摘要：【中文】本发明是关于一种声压传感器，涉及声电传感技术领域。主要技术方案为：声压传感器，包括：基底、感应层和弹性层；所述基底的第一端向相背的第二端设置有凹陷空间；所述感应层与所述弹性层层叠的设置，并覆盖所述基底的第一端并与所述基底连接；其中，所述感应层以中心点为起始分割点，均匀的分割成大于等于2个子感应层，相邻两个所述子感应层间具有预设距离，所述感应层能够在受到声波的压力时带动所述弹性层向所述基底的凹陷空间中形变，并将声波信号转化成电信号。所述声压传感器解决了现有技术中的声压传感器灵敏度不足的问题。 【EN】The invention relates to a sound pressure sensor, and relates to the technical field of sound and electricity sensing. The main technical scheme is as follows: an acoustic pressure sensor, comprising: a substrate, a sensing layer and an elastic layer; a concave space is arranged at the second end of the first end of the substrate, which is opposite to the first end; the sensing layer and the elastic layer are arranged in a laminated mode, cover the first end of the substrate and are connected with the substrate; the sensing layer is uniformly divided into more than or equal to 2 sub-sensing layers by taking a central point as an initial dividing point, a preset distance is reserved between every two adjacent sub-sensing layers, and the sensing layer can drive the elastic layer to deform towards the concave space of the substrate when being subjected to the pressure of sound waves and convert sound wave signals into electric signals. The sound pressure sensor solves the problem that the sound pressure sensor in the prior art is not enough in sensitivity.

摘要：【中文】本公开是关于一种超声波指纹识别方法、装置及系统、显示装置、存储介质，获取当前扫描行中的每个传感单元所接收的第一指纹信号；根据多个第一指纹信号以及目标传感单元和剩余传感单元的位置关系，分离目标传感单元的第一指纹信号中的干扰指纹信号，获得第二指纹信号，所述目标传感单元为当前扫描行中的任一传感单元，所述剩余传感单元为当前扫描行中非目标传感单元的传感单元，所述干扰指纹信号为剩余传感单元对应的指纹区域传输至目标传感单元的指纹信号；根据多个传感单元接收的所述第二指纹信号，进行指纹识别。 【EN】The disclosure relates to an ultrasonic fingerprint identification method, an ultrasonic fingerprint identification device, an ultrasonic fingerprint identification system, a display device and a storage medium, wherein a first fingerprint signal received by each sensing unit in a current scanning line is acquired; according to the plurality of first fingerprint signals and the position relation between a target sensing unit and the rest sensing units, separating interference fingerprint signals in the first fingerprint signals of the target sensing unit to obtain second fingerprint signals, wherein the target sensing unit is any sensing unit in a current scanning line, the rest sensing units are sensing units which are not target sensing units in the current scanning line, and the interference fingerprint signals are fingerprint signals transmitted to the target sensing unit from fingerprint areas corresponding to the rest sensing units; and performing fingerprint identification according to the second fingerprint signals received by the plurality of sensing units.

摘要：【中文】本发明提供一种点击化学接枝配位的聚酰胺‑聚酰亚胺煤层气脱氧分离膜及其制备方法、应用，脱氧分离膜包括具有配位功能化的聚酰胺‑聚酰亚胺化合物，具有配位功能化的聚酰胺‑聚酰亚胺化合物由聚酰胺结构单元和聚酰亚胺结构单元交替嵌段聚合构成且通过溴代和点击化学反应在分子结构中植入三氮唑连接的羧酸基团并通过羧酸基团与Co³⁺进行配位形成具有氧气促进功能的单元，聚酰胺单元的摩尔分数为5～60，聚酰亚胺单元的摩尔分数为95～40。本发明通过在高分子中设计羧酸根配位结构，形成对氧气促进传递功能的具有高氧气选择性的脱氧分离膜，在煤层气脱氧过程中具有良好应用前景。 【EN】The invention provides a click chemical grafting coordination polyamide-polyimide coal bed gas deoxidation separation membrane and a preparation method and application thereof³⁺Coordinating to form units with oxygen promoting function, wherein the mole fraction of polyamide units is 5-60, and the mole fraction of polyimide units is 95-40. The invention is realized byA carboxylate coordination structure is designed in a molecule to form a deoxygenation separation membrane with high oxygen selectivity and oxygen transfer promotion function, and the membrane has a good application prospect in the coal bed gas deoxygenation process.