Abstract: A signal transmission method includes a radar detection apparatus selecting a transmit frequency band from a predefined or pre-specified first frequency band. The first frequency band is pre-divided into M sub-frequency bands, and the transmit frequency band includes N sub-frequency bands in the M sub-frequency bands, where a bandwidth of the transmit frequency band is greater than or equal to an operating bandwidth of the radar detection apparatus. A sum of bandwidths of any N?1 sub-frequency bands in the N sub-frequency bands is less than the operating bandwidth of the radar detection apparatus. In addition, a minimum quantity of sub-frequency bands is used to transmit a signal.

Abstract: Techniques perform resource configuration. The techniques involve determining, for a resource quota checking task for a file system on a storage system, a current workload of the storage system; in response to the workload exceeding a predetermined upper threshold, performing the resource quota checking task with a first number of processes; and in response to the workload being below a predetermined lower threshold, performing the resource quota checking task with a second number of processes, the second number being greater than the first number.

Abstract: A machine translation system, a ChatOps system, a method for a context-aware language machine identification, and computer program product. One embodiment of the machine translation system may include a density calculator. The density calculator may be adapted to calculate a part of speech (POS) density for a plurality of word tokens in an input text, calculate a knowledge density for the plurality of word tokens, and calculate an information density for the plurality of word tokens using the POS density and the knowledge density. In some embodiments, the machine translation system may further comprise a sememe attacher and a context translator.

Abstract: A method for a radar that includes at least two transmit antennas and at least one receive antenna includes receiving at least one signal by using the at least one receive antenna, and then, performing a target detection based on the at least one signal, where the at least one signal corresponds to at least two detection information sets.

Abstract: Techniques index a file. The techniques involve: determining, based on a first mapping stored in a first inode associated with the file, whether a predetermined conversion condition is satisfied. The first mapping points to a plurality of data blocks of a file system storing the file in a first index structure. The techniques further involve, in response to determining that the predetermined conversion condition is satisfied, creating a second inode associated with the file. The techniques further involve converting the first mapping into a second mapping to be stored in the second inode. The second mapping points to the plurality of data blocks in a second index structure different from the first index structure.

Abstract: An appliance, a method and system for controlling the same, a server, an appliance controlling apparatus are provided. The method for controlling an appliance includes: receiving a parameter acquiring request transmitted by the appliance or an appliance controlling apparatus, the parameter acquiring request including an identifier of the appliance; acquiring a recommended parameter configuration list corresponding to the identifier of the appliance according to the parameter acquiring request; and transmitting the recommended parameter configuration list to the appliance or the appliance controlling apparatus enables the appliance to run according to the recommended parameter configuration list or enable the appliance controlling apparatus to control running of the appliance according to the recommended parameter configuration list.

Abstract: Performing a goal-seek analysis of spatial-temporal data by generating a hierarchical cluster according to spatial temporal data, determining a spatial-temporal location input for a target, determining spatial-temporal predictor values for the spatial-temporal location, and adjusting the hierarchical cluster according to and the spatial-temporal predictors.

Abstract: The present invention relates to an electronic device, a wireless communication method, and a computer readable medium. According to one embodiment, the electronic device used for wireless communication comprises a processing circuit. The processing circuit is configured to perform control to send data and information related to retransmission of the data to a target user equipment by means of a sidelink. The processing circuit is further configured to control operation for the retransmission of the data.

Abstract: This application relates to the field of wireless communications and self-driving/intelligent driving, and in particular, to the field of collaborative radars. In a solution of this application, a first apparatus receives first information from a second apparatus; the first apparatus determines, based on the first information, priorities of a plurality of time-frequency resources included in a first time-domain range; and the first apparatus determines a first time-frequency resource in the plurality of time-frequency resources, where a priority of the first time-frequency resource is not lower than a priority of a time-frequency resource other than the first time-frequency resource in the plurality of time-frequency resources. A time-frequency resource with a comparatively high priority is selected to send a radar signal, to reduce a probability of a resource collision, and reduce or avoid interference between radars, especially collaborative radars.

Abstract: The present invention provides a Diels-Alderase and use thereof, and belongs to the field of gene engineering technology. The Diels-Alderase is MaDA, and its amino acid sequence and gene sequence are represented by SEQ ID Nos. 1 and 2, respectively. The present invention also provides MaDA-1 and MaDA-2, both of which are homologous proteins of MaDA, and their amino acid sequences are represented by SEQ ID Nos. 10 and 12, respectively. The present invention has discovered that MaDA and its homologous proteins from Morus alba can stereospecifically synthesize natural products of endo configuration, and prepare D-A type natural products and their analogs in vitro using chalcones and dehydroprenyl-containing compounds as substrates, which helps to develop and utilize the medicinal value of such natural products, and also provides a possibility to synthesize other six-membered ring-containing important chemical precursors or natural products.

Abstract: Test case selection methods are disclosed. A feature of a candidate test case and respective features of a set of test cases are extracted. The set of test cases is clustered into a plurality of clusters based on the respective features of the set of test cases. At least one cluster related to the candidate test case is determined from the plurality of clusters based on the feature of the candidate test case. At least one test case similar to the candidate test case is selected from a plurality of test cases included in the at least one cluster.

Abstract: Test case selection methods are disclosed. A feature of a candidate test case and respective features of a set of test cases are extracted. The set of test cases is clustered into a plurality of clusters based on the respective features of the set of test cases. At least one cluster related to the candidate test case is determined from the plurality of clusters based on the feature of the candidate test case. At least one test case similar to the candidate test case is selected from a plurality of test cases included in the at least one cluster.

Abstract: One or more computer processors group a plurality of predictors contained in training data into a plurality of predictor groups. The one or more computer processors create a plurality of sample sets, wherein each sample set in the plurality of sample sets contains one or more predictors selected from a respective predictor group in the plurality of predictor groups. The one or more computer processors create a cluster model for each created sample set in the plurality of created sample sets. The one or more computer processors generate a score for a record with one or more missing values utilizing at least one created cluster model of the created cluster models and at least one created sample set of the created sample sets.

Abstract: Storage management techniques involve determining, if it is determined that lock information associated with a lock operation performed on an object is to be inserted into a storage device, a target digest for representing the lock information; determining whether an idle index not associated with a historical digest exists in an index array for indicating a plurality of storage positions in the storage device; and inserting, if it is determined that an idle index exists in the index array, the lock information into a target storage position in the plurality of storage positions by associating the target digest with the idle index. Accordingly, lock information can be quickly inserted and cleared, thereby improving the system performance.

Abstract: The present disclosure relates to an electronic device, a wireless communication method, and a computer readable medium. The electronic device for wireless communication according to an embodiment comprises a processing circuit. The processing circuit is configured to perform control so as to receive indication information from a first user apparatus, the indication information being related to a sidelink bandwidth part (SL-BWP) for data transmission. The processing circuit is further configured to perform, on the basis of the indication information, an operation for performing sidelink communication with the first user apparatus.

Abstract: A mold apparatus to form a ceramic (or glass) includes a first mold portion having a first coefficient of thermal expansion and a second mold portion having a second coefficient of thermal expansion. In some embodiments, the first mold portion and/or the second mold portion are substantially immiscible with the ceramic material, such as silicon oxide, at a temperature greater than 600° C. In some embodiments, the first coefficient of thermal expansion and the second coefficient of thermal expansion are substantially similar to that of the glass or ceramic material. In some embodiments, the first coefficient of thermal expansion is different from the second coefficient of thermal expansion. In some embodiments, the first mold portion and the second mold portion contain a surface coating and a passivation layer.

Abstract: Disclosed is a low-voltage DC power distribution fast switching device. The device includes a positive output terminal electrically connected to a positive pole of a load, and no less than two switching circuits connected in parallel with each other; the switching circuit includes a positive input terminal electrically connected to a positive pole of common negative power supplies, a supplementary diode cluster composed of no less than one diode connected in series, and a thyristor connected between the positive input terminal and the positive output terminal; the positive input terminal is electrically connected to an anode of the supplementary diode cluster and an anode of the thyristor, and the positive output terminal is electrically connected to a cathode of the complementary diode cluster and a cathode of the thyristor.

Abstract: A computer-implemented method, system and computer program product for identifying an appropriate contact across collaborative applications. Contact information is collected from monitored messages, communication lists and contact lists in each collaborative application. Contact records are generated based on the collected contact information, where such records are inserted into a contact list. After receiving a query from a user containing a keyword(s) that include a nickname (or portion thereof) of a second user whom the user desires to interact via the current collaborative application, a search is performed in the contact list for any record containing a nickname that is similar to the provided keyword(s). Record(s) in the contact list containing a nickname that exceeds a threshold degree of similarity as the keyword(s) are identified.

Abstract: This application provides a signal generation apparatus and method, and a system. The signal generation apparatus includes an encoder, a serializer, an equalizer, and N amplifiers. The encoder is configured to encode to-be-sent data, to obtain a first electrical signal. The serializer is configured to perform parallel-to-serial processing on the first electrical signal, to obtain a second electrical signal. The equalizer is configured to process the second electrical signal, to obtain a third electrical signal. The third electrical signal is amplified by the N amplifiers, to obtain N pairs of differential signals, where N is an integer greater than 2. In embodiments of this application, the N amplifiers amplify differential signals to obtain N pairs of differential signals, and the N pairs of differential signals are directly used as drive signals, so that power consumption for generating a drive signal can be reduced.

Abstract: The present disclosure provides a filter mounting structure, which includes a lens connecting pad and a first filter frame. The lens connecting pad is provided with a rotation adjusting ring and a mounting ring. The mounting ring and the rotation adjusting ring form a fastening connection therebetween. The mounting ring is provided with a limiting groove. The first filter frame is provided with a limiting block. The first filter frame is attracted on the mounting ring. The limiting block is received in the limiting groove. The rotation adjusting ring rotates to drive the mounting ring to rotate, and the mounting ring rotates to drive the first filter frame to rotate. The filter mounting structure further includes a second filter frame movably attracted to an end of the first filter frame away from the mounting ring, the second filter frame is rotatable relative to the first filter frame.