step of establishing the index is as follows: traversing the database and generating a double-array dictionary tree according to a source character string and a target character string; inserting character string data into the double-array dictionary tree, thereby realizing a first-level index of the character string data; establishing a corresponding relationship between an ID of the character string data and a keyword filed of a data record in which the character string data is located, wherein the data record is in the database, and the corresponding relationship is used for realizing a second-level index of the character string data; and storing the second-level index in a memory cache system. The step of carrying out term search matching by employing the index is as follows: searching an object ID and term bank ID of the data record corresponding to the character string in the database according to the ID of the second-level index, searching according to the object ID and the term bank ID and obtaining a searching result. Various searching demands of the term matching can be satisfied, and the integrated matching performance is improved.

By means of a difference change rate multichannel difference measurement method and a difference change rate non-fuzzy detection method, a positioning range finding equation based on the difference change rate is converted into a combined function of difference direction finding and non-fuzzy path difference, the non-fuzzy path difference value is resolved by means of a difference value measured by one-directional equidistant double arrays, and a directional value of a target is given by means of the difference of a one-directional array, so that a single-node difference positioning method being irrelevant to a difference value of a wavelength integer and being capable of realizing high measurement accuracy is provided.

The invention discloses a search prompting method and system. The search prompting method comprises the following steps: acquiring search information inputted by users; judging whether the search information is legal or not; when the search information is legal, returning a search prompting word corresponding to the search information on the basis of the generated search prompting dictionary; and when the search information is illegal, returning at least two pieces of error prompting information corresponding to the search information on the basis of the generated spelling mistake prompting dictionary. Due to the adoption of the scheme, the prompting dictionary is constructed by double arrays and when prompt inquiry is searched, the inquiry efficiency is increased and the problems that search prompting information and spelling mistake prompting information is inaccurate or options are fewer in the prior art are solved.