摘要：【中文】一种排气系统消声器辐射噪声计算方法，其包括如下步骤：S1：从仿真软件中提取需要分析的消声器内部各个腔体的静压曲线；S2，通过分析过程开发时完成的转换工具进行前处理，将静压转换成频谱激励；S3，针对消声器进行有限元建模，并且进行频响计算；S4，提取计算结果，并将计算结果合成瀑布图和总声压曲线；S5，对总声压曲线和瀑布图进行评估，如不通过，则返回调整结构，从步骤S1再次开始评估；如通过，则完成了消声器辐射噪声分析的步骤，转而进入样件制作阶段。相较于现有技术，本发明提高了消声器开发前期风险的识别能力，使得原本依赖试验和反复迭代的开发过程得以简化，节省开发成本和时间。 【EN】A method for calculating radiation noise of a silencer of an exhaust system comprises the following steps: s1: extracting a static pressure curve of each cavity in the silencer to be analyzed from simulation software; s2, preprocessing the conversion tool completed in the development of the analysis process, and converting the static pressure into frequency spectrum excitation; s3, carrying out finite element modeling on the silencer and carrying out frequency response calculation; s4, extracting a calculation result, and synthesizing the calculation result into a waterfall graph and a total sound pressure curve; s5, evaluating the total sound pressure curve and the waterfall chart, if the total sound pressure curve and the waterfall chart do not pass through, returning to the adjusting structure, and starting the evaluation again from the step S1; if the noise passes, the step of analyzing the radiated noise of the silencer is completed, and the manufacturing stage of the sample piece is started. Compared with the prior art, the method improves the identification capability of the early-stage risks of the silencer development, simplifies the original development process depending on tests and repeated iteration, and saves the development cost and time.

摘要：【中文】一种排气阀，其包括阀座、固定于所述阀座的支架、能够相对所述阀座打开或者关闭的阀盖、固定在所述支架上且用以抵压所述阀盖的弹片以及用以在所述弹片变形时抵靠所述弹片的压片，其中所述阀座包括安装部以及开口，所述阀盖与所述开口相配合，所述阀盖包含轴，所述轴安装在所述安装部与所述支架之间，当所述阀盖相较于所述开口打开或者关闭时，所述弹片能够相对于所述阀盖滑动。本发明通过将轴安装在所述安装部与所述支架之间，通过简单的机械装配就能实现。另外，通过弹片来实现阀盖打开或者关闭的功能，省略了扭簧，降低了成本。 【EN】An exhaust valve, its includes the disk seat, be fixed in the support of disk seat, can be relative the disk seat is opened or the valve gap of closing, is fixed on the support and be used for supporting press the shell fragment of valve gap and be used for when the shell fragment supported when warping the preforming of shell fragment, wherein the disk seat includes installation department and opening, the valve gap with the opening cooperatees, the valve gap contains the axle, the axle is installed the installation department with between the support, when the valve gap compare in when the opening was opened or was closed, the shell fragment can for the valve gap slides. The present invention can be realized by a simple mechanical assembly by mounting the shaft between the mounting portion and the bracket. In addition, the function of opening or closing the valve cover is realized through the elastic sheet, a torsion spring is omitted, and the cost is reduced.

摘要：【中文】一种排气系统的虚拟路谱仿真分析方法，其包括如下步骤：S1：按照实际的路试标准规范，在虚拟试验场中完成整个路试环节，并提取出关键位置处的信号；S2：对上述信号进行处理，作为有限元计算的输入；S3：对排气系统的数模进行离散化网格建模；S4：进行相关性调试，使有限元模型和实际模型的相关性参数模态置信准则值满足要求；S5：利用调试后的有限元模型以及步骤S1中得到的加速度曲线信号进行计算，得出排气系统的模态应力以及每阶模态的参与因子；S6：利用耐久分析软件计算得出每个关键位置处的损伤和安全系数。相较于现有技术，本发明虚拟的方法具有周期短、成本低、精度可靠的优点。 【EN】A virtual road spectrum simulation analysis method of an exhaust system comprises the following steps: s1: according to the actual road test standard specification, completing the whole road test link in a virtual test field, and extracting a signal at a key position; s2: processing the signals as input of finite element calculation; s3: carrying out discretization grid modeling on a digital model of the exhaust system; s4: performing correlation debugging to enable correlation parameter modal confidence criterion values of the finite element model and the actual model to meet requirements; s5: calculating by using the debugged finite element model and the acceleration curve signal obtained in the step S1 to obtain the modal stress of the exhaust system and the participation factor of each order of modes; s6: and calculating the damage and the safety factor of each key position by using durability analysis software. Compared with the prior art, the virtual method has the advantages of short period, low cost and reliable precision.

摘要：【中文】本申请公开了一种边缘多余膜层刻蚀一体化装置及方法，涉及半导体设备制造领域。该装置至少包括腔体、静电吸附盘、可升降边缘环、至少2组阻挡片支撑组件；静电吸附盘和可升降边缘环设置在腔体内，可升降边缘环设置在静电吸附盘的外侧；至少2组阻挡片支撑组件设置在可升降边缘环的外侧，至少2组阻挡片支撑组件用于交替承载阻挡片；其中，每组阻挡片支撑组件包括至少3个阻挡片支撑组件，每个阻挡片支撑组件包括阻挡片支撑架、阻挡片支撑架旋转升降装置，阻挡片支撑架与阻挡片支撑架旋转升降装置连接；解决了现有技术中刻蚀晶圆边缘工序多、成本高的问题；达到了一体化刻蚀晶圆的有效图形区域和边缘，提高良率，降低成本的效果。 【EN】The application discloses an edge redundant film layer etching integrated device and method, and relates to the field of semiconductor equipment manufacturing. The device at least comprises a cavity, an electrostatic adsorption disc, a liftable edge ring and at least 2 groups of barrier plate supporting assemblies; the electrostatic adsorption disc and the liftable edge ring are arranged in the cavity, and the liftable edge ring is arranged on the outer side of the electrostatic adsorption disc; the at least 2 groups of barrier plate supporting assemblies are arranged on the outer side of the liftable edge ring, and the at least 2 groups of barrier plate supporting assemblies are used for alternately bearing barrier plates; each group of the barrier piece supporting assemblies comprises at least 3 barrier piece supporting assemblies, each barrier piece supporting assembly comprises a barrier piece supporting frame and a barrier piece supporting frame rotary lifting device, and the barrier piece supporting frames are connected with the barrier piece supporting frame rotary lifting devices; the problems of multiple procedures and high cost of etching the edge of the wafer in the prior art are solved; the effects of integrally etching the effective pattern area and the edge of the wafer, improving the yield and reducing the cost are achieved.

摘要：【中文】本发明公开了一种大型钢结构车间墙面板清洗装置及使用方法，属于建筑物清洗的技术领域。本发明中设有支撑机构和清洗机构，利用支撑机构中的支撑架通过调节组件活动安装在墙面板顶部，利用清洗机构中的控制系统控制自动伸缩架的伸长量，同时利用驱动电机带动滚刷筒与墙面板之间的摩擦力带动清洗机构争议横向清洗墙面板，磁铁吸附墙面板为清洗机构提供垂直墙面板的推动力，使清洗机构与墙面板之间保持适当的摩擦力，利用防溅罩内设有喷水嘴和齿形刮板对滚刷筒进行清洗，防溅罩底部的蓄水槽对污水收集防止低落污染环境。 【EN】The invention discloses a large-scale steel structure workshop wall panel cleaning device and a using method thereof, and belongs to the technical field of building cleaning. The automatic wall panel cleaning device is provided with a supporting mechanism and a cleaning mechanism, a supporting frame in the supporting mechanism is movably arranged at the top of a wall panel through an adjusting assembly, a control system in the cleaning mechanism is used for controlling the elongation of an automatic telescopic frame, meanwhile, a driving motor is used for driving the friction force between a rolling brush cylinder and the wall panel to drive the cleaning mechanism to strive for transverse cleaning of the wall panel, a magnet adsorbs the wall panel to provide a driving force vertical to the wall panel for the cleaning mechanism, so that a proper friction force is kept between the cleaning mechanism and the wall panel, a water nozzle and a tooth-shaped scraper blade are arranged in a splash guard to clean the rolling brush cylinder, and a water storage tank at the bottom of the splash guard collects sewage to prevent low.

摘要：【中文】本发明涉及结构工程技术领域，提供了一种带剪力键半预制钢筋混凝土柱及其施工方法。带剪力键半预制钢筋混凝土柱，包括钢筋笼，所述钢筋笼包覆有混凝土构成空心的预制外壳，所述预制外壳的周向设有多列穿孔，位于同侧的同一列所述穿孔沿所述预制外壳的轴向间隔设置，所述预制外壳每相对两侧的所述穿孔一一对应设置，且对应的一对所述穿孔内穿设有钢筋，所述预制外壳内浇筑有核心混凝土。施工方法，包括如下步骤：绑扎钢筋笼；制备预制外壳；吊装预制外壳；穿设钢筋；浇筑核心混凝土。采用本发明施工方法可以提高工程施工速度和施工质量，减少现场施工造成的环境污染。 【EN】The invention relates to the technical field of structural engineering, and provides a semi-prefabricated reinforced concrete column with shear keys and a construction method thereof. Take shear force key semi-precast reinforced concrete post, including the steel reinforcement cage, the steel reinforcement cage cladding has the concrete to constitute hollow prefabricated shell, the circumference of prefabricated shell is equipped with multiseriate perforation, is located the same row of homonymy the perforation is followed the axial interval of prefabricated shell sets up, every relative both sides of prefabricated shell the perforation one-to-one sets up, and a pair of correspondence wear to be equipped with the reinforcing bar in the perforation, the core concrete has been pour in the prefabricated shell. The construction method comprises the following steps: binding a reinforcement cage; preparing a prefabricated shell; hoisting the prefabricated shell; steel bars are penetrated; and pouring core concrete. The construction method can improve the construction speed and the construction quality of the project and reduce the environmental pollution caused by site construction.

摘要：【中文】本发明针对跨媒体检索问题，提出了一种基于跨媒体统一表征模型的跨媒体检索方法，包括以下步骤：(1)跨媒体数据库构建，建立面向政务新闻领域大跨媒体数据库；(2)跨媒体数据预处理，文本、图像、视频和音频等数据的输入预处理；(3)跨媒体数据原域特征提取，跨媒体数据的原域特征向量提取；(4)跨媒体数据统一表征，跨媒体数据在共同表示空间的特征向量提取；(5)数据检索语义相似度计算与排序，检索目标数据与跨媒体数据库中数据语义相似度计算，并排序输出结果。本发明不仅提出了一种支持四种媒体数据的相互检索方法，同时提出多种媒体数据的统一表征模型，提高了跨媒体语义检索精度，具有关阔的应用前景。 【EN】The invention provides a cross-media retrieval method based on a cross-media uniform representation model aiming at the problem of cross-media retrieval, which comprises the following steps: (1) constructing a cross-media database, and establishing a large-cross-media database facing the government affair news field; (2) cross-media data preprocessing, input preprocessing of data such as texts, images, videos and audios; (3) extracting original domain features of cross-media data, and extracting original domain feature vectors of the cross-media data; (4) uniformly representing the cross-media data, and extracting feature vectors of the cross-media data in a common representation space; (5) and calculating and sequencing the semantic similarity of the data, calculating the semantic similarity of the data of the retrieval target and the data in the cross-media database, and sequencing to output results. The invention not only provides a mutual retrieval method supporting four media data, but also provides a unified representation model of multiple media data, improves the cross-media semantic retrieval precision, and has a broad application prospect.

摘要：【中文】本发明属于移动机器人定位领域，公开了一种基于GNSS/UWB的移动机器人室内外联合定位方法及装置。通过产生粒子集并初始化，获得粒子的位置信息和该粒子的权重信息。通过重新评估每个粒子的权重，将GNSS和UWB传感器的输出作为观测值，计算出对应位置的相似度，更新粒子权重信息，再根据GNSS和UWB观测值的误差因子或观测值的方差计算得到最终的权值；利用归一化权重和状态后验分布进行状态估计；对所有粒子进行重采样，得到新粒子集，根据新粒子得到定位结果。该方法可以有效克服城市场景中多路径效应的影响，在恶劣的信道环境下对移动机器人进行准确定位，为移动机器人的室内外联合定位提供了更高精度的定位结果。 【EN】The invention belongs to the field of mobile robot positioning, and discloses a GNSS/UWB-based mobile robot indoor and outdoor combined positioning method and device. By generating a set of particles and initializing, position information of the particles and weight information of the particles are obtained. Calculating the similarity of corresponding positions by re-evaluating the weight of each particle and taking the output of the GNSS and UWB sensors as an observed value, updating the weight information of the particles, and calculating to obtain a final weight according to the error factor or variance of the observed value of the GNSS and UWB observed values; carrying out state estimation by utilizing the normalized weight and the state posterior distribution; and resampling all the particles to obtain a new particle set, and obtaining a positioning result according to the new particles. The method can effectively overcome the influence of multipath effect in urban scenes, accurately position the mobile robot in a severe channel environment and provide a higher-precision positioning result for indoor and outdoor combined positioning of the mobile robot.

摘要：【中文】本发明公开了一种基于无人机的悬吊式光立方系统及工作方法，包括无人机和光立方，所述无人机有四架，所述每架无人机上均安装有第一RTK定位模块，所述每架无人机下方均设有一悬吊机构，所述悬吊机构包括拉力传感器和挂钩；所述光立方包括一方格网和多条灯带，所述每条灯带均通过卡钩固定安装在所述方格网的下方，所述方格网的四个顶角均设有网环，所述方格网的每个顶角均安装有第二RKT定位装置，所述方格网的上方固定安装有电池组模块、无线通信模块和显示驱动模块，所述无线通信模块和所述显示驱动模块均与电池组模块电性连接。本发明节省了大量的人力物力资源，保障了人身和财产的安全，使得灯光演示更规范化、合理化。 【EN】The invention discloses a suspension type light cube system based on an unmanned aerial vehicle and a working method, wherein the suspension type light cube system comprises the unmanned aerial vehicle and a light cube, the unmanned aerial vehicle is provided with four frames, a first RTK positioning module is arranged on each unmanned aerial vehicle, a suspension mechanism is arranged below each unmanned aerial vehicle, and each suspension mechanism comprises a tension sensor and a hook; the light cube includes square grid and many lamp areas, every lamp area all through pothook fixed mounting in the below of square grid, four apex angles of square grid all are equipped with the net ring, second RKT positioner is all installed at every apex angle of square grid, the top fixed mounting of square grid has battery pack module, wireless communication module and demonstration drive module, wireless communication module with show drive module all with battery pack module electric connection. The invention saves a large amount of manpower and material resources, ensures the safety of human bodies and property, and ensures that the light demonstration is more standardized and more reasonable.

摘要：【中文】本发明公开了一种适用于无人机灯光秀的灯带，包括灯管和多个RGB发光元器件；所述灯管的顶部通过螺纹连接有一顶盖，所述顶盖上设有一卡钩和两个第一通孔，所述卡钩在所述顶盖的圆心处，所述灯管的底部通过螺纹连接有一底盖，所述底盖设有两个第二通孔；所述多个RGB发光元器件通过长条形柔性电路板固定安装在所述灯管内，所述每个RGB发光元器件包括两个LED灯珠，所述这两个LED灯珠通过表面贴装焊接工艺分别焊接在所述长条形柔性电路板的正反面，所述长条形柔性电路板每面的灯珠均是串联的。本发明节省了大量的人力物力资源，保障了人身和财产的安全，使得灯光演示更规范化、合理化。 【EN】The invention discloses a lamp belt suitable for unmanned aerial vehicle lamplight show, which comprises a lamp tube and a plurality of RGB light-emitting components; the top of the lamp tube is connected with a top cover through threads, the top cover is provided with a clamping hook and two first through holes, the clamping hook is arranged at the circle center of the top cover, the bottom of the lamp tube is connected with a bottom cover through threads, and the bottom cover is provided with two second through holes; the LED lamp comprises a lamp tube, a plurality of RGB light-emitting components and parts, wherein the RGB light-emitting components and parts are fixedly installed in the lamp tube through a strip-shaped flexible circuit board, each RGB light-emitting component comprises two LED lamp beads, the two LED lamp beads are welded on the front side and the back side of the strip-shaped flexible circuit board respectively through a surface mounting welding process, and the lamp beads on each side of the strip-shaped flexible circuit board are connected in series. The invention saves a large amount of manpower and material resources, ensures the safety of human bodies and property, and ensures that the light demonstration is more standardized and more reasonable.