摘要：【中文】本发明提供了一种表面具有拓扑图案的PEEK的制备方法。所述制备方法包括如下步骤：(1)将PEEK材料置于表面具有拓扑图案的模板上，通过冷压、热压或先冷压后加热的方法，将所述PEEK材料压制成型，同时使所述模板上的拓扑图案转移到压制成型的PEEK表面；(2)将所述模板与所述压制成型的PEEK分离，得到表面具有拓扑图案的PEEK。本发明提供的方法可以在PEEK表面大面积形成自主设计的拓扑图案，形成的拓扑图案具有较高的分辨率，且可通过调节挤压成型的条件调节图案化后的PEEK的弹性模量，以适应不同的应用需求。 【EN】The invention provides a preparation method of PEEK with topological patterns on the surface. The preparation method comprises the following steps: (1) the PEEK material is placed on a template with a topological pattern on the surface, the PEEK material is pressed and molded by a cold pressing method, a hot pressing method or a method of firstly cold pressing and then heating, and the topological pattern on the template is transferred to the surface of the pressed and molded PEEK; (2) and separating the template from the PEEK subjected to compression molding to obtain the PEEK with the topological pattern on the surface. The method provided by the invention can form the self-designed topological pattern on the surface of the PEEK in a large area, the formed topological pattern has higher resolution, and the elastic modulus of the patterned PEEK can be adjusted by adjusting the extrusion molding condition so as to adapt to different application requirements.

摘要：【中文】本发明公开了一种紧耦合偶极子反射天线阵列，其改进之处在于：包括偶极子单元A和偶极子单元B，偶极子单元A和B均由介质基板以及印刷在介质基板上的偶极子、延迟线和金属贴片组成，但是偶极子单元A和偶极子单元B的偶极子放置方向相反，使两者的交叉极化电场相位相差180°,本发明所公开的天线阵列可以在不影响主极化电场分量的情况下大大降低反射阵列的交叉极化电场分量。 【EN】The invention discloses a tightly coupled dipole reflection antenna array, which is improved in that: the antenna array comprises a dipole unit A and a dipole unit B, wherein the dipole unit A and the dipole unit B are respectively composed of a dielectric substrate, a dipole, a delay line and a metal patch printed on the dielectric substrate, but the placement directions of the dipoles of the dipole unit A and the dipole unit B are opposite, so that the phase difference of cross polarization electric fields of the dipole unit A and the dipole unit B is 180 degrees, and the cross polarization electric field component of the reflection array can be greatly reduced under the condition that the main polarization electric field component is not influenced.

摘要：【中文】本发明公开了一种基于用户个性化需求推荐算法，包括以下步骤：积累目标用户信息，建立需求模型，更新目标用户个性化需求表，采用基于内容推荐算法，形成民宿候选集；利用基于聚类算法形成目标用户邻居集；依照是否被邻居集用户评分将民宿候选集分成两类，一类为已评分民宿候选集，另一类为未评分民宿候选集，获取的已评分民宿候选集的前若干项和未评分民宿候选集的前若干项共同组成主要推荐集；随机从匹配度低和大量其他民宿信息中，获取一定比例的民宿，增加多样性和新颖性信息，形成特殊推荐集；结合主要推荐集和特殊推荐集，形成推荐结果，推送给目标用户。本发明的有益之处在于提高推荐算法的效率，使推荐结果更加精确，可靠，新颖。 【EN】The invention discloses a recommendation algorithm based on user personalized requirements, which comprises the following steps: accumulating target user information, establishing a demand model, updating a target user personalized demand table, and forming a residential candidate set by adopting a content-based recommendation algorithm; forming a target user neighbor set by using a clustering algorithm; dividing the civilian-host candidate set into two types according to whether the civilian-host candidate set is scored by a neighbor set user or not, wherein one type is a scored civilian-host candidate set, the other type is an unscored civilian-host candidate set, and the first items of the obtained scored civilian-host candidate set and the first items of the unscored civilian-host candidate set form a main recommendation set; randomly acquiring a certain proportion of residents from low matching degree and a large amount of other residents information, increasing diversity and novelty information, and forming a special recommendation set; and combining the main recommendation set and the special recommendation set to form a recommendation result, and pushing the recommendation result to the target user. The method has the advantages of improving the efficiency of the recommendation algorithm and enabling the recommendation result to be more accurate, reliable and novel.

摘要：【中文】本发明公开了一种超宽带圆极化天线阵列，其改进之处在于：包括从上到下依次布置的三层介质基板，各层介质基板之间通过塑料螺钉连接，在底层介质基板的底面印刷一分四超宽带馈电网络，该一分四超宽带馈电网络包括一个输入端口和四个相位分别是0°、90°、180°和270°的输出端口，在底层介质基板的顶面设置金属圆锥体，在中间层介质基板上印刷梯度方形金属贴片阵列表面。本发明所公开的超宽带圆极化天线阵列，基于圆极化天线的概念设计，不但结构简单，还能提高其增益和显著降低其剖面，具有低剖面、高增益和超宽带的特点，可以应用于移动卫星通信等无线通信系统领域。 【EN】The invention discloses an ultra wide band circularly polarized antenna array, which is improved in that: the low-power-consumption ultra-wideband feed network comprises three layers of dielectric substrates which are sequentially arranged from top to bottom, all the dielectric substrates are connected through plastic screws, a one-to-four ultra-wideband feed network is printed on the bottom surface of the bottom dielectric substrate and comprises an input port and four output ports with phases of 0 degrees, 90 degrees, 180 degrees and 270 degrees respectively, a metal cone is arranged on the top surface of the bottom dielectric substrate, and the surface of a gradient square metal patch array is printed on the middle dielectric substrate. The ultra-wideband circularly polarized antenna array disclosed by the invention is designed based on the concept of a circularly polarized antenna, has a simple structure, can improve the gain and obviously reduce the section, has the characteristics of low section, high gain and ultra-wideband, and can be applied to the field of wireless communication systems such as mobile satellite communication and the like.

摘要：【中文】本发明公开了一种基于圆盘激励杯形天线设计的高精度导航天线，天线包括圆杯形金属腔体，在金属腔体的底部安装介质基板，在介质基板上印刷功分馈电网络，所述的功分馈电网络包括一个总馈电端口和四个输出信号幅度相等、相位依次相差90度的输出端口，四根容性馈电探针的底端分别焊接在四个输出端口上，顶端则均与下层金属圆盘相连接以便对其进行容性耦合馈电，在下层金属圆盘之上为带支节的上层金属圆盘，金属圆柱的底端焊接在金属腔体的底部，顶端与上层金属圆盘焊接在一起，中间则穿过下层金属圆盘并与之焊接在一起。本发明所公开的天线结构简单紧凑，剖面和后瓣电平低，带宽宽，抗多径干扰能力强，增益、方向图、相位中心、波瓣宽度和辐射性能稳定，适合应用于高精度导航、卫星通信以及全球定位系统等领域。 【EN】The invention discloses a high-precision navigation antenna designed based on a disc excitation cup-shaped antenna, which comprises a circular cup-shaped metal cavity, wherein a dielectric substrate is arranged at the bottom of the metal cavity, a power division feed network is printed on the dielectric substrate and comprises a total feed port and four output ports with equal output signal amplitude and sequential phase difference of 90 degrees, the bottom ends of four capacitive feed probes are respectively welded on the four output ports, the top ends of the four capacitive feed probes are respectively connected with a lower-layer metal disc so as to carry out capacitive coupling feed on the lower-layer metal disc, an upper-layer metal disc with a branch section is arranged on the lower-layer metal disc, the bottom end of a metal cylinder is welded at the bottom of the metal cavity, the top end of the metal cylinder is welded with the upper-layer metal disc, and the middle of the metal cylinder penetrates through the lower-layer metal. The antenna disclosed by the invention has the advantages of simple and compact structure, low profile and back lobe level, wide bandwidth, strong anti-multipath interference capability, stable gain, directional diagram, phase center, lobe width and radiation performance, and is suitable for being applied to the fields of high-precision navigation, satellite communication, global positioning system and the like.

摘要：【中文】本发明公开了一种用于设计M×N诺伦矩阵的新方法，诺伦矩阵包括移相器和耦合器，令移相器的值为，耦合器的散射矩阵为[S],从该散射矩阵[S]可以看出，每一个输入端口都隔离于其他的输入端口，为了能够设计出满足要求的诺伦矩阵，就是要求解出移相器和耦合器的参数。诺伦矩阵或者基于诺伦矩阵的馈电网络对于任意数目的天线（输出端口）和辐射波束（输入端口）有着更方便、更具拓展性的优势。本发明所公开用于设计M×N诺伦矩阵的新方法更简洁而且更适合于编程计算。 【EN】The invention discloses a new method for designing an MxN Nuomon matrix, wherein the Nuomon matrix comprises a phase shifter and a coupler, and the value of the phase shifter is set asThe scattering matrix of the coupler is [ S ]]From the scattering matrix [ S ]]It can be seen that each input port is isolated from the other input ports, and in order to design a norlon matrix meeting the requirements, it is required to solve the parameters of the phase shifter and the coupler. The norlon matrix or feed network based on the norlon matrix has the advantage of being more convenient and more scalable for any number of antennas (output ports) and radiation beams (input ports). The novel method for designing the MxN norlon matrix disclosed by the invention is simpler and more suitable for programming calculation。

摘要：【中文】本申请涉及一种预失真处理装置、信号传输系统和预失真处理方法。其中，该预失真处理装置包括依次连接的预失真单元、传输单元和耦合单元，其中耦合单元的反馈通路与预失真单元连接，该预失真处理装置还包括：生成单元、合路单元，其中，生成单元用于生成带宽大于系统输入信号的宽带信号，且宽带信号为非跳变信号；合路单元，包括第一输入端、第二输入端和输出端，合路单元的第一输入端与生成单元的输出端连接，合路单元的第二输入端用于接收系统输入信号，合路单元的输出端与预失真单元的输入端连接。通过本申请，解决了相关技术对窄带信号或跳频信号进行预失真处理的校正效果差的问题，改善了对窄带信号和跳频信号的预失真校正效果。 【EN】The present application relates to a predistortion processing apparatus, a signal transmission system, and a predistortion processing method. Wherein, this predistortion processing apparatus includes predistortion unit, transmission element and the coupling unit that connects gradually, and wherein the feedback path and the predistortion unit of coupling unit are connected, and this predistortion processing apparatus still includes: the device comprises a generating unit and a combining unit, wherein the generating unit is used for generating a broadband signal with a bandwidth larger than a system input signal, and the broadband signal is a non-hopping signal; and the combining unit comprises a first input end, a second input end and an output end, the first input end of the combining unit is connected with the output end of the generating unit, the second input end of the combining unit is used for receiving a system input signal, and the output end of the combining unit is connected with the input end of the predistortion unit. By the method and the device, the problem of poor correction effect of carrying out predistortion treatment on the narrowband signal or the frequency hopping signal in the related art is solved, and the predistortion correction effect on the narrowband signal and the frequency hopping signal is improved.

摘要：【中文】本发明公开了一种具有宽频带谐波抑制的差分馈电双极化天线，所述的天线包括底部的天线反射板和顶部的天线辐射体介质板，天线辐射体介质板由顶层线路和底层线路组成，底层线路包括中心方形贴片和分别腐蚀于中心方形贴片四个直角处的八个开口谐振槽，顶层线路包括八个分别用来激励八个开口谐振槽的阶梯型馈电线，在相邻的两个阶梯型馈电线之间均腐蚀一个短路枝节微带线，在短路枝节微带线的末端有一个与方形贴片相短路的短路点。本发明所公开的天线，八个开口谐振槽分别腐蚀于中心方形贴片的四个直角处，以实现对称的辐射方向图和低的交叉极化。 【EN】The invention discloses a differential feed dual-polarized antenna with broadband harmonic suppression, which comprises an antenna reflecting plate at the bottom and an antenna radiator dielectric plate at the top, wherein the antenna radiator dielectric plate consists of a top layer circuit and a bottom layer circuit, the bottom layer circuit comprises a central square patch and eight open resonant slots respectively corroded at four right angles of the central square patch, the top layer circuit comprises eight stepped feeder lines respectively used for exciting the eight open resonant slots, a short-circuit branch microstrip line is respectively corroded between two adjacent stepped feeder lines, and a short circuit point which is in short circuit with the square patch is arranged at the tail end of the short-circuit branch microstrip line. In the antenna disclosed by the invention, the eight opening resonance grooves are respectively corroded at the four right angles of the central square patch, so that a symmetrical radiation pattern and low cross polarization are realized.

摘要：【中文】本发明属于精密微小零件自动装配技术领域，涉及一种惯性摆装配设备视觉深度方向的安装偏角标定装置及方法。所述的装置包括上工装夹具10、夹具片8、下工装夹具、视觉模块和装调模块。本发明利用现有的零件夹具工装，根据零件及其夹具形状的特殊性，标定出与相机拍摄方向平行的三轴位移滑台的安装偏转角误差，进而补偿运动部件安装误差，提高装配设备的装配精度。本发明摆脱专用标定量块的限制，克服与相机拍摄方向相同的精密位移滑台安装偏角误差标定难题。 【EN】The invention belongs to the technical field of automatic assembly of precise micro parts, and relates to an installation deflection angle calibration device and method in the visual depth direction of an inertia pendulum assembly device. The device comprises an upper tool clamp 10, a clamp piece 8, a lower tool clamp, a vision module and an adjusting module. According to the invention, the existing part fixture tool is utilized, and the installation deflection angle error of the three-axis displacement sliding table parallel to the camera shooting direction is calibrated according to the particularity of the part and the fixture shape, so that the installation error of the moving part is compensated, and the assembly precision of the assembly equipment is improved. The invention gets rid of the limitation of a special calibration gauge block and overcomes the difficult problem of the calibration of the installation deflection angle error of the precision displacement sliding table in the same shooting direction as the camera.

摘要：【中文】本发明公开了一种高隔离度高谐波抑制的小型化双频双极化5G基站天线，天线由上下两块印刷电路板腐蚀而成，在上电路板的上表面印刷低频方环形谐振贴片、下表面印刷高频方环形谐振贴片，在下电路板的上表面印刷两个地板开缝的耦合槽、下表面印刷两个匹配谐波抑制枝节，下电路板的两个匹配谐波抑制枝节分别通过一个耦合槽激励上电路板的一个方环形谐振贴片，微带馈线通过下电路板的耦合槽把激励的能量耦合至上电路板的低频方环形谐振贴片和高频方环形谐振贴片。本发明所公开的天线，将谐振贴片设置为方环形，可以有效降低天线的辐射尺寸，达到小型化的目的，并提高天线的辐射效率和端口隔离度。 【EN】The invention discloses a high-isolation high-harmonic-suppression miniaturized double-frequency dual-polarization 5G base station antenna which is formed by corroding an upper printed circuit board and a lower printed circuit board, wherein a low-frequency square annular resonance patch is printed on the upper surface of the upper printed circuit board, a high-frequency square annular resonance patch is printed on the lower surface of the upper printed circuit board, two floor slotted coupling grooves are printed on the upper surface of the lower printed circuit board, two matched harmonic suppression branches are printed on the lower surface of the lower printed circuit board, the two matched harmonic suppression branches of the lower printed circuit board respectively excite one square annular resonance patch of the upper printed circuit board through one coupling groove, and a microstrip feeder line couples excited energy to the low-frequency square annular resonance patch and the high-frequency square annular resonance patch of the. According to the antenna disclosed by the invention, the resonant patch is set to be in the shape of a square ring, so that the radiation size of the antenna can be effectively reduced, the purpose of miniaturization is achieved, and the radiation efficiency and the port isolation degree of the antenna are improved.