摘要：【中文】本发明涉及可展机构领域，具体地说是一种新型可展空间反射面天线曲面结构及设计方法，包括底环、顶环和连接剪叉机构，其中底环包括多个底环剪叉机构，且每个底环剪叉机构一侧通过连接铰接座与相邻底环剪叉机构连接，另一侧通过底环剪叉铰接座与相邻底环剪叉机构连接，顶环包括多个顶环剪叉机构，且相邻顶环剪叉机构之间通过顶环剪叉铰接座连接，底环上每对连接铰接座与顶环上对应的一对顶环剪叉铰接座通过连接剪叉机构相连。本发明方便收展控制，且机构刚度高，展开过程中不易发生振颤，可重复收展。 【EN】The invention relates to the field of deployable mechanisms, in particular to a novel deployable space reflector antenna curved surface structure and a design method thereof. The invention is convenient for control of folding and unfolding, has high mechanism rigidity, is not easy to shake in the unfolding process, and can be repeatedly folded and unfolded.

摘要：【中文】本发明公开了一种雷达接收机的控制系统的仿真评估方法，包括以下步骤:S1.对雷达接收机的控制系统的功能模块进行仿真,检测是否满足需求；S2.所述雷达接收机经控制系统进行控制,检测是否完成控制，本发明通过实施技术方案，能够有效评估雷达接收机控制系统，提高了准确性。 【EN】The invention discloses a simulation evaluation method of a control system of a radar receiver, which comprises the following steps of S1, simulating a functional module of the control system of the radar receiver, and detecting whether the requirements are met; and S2, the radar receiver is controlled by the control system to detect whether the control is finished or not.

摘要：【中文】本发明提出了一种雷达最大方向性波束综合的数值优化方法，包括计算对应的交叉极化、副瓣电平、零陷约束的区域；计算对应区域的电场值；计算主极化方向性系数的最优解。本发明提出的解析解及数值优化方法，本发明方法可以针对任意阵列，在考虑单元耦合和平台效应情况下，对副瓣、零陷和交叉极化进行约束或无约束的条件下，均可以进行最优方向性波束综合。因而，本文方法具有较强的普适性和较为广泛的应用价值。 【EN】The invention provides a numerical optimization method for radar maximum directivity beam synthesis, which comprises the steps of calculating corresponding cross polarization, side lobe level and null trap constrained areas; calculating the electric field value of the corresponding area; and calculating the optimal solution of the main polarization directivity coefficient. The method can be used for carrying out optimal directional beam synthesis on any array under the condition of restraining or not restraining the side lobe, the null and the cross polarization under the condition of considering unit coupling and platform effect. Therefore, the method has stronger universality and wider application value.

摘要：【中文】本发明公开了一种基于差分的最优高压油管稳压控制方法，包括以下步骤：（1）由已知弹性模量与燃油压力的数据拟合出它们之间的关系式；（2）根据燃油压力变化量和密度变化量关系得到密度与压力的关系；（3）通过质量守恒和其他物理关系得到压力与时间的微分方程，再利用欧拉前向差分求出油管内压力随时间的变化；以油泵阀门开放时间为自变量变量，任意时刻的压力与稳态压力差最小为目标函数建立优化模型；（4）通过燃油进出质量守恒原理确定阀门开启时长的预测区间,并在预测区间内利用变步长搜索法求解最佳的阀门开放时间；（5）对稳压控制方法行误差分析和灵敏度分析。本发明将高压油管的稳压过程转化为动态最优控制问题再通过欧拉前向差分法和变步长搜索法对最优控制模型进行求解，得到最佳开阀时长，从而使管内压力保持稳定，该方法误差小，对高压油管内径长度和内直径的敏感性小，具有较强稳定性和较大的应用价值。 【EN】The invention discloses an optimal high-pressure oil pipe pressure stabilizing control method based on difference, which comprises the following steps: (1) fitting a relation between the known elastic modulus and the fuel pressure by using the data; (2) obtaining the relation between density and pressure according to the relation between the fuel pressure variation and the density variation; (3) obtaining a differential equation of pressure and time through mass conservation and other physical relations, and then solving the change of the pressure in the oil pipe along with the time by utilizing Euler forward difference; establishing an optimization model by taking the opening time of an oil pump valve as an independent variable and taking the minimum pressure difference between the pressure at any moment and the steady state as a target function; (4) determining a prediction interval of the valve opening duration according to a fuel inlet and outlet mass conservation principle, and solving the optimal valve opening time by using a variable step length search method in the prediction interval; (5) and carrying out error analysis and sensitivity analysis on the voltage stabilization control method. The invention converts the pressure stabilizing process of the high-pressure oil pipe into a dynamic optimal control problem, and then solves the optimal control model through an Euler forward difference method and a variable step length search method to obtain the optimal valve opening time length, so that the pressure in the pipe is kept stable.

摘要：【中文】本发明涉及一种仿啄木鸟的欠驱动关节及啄取装置，回转关节安装在底部箱体中，回转输出端由底部箱体露出，并与转台的一端相连，转台的另一端安装有大臂俯仰关节；大臂的下端与大臂俯仰关节的转动输出端连接，随转动输出端俯仰运动，大臂的上端与前臂欠驱动关节可相对转动地连接；弹簧装置的一端与大臂相连，另一端连接于底部箱体上；前臂的一端连接于前臂欠驱动关节上，另一端安装有实现向地面啄击动作的头部，头部的下部分别安装有末端啄取装置及用于啄击物体的锤嘴，末端啄取装置通过内部的末端电机实现末端啄取装置的开合动作，进而啄取物体。本发明采用基于啄木鸟的仿生采样机构，俯仰动作采用双关节，产生的冲击力大，机构可靠性强。 【EN】The invention relates to an under-actuated joint and a pecking device for imitating woodpeckers, wherein a rotary joint is arranged in a bottom box body, a rotary output end is exposed out of the bottom box body and is connected with one end of a rotary table, and the other end of the rotary table is provided with a large-arm pitching joint; the lower end of the large arm is connected with the rotating output end of the large arm pitching joint and moves in a pitching way along with the rotating output end, and the upper end of the large arm is connected with the forearm under-actuated joint in a relatively rotating way; one end of the spring device is connected with the large arm, and the other end of the spring device is connected to the bottom box body; one end of the forearm is connected to the forearm under-actuated joint, the other end of the forearm is provided with a head for realizing the action of pecking towards the ground, the lower part of the head is respectively provided with a tail end pecking device and a hammer for pecking an object, and the tail end pecking device realizes the opening and closing action of the tail end pecking device through an internal tail end motor so as to peck the object. The bionic sampling mechanism based on the woodpecker is adopted, the pitching motion adopts double joints, the generated impact force is large, and the reliability of the mechanism is strong.

摘要：【中文】本发明属于薄膜材料领域，并公开了一种高储能密度介电复合多层薄膜及其制备方法。该复合多层薄膜包括：顶层、中间层和底层，其中，顶层和底层的材料均为PEI，中间层的材料为PVDF，该中间层中填充有Ag包覆的纳米BaTiO₃颗粒，该复合多层薄膜在500～650MV/m的电场强度下最高达到20.6～21.3J/cm³的储能性能，储能效率最高达到80～82％。同时本发明还公开了该复合多层薄膜的制备方法。通过本发明，有效提高了电介质材料的储能密度、储能效率、击穿场强和温度稳定性。 【EN】The invention belongs to the field of thin film materials, and discloses a high-energy-storage-density dielectric composite multilayer thin film and a preparation method thereof. The composite multilayer film includes: the composite material comprises a top layer, a middle layer and a bottom layer, wherein the top layer and the bottom layer are made of PEI, the middle layer is made of PVDF, and the middle layer is filled with Ag-coated nano BaTiO₃Particles of the composite multilayerThe film can reach 20.6-21.3J/cm at the maximum under the electric field intensity of 500-650 MV/m³The energy storage efficiency can reach 80-82% at most. Meanwhile, the invention also discloses a preparation method of the composite multilayer film. The invention effectively improves the energy storage density, the energy storage efficiency, the breakdown field strength and the temperature stability of the dielectric material.

摘要：【中文】本发明为一种超小Gd₂O₃纳米颗粒的简易合成方法，该方法以水为溶剂，采用聚乙烯吡咯烷酮为表面活性剂并用于调控颗粒尺寸，利用硝酸钆在氨水作用下合成氧化钆纳米颗粒，通过透析去除多余的钆离子，从而获得水分散性良好、聚乙烯吡咯烷酮包裹的超小Gd₂O₃纳米颗粒。本发明合成的Gd₂O₃纳米颗粒具有超小的尺寸（小于5 nm)，且无毒无污染，具有很好的水分散性和稳定性，在磁共振成像和生物医学领域具有广阔的应用前景。 【EN】The invention relates to ultra-small Gd₂O₃The simple synthesis method of the nano-particles comprises the steps of taking water as a solvent, taking polyvinylpyrrolidone as a surfactant and regulating and controlling the particle size, synthesizing gadolinium oxide nano-particles by utilizing gadolinium nitrate under the action of ammonia water, and removing redundant gadolinium ions through dialysis to obtain ultra-small Gd (Gd) wrapped by polyvinylpyrrolidone with good water dispersibility₂O₃And (3) nanoparticles. Gd synthesized by the invention₂O₃The nano particles have an ultra-small size (less than 5 nm), are non-toxic and pollution-free, have good water dispersibility and stability, and have wide application prospects in the fields of magnetic resonance imaging and biomedicine.

摘要：【中文】本发明公开了基于语言种类和语音内容协同分类的多语言语音识别方法，所述方法包括：步骤1)建立和训练语言种类和语音内容协同分类声学模型；该声学模型融合了包含语种相关信息的语种特征向量，在多语言识别过程中能够利用语种特征向量对特定语种的音素分类层做模型自适应优化；步骤2)将待识别的语音特征序列输入训练好的语言种类和语音内容协同分类声学模型，输出特征序列对应的音素后验概率分布；解码器结合特征的序列音素后验概率分布生成若干个候选词序列和其对应的声学模型得分；步骤3)将候选词序列的声学模型得分和语言模型得分进行结合作为总体分数，将总体分数最高的候选词序列作为特定语言的语音内容的识别结果。 【EN】The invention discloses a multilingual speech recognition method based on language type and speech content collaborative classification, which comprises the following steps: step 1) establishing and training a language type and voice content collaborative classification acoustic model; the acoustic model fuses language feature vectors containing language related information, and model self-adaptive optimization can be performed on a phoneme classification layer of a specific language by using the language feature vectors in a multi-language recognition process; step 2) inputting the speech feature sequence to be recognized into a trained acoustic model for cooperatively classifying the language type and the speech content, and outputting phoneme posterior probability distribution corresponding to the feature sequence; the decoder generates a plurality of candidate word sequences and corresponding acoustic model scores thereof by combining the sequence phoneme posterior probability distribution of the characteristics; and 3) combining the acoustic model scores and the language model scores of the candidate word sequences to obtain an overall score, and taking the candidate word sequence with the highest overall score as the recognition result of the voice content of the specific language.

摘要：【中文】本发明提供了一种多功能主板模块支架、具有其的电器盒及空调器，多功能主板模块支架用于电器盒，多功能主板模块支架的正面设有至少一个卡扣和至少一个止口，多功能主板模块支架的背面设有至少一个发热元件放置槽，每个发热元件放置槽都设有挡边，每个卡扣和每个止口都设有和电器盒主板对应的通孔，多功能主板模块支架和电器盒主板卡扣连接，电器盒主板通过螺钉穿过多功能主板模块支架通孔后和散热器连接。本发明可以便于发热元件散热，同时也便于生产；还可以增大主板的利用率，便于排版布线；且能防止昆虫等动物，从电器盒主板正面爬到电器盒主板背面，从而达到有效防虫，避免虫爬到电器盒主板背面引脚导致电器盒主板短路烧毁。 【EN】The invention provides a multifunctional main board module support, an electric box with the same and an air conditioner, wherein the multifunctional main board module support is used for the electric box, the front side of the multifunctional main board module support is provided with at least one buckle and at least one spigot, the back side of the multifunctional main board module support is provided with at least one heating element placing groove, each heating element placing groove is provided with a flange, each buckle and each spigot are provided with a through hole corresponding to an electric box main board, the multifunctional main board module support is connected with the electric box main board in a buckling manner, and the electric box main board is connected with a radiator after penetrating through the through hole of the multifunctional main board module support through a screw. The invention can facilitate the heat dissipation of the heating element and is convenient for production; the utilization rate of the mainboard can be increased, and typesetting and wiring are facilitated; and can prevent animals such as insect, climb to the electrical apparatus box mainboard back from electrical apparatus box mainboard front to reach effective protection against insects, avoid the worm to climb to electrical apparatus box mainboard back pin and lead to electrical apparatus box mainboard short circuit to burn out.

摘要：【中文】本发明提供一种阀门安装装置、室外机及空调器，包括：阀门支架，阀门支架上设有内凹的槽形结构，且槽形结构的内凹的深度沿重力方向逐渐增加；阀门组件安装在槽形结构内；流道结构，流道结构设置在槽形结构沿重力方向的下端，流道结构用于将冷凝水引流到底盘内。本发明提供的阀门安装装置，用于解决现有技术的阀门及阀门支架的冷凝水滴落的问题，采用内凹斜面的支架结构，便于在冷凝水在重力作用下尽快流下，冷凝水的下流效率远高于垂直表面，同时槽形结构的底部设计流道结构，能够有效防止冷凝水在张力作用下水平流动。 【EN】The invention provides a valve installation device, an outdoor unit and an air conditioner, comprising: the valve bracket is provided with an inwards concave groove-shaped structure, and the inwards concave depth of the groove-shaped structure is gradually increased along the gravity direction; the valve assembly is arranged in the groove-shaped structure; and the flow channel structure is arranged at the lower end of the groove-shaped structure along the gravity direction and is used for guiding the condensed water into the chassis. The valve mounting device provided by the invention is used for solving the problem of the dripping of condensed water of the valve and the valve support in the prior art, the support structure with the concave inclined surface is adopted, the condensed water can flow down as soon as possible under the action of gravity, the flowing-down efficiency of the condensed water is far higher than that of a vertical surface, and meanwhile, the bottom of the groove-shaped structure is provided with the flow channel structure, so that the condensed water can be effectively prevented from flowing horizontally under the action of tension.