摘要：【中文】本发明公开了一种多通道远场语音增强方法，包括：对多通道远场语音时域信号处理得到多通道远场语音频域信号，再通过加权预测误差算法处理得到抑制晚期混响后的多通道远场语音频域信号并估计出干扰；使用干扰协方差矩阵和抑制晚期混响后的多通道远场语音频域信号，通过协方差白化的方法计算相对早期传输函数作为导向矢量；利用干扰协方差矩阵和导向矢量对抑制晚期混响后的多通道远场语音频域信号依次进行最小方差无失真响应波束形成处理和单通道维纳滤波处理得到单通道语音频域信号，在其为单通道目标语音频域信号时进行逆傅里叶变换，得到目标语音时域信号。本方法可以同时有效抑制远场语音中的噪声和混响的干扰并保持目标声源的完整。 【EN】The invention discloses a multi-channel far-field speech enhancement method, which comprises the following steps: processing the multi-channel far-field speech time domain signal to obtain a multi-channel far-field speech frequency domain signal, processing the multi-channel far-field speech frequency domain signal by a weighted prediction error algorithm to obtain a multi-channel far-field speech frequency domain signal after inhibiting late reverberation, and estimating interference; using an interference covariance matrix and a multi-channel far-field speech frequency domain signal after inhibiting late reverberation, and calculating a relatively early transmission function as a guide vector by a covariance whitening method; and sequentially carrying out minimum variance distortion-free response beam forming processing and single-channel wiener filtering processing on the multi-channel far-field voice frequency domain signal subjected to late reverberation suppression by using an interference covariance matrix and a guide vector to obtain a single-channel voice frequency domain signal, and carrying out inverse Fourier transform when the single-channel far-field voice frequency domain signal is a single-channel target voice frequency domain signal to obtain a target voice time domain signal. The method can effectively inhibit the interference of noise and reverberation in far-field voice and keep the integrity of a target sound source.

摘要：【中文】本发明公开了一种银包覆铜粉的制备方法，属于金属粉末技术领域。本发明将超细铜粉加入到活化‑自催化膜剂溶液中，在常温、搅拌条件下反应5～30min，固液分离，采用去离子水洗涤固体得到预处理铜粉；将预处理铜粉加入到去离子水中，分散均匀得到铜粉分散液，在温度30～80℃下，逐滴滴加硝酸银溶液，搅拌处理1～10min得到包覆于铜粉表面的银胶膜，再加入硝酸银‑硫代硫酸钠络合溶液，加入还原剂，搅拌条件下反应10～60min，固液分离，采用去离子水洗涤固体，乙醇浸泡固体，真空干燥即得银包覆铜粉。本发明通过活化铜粉表面，并通过置换反应形成自催化银胶核及含卤素阴离子表面化性剂使银的沉积具有定向到铜粉表面，形成致密的银包覆铜粉。 【EN】The invention discloses a preparation method of silver-coated copper powder, belonging to the technical field of metal powder. Adding superfine copper powder into an activation-autocatalysis film agent solution, reacting for 5-30 min at normal temperature under stirring, carrying out solid-liquid separation, and washing the solid with deionized water to obtain pretreated copper powder; adding the pretreated copper powder into deionized water, uniformly dispersing to obtain a copper powder dispersion, dropwise adding a silver nitrate solution at the temperature of 30-80 ℃, stirring for 1-10 min to obtain a silver adhesive film coated on the surface of the copper powder, adding a silver nitrate-sodium thiosulfate complex solution, adding a reducing agent, reacting for 10-60 min under a stirring condition, carrying out solid-liquid separation, washing the solid with deionized water, soaking the solid with ethanol, and carrying out vacuum drying to obtain the silver-coated copper powder. According to the invention, the surface of copper powder is activated, autocatalytic silver colloidal nucleus is formed through a displacement reaction, and the halogen-containing anionic surfactant enables the deposition of silver to be oriented to the surface of the copper powder, so that the compact silver-coated copper powder is formed.

摘要：【中文】本发明提供了一种基团功能化菌丝滤膜及其制备方法与应用，方法包括复合基团母液配制，菌丝表面均相改性修饰和膜的固定稳定化后处理三个核心步骤。具体为：针对污染物特征与类型使用无机盐、有机基团配体配制定向污染物去除基团母液；利用固液均相嫁接反应实现菌丝膜的制备与功能化；最终通过洗涤、酸化与稳定化处理获得特征污染物废水净化拦截的基团功能化菌丝滤膜产品。本方法提供了一种重金属有机废液中污染物浓缩富集的功能化菌丝滤膜制备方法，可低成本的实现废水中的重金属的浓缩与回收，且无二次污染，应用前景广阔。 【EN】The invention provides a group functionalized hypha filter membrane and a preparation method and application thereof. The method specifically comprises the following steps: preparing a directional pollutant removing group mother solution by using inorganic salt and an organic group ligand according to the characteristics and types of pollutants; the preparation and functionalization of the mycelium membrane are realized by utilizing solid-liquid homogeneous grafting reaction; finally, a group functionalized hypha filter membrane product for purifying and intercepting characteristic pollutant wastewater is obtained through washing, acidification and stabilization treatment. The method provides the preparation method of the functionalized hypha filter membrane for concentrating and enriching the pollutants in the heavy metal organic waste liquid, can realize concentration and recovery of the heavy metals in the waste water at low cost, has no secondary pollution, and has wide application prospect.

摘要：【中文】本发明公开了一种沥青混凝土添加剂及其制备方法。该沥青混凝土添加剂按重量份计包括以下原料组分：聚乙烯100份；聚丙烯15～20份；增粘树脂5～10份；APAO5～15份；接枝剂1～3份；引发剂0.1～0.3份。该沥青混凝土添加剂的制备方法，包括：将聚乙烯、聚丙烯、增粘树脂、APAO、接枝剂、引发剂混合均匀后，经挤出机共混挤出、造粒，得到沥青混凝土添加剂。本发明沥青混凝土添加剂不仅显著提高了沥青混凝土的抗车辙性能，有效提高了沥青混凝土的抗水损害性能。 【EN】The invention discloses an asphalt concrete additive and a preparation method thereof. The asphalt concrete additive comprises the following raw material components in parts by weight: 100 parts of polyethylene; 15-20 parts of polypropylene; 5-10 parts of tackifying resin; APAO 5-15 parts; 1-3 parts of a grafting agent; 0.1-0.3 part of initiator. The preparation method of the asphalt concrete additive comprises the following steps: uniformly mixing polyethylene, polypropylene, tackifying resin, APAO, a grafting agent and an initiator, and then blending, extruding and granulating by an extruder to obtain the asphalt concrete additive. The asphalt concrete additive provided by the invention not only obviously improves the anti-rutting performance of asphalt concrete, but also effectively improves the water damage resistance of asphalt concrete.

摘要：【中文】本发明公开了一种沥青混凝土抗剥落剂及其制备方法。该沥青混凝土抗剥落剂按重量份计，包括以下原料组分：增粘树脂100份，APAO50～80份，接枝剂10～30份，引发剂1～3份，有机胺20～60份。该沥青混凝土抗剥落剂能够提高沥青与集料的粘附性，提高抗剥落性能，同时具有优异的抗老化性能和热稳定性能。 【EN】The invention discloses an asphalt concrete anti-stripping agent and a preparation method thereof. The asphalt concrete anti-stripping agent comprises the following raw material components in parts by weight: 100 parts of tackifying resin, 50-80 parts of APAO, 10-30 parts of grafting agent, 1-3 parts of initiator and 20-60 parts of organic amine. The asphalt concrete anti-stripping agent can improve the adhesion between asphalt and aggregate, improve the anti-stripping performance, and simultaneously has excellent ageing resistance and thermal stability.

摘要：【中文】本发明提供了一种选择性处理复杂废水的菌丝滤膜装置及处理工艺，所述装置由一个选择性废水处理装置或多个串联组成的选择性废水处理装置构成。所述选择性吸附废水处理装置包括菌丝滤膜反应罐、浓缩富集系统、梯级回收系统和可变直流电源，且菌丝滤膜反应罐内包含能选择性吸附特定污染物的菌丝滤膜。废水中污染物通过菌丝滤膜、填料层吸附和电场的共同作用在菌丝滤膜反应罐内沉积富集；脱附浓缩通过带电污染物在淋洗液和反向电场的驱动下脱附至淋洗液中，淋洗液浓缩后资源化利用。本发明利用污染物与基团的选择吸附性协同电场驱动实现了废水的处理和副产物分类，处理过程无二次污染，具有较高的经济及应用价值。 【EN】The invention provides a hypha filter membrane device for selectively treating complex wastewater and a treatment process. The selective adsorption wastewater treatment device comprises a hypha filter membrane reaction tank, a concentration and enrichment system, a step recovery system and a variable direct-current power supply, and the hypha filter membrane reaction tank contains a hypha filter membrane capable of selectively adsorbing specific pollutants. Pollutants in the wastewater are deposited and enriched in a hypha filter membrane reaction tank under the combined action of the adsorption of the hypha filter membrane and a packing layer and an electric field; the charged pollutants are desorbed into the eluent under the drive of the eluent and the reverse electric field, and the eluent is recycled after being concentrated. The invention realizes the treatment of wastewater and the classification of byproducts by utilizing the selective adsorption of pollutants and radicals in cooperation with the driving of an electric field, has no secondary pollution in the treatment process, and has higher economic and application values.

摘要：【中文】本发明涉及一种机器人智能末端执行器，其包括手指(6)、直线驱动器(14)、导轨(15)、手指安装座(16)、连杆(17)；直线驱动器(14)的直线输出部件的最外侧端部铰接了连杆(17)的一个端点；连杆(17)的另外一个端点铰接在手指安装座(16)上；手指安装座(16)安装在导轨上并沿着其移动；导轨(15)沿着与直线驱动器(14)的直线输出部件垂直的方向延伸。 【EN】The invention relates to an intelligent end effector of a robot, which comprises a finger (6), a linear driver (14), a guide rail (15), a finger mounting seat (16) and a connecting rod (17); the outermost end of the linear output part of the linear driver (14) is hinged with one end point of the connecting rod (17); the other end point of the connecting rod (17) is hinged on the finger mounting seat (16); a finger mount (16) mounted on and movable along the guide rail; the guide rail (15) extends in a direction perpendicular to the linear output member of the linear actuator (14).

摘要：【中文】本发明实施例公开一种织带式坠落防护缓冲器，包括一条复合织带和两条连接织带，复合织带的两端分别设有2个带头，两条连接织带分别连接复合织带的两端的带头，复合织带由外撕裂带和内撕裂带复合而成，外撕裂带和内撕裂带的中间部分复合连接，本发明能有效的规避冲击损害风险，结构简单具有复合带坠落缓冲功能和保险带安全保护功能，加工简单、质量一致性强，抗冲击能力好。 【EN】The embodiment of the invention discloses a braid-type falling protection buffer which comprises a composite braid and two connecting braids, wherein two ends of the composite braid are respectively provided with 2 ribbon heads, the two connecting braids are respectively connected with the ribbon heads at the two ends of the composite braid, the composite braid is formed by compounding an outer tearing ribbon and an inner tearing ribbon, and the middle parts of the outer tearing ribbon and the inner tearing ribbon are compounded and connected.

摘要：【中文】本发明公开了一种基于VMD算法的发电机组扰动源定位方法，其作为一种基于变分模态分解的强迫功率振荡扰动源定位方法，属于电力系统分析领域。该方法通过选取瞬态振荡阶段有功功率和频率，提出使用变分模态分解VMD算法提取振荡过程中的主导振荡模态分量。通过计算主导振荡模态分量的振荡能量，并根据振荡能量的曲线趋势定位扰动源。使用本发明的方法，能够在低频振荡起始阶段快速定位扰动源，为采取有效的控制措施节省时间。 【EN】The invention discloses a VMD algorithm-based method for positioning a disturbance source of a generator set, which is used as a method for positioning a disturbance source of forced power oscillation based on variational modal decomposition and belongs to the field of power system analysis. The method provides that a variational modal decomposition VMD algorithm is used for extracting a dominant oscillation modal component in the oscillation process by selecting active power and frequency of a transient oscillation stage. And (3) positioning the disturbance source according to the curve trend of the oscillation energy by calculating the oscillation energy of the dominant oscillation mode component. The method of the invention can quickly position the disturbance source at the initial stage of low-frequency oscillation, and save time for taking effective control measures.

摘要：【中文】本发明公开了一种测量自并励励磁系统电压控制环晶闸管放大倍数的方法和系统，所述方法，包括以下步骤：步骤1、测取发电机空载特性曲线，记录数据包括定子电压、励磁电流Ifd和励磁电压Ufd；步骤2、根据步骤1记录的数据，拟合发电机空载气隙线及发电机饱和方程，进而计算基准励磁电流I_FDB和饱和系数S_G；步骤3、利用励磁电压Ufd和饱和系数S_G计算基准励磁电压U_FDB；步骤4、利用基准励磁电压U_FDB，同时考虑晶闸管换相压降，计算电压控制环晶闸管放大倍数K_FD。本发明测量和计算结果准确度高。 【EN】The invention discloses a method and a system for measuring the amplification factor of a thyristor of a voltage control ring of a self-shunt excitation system, wherein the method comprises the following steps: step 1, measuring a generator no-load characteristic curve, and recording data including stator voltage, exciting current Ifd and exciting voltage Ufd; step 2, fitting a generator no-load air gap line and a generator saturation equation according to the data recorded in the step 1, and further calculating a reference exciting current I_FDBAnd saturation coefficient S_G(ii) a Step 3, utilizing the excitation voltage Ufd and the saturation coefficient S_GCalculating a reference excitation voltage U_FDB(ii) a Step 4, utilizing the reference excitation voltage U_FDBSimultaneously considering the commutation voltage drop of the thyristor and calculating the amplification factor K of the thyristor of the voltage control loop_FD. The invention has high accuracy of measurement and calculation results.