What Will Happen, If Zero SpinParticle Possesses Spin Rotational Construction, With Non-Zero Eigenvalues Of Spin Angular Momentum?

There is no any spin rotational construction for zero spin particle, Casimir operator and the thired component of zero spin particle areandrespectively. Further, there are no spin interactions between zero spin particle and other spin particles. This paper shows: in Spin Topological Space, STS [1], the third component of zero spin particle possesses non-zero eigenvalues besides original zero value, this leads to a miraculous spin interaction phenomenon between zero spin particle and other spin particles. In STS, zero spin particle could "dissolve other spin particles", degrade the values of their Casimir operator, and decay these spin particles into other forms of spin particle.

Non-zero Solution for the Quasi-linear Elliptic Equation

在这份报纸，作者为反响的方程给了一条存在定理，没有 h (x) 上的任何 Landesman 懒散条件的 -pu=1|u|p-2u+f(u)+h(x), 。

Robust Iterative Learning Controller for the Non-zero Initial Error Problem on Robot Manipulator

Industrial robot system is a kind of dynamic system w ith strong nonlinear coupling and high position precision. A lot of control ways , such as nonlinear feedbackdecomposition motion and adaptive control and so o n, have been used to control this kind of system, but there are some deficiencie s in those methods: some need accurate and some need complicated operation and e tc. In recent years, in need of controlling the industrial robots, aiming at com pletely tracking the ideal input for the controlled subject with repetitive character, a new research area, ILC (iterative learning control), has been devel oped in the control technology and theory. The iterative learning control method can make the controlled subject operate as desired in a definite time span, merely making use of the prior control experie nce of the system and searching for the desired control signal according to the practical and desired output signal. The process of searching is equal to that o f learning, during which we only need to measure the output signal to amend the control signal, not like the adaptive control strategy, which on line assesses t he complex parameters of the system. Besides, since the iterative learning contr ol relies little on the prior message of the subject, it has been well used in a lot of areas, especially the dynamic systems with strong non-linear coupling a nd high repetitive position precision and the control system with batch producti on. Since robot manipulator has the above-mentioned character, ILC can be very well used in robot manipulator. In the ILC, since the operation always begins with a certain initial state, init ial condition has been required in almost all convergence verification. Therefor e, in designing the controller, the initial state has to be restricted with some condition to guarantee the convergence of the algorithm. The settle of initial condition problem has long been pursued in the ILC. There are commonly two kinds of initial condition problems: one is zero initial error problem, another is non-zero initial error problem. In practice, the repe titive operation will invariably produce excursion of the iterative initial stat e from the desired initial state. As a result, the research on the second in itial problem has more practical meaning. In this paper, for the non-zero initial error problem, one novel robust ILC alg orithms, respectively combining PD type iterative learning control algorithm wit h the robust feedback control algorithm, has been presented. This novel robust ILC algorithm contain two parts: feedforward ILC algorithm and robust feedback algorithm, which can be used to restrain disturbance from param eter variation, mechanical nonlinearities and unmodeled dynamics and to achieve good performance as well. The feedforward ILC algorithm can be used to improve the tracking error and perf ormance of the system through iteratively learning from the previous operation, thus performing the tracking task very fast. The robust feedback algorithm could mainly be applied to make the real output of the system not deviate too much fr om the desired tracking trajectory, and guarantee the system’s robustness w hen there are exterior noises and variations of the system parameter. In this paper, in order to analyze the convergence of the algorithm, Lyapunov st ability theory has been used through properly selecting the Lyapunov function. T he result of the verification shows the feasibility of the novel robust iterativ e learning control in theory. Finally, aiming at the two-freedom rate robot, simulation has been made with th e MATLAB software. Furthermore, two groups of parameters are selected to validat e the robustness of the algorithm.

格上无非交互式零知识证明的两轮三方PAKE协议

针对现有基于格的三方口令认证密钥交换(PAKE)协议通信轮次较多、执行效率较低等问题,提出一种格上无非交互式零知识证明的两轮三方PAKE协议。首先,利用非适应性近似平滑投影哈希函数实现密钥交换,在不使用非交互式零知识(NIZK)证明的前提下,降低协议的通信轮数;其次,利用哈希值和投影哈希值构造会话密钥,不需要使用随机预言机,避免了随机预言机导致的潜在口令猜测攻击。在标准模型下给出所提协议的形式化安全证明。仿真结果表明,与基于格的三方PAKE协议相比,所提协议的执行时间在客户端缩短了89.2%~98.6%,在服务器端缩短了19.0%~91.6%。验证了所提协议能够抵抗量子攻击,具有较高的执行效率,同时减少了协议通信轮数。

取秧侧向零偏移的空间轨迹再生稻分插机构设计与试验

为了解决现有空间行星轮系式分插机构在再生稻宽窄行机械化种植取秧过程中出现侧向偏移量和侧向偏转角的技术难题,本文提出一种具有局部平面轨迹特性的空间轨迹不等速行星轮系机构,并开展基于取秧口和机构回转中心位置约束下的宽窄行分插机构综合研究。构建了基于关键位姿点(取秧起始点、取秧结束点、推秧点)的空间轮系机构运动综合模型,利用关键位姿点求解机构杆长参数与空间交错轴信息,并通过优选二杆相对角位移参数实现机构传动比分配。将不完全非圆齿轮副引入空间行星轮系机构,利用间歇机构锁止弧约束行星轴,实现机构取秧过程侧向零偏移量、侧向零偏转角的平面轨迹段。通过仿真分析与机构样机试验验证了机构实际作业性能与理论设计相一致,结果表明:分插机构取秧侧向零偏移量,取秧侧向零偏转角,推秧侧向总偏移量为50.24 mm、取秧角为5.18°、推秧角为71.56°、推秧侧向角为16.26°、插秧穴口宽度为22.43 mm、轨迹高度为289.76 mm,满足预期设计要求。最后通过田间试验验证,分插机构可实现等行距取秧口和既定机构回转中心下宽行(40 cm)与窄行(20 cm)间隔机插,满足再生稻宽窄行种植要求。

Non-Zero Degree Maps Between 2n-Manifolds

Thom–Pontrjagin constructions are used to give a computable necessary and sufficient condition for a homomorphism ? : H n (L;Z) → H n (M;Z) to be realized by a map f : M → L of degree k for closed (n ? 1)-connected 2n-manifolds M and L, n > 1. A corollary is that each (n ? 1)-connected 2n-manifold admits selfmaps of degree larger than 1, n > 1. In the most interesting case of dimension 4, with the additional surgery arguments we give a necessary and sufficient condition for the existence of a degree k map from a closed orientable 4-manifold M to a closed simply connected 4-manifold L in terms of their intersection forms; in particular, there is a map f : M → L of degree 1 if and only if the intersection form of L is isomorphic to a direct summand of that of M.

Laguerre Isoparametric Hypersurfaces in R^n with Two Distinct Non-zero Principal Curvatures

An umbilical free oriented hypersurfacex：M→Rnwith non-zero principal curvatures is called a Laguerre isoparametric hypersurface if its Laguerre form C=i Ciωi=iρ1（Ei（logρ）（r ri）Ei（r））ωi vanishes and Laguerre shape operator S=ρ1（S 1 rid）has constant eigenvalues.Hereρ=i（r ri）2,r=r1＋r2＋···＋rn 1n 1is the mean curvature radius andSis the shape operator ofx.{Ei}is a local basis for Laguerre metric g=ρ2III with dual basis{ωi}and III is the third fundamental form ofx.In this paper,we classify all Laguerre isoparametric hypersurfaces in Rn（n〉3）with two distinct non-zero principal curvatures up to Laguerre transformations.

非零偏时延VSP资料处理关键技术

非零偏时延VSP资料含有丰富的井旁波场信息,利用VSP反射信息和地震属性,能有效监测井旁注入流体运移情况,具有广阔的应用前景。受观测方式影响,时延非零偏VSP资料叠加次数有限,对两期VSP资料处理要求更加严格。因此,本文在常规非零偏VSP处理技术流程中引入两期资料的可重复性分析和一致性处理方法技术,建立了时延非零偏VSP资料处理技术流程,并针对时延资料的炮内一致性处理和两期资料间一致性处理进行了方法分析研究和试验。从A井实例应用表明,本文提出的非零偏时延VSP资料处理流程和关键技术具有较高可操作性和实用性,具有推广价值。

Stepwise superposition approximation approach for analytical solutions with non-zero initial concentration using existing solutions of zero initial concentration in contaminate transport

Analytical solutions for contaminant transport are widely used for both theoretical and practical purposes.However,many existing solutions are obtained subject to an initial condition of zero concentration,which is often unrealistic in many practical cases.This article proposed a stepwise superposition approximation approach to solve the non-zero initial concentration problem for first-type and third-type boundary conditions by using the existing zero initial concentration solution.Theoretical examples showed that the approach was highly efficient if a proper superposition scheme with relative concentration increments was constructed.The key parameter that controlled the convergence speed was the time increment（△t） multiplied by the rate constant（λ）.The approach served also as an alternative way to make a convenient concentration calculation even if the non-zero initial concentration solution of a problem was known.

非交互式零知识证明在招标采购活动中的应用

为了解决招标采购活动中信息公开与数据隐私保护之间的矛盾,探讨了非交互式零知识证明技术在招标采购领域内发挥的独特作用;通过分析现行招标采购法规中的相关要求与信息公开面临的困境,结合零知识证明的技术特点及优势,提出了包括专家抽取、保函申办、隐私评审、匿名评价等在内的多个具体应用场景。结果表明,非交互式零知识证明技术能够有效平衡招标采购中的信息透明和数据保密需求,为招标采购管理部门提供了一种既能保障交易主体知情权又能防止信息滥用的解决方案。

Maximum Principle for Non-Zero Sum Stochastic Differential Game with Discrete and Distributed Delays

This technical note is concerned with the maximum principle for a non-zero sum stochastic differential game with discrete and distributed delays.Not only the state variable,but also control variables of players involve discrete and distributed delays.By virtue of the duality method and the generalized anticipated backward stochastic differential equations,the author establishes a necessary maximum principle and a sufficient verification theorem.To explain theoretical results,the author applies them to a dynamic advertising game problem.

近零能耗建筑技术应用与经济分析

面对全球能源日益短缺、空气污染日益严重的情况,发展近零能耗建筑作为建筑节能的新方向尤为必要。文章以上海某办公楼为例,具体分析了非透光围护结构保温技术、透光围护结构(外窗)保温技术、被动式节能技术、主动式节能技术、可再生能源技术及装配式技术的实际应用。研究发现,近零能耗建筑的建造成本较传统建筑有一定的增加,但其运营成本有所减少,因此从长远角度看,近零能耗建筑在实际应用中具有可行性和实际的推广价值。

zk-SNARK中数论变换的硬件加速方法研究

简洁非交互式零知识证明能够生成长度固定的证明并快速进行验证,极大地推动了零知识证明在数字签名、区块链及分布式存储等领域的应用。但其证明的生成过程极其耗时且需要被频繁调用,其中数论变换是证明生成过程的主要运算之一。然而现有的通用数论变换硬件加速方法难以满足其在简洁非交互式零知识证明中大规模、高位宽的要求。针对该问题,提出一种数论变换多级流水硬件计算架构。针对高位宽计算需求对高位模运算进行优化,设计了低时延蒙哥马利模乘单元;为了加速大规模计算,通过二维子任务划分将大规模数论变换任务划分为小规模独立子任务,并通过消除数据依赖实现了子任务间计算流水;在子任务多轮蝶形运算之间采用数据重排机制,有效缓解了访存需求并实现了不同步长蝶形运算间的计算流水。所提出的数论变换计算架构可以根据现场可编程门阵列(FPGA)片上资源灵活扩展,方便部署在不同规模的FPGA上以获得最大加速效果。所提出的硬件架构使用高层次综合(HLS)开发并基于OpenCL框架在AMD Xilinx Alveo U50实现了整套异构加速系统。实验结果表明,相比于PipeZK中的数论变换加速模块,该方法获得了1.95倍的加速比;在运行当前主流的简洁非交互式零知识证明开源项目bellman时,相比于AMD Ryzen 95900X单核及12核分别获得了27.98倍和1.74倍的加速比,并分别获得了6.9倍、6倍的能效提升。

对迈克尔逊干涉仪测波长实验的几点思考

该文对迈克尔逊干涉仪的非定域干涉测波长原理进行了细致分析。通过肉眼直接观看,以是否有光强明暗变化为标准,进行快速调节。不仅对仪器零点调节进行了叙述,还对迈克尔逊干涉仪实验中丰富的思政元素进行了分析。

钢铁烟尘等含锌固废资源化利用新技术及产业实践

钢铁和有色金属在生产过程中会产生烟尘和冶炼渣等固体废物,对环境造成严重影响。为配合“无废城市”建设,本文介绍了基于“火法富集—湿法脱杂—多段耦合集成”工艺所形成的钢铁烟尘及有色金属冶炼渣资源化清洁利用新技术的落地情况,该技术实现了多种含锌固体废物的协同利用,可有效脱除40余种杂质,实现锌、铟等多种金属的高效分步回收,通过对次生废水的利用,在国际上首次实现从钢铁烟尘中回收硫酸铯和碘。

适用于新能源多特征参量的宽动态高准确度电能计量方案研究

随着传统能源逐渐由新能源替代、国网智能电网的发展,新能源发电并网成为可能。在新型电力系统中,高比例新能源接入下不确定性强、波动性大,电流波形严重畸变,会冲击传统电能计量设备,导致原有电能计量设备在使用时存在较大测量误差。为了适应新型电力系统计量需求,本文基于零磁通电流传感技术、无极平滑放大技术、高精度角差补偿方法等,实现电能表在宽动态多特征参量下的精确计量。实验结果表明,新的电能计量方案可适用于新能源接入下的宽动态、低功率因数与双向潮流等工况,有效提高了电力系统的整体效率。文章的研究成果对各种电能计量技术、算法的优化设计与适用于新能源的电能计量领域应用具有重要指导意义。

力箭一号分离系统设计与验证

针对力箭一号(PR-1)一二级分离时刻结构壳段不憋压失效,二级姿态可控,火箭滑行阶段零过载条件下,整流罩无过载分离以及三四级分离不因火工品而产生多余物的需求,进行分离系统设计。区别于传统设计,一二级分离采用被动排焰热分离,三四级分离采用非火工分离冲量装置,整流罩基于能量法设计零过载下旋转分离。通过大型地面和飞行试验,验证了PR-1采用的3种新型分离设计的可靠性。

基于非零超额收益假设的基金优选研究

在Kosowski等提出的Bootstrap方法的基础上,以非零的超额收益为假设前提,评价中国市场上基金的业绩表现并进行基金优选.基于2009年3月—2020年6月偏股混合型基金的数据,本文发现中国基金市场整体表现为负的超额收益率.在此基础上,以非零的超额收益为前提,发现Kosowski等提出的Bootstrap方法能够优化基金筛选.最后,在样本外区间、不同市场状态、与晨星基金评级比较以及考虑动态市场超额收益情况下,均发现在非零假设前提下能够挑选出更多显著具有能力的基金经理管理的基金,并且这些基金组合的表现更佳.该结果表明:对于掌握Bootstrap技术的机构投资者,可利用本文提供的方法实现基金优选并以此构建FOF组合为投资者带来更高的收益;对于不具备Bootstrap技术能力的散户投资者,通过聚焦普通回归方法下的超额收益的t值,并选取排序前5%的基金可以较为稳妥地实现基金优选并获得超额收益.

基于非零和博弈的自适应人机协作系统设计

为了提高人机协作的协调性,本文设计了基于非零和博弈的自适应人机协作系统,系统由互相解耦的内外环构成。在外环中,通过引入非零和博弈的方法设计人机协作策略,构建关于人力和机器人控制输入的能量函数,通过求解博弈中的纳什均衡达到最优控制。针对能量函数中的不确定参数,采用神经网络估计器进行更新,以估计人和机器人的力。并且通过设计神经网络函数的中心值,获得机器人控制力与跟踪误差的关系,保证控制方法的跟踪性。在更新过程中自适应调整刚度系数,实现人机柔顺协调。另外,在内环中设计了神经网络控制器,采用径向基神经网络,基于实时采集的机器人系统输入输出数据逼近控制器中未知非线性的机器人动力学模型,提高了系统跟踪精度。仿真结果验证了本文方法的有效性。