摘要：【中文】本发明提出了一种PSD非线性误差的标校装置及方法，将二维PSD安装于两轴四框架航空平台的内俯仰框架上，激光器安装于外俯仰框架上，保证激光光斑垂直指向PSD敏感面。程序驱动外框架转动固定小角度，带动激光器光斑转动，通过信号处理系统读取PSD位置坐标信息，同时，通过外框架编码器读取转动角度信息，进行坐标解算，获得PSD坐标系运动真实坐标值，使用改进型BP神经网络快速标校算法进行处理，将误差进行曲线拟合，在线实时补偿PSD坐标值，实现了简洁准确修正PSD位置坐标非线性误差的目的。 【EN】The invention provides a device and a method for calibrating a PSD nonlinear error. The program drives the outer frame to rotate for fixing a small angle, drives the laser light spot to rotate, reads the position coordinate information of the PSD through the signal processing system, simultaneously reads the rotation angle information through the outer frame encoder, carries out coordinate calculation to obtain the real motion coordinate value of the PSD coordinate system, uses the improved BP neural network rapid calibration algorithm to carry out processing, carries out curve fitting on the error, compensates the PSD coordinate value on line in real time, and achieves the purpose of simply and accurately correcting the nonlinear error of the PSD position coordinate.

摘要：【中文】本申请提供一种LED显示屏调节方法、装置、电子设备及存储介质，该方法包括：获取LED显示屏的屏幕类型和屏幕墙大小，并根据所述屏幕类型和屏幕墙大小绘制屏幕分布示意图；接收基于所述屏幕分布示意图输入的调节区域选择指令，并确定所述调节区域选择指令对应的目标区域的坐标信息；接收调节项的调节值设置指令，并根据所述调节项的调节值设置指令确定调节项的调节值；向LED控制器发送调节指令，以使所述LED控制器根据所述调节指令中携带的所述目标区域的坐标信息以及调节项的调节值对目标LED灯的参数进行调节。该方法可以优化LED显示屏的显示效果。 【EN】The application provides an LED display screen adjusting method, an LED display screen adjusting device, electronic equipment and a storage medium, wherein the method comprises the following steps: acquiring the screen type and the screen wall size of an LED display screen, and drawing a screen distribution schematic diagram according to the screen type and the screen wall size; receiving an adjusting area selection instruction input based on the screen distribution schematic diagram, and determining coordinate information of a target area corresponding to the adjusting area selection instruction; receiving an adjusting value setting instruction of an adjusting item, and determining an adjusting value of the adjusting item according to the adjusting value setting instruction of the adjusting item; and sending an adjusting instruction to an LED controller so that the LED controller adjusts the parameters of the target LED lamp according to the coordinate information of the target area and the adjusting value of the adjusting item carried in the adjusting instruction. The method can optimize the display effect of the LED display screen.

摘要：【中文】本发明属于高分子材料合成技术领域，具体涉及一种高性能高回弹用聚醚多元醇的制备方法，采用碱金属催化剂和磷腈类催化剂复合催化体系，以三(2‑羟乙基)异氰脲酸酯为起始剂，依次与环氧丙烷和环氧乙烷进行聚合反应制备得到高性能高回弹用聚醚多元醇，制得的聚醚多元醇具有高分子量、高活性、低不饱和度、高力学性能等特点，可提高高回弹泡沫材料的力学性能和抗压强度，减少改性聚醚POP的使用，特别适用于低气味、低VOC高回弹泡沫的制备，满足汽车座椅轻量化的生产需求。 【EN】The invention belongs to the technical field of high polymer material synthesis, and particularly relates to a preparation method of high-performance high-resilience polyether polyol.

摘要：【中文】本发明属于聚醚多元醇合成技术领域，具体涉及一种高分子量高活性聚醚多元醇的制备方法。所述高分子量高活性聚醚多元醇的制备方法，先以甘油和/或三羟甲基丙烷为起始剂，在碱金属催化剂作用下与环氧丙烷聚合得到中间体聚醚多元醇；再将中间体聚醚多元醇作为料头在磷腈催化剂作用下继续与环氧丙烷进行聚合，并用环氧乙烷进行封端聚合，得到高分子量高活性聚醚多元醇。本发明的高分子量高活性聚醚多元醇的制备方法，反应历程活性高、平衡，副反应产物少，制备的聚醚多元醇伯羟基含量达到85％以上，分子量高、不饱和度低、分子量分布窄，赋予下游泡沫产品更优异的回弹和支撑性能，显著提升下游泡沫产品的弹性和手感舒适性。 【EN】The invention belongs to the technical field of polyether polyol synthesis, and particularly relates to a preparation method of polyether polyol with high molecular weight and high activity. The preparation method of the polyether polyol with high molecular weight and high activity comprises the steps of firstly, taking glycerol and/or trimethylolpropane as an initiator, and polymerizing the glycerol and/or trimethylolpropane with propylene oxide under the action of an alkali metal catalyst to obtain an intermediate polyether polyol; and taking the intermediate polyether polyol as a stub bar, continuing polymerizing with propylene oxide under the action of a phosphazene catalyst, and carrying out end capping polymerization by using ethylene oxide to obtain the polyether polyol with high molecular weight and high activity. The preparation method of the high molecular weight high activity polyether polyol has the advantages of high and balanced reaction process activity and few side reaction products, the primary hydroxyl content of the prepared polyether polyol reaches more than 85%, the molecular weight is high, the unsaturation degree is low, the molecular weight distribution is narrow, the downstream foam product is endowed with more excellent resilience and support performance, and the elasticity and the hand feeling comfort of the downstream foam product are obviously improved.

摘要：【中文】本发明属于高分子合成技术领域，具体涉及一种中空玻璃用无溶剂型硅烷改性聚氨酯密封胶及其制备方法。采用有机硅改性聚氨酯树脂为主要原料，同时加入触变剂、增塑剂、填料和催化剂配制成双组份中空玻璃用无溶剂型硅烷改性聚氨酯密封胶。本发明合成工艺简单，通过在聚氨酯链段中引入硅烷结构，使材料本身同时兼具有聚氨酯和硅酮的优点，环保无溶剂，密封胶密封固化后不收缩，力学性能优异，抗水汽渗透能力、抗紫外线能力优异，性价比高且成本低廉，易于实现规模化生产。 【EN】The invention belongs to the technical field of polymer synthesis, and particularly relates to a solvent-free silane modified polyurethane sealant for hollow glass and a preparation method thereof. The organic silicon modified polyurethane resin is used as a main raw material, and a thixotropic agent, a plasticizer, a filler and a catalyst are added to prepare the solvent-free silane modified polyurethane sealant for the two-component hollow glass. The invention has simple synthesis process, leads the material to simultaneously have the advantages of polyurethane and silicone by introducing a silane structure into a polyurethane chain segment, is environment-friendly and solvent-free, does not shrink after sealing and curing the sealant, has excellent mechanical property, excellent water vapor permeability resistance and ultraviolet resistance, high cost performance and low cost, and is easy to realize large-scale production.

摘要：【中文】本发明涉及聚氨酯技术领域，具体涉及一种无土栽培聚氨酯泡沫用聚醚多元醇及其制备方法和无土栽培聚氨酯泡沫及其制备方法。所述的无土栽培聚氨酯泡沫用聚醚多元醇，羟值为48.0‑52.0mgKOH/g，官能度2‑3；采用复合起始剂与环氧丙烷、环氧乙烷在催化剂的作用下共聚而成；所述复合起始剂为丙二醇、二乙二醇中的一种与甘油按摩尔比1:4‑3:2混合；所述的无土栽培聚氨酯泡沫包括无土栽培聚氨酯泡沫用聚醚多元醇。本发明的无土栽培聚氨酯泡沫用聚醚多元醇具有优异的亲水性能；其制备的无土栽培聚氨酯泡沫，开孔率高，回弹性高，稳定性好，吸水及保水性能优异；本发明还提供两者的制备方法。 【EN】The invention relates to the technical field of polyurethane, in particular to polyether polyol for soilless culture polyurethane foam and a preparation method thereof, and the soilless culture polyurethane foam and the preparation method thereof. The polyether polyol for the soilless culture polyurethane foam has a hydroxyl value of 48.0-52.0mgKOH/g and a functionality of 2-3; the catalyst is prepared by copolymerizing a composite initiator, propylene oxide and ethylene oxide under the action of a catalyst; the composite initiator is one of propylene glycol and diethylene glycol and is mixed with glycerol according to the molar ratio of 1:4-3: 2; the soilless culture polyurethane foam comprises polyether polyol for the soilless culture polyurethane foam. The polyether polyol for the soilless culture polyurethane foam has excellent hydrophilic performance; the prepared soilless culture polyurethane foam has the advantages of high aperture ratio, high rebound resilience, good stability and excellent water absorption and retention performance; the invention also provides a preparation method of the two.

摘要：【中文】本发明公开了一种电抗器，所述电抗器包括：骨架，所述骨架上设有安装孔，所述骨架上设有定位结构；第一铁芯，所述第一铁芯包括第一凸柱，所述第一凸柱伸入所述安装孔内以连接所述骨架；第二铁芯，所述第二铁芯与所述骨架相连并由所述定位结构定位，且所述第二铁芯的至少一部分与所述安装孔相对，用于所述第一铁芯与所述第二铁芯相对；绕组，所述绕组设于所述骨架上。根据本发明实施例的电抗器，所述骨架上设有定位结构，定位结构用于定位第二铁芯，方便了安装，提高了生产效率。 【EN】The invention discloses a reactor, which comprises: the framework is provided with a mounting hole, and the framework is provided with a positioning structure; the first iron core comprises a first convex column, and the first convex column extends into the mounting hole to be connected with the framework; the second iron core is connected with the framework and is positioned by the positioning structure, and at least one part of the second iron core is opposite to the mounting hole and used for enabling the first iron core to be opposite to the second iron core; and the winding is arranged on the framework. According to the reactor provided by the embodiment of the invention, the positioning structure is arranged on the framework and used for positioning the second iron core, so that the installation is convenient, and the production efficiency is improved.

摘要：【中文】本申请公开了一种射频同轴连接器绝缘耐压测试装置和方法，所述装置包括壳体、射频同轴连接器、电缆、高压插座和接地插座。所述电缆一端与所述射频同轴连接器连接，另一端电缆芯线与所述高压插座连接，屏蔽层与所述接地插座连接。所述壳体用于封装所述射频同轴连接器、电缆、高压插座和接地插座，预留射频同轴连接器、高压插座和接地插座接口在壳体外部。本申请还包含用所述装置进行测试的方法。本申请的方案测试效率高，安全性强。 【EN】The application discloses a device and a method for testing the dielectric withstand voltage of a radio frequency coaxial connector. One end of the cable is connected with the radio frequency coaxial connector, the cable core wire at the other end of the cable is connected with the high-voltage socket, and the shielding layer is connected with the grounding socket. The shell is used for packaging the radio frequency coaxial connector, the cable, the high-voltage socket and the grounding socket, and reserved interfaces of the radio frequency coaxial connector, the high-voltage socket and the grounding socket are arranged outside the shell. The application also includes methods of testing with the devices. The scheme of this application efficiency of software testing is high, and the security is strong.

摘要：【中文】本发明涉及一种车辆NVH自诊断方法、装置、车辆以及控制器和介质，所述方法包括采集车载传感器信号和时间信号；基于所述车载传感器信号和时间信号获取NVH诊断参数的测量数值；将所述NVH诊断参数的测量数值输入预置于车辆中的整车数学模型和动力总成数学模型中，生成NVH诊断结果。本发明无需为车辆连接外接NVH测试设备,也无需专业的检测人员参与，仅通过车辆自身设备进行NVH自诊断，降低了NVH检测成本，提升了用户体验。 【EN】The invention relates to a vehicle NVH self-diagnosis method, a vehicle NVH self-diagnosis device, a vehicle, a controller and a medium, wherein the method comprises the steps of collecting vehicle-mounted sensor signals and time signals; acquiring a measurement value of the NVH diagnosis parameter based on the vehicle-mounted sensor signal and the time signal; and inputting the measured values of the NVH diagnosis parameters into a complete vehicle mathematical model and a power assembly mathematical model preset in the vehicle to generate an NVH diagnosis result. According to the invention, the NVH self-diagnosis is carried out only through the vehicle equipment without connecting external NVH test equipment for the vehicle or participating by professional detection personnel, so that the NVH detection cost is reduced, and the user experience is improved.

摘要：【中文】一种水下隔声结构单元，它涉及减振降噪领域，具体涉及一种水下隔声结构。本发明的目的是提供一种水下隔声频带宽、效果好、参数设计性强的水隔声结构。水下隔声结构单元包括上盖板、下盖板以及弹性元件。理论计算表明，上、下盖板为边长0.2米的正方形、水下隔声结构单元总弹性系数为2.7×10⁷N/m时，频率大于1kHz的隔声量均显著大于15dB，而将其置于水下100m在静水压作用下弹簧仅会产生1.48mm的压缩量。本发明具有结构简单，隔声效果易于控制的优点。 【EN】An underwater sound insulation structure unit relates to the field of vibration and noise reduction, in particular to an underwater sound insulation structure. The invention aims to provide a water sound insulation structure which is wide in underwater sound insulation frequency band, good in effect and strong in parameter design. The underwater sound insulation structure unit comprises an upper cover plate, a lower cover plate and an elastic element. Theoretical calculation shows that the total elastic coefficient of the underwater sound insulation structure unit with the upper cover plate and the lower cover plate being square with the side length of 0.2m is 2.7 multiplied by 10⁷At N/m, the sound insulation quantity with the frequency of more than 1kHz is obviously more than 15dB, and the spring can only generate 1.48mm of compression quantity under the action of hydrostatic pressure when the spring is placed under water at 100 m. The invention has the advantages of simple structure and easy control of sound insulation effect.