当前查询到381条专利与查询词 "【中文】张凌云"相关,搜索用时0.2968631秒!排序方式:
发明专利:226实用新型: 151外观设计: 4
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申请号:201911400431.6 公开号:CN111030616A 主分类号:H03F3/20
摘要:【中文】本发明实施例公开了一种基于径向合成技术的Ku频段固态功率放大器,包括预放大单元、主功放单元、电源和控制单元;所述主功放单元分别与预放大单元、电源和控制单元分别连接;其中,所述主功放单元包括依次相连的径向波导功分电路、功率放大阵列电路和径向波导合成电路,所述预放大单元的输出信号与径向波导功分电路的输入信号相连,所述功率放大阵列电路包括若干功放子电路和电源控制板,每个功放子电路的输入和输出端均与径向波导功分电路和径向波导合成电路相连。若干所述功放子电路采用径向合成的并联模型进行连接,单个所述功放子电路的失效不会导致整机故障的出现,不存故障的链式反应。 【EN】The embodiment of the invention discloses a Ku frequency band solid-state power amplifier based on a radial synthesis technology, which comprises a pre-amplification unit, a main power amplification unit, a power supply and a control unit, wherein the pre-amplification unit is used for amplifying a power signal; the main power amplification unit is respectively connected with the pre-amplification unit, the power supply and the control unit; the main power amplifier unit comprises a radial waveguide power dividing circuit, a power amplification array circuit and a radial waveguide synthesis circuit which are sequentially connected, an output signal of the pre-amplification unit is connected with an input signal of the radial waveguide power dividing circuit, the power amplification array circuit comprises a plurality of power amplification sub-circuits and a power supply control board, and an input end and an output end of each power amplification sub-circuit are connected with the radial waveguide power dividing circuit and the radial waveguide synthesis circuit. The power amplifier sub-circuits are connected by adopting a radial synthesized parallel model, and the failure of a single power amplifier sub-circuit can not cause the occurrence of the fault of the whole machine and the chain reaction of the fault can not be stored.
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申请号:201911107836.0 公开号:CN111174716A 主分类号:G01B11/06
摘要:【中文】本发明公开了一种外延层厚度测试装置和方法,所述装置包括红外光源、检测器、载物基座和控制模块,红外光源和检测器设置在载物基座的上方,待测外延片固定在载物基座上;控制模块用于控制载物基座进行预设轨迹运动,以使红外光源的入射光线照射到待测外延片的指定位置处,并使得入射光线通过待测外延片反射至检测器;检测器用于根据入射光线计算待测外延片的厚度。该外延层厚度测试装置和方法中的载物基座既能够做水平二维运动,也能够进行旋转运动,从而克服了红外光在试样边缘倒角处的能量逸散问题,确保可全面准确地测量外延片边缘区域的外延层厚度。 【EN】The invention discloses a device and a method for testing the thickness of an epitaxial layer, wherein the device comprises an infrared light source, a detector, a carrying base and a control module, wherein the infrared light source and the detector are arranged above the carrying base, and an epitaxial wafer to be tested is fixed on the carrying base; the control module is used for controlling the loading base to perform preset track motion so as to enable incident light of the infrared light source to irradiate the appointed position of the epitaxial wafer to be detected and enable the incident light to be reflected to the detector through the epitaxial wafer to be detected; the detector is used for calculating the thickness of the epitaxial wafer to be measured according to the incident light. The loading base in the epitaxial layer thickness testing device and the loading base in the epitaxial layer thickness testing method can perform horizontal two-dimensional motion and also can perform rotary motion, so that the problem of energy dissipation of infrared light at the chamfer of the edge of a sample is solved, and the thickness of the epitaxial layer in the edge area of the epitaxial wafer can be comprehensively and accurately measured.
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申请号:202010054783.7 公开号:CN111153977A 主分类号:C07K14/415
申请人:【中文】北京林业大学【EN】BEIJING FORESTRY University 申请日:2020.01.17 公开日:2020.05.15
摘要:【中文】本发明公开了与植物耐逆性相关的蛋白质PwUSP1及其编码基因与应用。所述蛋白质是如下a)或b)或c)或d)的蛋白质:a)氨基酸序列是序列2所示的蛋白质;b)在序列2所示蛋白质的N端和/或C端连接标签得到的融合蛋白质;c)将序列2所示氨基酸序列经过一个或几个氨基酸残基的取代和/或缺失和/或添加得到的具有相同功能的蛋白质;d)与序列2所示氨基酸序列具有75%或75%以上的同源性且具有相同功能的蛋白质。本发明证明在植物中过表达PwUSP1基因能够显著提高拟南芥对干旱和盐胁迫的耐受能力。理论上通过如农杆菌侵染法、基因枪法等方式在植物中过表达PwUSP1基因或其同源基因能够大幅提升植物的耐逆能力。 【EN】The invention discloses a protein PwUSP1 related to plant stress tolerance, and a coding gene and application thereof. The protein is the protein of the following a) or b) or c) or d): a) the amino acid sequence is a protein shown in a sequence 2; b) a fusion protein obtained by connecting a label to the N end and/or the C end of the protein shown in the sequence 2; c) the protein with the same function is obtained by substituting and/or deleting and/or adding one or more amino acid residues of the amino acid sequence shown in the sequence 2; d) and (b) a protein having a homology of 75% or more than 75% with the amino acid sequence shown in the sequence 2 and having the same function. The invention proves that the tolerance of arabidopsis thaliana to drought and salt stress can be obviously improved by over-expressing the PwUSP1 gene in plants. Theoretically, the stress tolerance of plants can be greatly improved by over-expressing the PwUSP1 gene or the homologous gene thereof in the plants by methods such as an agrobacterium infection method, a gene gun method and the like.
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申请号:201911367544.0 公开号:CN111139080A 主分类号:C09K17/40
摘要:【中文】本发明公开了一种有机复合凹凸棒石基土壤重金属钝化材料的制备工艺,包括如下步骤,1)将凹凸棒石原料进行粉碎、研磨后,得到粉末状凹凸棒石;2)将粉末状凹凸棒石与有机质搅拌混合,得到初混合物;3)将初混合物烘干,得到固体混合物;4)粉碎固体混合物,得到有机复合凹凸棒石钝化材料原料。本方案所制备的钝化材料,能够提高土壤含氧官能团,增加土壤颗粒表面的负电荷,增加土壤中部分重金属与有机质的亲和性,并且有助于重金属的稳定性,同时增强了凹凸棒石对重金属的吸附性,实用性强。 【EN】The invention discloses a preparation process of an organic composite attapulgite-based soil heavy metal passivation material, which comprises the following steps of 1) crushing and grinding an attapulgite raw material to obtain powdery attapulgite; 2) stirring and mixing the powdery attapulgite and the organic matters to obtain an initial mixture; 3) drying the primary mixture to obtain a solid mixture; 4) and (4) crushing the solid mixture to obtain the organic composite attapulgite passivation material raw material. The passivation material prepared by the scheme can improve the oxygen-containing functional groups of the soil, increase the negative charges on the surface of soil particles, increase the affinity between partial heavy metals and organic matters in the soil, contribute to the stability of the heavy metals, enhance the adsorptivity of the attapulgite to the heavy metals and have strong practicability.
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申请号:202010156424.2 公开号:CN111254490A 主分类号:C30B25/14
摘要:【中文】本发明提供了一种外延气体注入单元及外延反应器,属于半导体技术领域。外延气体注入单元包括:注射帽,所述注射帽包括多个气体入口和多个气体出口,所述气体入口与所述气体出口一一对应连通,每一所述气体入口通过气体管道与气体净化器连通;气体注入挡板,所述气体注入挡板包括多个与所述气体出口对应的通孔,以使得从所述气体出口排出的气体流过所述通孔,所述通孔靠近所述注射帽的入口的直径小于所述通孔远离所述注射帽的出口的直径。通过本发明的技术方案,能够改善外延层薄膜厚度均一性。 【EN】The invention provides an epitaxial gas injection unit and an epitaxial reactor, and belongs to the technical field of semiconductors. The epitaxial gas injection unit includes: the injection cap comprises a plurality of gas inlets and a plurality of gas outlets, the gas inlets are correspondingly communicated with the gas outlets one by one, and each gas inlet is communicated with the gas purifier through a gas pipeline; a gas injection baffle including a plurality of through-holes corresponding to the gas outlets such that gas discharged from the gas outlets flows through the through-holes, the through-holes having a diameter closer to an inlet of the injection cap smaller than a diameter of the through-holes farther from an outlet of the injection cap. By the technical scheme, the thickness uniformity of the epitaxial layer film can be improved.
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申请号:202210423500.0 公开号:CN114972501A 主分类号:G06T7/73
申请人:东北大学 申请日:2022.04.21 公开日:2022.08.30
摘要:本发明属于视觉SLAM领域,提出了一种基于先验语义地图结构信息和语义信息的视觉定位算法。本发明通过一种融合先验语义地图语义信息和结构信息的混合约束,将先验语义地图因子引入到视觉定位中。随后,利用视觉路标与先验语义地图之间的数据关联,使用期望最大化算法同时优化数据关联和相机位姿,提高视觉定位的精度和鲁棒性。该算法能够有效限制视觉里程计的漂移误差并提高视觉定位精度,以服务于导航等应用场景。在满足实时性的要求下,取得了较高的定位精度。
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申请号:202211501726.4 公开号:CN116037594A 主分类号:B08B9/30
申请人:宁波格劳博智能工业有限公司 申请日:2022.11.28 公开日:2023.05.02
摘要:本发明属于锂电池生产配套设备领域,具体涉及一种锂电池电解液包装桶内外壁的清洗方法与装置。本发明通过内壁清洗喷头在包装桶内的上下升降和旋转实现对于包装桶内壁的清洗,通过将包装桶从输送组件上翻转至滚动组件上并通过包装桶的旋转而利用外壁清洗组件将其外壁清洗干净。该方法和装置能自动化完成包装桶的内、外壁清洗,且对环境的影响小。
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申请号:202010170498.1 公开号:CN111238267A 主分类号:F28D9/00
摘要:【中文】本申请涉及换热设备技术领域,具体而言,涉及一种芯片组件及烟气热交换器,包括在第一方向上叠置的第一中间芯片和第二中间芯片,在所述第一中间芯片与所述第二中间芯片之间形成有烟气流道,所述烟气流道为密闭结构,且所述烟气流道具有用于与烟气管道连通的气口。本申请的目的在于针对目前热交换器零件种类较多,装配相对复杂的问题,提供一种芯片组件及烟气热交换器。 【EN】The utility model relates to a indirect heating equipment technical field particularly, relates to a chip module and flue gas heat exchanger, include chip in the middle of the first middle chip of superpose and the second in the first direction first middle chip with be formed with the flue gas runner between the chip in the middle of the second, the flue gas runner is airtight structure, just the flue gas runner has the gas port that is used for with the flue gas pipeline intercommunication. The application aims to solve the problems that the existing heat exchanger is more in part types and relatively complex in assembly, and provides a chip assembly and a flue gas heat exchanger.
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申请号:202111279429.5 公开号:CN114202579A 主分类号:G06T7/73
申请人:东北大学;北京仿真中心 申请日:2021.11.01 公开日:2022.03.18
摘要:一种面向动态场景的实时多体SLAM系统,该发明提取先验地图的结构信息和语义信息作为视觉里程计的先验约束。通过提出一种融合先验地图语义信息和结构信息的混合约束,将先验地图因子引入到视觉定位中。随后,利用视觉路标与先验地图之间的数据关联,使用EM算法同时优化数据关联和相机位姿。该算法能够有效限制视觉里程计的漂移误差并提高视觉定位精度,以服务于导航等应用场景。本发明构建的系统极大地提升了SLAM系统在动态场景中的位姿估计精度并同时提升了系统对周围物体的运动感知能力,有助于开展更智能化的智能决策与规划等工作。
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申请号:202310603931.X 公开号:CN116630561A 主分类号:G06T17/05
申请人:东北大学 申请日:2023.05.26 公开日:2023.08.22
摘要:本发明提供一种基于鲁棒的二次曲面初始化的室外视觉定位和建图方法,涉及视觉SLAM技术领域。本发明首先通过二维观测对目标物体初始化为等轴球体,然后利用后续观测优化球体为椭球。系统使用基于语义特征、椭球投影交并比和物体运动预测的数据关联算法保证连续帧物体的准确关联。最后使用联合优化策略,对相机位姿,二次曲面参数,地图点优化,最终构建完整的物体级语义地图。该发明能克服物体检测噪声和动态遮挡的干扰,并能有效克服传统物体初始化算法对平面假设的依赖,以适应复杂的实际场景路况,应用于无人驾驶和智能机器人的视觉感知和视觉定位领域。
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