摘要：【中文】本申请的目的是提供一种人脸比对的方法及设备，本申请通过根据获取的待识别人脸图片确定待识别人脸图片矩阵，根据获取的底库人脸图片确定底库人脸图片矩阵；根据所述待识别人脸图片矩阵和所述底库人脸图片矩阵分别确定待识别人脸特征矩阵和底库人脸特征矩阵；将所述待识别人脸特征矩阵和底库人脸特征矩阵分别进行归一化处理，得到待比对人脸图片特征矩阵和底库人脸图片特征矩阵；根据所述待比对人脸图片特征矩阵和底库人脸图片特征矩阵确定n组待载入元素；每次将n组待载入元素中z组待载入元素载入至z个GPU中，同时进行人脸比对加速处理，得到比对结果。从而有效地减少了数组遍历的时间复杂度，结合GPU并行运算，有效提高了人脸比对的速度。 【EN】The method comprises the steps of determining a face picture matrix to be recognized according to an acquired face picture to be recognized, and determining a bottom library face picture matrix according to the acquired bottom library face picture; respectively determining a face feature matrix to be recognized and a bottom library face feature matrix according to the face picture matrix to be recognized and the bottom library face picture matrix; respectively carrying out normalization processing on the face feature matrix to be recognized and the face feature matrix of the bottom library to obtain a face image feature matrix to be compared and a face image feature matrix of the bottom library; determining n groups of elements to be loaded according to the face image feature matrix to be compared and the bottom library face image feature matrix; and loading z groups of elements to be loaded in the n groups of elements to be loaded into z GPUs each time, and simultaneously carrying out face comparison acceleration processing to obtain comparison results. Therefore, the time complexity of array traversal is effectively reduced, and the speed of face comparison is effectively improved by combining GPU parallel operation.

摘要：【中文】本申请涉及一种预测结果的评估方法、装置、计算机设备和存储介质。所述方法包括：获取历史气象雷达图和预测气象雷达图；所述预测气象雷达图为根据所述历史气象雷达图预测得到的；根据有效面积算法对所述历史气象雷达图和所述预测气象雷达图中的每一个气象雷达图进行处理，得到所述历史气象雷达图的有效面积和所述预测气象雷达图的有效面积；根据所述历史气象雷达图的有效面积和所述预测气象雷达图的有效面积，确定所述预测气象雷达图的消散度；所述消散度用于指示所述预测气象雷达图的预测准确度。通过本发明实施例，为预测结果的预测准确度提供了评估依据。 【EN】The application relates to a prediction result evaluation method, a prediction result evaluation device, computer equipment and a storage medium. The method comprises the following steps: acquiring a historical meteorological radar image and a predicted meteorological radar image; the predicted weather radar map is obtained by prediction according to the historical weather radar map; processing each weather radar image in the historical weather radar image and the predicted weather radar image according to an effective area algorithm to obtain the effective area of the historical weather radar image and the effective area of the predicted weather radar image; determining the degree of dispersion of the predicted weather radar map according to the effective area of the historical weather radar map and the effective area of the predicted weather radar map; the divergence is used to indicate a prediction accuracy of the predicted weather radar map. According to the embodiment of the invention, an evaluation basis is provided for the prediction accuracy of the prediction result.

摘要：【中文】本申请涉及一种图像预测方法、装置、计算机设备和存储介质。所述方法包括：获取多个历史回波图像和输入的目标预测类型；其中，每个历史回波图像包括至少一个回波强度的图元素；根据所述目标预测类型，在预设的预测类型和预测模型的对应关系中，确定所述目标预测类型对应的目标预测模型；所述对应关系中的每个预测模型所针对的训练样本图像集不同，一个训练样本图像集对应一个回波强度，所述对应关系中，一个预测类型对应一个预测模型；将所述多个历史回波图像输入至所述目标预测模型，确定至少一个目标预测图像。采用本方法能够提高预测图像的准确度。 【EN】The application relates to an image prediction method, an image prediction device, a computer device and a storage medium. The method comprises the following steps: acquiring a plurality of historical echo images and input target prediction types; each historical echo image comprises at least one pixel of echo intensity; according to the target prediction type, determining a target prediction model corresponding to the target prediction type in a preset corresponding relation between the prediction type and a prediction model; training sample image sets corresponding to all prediction models in the corresponding relation are different, one training sample image set corresponds to one echo intensity, and one prediction type corresponds to one prediction model in the corresponding relation; and inputting the plurality of historical echo images into the target prediction model to determine at least one target prediction image. The method can improve the accuracy of the predicted image.

摘要：【中文】一种电动作动筒的控制系统，包括驱动电机、传动齿轮组、制动器、线位移传感器、控制器和与控制器通讯连接的上位机；所述驱动电机的输出轴和制动器的输出轴通过联轴器同时连接在第一传动轴上，即驱动电机和制动器同轴连接，且第一传动轴通过传动齿轮组与滚珠丝杠传动连接；所述丝杠螺母与作动杆连接；所述作动筒壳体内设置有分别与上位机通讯连接的内侧微动开关、外侧微动开关两个微动开关，两个微动开关的安装位置与设定的丝杠螺母运动极限位置对应；而且，所述滚珠丝杠的末端安装线位移传感器，线位移传感器的芯轴与作动杆直接或者间接连接，且线位移传感器与上位机通讯连接。通过本发明实现了运动位置实时反馈。 【EN】A control system of an electric actuating cylinder comprises a driving motor, a transmission gear set, a brake, a linear displacement sensor, a controller and an upper computer in communication connection with the controller; an output shaft of the driving motor and an output shaft of the brake are simultaneously connected to a first transmission shaft through a coupler, namely the driving motor and the brake are coaxially connected, and the first transmission shaft is in transmission connection with the ball screw through a transmission gear set; the screw rod nut is connected with the actuating rod; an inner-side micro switch and an outer-side micro switch which are respectively in communication connection with an upper computer are arranged in the actuator cylinder shell, and the installation positions of the two micro switches correspond to the set movement limit position of the screw nut; and the tail end of the ball screw is provided with a linear displacement sensor, a mandrel of the linear displacement sensor is directly or indirectly connected with the actuating rod, and the linear displacement sensor is in communication connection with an upper computer. The invention realizes real-time feedback of the motion position.

摘要：【中文】本发明公开了一种面向大规模用户的个性化教学资源推荐方法，包括：获取用户交互数据，对用户交互数据进行数据预处理，获得用户资源评分矩阵；对用户资源评分矩阵进行特征降维，获得用户的教学资源特征矩阵；对教学资源特征矩阵进行聚类，获得教学资源聚类，并对教学资源聚类中的教学资源进行排序；获取用户对所有教学资源的评分，依次利用教学资源兴趣度模型，计算得到用户对教学资源的兴趣度，根据所述兴趣度对所有教学资源降序排列，生成教学资源推荐列表。相较于现有技术，本发明能够为大量用户提供快速准确的数字化教学资源推荐服务，增强用户体验，为智慧校园教学资源的个性化利用提供了一套有效的解决方案。 【EN】The invention discloses a large-scale user-oriented personalized teaching resource recommendation method, which comprises the following steps: acquiring user interaction data, and performing data preprocessing on the user interaction data to obtain a user resource scoring matrix; performing feature dimensionality reduction on the user resource scoring matrix to obtain a teaching resource feature matrix of the user; clustering the teaching resource feature matrix to obtain teaching resource clusters, and sequencing teaching resources in the teaching resource clusters; the method comprises the steps of obtaining scores of users on all teaching resources, calculating interest degrees of the users on the teaching resources by sequentially utilizing teaching resource interest degree models, and generating a teaching resource recommendation list by arranging all the teaching resources in a descending order according to the interest degrees. Compared with the prior art, the method and the system can provide rapid and accurate digital teaching resource recommendation service for a large number of users, enhance user experience, and provide an effective solution for personalized utilization of intelligent campus teaching resources.

摘要：【中文】本发明公开了一种制氮机，涉及制氮机领域，其包括依次连通设置的空气过滤器、空气压缩机、吸附塔以及集气罐，还包括依次连通设置的氧气处理罐、冷凝器、汽水分离器以及储存罐，氧气处理罐连通集气罐，并且氧气处理罐上连通设置有氢气罐。本发明具有以下优点和效果：通过利用氧气与氢气的催化反应和化学反应原理，使氮气中的微量氧气反应并生成水，同时再利用冷凝器和汽水分离器对水进行分离后，实现高纯度氮气的快速制备和稳定制备，达到了方便获取高纯度氮气的效果。 【EN】The invention discloses a nitrogen making machine, which relates to the field of nitrogen making machines and comprises an air filter, an air compressor, an adsorption tower and a gas collecting tank which are sequentially communicated, and further comprises an oxygen processing tank, a condenser, a steam-water separator and a storage tank which are sequentially communicated, wherein the oxygen processing tank is communicated with the gas collecting tank, and a hydrogen tank is communicated with the oxygen processing tank. The invention has the following advantages and effects: by utilizing the catalytic reaction and chemical reaction principle of oxygen and hydrogen, the trace oxygen in the nitrogen reacts to generate water, and meanwhile, after the water is separated by utilizing the condenser and the steam-water separator, the rapid preparation and stable preparation of the high-purity nitrogen are realized, and the effect of conveniently obtaining the high-purity nitrogen is achieved.

摘要：【中文】本申请提供一种司机调度方法、装置及电子设备，涉及智能技术领域，司机调度方法包括：根据司机当前位置对应区域的时空环境特征信息，确定区域的区域类型，区域类型包括冷区和热区；时空环境特征包括：时间特征、环境特征和历史订单特征；如果司机当前位置处于冷区，获取司机当前位置对应的热区集合；从热区集合中选择目标热区；基于目标热区对司机进行调度。通过上述过程，可以对处于冷区的司机进行快速、合理、最优化的调度，以使司机尽快到达目标热区接到订单，从而提高司机的接单体验。 【EN】The application provides a driver scheduling method, a driver scheduling device and electronic equipment, and relates to the technical field of intelligence, wherein the driver scheduling method comprises the following steps: determining the region type of a region according to the space-time environment characteristic information of the region corresponding to the current position of the driver, wherein the region type comprises a cold region and a hot region; the spatiotemporal environmental characteristics include: time characteristics, environmental characteristics, and historical order characteristics; if the current position of the driver is in the cold area, acquiring a hot area set corresponding to the current position of the driver; selecting a target hotspot from a hotspot set; the driver is scheduled based on the target hotspot. Through the process, the driver in the cold area can be quickly, reasonably and optimally dispatched, so that the driver can arrive at the target hot area as soon as possible to receive the order, and the order receiving experience of the driver is improved.

摘要：【中文】本发明公开的一种多目标测控通信天线阵列光纤闭环校准方法，旨在解决天线误差校准测试参数多、天线单元互耦在内的各接收通道的不一致性，测试量大的问题。本发明通过下述技术方案予以实现：标校信号产生单元基于起始指令产生接收和发射校准基带信号，接收校准基带信号通过标校变频单元将接收校准信号上变频至射频并传输至光传输设备，通过光纤传输至天线子阵的光收/发模块，并分别耦合至各接收通道，处理后通过光纤传输至幅相一致性测量单元，实现接收通道的闭环校准；发射校准基带信号经开关网络与耦合器输出至收/发校准开光网络，传输至后端光传输设备，通过下变频得到发射校准基带信号并传输至幅相一致性测量单元，实现发射通道的闭环校准。 【EN】The invention discloses a multi-target measurement and control communication antenna array optical fiber closed-loop calibration method, which aims to solve the problems of more antenna error calibration test parameters, inconsistency of receiving channels with antenna units coupled with each other and large test quantity. The invention is realized by the following technical scheme: the calibration signal generating unit generates a receiving calibration baseband signal and a transmitting calibration baseband signal based on the initial instruction, the receiving calibration baseband signal up-converts the receiving calibration signal to radio frequency through the calibration frequency conversion unit and transmits the radio frequency to the optical transmission equipment, the radio frequency is transmitted to the optical receiving/transmitting module of the antenna subarray through the optical fiber and is respectively coupled to each receiving channel, and the received calibration signal is transmitted to the amplitude-phase consistency measuring unit through the optical fiber after being processed, so that the closed-loop calibration of the receiving channels is realized; the emission calibration baseband signal is output to a receiving/emission calibration open optical network through a switch network and a coupler, transmitted to rear-end optical transmission equipment, subjected to down-conversion to obtain an emission calibration baseband signal, and transmitted to an amplitude-phase consistency measuring unit, so that closed-loop calibration of an emission channel is realized.

摘要：【中文】本发明公开了一种包含多利益主体的分区分布式协调优化方法，包括基于二阶锥松弛的潮流约束，建立微电网经济运行优化模型和虚拟电厂收益模型；基于电气距离的模块度函数，利用考虑计算复杂度和功率平衡的新型网络划分方法，得到包含不同利益主体的配电网络划分结果；基于网络划分结果，通过联络线ij协调不同的利益主体，联络线ij连接微电网和虚拟电厂，得到分布式协调模型；基于交替方向乘子法的分布式求解方法，通过引入拉格朗日乘子、应用列与约束生成算法，对边界变量进行快速协调和更新，求解分布式协调模型，得到最优决策结果。通过本发明，可以实现提高配网优化运行的效率并降低运行成本。 【EN】The invention discloses a partitioned distributed coordination optimization method comprising multiple benefit bodies, which comprises the steps of establishing a microgrid economic operation optimization model and a virtual power plant income model based on flow constraint of second-order cone relaxation; based on a modularity function of the electrical distance, obtaining a distribution network division result containing different benefit bodies by utilizing a novel network division method considering calculation complexity and power balance; by junctor based on network division resultijCoordinating different stakeholders, junglesijConnecting the micro-grid with the virtual power plant to obtain a distributed coordination model; a distributed solving method based on an alternating direction multiplier method is characterized in that a Lagrange multiplier, an application column and a constraint generation algorithm are introduced to quickly coordinate and update boundary variables, a distributed coordination model is solved, and an optimal decision is obtainedAnd (6) obtaining the result. By the method and the device, the efficiency of optimizing operation of the distribution network can be improved, and the operation cost can be reduced.

摘要：【中文】本发明公开了一种SCR尿素箱散热装置，涉及尿素箱技术领域，它包括由安装底板和隔热罩组成的隔热箱，以及上散热风扇和下散热风扇，隔热箱内安装有用于控制上散热风扇、下散热风扇的控制器，控制器的信号输入端与SCR尿素箱内部的温度传感器相连接；在隔热罩上部的相对两侧设置有进气口、上排气口，上排气口安装有由内向外排气的单向排气单元；隔热罩上部具有倾斜设置的导流板，导流板靠近进气口一侧并高于进气口；管线进出口设置有密封件；下散热风扇设置于安装底板之下的盒体内，安装底板开设有连通盒体的通风孔，盒体底部设置有下排气口，下排气口安装有单向排气单元。本发明解决了现有SCR尿素箱的隔热装置无主动散热降温功能的问题。 【EN】The invention discloses a SCR urea box heat dissipation device, which relates to the technical field of urea boxes and comprises a heat insulation box, an upper heat dissipation fan and a lower heat dissipation fan, wherein the heat insulation box consists of a mounting base plate and a heat insulation cover; the opposite two sides of the upper part of the heat shield are provided with an air inlet and an upper air outlet, and the upper air outlet is provided with a one-way exhaust unit for exhausting from inside to outside; the upper part of the heat shield is provided with a guide plate which is obliquely arranged, and the guide plate is close to one side of the air inlet and is higher than the air inlet; the inlet and outlet of the pipeline are provided with sealing elements; lower radiator fan sets up in the box body under mounting plate, and mounting plate sets up the ventilation hole of intercommunication box body, and the box body bottom is provided with down the exhaust port, and one-way exhaust unit is installed to the lower exhaust port. The invention solves the problem that the heat insulation device of the existing SCR urea box has no active heat dissipation and cooling functions.