74 results about "Sequence mapping" patented technology

In one aspect, a system for implementing a copy number variation analysis method, is disclosed. The system can include a nucleic acid sequencer and a computing device in communications with the nucleic acid sequencer. The nucleic acid sequencer can be configured to interrogate a sample to produce a nucleic acid sequence data file containing a plurality of nucleic acid sequence reads. In various embodiments, the computing device can be a workstation, mainframe computer, personal computer, mobile device, etc.

The computing device can comprise a sequencing mapping engine, a coverage normalization engine, a segmentation engine and a copy number variation identification engine. The sequence mapping engine can be configured to align the plurality of nucleic acid sequence reads to a reference sequence, wherein the aligned nucleic acid sequence reads merge to form a plurality of chromosomal regions. The coverage normalization engine can be configured to divide each chromosomal region into one or more non-overlapping window regions, determine nucleic acid sequence read coverage for each window region and normalize the nucleic acid sequence read coverage determined for each window region to correct for bias. The segmentation engine can be configured to convert the normalized nucleic acid sequence read coverage for each window region to discrete copy number states. The copy number variation identification engine can be configured to identify copy number variation in the chromosomal regions by utilizing the copy number states of each window region.

The invention relates to the technical field of network maps and space information service, in particular to a method for dynamically constructing an online thematic map. The method comprises the following steps of: constructing a sequenced mapping among three sets, namely a statistical index, a visual variable and a map sign by performing online organization and dynamic modeling on heterogeneous distributed statistic index data by a method for drawing a multi-variable map so as to integrate to form a drawing rule set in which a gathering visual variable is used as a core characteristic; and formalizing description language by using extensible markup language (XML) as a network map sign, dynamically constructing a personal thematic map by using a format of a network thematic map service combination, and forming the online thematic map in a logic layer model organization of a map group, a map picture and an illustration, which is detailed step by step. By the method, a map expression acquired by the user comprises dynamic customization expressed in the forms of a map sign, a color and the like, so the humanized requirement of the map user can be fully met; and aiming at users on different levels, the thematic maps meeting the service requirements can be designed, and the effect is remarkable.

The invention is a convolutional long-and-short-term-memory end-to-end deep neural network for voice cheating detection. The deep neural network comprises a convolutional neural network front end with long-and-short-term memory sequence mapping and a neural network direct classifier. The convolutional neural network front end includes at least two convolutional neural networks (CNN) for standard feature extraction and at least one CNN for label prediction; and the CNN for label prediction carries out label prediction according to a long-and-short-term memory sequence way. According to the invention, comprehensive capacities of all existing features are examined, so that the feature extraction process is avoided; and adaptability to different tasks by the method architecture is also improved.

A sequence mapping circuit and method for digital audio circuits generates a pulsed output. Over time, the mapping circuit generates pulses with a substantially identical average centroid for each of the possible output waveforms. For at least some of the output waveforms, two or more sets of pulses are provided representing the same waveform but having different centroids. The output is alternated among the available sets of pulses to maintain the desired average centroid over time. Shuffling of the output among the available pulses representing a given waveform may be randomly determined, or the pulses used may be tracked and the output pulses sequentially alternated among the available output pulses. The shuffled mapping method reduces output harmonics compared to conventional static mappers.

The invention is applicable to the technical field of gene engineering, and provides a method for mapping a short sequence and a system thereof. The method comprises the following steps: ordering an order-checking sequence according to base values of prefixed short strings with predetermined length; cutting each base of a contig to a short string with the predetermined length; searching a corresponding order-checking sequence in an ordered order-checking sequence in sequence according to the base value of the cut short string in the contig so as to establish a mapping relation. In the invention, the method for mapping the short sequence used in a short sequence assembly is realized by ordering the order-checking sequence according to the base values of the prefixed short strings with the predetermined length, cutting each base of the contig to the short string with the predetermined length and searching the corresponding order-checking sequence in the ordered order-checking sequence in sequence according to the base value of the cut short string in the contig so as to establish the mapping relation. Therefore, the method has short treatment time and high efficiency.

The invention discloses a chaotic hybrid spread spectrum secure underwater acoustic communication method. The method comprises the following steps: 1) a transmitting end uniformly groups a binary sequence sent by an information source, each group is divided into three blocks, the first block is subjected to BPSK modulation and Gray mapping, the second block is subjected to M-element chaotic phase modulation CPM spread spectrum sequence mapping, and the third block is modulated into a chaotic frequency modulation spread spectrum CFM signal; mixing and modulating the output three types of orthogonal signals to obtain a chaotic mixed spread spectrum CHSS signal to be transmitted, and converting the CHSS signal into an analog signal for transmission; 2) converting the received underwater acoustic analog signal into a digital signal by the receiving end, using an in-phase branch BPSK spread spectrum signal in chaotic phase modulation spread spectrum as a pilot signal, and performing time-frequency two-dimensional search on the signal by using the spread spectrum gain of the chaotic phase modulation spread spectrum code to complete time-frequency synchronization; and demodulating the signal after time-frequency synchronization, adopting an incoherent maximum likelihood demodulation algorithm for M-element CPM and CFM spread spectrum, and adopting a coherent demodulation algorithm for BPSK to complete M-element despreading and coherent demodulation, thereby obtaining a binary sequence.

The invention discloses an OOFDM (Optical Orthogonal Frequency Division Multiplexing) encryption system based on chaos sequence mapping; the OOFDM encryption system comprises a chaos sequence mapping based encrypting optical emission module, an optical fiber transmission module and a chaos sequence mapping based decrypting optical receiving module; the optical emission module, the optical fiber transmission module and the optical receiving module are successively connected; the chaos sequence mapping based encrypting optical emission module comprises a chaos encryption unit and an OFDM (Orthogonal Frequency Division Multiplexing) modulation unit, wherein the chaos encryption unit is connected with one end of the optical fiber transmission module via the OFDM modulation unit; the chaos sequence mapping based decrypting optical receiving module comprises a chaos decryption unit and an ODFM demodulation unit; and the other end of the optical fiber transmission module is connected with the chaos decryption unit via the ODFM demodulation unit. According to the OOFDM encryption system disclosed by the invention, by fully utilizing the characteristics of a chaos system to initial value sensitivity, the safety of the encryption is greatly improved; and while the orthogonality of OFDM modulation is kept relatively well, the damage to system performance due to encryption is reduced.

Provided are a genome sequence mapping device and a genome sequence mapping method. The genome sequence mapping device may include a controller and a genome sequence analyzer configured to map target sequence data to reference sequence data. The genome sequence analyzer transforms the reference sequence data and the target sequence data into frequency domains to determine a position of the target sequence data to be mapped among the reference sequence data. The genome sequence mapping device calculates a correlation between reference sequence data and target sequence data in a frequency domain to immediately determine whether the reference sequence data and the target sequence data match each other.

A method for inhibiting the influence of LED nonlinear distortion on visible light communication performance. The method mainly comprises the following steps: (1) carrying out modulation symbol sequence mapping, and satisfying the Hermitian symmetry by an output signal ; (2) multiplying the mapping signal by a scale change factor; (3) carrying out IFFT, then carrying out amplitude limiting decomposition on the optical OFDM symbol, and obtaining a plurality of decomposition symbols with small amplitudes; (4) decomposing symbol serial framing; (5) sequentially and serially receiving all the optical OFDM symbols in one frame by a receiving end, and respectively delaying until the symbols are aligned; and (6) adding the corresponding bits, and combining into an optical OFDM symbol. Accordingto the method, the average power of the optical OFDM symbols is easy to regulate and control. The synchronization is easy, and the implementation is easy. The deployment is easy.

Mapping oligomer sequences includes receiving a set of related oligomer sequences, applying one or more key patterns derived from a set of oligomer sequence relationships to obtain one or more keys that are consistent with the set of related oligomer sequences, modifying positions within these keys, and locating the one or more keys in an index configured to map a plurality of candidate and/or validated keys to their respective possible and/or validated locations in a reference.

The embodiment of the invention provides a modulating method and device as well as a demodulating method and device of a GFDM (Generalized Frequency Division Multi-plex) signal. the modulating method comprises the following steps: acquiring an original signal to be modulated; shaping a pulse to obtain a random filter pulse; performing a cyclic convolution on a signal to be modulated sequence and the random filter pulse to obtain a first modulated signal; mapping the random filter pulse into a random phase sequence; returning a dot product of the first modulating signal and the random phase sequence for serving as a second modulating signal till circular times are up to a preset value; calculating a peak-to-average power ratio of each path of a time-domain signal; and determining a path of the time-domain signal with lowest peak-to-average power ratio as a modulated signal to be transmitted. As proved by the invention, through the pulse shaping and random phase sequence mapping, a path of the signal with the lowest peak-to-average power ratio can be determined as the signal to be transmitted, and the peak-to-average power ratio of the GFDM signal can be lowered remarkably.

The invention provides a subframe configuration method and device. The method comprises the steps of determining configuration of a second class of subframes according to the configuration of a firstclass of subframes and a subframe configuration bitmap sequence of a resource pool, wherein the second class of subframes are reserved subframes on which bitmap sequence mapping is not carried out; and carrying out mapping of the subframe configuration bitmap sequence of the resource pool according to the configuration of the first class of subframes and the configuration of the first class of subframes. Through application of the method and the device, the problem that in related technologies, the time delay is instable when information transmission is carried out on the subframes contained in the resource pool is solved.

This invention discloses one mixture automatic re-send method, which comprises the following steps: generating one wait transmission sequence mapping list at Node B end and processing mapping on sequence on signal to noise proportion by certain rules; user device receive end generates feedback identification information according crc test results, wherein, the identification information comprises: expressing codes error then needing re-send; or expressing codes result is right then without re-send; the said Node B is based on the user device feedback codes information and current signal quality.

The invention discloses a parallel combined spread spectrum underwater acoustic communication method of an interleaved Gold mapping sequence. The method comprises the following steps: step 1) selecting r information sequences from a spread spectrum sequence set according to a data-spread spectrum sequence mapping table at a signal transmitting end to perform multichannel interleaving to generate an information mapping sequence, selecting a sequence that is not related to the sequences in the spread spectrum sequence set as a synchronizing sequence, transmitting the synchronizing sequence andthe information mapping sequence into an underwater acoustic channel after performing quadrature modulation; and step 2) demodulating received signals to a complex baseband at a signal receiving end,performing Doppler compensation to obtain a received signal sequence, then obtaining L multichannel parameters by using the operation results of the synchronizing sequence and the received signal sequence, performing de-interleaving and multichannel merging on the received signal sequence by using these parameters, and performing operation to obtain r sequences, respectively performing maximum value calculation judgment on the r sequences by using M paths of correlators to obtain judgment symbols of transmitting sequences, and then obtaining sequence numbers of the transmitted r information sequences.

A method for building a gypsum block forming production line through control flow modeling based on Petri network relates to a gypsum block production line, in particular to a method for building the gypsum block forming production line based on the Petri network. The method specifically includes the following steps: 1) dividing function modules; 2) building function module operation sequence mapping; 3) building a monitoring controller model; 4) building a control flow model based on the Petri network; 5) determining specific parameters of the control flow model; 6) building the production line. By means of the method, the gypsum block production line can be optimized through modeling, the structure of the production line is simplified, and meanwhile the working efficiency of the production line is improved.

The embodiments of the invention disclose a TDD-LTE (Time Division Duplexing-Long Term Evolution) synchronization method, a TDD-LTE (Time Division Duplexing-Long Term Evolution) synchronization device, a TDD-LTE (Time Division Duplexing-Long Term Evolution) synchronization system, an apparatus and a storage medium. The method includes the following steps that: under a condition that the number ofsymbols in a preset occupiable time-domain location range is smaller than or equal to the difference value of the preset number of symbols occupied by downlink time slots and the number of reserved symbols, if the number of the symbols is smaller than or equal to the difference value of the number of symbols included in one time slot and the number of the reserved symbols, the time-domain locationof a primary synchronization signal sequence mapping corresponding to a transmitting physical cell is determined; if the number of the symbols is greater than the difference value, the time-domain location of a primary synchronization signal sequence mapping corresponding to the transmitting physical cell is determined according to the result of comparison between the calculation result of a first calculation standard and a threshold; and the time-domain resource and frequency-domain resource of a primary synchronization signal sequence and a secondary synchronization signal sequence corresponding to the transmitting physical cell are determined. With the method, device, system, apparatus and storage medium provided by the embodiments of the present invention adopted, more primary synchronization signal physical resources can be provided, and the receiving quality of the primary synchronization signal sequence can be improved.