摘要：【中文】本发明公开了一种具有滤波功能的差分移相器，包括：介质基板、金属地层和微带结构，金属地层和微带结构设置在介质基板上，所述微带结构包括相互独立的第一二端口网络和第二二端口网络，所述第一二端口网络和所述第二二端口网络结构均包括时延线、耦合线和传输线网络，所述传输线网络与所述时延线、所述耦合线连接，其中所述耦合线的电长度为中心频率对应波长的四分之一，所述传输线网络包括第一传输线，所述第一传输线的电长度为中心频率对应波长的四分之三。本发明使得信号通过时，耦合线和第一传输线的电长度相差180度，信号产生相干相消，在中心频点处保留通带，在带宽外产生阻带，实现滤波功能，可广泛应用于移相器领域。 【EN】The invention discloses a differential phase shifter with a filtering function, which comprises: the microstrip structure comprises a first two-port network and a second two-port network which are independent of each other, the first two-port network and the second two-port network respectively comprise a delay line, a coupling line and a transmission line network, the transmission line network is connected with the delay line and the coupling line, the electrical length of the coupling line is one fourth of the wavelength corresponding to the center frequency, the transmission line network comprises a first transmission line, and the electrical length of the first transmission line is three quarters of the wavelength corresponding to the center frequency. When the signal passes through the phase shifter, the difference between the electrical lengths of the coupling line and the first transmission line is 180 degrees, the signal is subjected to coherence cancellation, a passband is reserved at a central frequency point, a stop band is generated outside the bandwidth, the filtering function is realized, and the phase shifter can be widely applied to the field of phase shifters.

摘要：【中文】本发明公开了基于差分进化算法的局部搜索和全局搜索融合方法及系统，方法包括：对种群参数进行初始化配置，生成初始种群；配置局部搜索代数计数器和全局搜索代数计数器；在种群进入局部搜索阶段时，确定局部搜索代数计数器处于上限和下限之间且子种群没有收敛后，种群进入全局搜索阶段；判断全局搜索代数计数器的值是否小于全局搜索代数的上限，若是，则重新执行全局搜索阶段；反之，则返回执行配置局部搜索代数计数器和全局搜索代数计数器的步骤，直至确定达到初始化配置的差分进化算法执行的终止条件后，结束所述差分进化算法。本发明增强了种群的收敛性和探索性，提高了搜索的全面性，高效且复杂度低，可广泛应用于数值优化技术领域。 【EN】The invention discloses a local search and global search fusion method and a system based on a differential evolution algorithm, wherein the method comprises the following steps: carrying out initialization configuration on population parameters to generate an initial population; configuring a local search algebra counter and a global search algebra counter; when the population enters a local search stage, determining that a local search algebraic counter is between an upper limit and a lower limit and a sub-population is not converged, and then entering a global search stage; judging whether the value of the global search algebra counter is smaller than the upper limit of the global search algebra, if so, re-executing the global search stage; otherwise, returning to the step of executing and configuring the local search algebra counter and the global search algebra counter until the termination condition of the execution of the initially configured differential evolution algorithm is determined, and ending the differential evolution algorithm. The invention enhances the convergence and searchability of the population, improves the comprehensiveness of the search, has high efficiency and low complexity, and can be widely applied to the technical field of numerical optimization.

摘要：【中文】本发明公开了一种宽带高增益微带磁偶极子天线，包括金属平面以及设置在金属平面上的若干个金属腔体，金属腔体分为两层堆叠设置，位于下层的金属腔体上设有馈电结构。该宽带高增益微带磁偶极子天线由上层天线和下层天线组合而成，每层天线可看作一个基本的微带磁偶极子天线，两层天线堆叠在一起并且谐振在临近频率，从而扩展带宽，上下两层天线方向图相近，使其方向图同相叠加从而进一步天线的增大带宽和增益。另外上层天线由两个金属腔体构成，避免因为由单个金属腔体构成使得等效磁流过长，导致高阶模的产生使得天线带宽下降的问题。三个金属腔体采用一致的尺寸大小使得天线方便加工制作，满足实际应用。 【EN】The invention discloses a broadband high-gain microstrip magnetic dipole antenna, which comprises a metal plane and a plurality of metal cavities arranged on the metal plane, wherein the metal cavities are arranged in a two-layer stacked manner, and a feed structure is arranged on the metal cavity positioned at the lower layer. The broadband high-gain microstrip magnetic dipole antenna is formed by combining an upper layer antenna and a lower layer antenna, each layer of antenna can be regarded as a basic microstrip magnetic dipole antenna, the two layers of antennas are stacked together and resonate at a near frequency, so that the bandwidth is expanded, the directional diagrams of the upper layer antenna and the lower layer antenna are close to each other, and the directional diagrams of the upper layer antenna and the lower layer antenna are stacked in phase, so that the bandwidth and the gain of the antenna are further increased. In addition, the upper-layer antenna is composed of two metal cavities, so that the problem that the bandwidth of the antenna is reduced due to the fact that equivalent magnetic current is too long due to the fact that a single metal cavity is formed is solved. The three metal cavities adopt the same size, so that the antenna is convenient to process and manufacture, and the practical application is met.

摘要：【中文】本发明公开了一种端射折叠缝隙天线阵，包括两天线单元、两矩形金属贴片、馈电结构；两天线单元共用两块介质板，两块介质板包括一上介质板和一下介质板，其中一个天线单元设置在上介质板和下介质板的一侧，另一天线单元设置在上介质板和下介质板的另一侧，两天线单元共用两块介质板构成二元天线阵。两天线单元用串馈技术通过两矩形金属贴片连接，天线单元开设有矩形缝隙，馈电结构设置在任一天线单元的矩形缝隙处。本发明通过类似“折叠”平面缝隙天线的方式，提出一种和平面缝隙天线具有类似辐射模式的、低剖面的、垂直极化的折叠缝隙天线，并以此为天线单元构造一个在平行于平面方向实现端射的二元阵列天线。 【EN】The invention discloses an end-fire folding slot antenna array, which comprises two antenna units, two rectangular metal patches and a feed structure, wherein the two rectangular metal patches are arranged on the two antenna units; two antenna units share two dielectric slabs, the two dielectric slabs comprise an upper dielectric slab and a lower dielectric slab, one antenna unit is arranged on one side of the upper dielectric slab and one side of the lower dielectric slab, the other antenna unit is arranged on the other side of the upper dielectric slab and the other side of the lower dielectric slab, and the two antenna units share the two dielectric slabs to form a binary antenna array. The two antenna units are connected through two rectangular metal patches by using a series feed technology, rectangular gaps are formed in the antenna units, and the feed structure is arranged in the rectangular gaps of any one antenna unit. The invention provides a low-profile vertically polarized folded slot antenna with a similar radiation mode to a planar slot antenna in a mode similar to a 'folded' planar slot antenna, and a binary array antenna for realizing end-fire in a direction parallel to a plane is constructed by taking the folded slot antenna as an antenna unit.

摘要：【中文】本发明提供了一种电驱动大豆小区播种机，播种机架下端铰接播种机构，所述控制机构通过控制器连接上种总成的上种电机，上种总成的上种出口筒通过第一连接管连接播种机构的落种口，本发明能够由之前的机械式、液压式改成了纯电动，更加清洁环保，通过控制机构的编码器与后驱动轮同步转动，编码器直接反馈排种步进电机，精确度高，便于控制株距，通过上种电机控制圆盘每次的转动角度，精度高，种杯与上种出口筒配合，容易安装，通过播种机构的负压风机对排种器中的多余的种子进行清种，通过控制器控制自动化排种，实现智能播种，本发明结构新颖，操作简单，制造成本低。 【EN】The invention provides an electrically-driven soybean plot seeder, wherein the lower end of a seeding rack is hinged with a seeding mechanism, a control mechanism is connected with a seeding motor of a seeding assembly through a controller, a seeding outlet cylinder of the seeding assembly is connected with a seed falling port of the seeding mechanism through a first connecting pipe, the electrically-driven soybean plot seeder can be changed from the prior mechanical type and hydraulic type into pure electric type, is cleaner and more environment-friendly, synchronously rotates with a rear driving wheel through an encoder of the control mechanism, directly feeds back a seed metering stepping motor through the encoder, has high accuracy and is convenient to control the row spacing, controls the rotation angle of a disc each time through the seeding motor, has high accuracy, is matched with the seeding outlet cylinder, is easy to install, cleans redundant seeds in the seeding device through a negative pressure fan of the seeding mechanism, controls automatic seed metering through the controller, realizes intelligent seeding, has novel structure and simple operation, the manufacturing cost is low.

摘要：【中文】本发明具体涉及一种TBM主机皮带机，包括TBM机主梁、皮带机主架、驱动滚筒、从动滚筒、皮带、接渣斗和主机皮带机控制系统，所述皮带机主架包括固定主架和活动尾架，所述固定主架与TBM机主梁固定，所述活动尾架与固定主架旋转铰接在一起可上下摆动，所述活动尾架中部设置有举升油缸，所述举升油缸一端与所述TBM机主梁固定连接、另一端与所述活动尾架连接，所述接渣斗位于皮带的上方与TBM主梁固定连接，所述主机皮带机控制系统设有皮带反向旋转控制系统。本发明TBM主机皮带机中皮带主架中活动尾架和及其举升油缸的设置，可以将积压的渣土全部倒入刀盘内，极大地节约了渣土清理时间，使得主机皮带机的快速脱困，减少人工清渣时间和工作量，可以快速回复掘进。 【EN】The invention particularly relates to a TBM (tunnel boring machine) main belt conveyor which comprises a TBM main beam, a belt conveyor main frame, a driving roller, a driven roller, a belt, a slag receiving hopper and a main belt conveyor control system, wherein the belt conveyor main frame comprises a fixed main frame and a movable tail frame, the fixed main frame is fixed with the TBM main beam, the movable tail frame is rotatably hinged with the fixed main frame and can swing up and down, a lifting oil cylinder is arranged in the middle of the movable tail frame, one end of the lifting oil cylinder is fixedly connected with the TBM main beam, the other end of the lifting oil cylinder is connected with the movable tail frame, the slag receiving hopper is positioned above the belt and is fixedly connected with the TBM main beam, and the main belt conveyor control system is provided with a belt reverse rotation control. The movable tail frame in the main belt frame of the TBM main belt conveyor and the lifting oil cylinder of the movable tail frame can completely pour accumulated muck into the cutter head, greatly saves muck cleaning time, enables the main belt conveyor to quickly get rid of difficulties, reduces manual slag cleaning time and workload, and can quickly recover tunneling.