摘要：【中文】本发明公开了一种基于最大稳定极值区域的SAR图像舰船目标检测方法，该方法首先通过引力场增强法对SAR图像进行滤波，在抑制海杂波的同时增强舰船目标；然后，使用基于最大稳定极值检测方法通过目标区域模式特征得到候选目标位置；最后为了消除复杂海况下分布模型的失配风险，采用区域分块的加速核密度估计方法，根据统计特性得到目标的统计意义下的精检测结果。引力场增强技术预处理图像确保了最大稳定极值区域检测的稳定性，同时基于区域分块的加速核密度估计的检测器保证了检测结果的恒虚警率特性，与传统高分辨舰船目标检测方法相比，具有简单、高效和准确的特性。 【EN】The invention discloses a ship target detection method based on an SAR image of a maximum stable extremum region, which comprises the steps of filtering the SAR image by a gravitational field enhancement method, and enhancing a ship target while inhibiting sea clutter; then, obtaining a candidate target position through the target area mode characteristics by using a maximum stable extremum detection method; and finally, in order to eliminate the mismatch risk of the distribution model under the complex sea condition, obtaining a precise detection result of the target under the statistical significance according to the statistical characteristics by adopting an accelerated kernel density estimation method of regional blocks. The image is preprocessed by the gravitational field enhancement technology, so that the stability of detection of the maximum stable extremum region is ensured, meanwhile, the detector based on the region blocking accelerated kernel density estimation ensures the constant false alarm rate characteristic of the detection result, and compared with the traditional high-resolution ship target detection method, the method has the characteristics of simplicity, high efficiency and accuracy.

摘要：【中文】本发明公开了一种基于自适应分层高分辨SAR图像的舰船目标检测方法，其实现过程是：该方法首先构建一种图像域与频域相结合的视觉注意力机制，不仅可以较好得保持显著图的细节，而且较之其它注意力机制有明显速度优势。其次，采用均值二分法得到候选目标区域分割阈值，消除了硬阈值选取带来的不稳定性。最后，使用频域加速的区块核密度估计方法进行舰船目标精检测。区域分块的思想避免了超像素分割带来的计算负担，核密度估计消除了杂波模型失配风险，此外其频域加速方法更是提升了检测方法的执行效率。另外，相比于现有的高分辨SAR图像舰船目标检测方法，本发明方法在检测目标的同时还能保持恒虚警特性。 【EN】The invention discloses a ship target detection method based on a self-adaptive layered high-resolution SAR image, which comprises the following implementation processes: the method firstly constructs a visual attention mechanism combining an image domain and a frequency domain, not only can well keep the details of a saliency map, but also has obvious speed advantage compared with other attention mechanisms. Secondly, a mean dichotomy is adopted to obtain a candidate target region segmentation threshold, so that instability caused by hard threshold selection is eliminated. And finally, carrying out fine detection on the ship target by using a frequency domain accelerated block kernel density estimation method. The idea of region blocking avoids the computational burden brought by super-pixel segmentation, the kernel density estimation eliminates the mismatch risk of a clutter model, and in addition, the frequency domain acceleration method improves the execution efficiency of the detection method. In addition, compared with the existing high-resolution SAR image ship target detection method, the method provided by the invention can be used for detecting the target and simultaneously keeping the constant false alarm characteristic.

摘要：【中文】本发明涉及牲畜防疫领域，具体涉及一种母牛专用子宫卵巢多部位精确给药与人工授精装置，包括：外导管、导丝套、导丝、动力输送结构、药剂供给结构、药剂管、螺旋挤压结构、自吸式吹气头。本发明的母牛专用子宫卵巢多部位精确给药与人工授精装置，根据母牛输卵管在子宫两侧向后下侧左右对称圆弧弯曲的结构特性，采用具有记忆弯曲特性的导丝伸入至母牛输卵管顶端尖端位置。外导管内部设计有吹气腔结构，吹气腔结构通过在前端端口快速喷出气体将药剂和精液吹送至子宫内部更远的区域范围，增加了治疗范围与受孕概率。操作简单，方便实用。 【EN】The invention relates to the field of livestock epidemic prevention, in particular to a special device for precise administration and artificial insemination of multiple parts of uterus ovaries of cows, which comprises: the device comprises an outer catheter, a guide wire sleeve, a guide wire, a power conveying structure, a medicament supply structure, a medicament pipe, a spiral extrusion structure and a self-suction blowing head. The invention relates to a multi-part accurate administration and artificial insemination device for a special uterus ovary of a cow, which adopts a guide wire with a memory bending characteristic to stretch into the tip position of the top end of the oviduct of the cow according to the structural characteristic that the oviduct of the cow is bent in a bilateral symmetry arc at the rear lower side at the two sides of the uterus. The inner part of the outer catheter is provided with an air blowing cavity structure, and the air blowing cavity structure blows the medicament and semen to a farther area range in the uterus through quickly spraying air from the front end port, so that the treatment range and the conception probability are increased. The operation is simple, convenient and practical.

摘要：【中文】本发明公开了一种双通道生物气溶胶实时监测仪，含激光发射段、散射光荧光收集段、空气采样管路段、信号处理段。其中激光发射段含激光器、光阱，用以整形激光的非球面镜。散射光与荧光收集段含用以光束整形的平凸透镜、收集后向光的球面反射镜、过滤散射光的滤光片、光电二极管。空气采样段含气管、气泵等。信号处理段含用以信号放大器、滤波器、进行模数转换的AD转换器、上位机。在上位机内将散射光信号通过MIE算法输出颗粒物直径，并将荧光信号脉冲进行计数，输出生物气溶胶的颗粒数目。对荧光信号脉冲发生时间与散射光脉冲发生时间进行比对，在同一时间段出现脉冲可视为同一生物气溶胶颗粒，即可同时得到不同直径生物气溶胶的计数浓度。 【EN】The invention discloses a two-channel bioaerosol real-time monitor which comprises a laser emission section, a scattered light fluorescence collection section, an air sampling pipeline section and a signal processing section. The laser emitting section comprises a laser, an optical trap and an aspherical mirror for shaping laser. The scattered light and fluorescence collection section comprises a plano-convex lens for beam shaping, a spherical reflector for collecting backward light, an optical filter for filtering scattered light and a photodiode. The air sampling section comprises an air pipe, an air pump and the like. The signal processing section comprises a signal amplifier, a filter, an AD converter for performing analog-to-digital conversion and an upper computer. And outputting the particle diameter of the scattered light signals through an MIE algorithm in an upper computer, counting the fluorescence signal pulses, and outputting the particle number of the bioaerosol. And comparing the generation time of the fluorescence signal pulse with the generation time of the scattered light pulse, wherein the pulse appearing in the same time period can be regarded as the same bioaerosol particle, and the counting concentration of bioaerosols with different diameters can be obtained simultaneously.

摘要：【中文】本发明公开了一种针对淤泥质土的水力冲挖制浆配比方法，该方法使用高压水枪对该种淤泥质土进行水力冲挖，快速增加其含水量，使得在该含水量情况下的泥浆在输送时达到临界流速状态，实现水力冲挖工作效率最优化。本发明充分利用了淤泥质土自身初始状态对临界流速的最优化控制，达到大幅度减少运输机器的损耗和泥浆输送时间的效果。工艺简单，成本低廉，适用于工程实际。 【EN】The invention discloses a hydraulic flushing pulping proportioning method for mucky soil, which uses a high-pressure water gun to carry out hydraulic flushing on the mucky soil, quickly increases the water content of the mucky soil, ensures that slurry under the condition of the water content reaches a critical flow speed state during conveying, and realizes the optimization of the hydraulic flushing working efficiency. The invention fully utilizes the initial state of the mucky soil to optimally control the critical flow rate, and achieves the effects of greatly reducing the loss of a transport machine and the slurry conveying time. Simple process, low cost and suitability for practical engineering.