摘要：【中文】本公开涉及地图构建及定位技术领域，具体涉及一种地图构建方法、一种地图构建装置、一种定位方法、一种定位装置、一种计算机可读介质以及一种无线通信终端。地图构建方法包括：采集当前环境的环境图像；获取所述环境图像的图像特征信息，根据图像特征信息对连续的所述环境图像进行特征点匹配以筛选关键帧图像；其中，图像特征信息包括特征点信息和对应的描述子信息；获取所述关键帧图像中匹配的特征点对应的深度信息，以构建所述关键帧图像的三维特征信息；基于所述关键帧图像构建所述当前环境的地图数据；其中，地图数据包括所述关键帧图像对应的图像特征信息和三维特征信息。本公开提供的方法定位高精度、鲁棒性强，适用于多种复杂场景。 【EN】The present disclosure relates to the field of map construction and positioning technologies, and in particular, to a map construction method, a map construction apparatus, a positioning method, a positioning apparatus, a computer-readable medium, and a wireless communication terminal. The map construction method comprises the following steps: acquiring an environment image of a current environment; acquiring image characteristic information of the environment image, and performing characteristic point matching on the continuous environment image according to the image characteristic information to screen a key frame image; the image characteristic information comprises characteristic point information and corresponding descriptor information; acquiring depth information corresponding to the matched feature points in the key frame image to construct three-dimensional feature information of the key frame image; constructing map data of the current environment based on the key frame images; the map data comprises image characteristic information and three-dimensional characteristic information corresponding to the key frame images. The method provided by the disclosure has high positioning precision and strong robustness, and is suitable for various complex scenes.

摘要：【中文】本发明提供一种实现动态真空脱气的装置及其使用方法，包括一五通连接管路、四个两通电磁阀、脱气气缸及被动气缸，两通电磁阀为两位通结构；五通连接管路中其中四个通路为与四个两通电磁阀的四个进出油管分别连接，五通连接管路另一个通路经连通管与脱气气缸的进出油口连通；所述脱气气缸还包括一个样气出口，脱气气缸的伸缩杆由驱动装置驱动伸缩，脱气气缸上具有控制伸缩杆移动的限位开关；被动气缸的进出油口经一油路连接管与其中一个两通电磁阀连通，本发明检测油通过驱动装置与脱气气缸的精准配合，可以实现精准定量，通过检测油在脱气气缸、被动气缸之间来回的动作能够提升气体的逸散速率、脱离效率，实现极高的脱气效率。 【EN】The invention provides a device for realizing dynamic vacuum degassing and a using method thereof, wherein the device comprises a five-way connecting pipeline, four two-way electromagnetic valves, a degassing cylinder and a passive cylinder, wherein the two-way electromagnetic valves are of a two-position-way structure; four passages in the five-way connecting pipeline are respectively connected with four oil inlet and outlet pipes of the four two-way electromagnetic valves, and the other passage of the five-way connecting pipeline is communicated with an oil inlet and outlet of the degassing cylinder through a communicating pipe; the degassing cylinder also comprises a sample gas outlet, a telescopic rod of the degassing cylinder is driven by the driving device to stretch, and a limit switch for controlling the telescopic rod to move is arranged on the degassing cylinder; the oil inlet and the oil outlet of the passive cylinder are communicated with one of the two-way electromagnetic valves through an oil way connecting pipe, the detection oil is accurately matched with the degassing cylinder through the driving device, accurate quantification can be realized, the gas dissipation rate and the gas separation efficiency can be improved through detecting the action of the oil returning between the degassing cylinder and the passive cylinder, and the extremely high degassing efficiency is realized.

摘要：【中文】一种宽频段光电探测器频率响应的测试装置与方法，属于光电子技术领域，旨在提供一种光电探测器频率响应的宽频段、高分辨率、自校准测试方法。本发明利用光学频率梳产生梳状光谱信号，输入到电光强度调制器中被射频信号源调制，然后输出的光调制信号输入到待测光电探测器中进行光电转换，最后在频谱分析模块中分析特定的频率分量，并通过设置特定的射频调制频率，实现待测光电探测器频率响应的分段拼接，同时消除光学频率梳以及电光强度调制器的不平坦响应的影响，最终仅需要一个射频信号源单独驱动电光强度调制器就可以实现光电探测器频率响应的宽频段、高分辨率、自校准测试。 【EN】A device and a method for testing the frequency response of a wide-band photoelectric detector belong to the technical field of photoelectrons and aim to provide a method for testing the frequency response of the photoelectric detector with wide band, high resolution and self calibration. The invention utilizes the optical frequency comb to generate comb-shaped spectrum signals, the comb-shaped spectrum signals are input into the electro-optical intensity modulator and modulated by the radio frequency signal source, then the output light modulation signals are input into the photoelectric detector to be tested for photoelectric conversion, finally, specific frequency components are analyzed in the spectrum analysis module, and the sectional splicing of the frequency response of the photoelectric detector to be tested is realized by setting specific radio frequency modulation frequency, meanwhile, the influence of the uneven response of the optical frequency comb and the electro-optical intensity modulator is eliminated, and finally, the wide-band, high-resolution and self-calibration test of the frequency response of the photoelectric detector can be realized only by independently driving the electro-optical intensity modulator by one radio frequency signal source.

摘要：【中文】本公开提供一种基于变频技术的频率测量设备，包括：激光源；信号接收模块；微波源；变频模块，进行变频生成变频后电信号并输出；电光调制模块，与所述信号接收模块、激光源、以及变频模块相连，输出第一调制后光信号和第二调制后光信号；微分模块，与所述电光调制模块相连，用于将第一调制后光信号和第二调制后光信号进行微分处理，输出第一耦合微分信号和第二耦合微分信号；偏振分束模块，分别对第一耦合微分信号和第二耦合微分信号进行偏振解复用输出待粗测量信号与待精测量信号；以及测量模块，将待粗测量信号输入第一平衡探测器，得到粗测量结果；将待精测量信号输入第二平衡探测器，并依粗测量结果调节微波源信号，得到精测量结果。 【EN】The present disclosure provides a frequency measurement device based on a frequency conversion technique, including: a laser source; a signal receiving module; a microwave source; the frequency conversion module is used for carrying out frequency conversion to generate and output a frequency-converted electric signal; the electro-optical modulation module is connected with the signal receiving module, the laser source and the frequency conversion module and outputs a first modulated optical signal and a second modulated optical signal; the differential module is connected with the electro-optical modulation module and used for carrying out differential processing on the first modulated optical signal and the second modulated optical signal and outputting a first coupling differential signal and a second coupling differential signal; the polarization beam splitting module is used for respectively carrying out polarization demultiplexing on the first coupling differential signal and the second coupling differential signal and outputting a signal to be roughly measured and a signal to be accurately measured; the measuring module is used for inputting the signal to be roughly measured into the first balanced detector to obtain a roughly measured result; and inputting the signal to be measured accurately into a second balanced detector, and adjusting the microwave source signal according to the coarse measurement result to obtain an accurate measurement result.

摘要：【中文】本发明公开了一种用于钢琴弹奏的专用拾音器，包括：拾音器部分包括：拾音器本体顶面上设置有第一振动膜和振动传感器，拾音器本体顶面两相对边缘上向外延伸设置有第二振动膜，第一振动膜和第二振动膜相接，第二振动膜和振动传感器相接；位于振动膜下方的拾音器本体两相对侧壁上设置有安装固定装置；第二振动膜的自由端固定于安装固定装置上；发音部分包括：播放器、声音传感器和噪声传感器。本发明通过在拾音器本体上设置依次相接触的第一振动膜、第二振动膜和振动传感器，直接获取振动信号，使获取钢琴演奏声音的效果较佳；通过播放器、声音传感器和噪声传感器，对播放出的钢琴演奏音量进行实时调节，从而保证以较佳地音量播放钢琴演奏音。 【EN】The invention discloses a special pickup for playing a piano, which comprises: the sound pickup portion includes: the top surface of the sound pick-up body is provided with a first vibrating membrane and a vibrating sensor, two opposite edges of the top surface of the sound pick-up body extend outwards to be provided with a second vibrating membrane, the first vibrating membrane is connected with the second vibrating membrane, and the second vibrating membrane is connected with the vibrating sensor; the two opposite side walls of the sound pick-up body positioned below the vibrating membrane are provided with mounting and fixing devices; the free end of the second vibrating membrane is fixed on the mounting and fixing device; the pronunciation section includes: players, sound sensors, and noise sensors. According to the invention, the first vibrating membrane, the second vibrating membrane and the vibrating sensor which are sequentially contacted are arranged on the sound pick-up body, so that a vibrating signal is directly obtained, and the effect of obtaining the playing sound of the piano is better; through player, sound sensor and noise sensor, carry out real-time regulation to the piano performance volume of playing to guarantee to play piano performance sound with preferred volume.

摘要：【中文】本申请公开了一种违规操作的监控方法、计算机设备及存储介质，监控方法包括违规操作监控系统获取应用程序/操作系统的隐私操作的操作指令，隐私操作是应用程序/操作系统获取到隐私数据后使用隐私数据的相关联操作；解析隐私操作的操作指令获取隐私操作要使用的隐私数据，并获取对应隐私数据的使用规则，使用规则至少限定了应用程序/操作系统使用隐私数据的方式和范围；使用规则至少限定了应用程序/操作系统使用隐私数据的使用规范；按照使用规则对隐私操作进行处理，以使隐私操作不超出预设规范。通过上述方式，本申请能够实现对隐私操作的主动、实时动态监测。 【EN】The application discloses a monitoring method of illegal operation, computer equipment and a storage medium, wherein the monitoring method comprises the steps that an illegal operation monitoring system obtains an operation instruction of privacy operation of an application program/operating system, and the privacy operation is associated operation of using the privacy data after the application program/operating system obtains the privacy data; analyzing an operation instruction of the privacy operation to obtain privacy data to be used by the privacy operation, and obtaining a use rule corresponding to the privacy data, wherein the use rule at least limits the mode and range of the application program/operation system for using the privacy data; the usage rules define at least a usage specification for the application/operating system to use the private data; and processing the privacy operation according to the use rule so that the privacy operation does not exceed the preset specification. By means of the method, active and real-time dynamic monitoring of privacy operation can be achieved.

摘要：【中文】本公开提供一种基于双平行马赫曾德尔调制器的多频信号测量设备，包括：激光器，用于提供光信号；待测信号接收端，接收待测信号并放大；参考微波信号源，用于提供参考微波信号；直流源，用于提供直流偏置电压，包括相互独立的第一直流源、第二直流源、以及第三直流源；双平行马赫曾德尔调制器，分别与激光器、待测信号接收端、直流源、以及参考微波信号源相连，用于实现对光信号进行调制生成调制光信号；双平行马赫曾德尔调制器包括主调制器、第一子调制器、以及第二子调制器；光功率放大器，与所述双平行马赫曾德尔调制器相连，用于对调制光信号功率进行放大；以及光电探测器，与所述光功率放大器相连，用于实现光电转换，输出可测功率电信号。 【EN】The present disclosure provides a multi-frequency signal measurement device based on a dual parallel mach-zehnder modulator, including: a laser for providing an optical signal; the signal receiving end to be detected receives and amplifies the signal to be detected; the reference microwave signal source is used for providing a reference microwave signal; the direct current source is used for providing direct current bias voltage and comprises a first direct current source, a second direct current source and a third direct current source which are mutually independent; the double-parallel Mach-Zehnder modulator is respectively connected with the laser, the receiving end of the signal to be measured, the direct current source and the reference microwave signal source and is used for modulating the optical signal to generate a modulated optical signal; the dual parallel Mach-Zehnder modulator comprises a main modulator, a first sub-modulator and a second sub-modulator; the optical power amplifier is connected with the double parallel Mach-Zehnder modulator and is used for amplifying the power of the modulated optical signal; and the photoelectric detector is connected with the optical power amplifier and used for realizing photoelectric conversion and outputting an electric signal with measurable power.

摘要：【中文】本发明公开了一种光频梳信号产生装置及产生方法，即利用电吸收调制激光器的调制区对其光源区进行非线性调制，输出光脉冲信号，其重复频率等于微波信号源的频率，然后利用非线性半导体光放大器的级联四波混频效应增强并扩展微波信号源频率整数倍的高阶边带，最后输出光频梳。所述光频梳信号产生装置结构简单、可集成，产生的光频梳信号频谱宽，梳齿数目多。 【EN】The invention discloses an optical frequency comb signal generating device and a generating method, namely, a modulation region of an electric absorption modulation laser is used for carrying out nonlinear modulation on a light source region of the laser, an optical pulse signal is output, the repetition frequency of the optical pulse signal is equal to the frequency of a microwave signal source, then a cascade four-wave mixing effect of a nonlinear semiconductor optical amplifier is used for enhancing and expanding a high-order sideband of the integral multiple of the frequency of the microwave signal source, and finally an optical frequency comb is output. The optical frequency comb signal generating device is simple in structure and can be integrated, the generated optical frequency comb signal is wide in spectrum, and the number of comb teeth is large.

摘要：一种绘制凹形竖曲线竖向视距包络线的几何作图方法：整理设计完成的纵断面成果；得到眼高线和物高线；选取起点桩号；按照《城市道路工程设计规范》要求，从第一交点按设定的视距长度偏移起始桩号的垂线，与物高线相交，得到第二交点；直线段连接第一交点和第二交点，所述直线段即为起点桩号的行车视距线；按精度要求依次求得每组桩号对应的视距线；绘制视距包络线；按设计桩号插入对应比例的控制物直观的反映出控制物是否遮挡行车视距线。本发明可操作性强，具有较强的适用性。通过对不同交通组织方式下，每个位置进行精确的纵断面控制，使工程设计更具灵活性、便利性和经济性，利于将绘制视距包络图作为工程设计方法的推广运用。

摘要：【中文】本发明属于林业种植技术领域，尤其为茶园式曼地亚红豆杉药用原料林营建方法，包括以下步骤，园址选择：建园园址选择交通便利、水源充足、地势较为平坦、土壤疏松透气、肥沃潮润、排水性能好的地方，苗木选择：苗木选择植株健壮、无病虫害，侧枝发达、叶色深绿、苗高80cm至100cm的曼地亚红豆杉扦插苗，苗木种植方法，整地，坡度15°以下平缓坡地直接开垦，翻垦深度30cm，坡度15°以上坡地，按等高水平线筑梯地开垦，梯面宽在1.2m以上；采用适合机采和人工采收均可的茶园栽培模式，建设期短，操作简单，成本较低的，较好的解决了红豆杉大面积繁殖栽培的技术问题，能够提高南方红豆杉的良种繁育水平。 【EN】The invention belongs to the technical field of forestry planting, and particularly relates to a tea garden type taxus media medicinal raw material forest construction method, which comprises the following steps of garden site selection: the garden site is built and a place which is convenient to traffic, sufficient in water source, relatively flat in terrain, loose and breathable in soil, fertile and moist and good in drainage performance is selected, and the nursery stock is selected: selecting Taxus media cutting seedlings with strong plants, no plant diseases and insect pests, developed lateral branches, dark green leaf color and seedling height of 80-100 cm for the seedlings, preparing the seedlings, directly cultivating the seedlings in gentle slopes with a slope of below 15 degrees, turning the cultivation depth of 30cm and slopes with slopes of above 15 degrees, and constructing terraced fields according to equal-height horizontal lines for cultivation, wherein the width of each terraced field is above 1.2 m; the tea garden cultivation mode suitable for both mechanical harvesting and manual harvesting is adopted, the construction period is short, the operation is simple, the cost is low, the technical problem of large-area propagation and cultivation of the taxus chinensis is well solved, and the improved seed breeding level of the taxus chinensis in south can be improved.