摘要：【中文】本发明公开了一种基于脊间隙波导的Ka波段GYSEL功分器，该功分器包括基于脊间隙波导的功分结构以及位于1个输入端口和2个输出端口处的脊间隙波导‑微带过渡结构。脊间隙波导中采用销钉‑凹槽的周期性电磁带隙结构，拓宽了脊间隙波导的带宽。微带过渡结构中矩形槽与置于矩形槽一侧上方的喇叭形微带探针用于实现脊间隙波导与微带线之间电磁波的耦合。对脊间隙波导中的脊进行3阶四分之一波长的切比雪夫阻抗变换实现了从脊间隙波导到矩形腔的宽频带范围的阻抗匹配。该功分器具有结构简单、低损耗、特性良好等优点，易于实现电路集成与系统封装。 【EN】The invention discloses a Ka-band GYSEL power divider based on ridge gap waveguides, which comprises a power dividing structure based on ridge gap waveguides and ridge gap waveguide-microstrip transition structures positioned at 1 input port and 2 output ports. The ridge gap waveguide adopts a pin-groove periodic electromagnetic band gap structure, so that the bandwidth of the ridge gap waveguide is widened. The rectangular groove in the microstrip transition structure and the horn-shaped microstrip probe arranged above one side of the rectangular groove are used for realizing the coupling of electromagnetic waves between the ridge gap waveguide and the microstrip line. The 3-step quarter-wave chebyshev impedance transformation of the ridge in the ridge-gap waveguide realizes impedance matching in a wide frequency band range from the ridge-gap waveguide to the rectangular cavity. The power divider has the advantages of simple structure, low loss, good characteristics and the like, and is easy to realize circuit integration and system packaging.

摘要：【中文】本发明公开了一种考虑土壤热湿耦合的直埋电缆载流量有限元计算方法，包括如下步骤：定义所敷设土壤深度、半宽，选择电缆类型、各部分几何大小、敷设回路数、排列方式、是否接触排列、各部分材料、埋设深度、环境参数、敷设土壤类型、材料、初始含水率、边界条件，设定初始迭代的电流、迭代精度和收敛因子，引入由MAXWELL方程组得到的热源项，结合土壤热湿耦合模型，得到载流量计算模型，设定网格大小，进行网格划分，并配置相应的求解器，最后求解计算缆芯的最高温度与持续工作时最高允许温度的绝对差值使其小于迭代精度。本发明的方法的优点是将传统农业中的热湿耦合模型结合到直埋电缆载流量计算上，实现了载流量的精确计算和动态计算。 【EN】The invention discloses a finite element calculation method for current-carrying capacity of a direct-buried cable considering soil heat-moisture coupling, which comprises the following steps: defining the depth and half width of laid soil, selecting the type of a cable, the geometric size of each part, the number of laid loops, the arrangement mode, whether the cable is in contact arrangement, the material of each part, the embedding depth, environmental parameters, the type of laid soil, the material, the initial moisture content and boundary conditions, setting the current, the iteration precision and the convergence factor of initial iteration, introducing a heat source item obtained by an MAXWELL equation system, obtaining a current-carrying capacity calculation model by combining a soil heat-moisture coupling model, setting the size of a grid, carrying out grid division, configuring a corresponding solver, and finally solving and calculating the absolute difference value of the highest temperature of a cable core and the highest allowable temperature during continuous working to enable the absolute difference value to be smaller than the iteration precision. The method has the advantages that the heat-moisture coupling model in the traditional agriculture is combined to the calculation of the current-carrying capacity of the direct-buried cable, so that the accurate calculation and the dynamic calculation of the current-carrying capacity are realized.

摘要：【中文】本发明公开了一种中低压电缆外表面与土壤接触热阻的测试装置及方法，是在圆筒结构内将液压膜、土壤和中低压电缆由外向内依次设置且紧密接触，并在上、下端面加设隔热层，营造出沿圆筒壁径向的一维稳态导热环境；液压膜将其外侧的油压传递给内侧的土壤，使土壤沿径向被压紧并与电缆均匀接触；电缆接通电源并达到稳态导热后，利用布置在土壤内部的多个温度传感器测量土壤内部不同半径位点的温度值，再按照现有方法测量出电缆缆芯的温度值；根据圆筒壁径向一维稳态导热模型，计算电缆外表面和土壤之间的接触热阻，同时计算土壤的热导率。 【EN】The invention discloses a device and a method for testing the thermal contact resistance between the outer surface of a medium and low voltage cable and soil, wherein a hydraulic membrane, the soil and the medium and low voltage cable are sequentially arranged from outside to inside in a cylinder structure and are tightly contacted, and heat insulation layers are additionally arranged on the upper end surface and the lower end surface to build a one-dimensional steady-state heat conduction environment along the radial direction of a cylinder wall; the hydraulic membrane transfers the oil pressure at the outer side to the soil at the inner side, so that the soil is compressed along the radial direction and is uniformly contacted with the cable; after the cable is connected with a power supply and reaches steady-state heat conduction, measuring temperature values of different radius points in the soil by using a plurality of temperature sensors arranged in the soil, and measuring the temperature value of a cable core of the cable according to the existing method; and calculating the thermal contact resistance between the outer surface of the cable and the soil according to the radial one-dimensional steady-state heat conduction model of the cylindrical wall, and meanwhile, calculating the thermal conductivity of the soil.

摘要：【中文】本发明公开了一种运行图阶段计划逻辑检查方法，包括：在数据库中配置阶段计划合法性检查项目表，其包含四列，依次用来存储阶段计划检查项目的ID、与各检查项目对应的内容、用于表示相应检查项目是否进行检查的标识、以及各检查项目报警的等级；在阶段计划下达之前，依照阶段计划合法性检查项目表逐条对阶段计划进行合法性检查；如果阶段计划未通过合法性检查，则依据报警的等级输出相应的告警提示信息；如果阶段计划通过合法性检查，则下达相关的阶段计划。该方法可以实现在阶段计划正式下达前的预检查，通过阶段计划的合法性检查，将不合理的阶段计划及时检查出来并输出告警，确保下达的阶段计划的准确性、保证列车运行安全，提高铁路运输效率。 【EN】The invention discloses a method for checking plan logic of an operation diagram phase, which comprises the following steps: configuring a stage plan validity check item table in a database, wherein the stage plan validity check item table comprises four columns which are used for storing IDs of stage plan check items, contents corresponding to all the check items, marks for indicating whether the corresponding check items are checked or not and the alarm levels of all the check items in sequence; before the stage plan is issued, the stage plan is subjected to legality check item by item according to a stage plan legality check item table; if the stage plan fails to pass the validity check, outputting corresponding alarm prompt information according to the alarm level; if the phase plan passes the validity check, the relevant phase plan is issued. The method can realize pre-inspection before the stage plan is formally issued, and can timely inspect the unreasonable stage plan and output an alarm through the validity inspection of the stage plan, thereby ensuring the accuracy of the issued stage plan, ensuring the running safety of the train and improving the railway transportation efficiency.