查询词典 sequential likelihood ratio test

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数显语言核相仪，智能化介质损耗测试，仪兆欧表，变频串联谐振试验装置，接地电阻测试仪，变压器有载开关测试仪，高压核相仪，真空滤油机，钳形接地电阻仪，杂散电流测定仪，互感器特性综合测试仪，电缆故障测试仪，直流电阻测试仪，微机继电保护测试仪，全自动变比测试仪，继电保护测试仪，真空度测试仪，回路电阻测试仪，高压无线核相仪，有源变压器容量测试仪，绝缘油介电强度测定仪，高压开关机械特性测试仪，智能开关特性测试仪，轻型升流器，无线核相仪，氧化锌避雷器测试仪，高压试验变压器，直流高压发生器，雷击计数器校验器，感性负载直流电阻测试仪，绝缘油介电强度全自动测试仪，继电保护试验箱，多功能测试台，中频直流发生器

A binary composite hypothesis test model with unknown and stochastic parameters was constructed.The sequential probability ratio test with the uniformly most powerful effect was provided for white Gaussian process.This novel method was used to detect the distant series of pipe mass flow difference of leakages produced in stationary and non-stationary operation situations, respectively.

建立了以泄漏信号的幅值为随机参量的二元复合假设检验模型，提出了具有一致最大功效的序列似然比检验方法，并进行了平稳观测序列强泄漏信号和非平稳观测序列弱泄漏信号的检测。

The primary studying works and characteristics:1 To summarize reinforcing theory of cement mixing pile composite foundation2 To analyze the primary mechanics characters and changing rules of cement mixing pile, based on analysis of test data both indoor and outdoor.3 To discuss siding frictional resistance, ending resistance, ultimate bearing capacity of simple mixing pile and effectiveness factor of grouped piles, loading ratio of soil between piles under cushion cap of grouped piles and stress ratio of pile and soil and so on, and use many computation method and experimentation method to ensure bearing capacity of mixing piles composite foundation.4 To point out and analyze eight sides flaws and problems of the bearing capacity calculation method of mixing pile compositefoundation which ensured by national and normative method/ formula.5 To apply test results of loading tests and a few settlement observation data, use gray theory to predicate ultimate bearing capacity of deep mixing piles, actual example demonstrate engaging between theoretical predicted value and actual value.6 To apply groovy layerwise summation method to discuss entity piles method, double foundation method, equivalent layerwise summation method and consolidation theoretical method and so on, especially by combination of engineering example, use FEM to calculate or discuss the settlement and changing rules of composite foundation.7 To discuss problems of critical length of composite foundation by combination of engineering example and numerical analysis method, and analyze the contrast of critical length between simple pile load and most area load of composite foundation, not only critical length of composite foundation is relative to modulus ratio between piles and soil, but also upside load distribution area of composite foundation.

主要的研究工作与特色为：(1)总结了水泥搅拌桩复合地基的加固原理；(2)在对室内外试验资料进行统计分析的基础上，系统分析了搅拌桩水泥土的主要力学特性及其变化规律；(3)探讨了搅拌单桩的侧摩阻力、端阻力、极限承载力及群桩效率系数、群桩承台下桩间土荷载分担比及桩土应力比等，提出用多种计算方法并结合试验方法来综合确定搅拌桩复合地基的承载力；(4)明确指出和分析了按国家有关规范的方法确定搅拌桩复合地基承载力所存在的八个方面的缺陷与问题；(5)利用过去没有加载至破坏阶段的载荷试验成果和较少的沉降观测数据，尝试了用灰色理论预测深层搅拌桩的极限承载力，实例表明理论预测值与实测值吻合较好；(6)在常规分层总和法的基础上，探讨了复合地基沉降计算的实体墩基法、双层地基法、等效作用分层总和法、固结理论法等，特别是结合工程实例，用有限元数值计算等方法计算和讨论了搅拌桩复合地基的沉降及其变化规律；(7)结合工程实例，用数值分析方法探讨了复合地基临界桩长的问题，指出和分析了单桩荷载下的临界桩长与复合地基大面积荷载下的临界桩长存在很大的差别，复合地基的临界桩长不仅与桩土模量比有关，而且与复合地基上部荷载分布面积有关。

At first, setting up the arith relation between the signal input and the signal output of the generalized multi-carrier system of the Discrete Fourier Test spread-spectrum; then setting equilibria parameters of the frequency field equilibria subcarrier of the generalized multi-carrier system of the DFT spread-spectrum according to channel frequency response, channel noise variance and equilibria method; then calculating average power of useful signal, interferential average power between signals as well as noise variance of the generalized multi-carrier system receiving terminal of the DFT spread-spectrum according to the arith relation as well as the frequency field equilibria parameter, and recomputing available signal information noise ratio, so as to calculate the available signal information noise ratio of the generalized multi-carrier transmission system accurately, the method for estimating the available signal information noise ratio can be used for link self-adapting transmission solution of the generalized multi-carrier system based on Discrete Fourier Test spread-spectrum and radio material management.

一种DFT扩频的广义多载波系统的SINR估计方法，其通过首先建立所述离散傅立叶变换扩频的广义多载波传输系统的信号输入输出之间的数学关系，然后根据信道频率响应、信道噪声方差和均衡方法，设定所述DFT扩频的广义多载波传输系统的频域均衡子载波的均衡系数，再根据所述数学关系及所述频域均衡系数分别计算所述DFT扩频的广义多载波传输系统接收端有用信号的平均功率、信号间干扰的平均功率以及噪声方差，再计算有效信干噪比，如此以实现对广义多载波传输系统的有效信干噪比的准确计算，该有效信干噪比估计方法可用于基于离散傅立叶变换扩频的广义多载波传输系统的链路自适应传输方案和无线资源管理方面。

Generalized Likelihood ratio Test and Optimal Parity-vector Test methods to detect and diagnose soft faults from sensor redundant measurement system in SINS are researched very carefully from a point of view of their effectiveness to detect and isolate soft faults.

对SINS中冗余配置的传感器量测系统的软故障，研究了目前常用的广义似然比检验和最优奇偶向量检验方法，主要讨论两种方法的有效性问题。

After that, we used these mixed distributions to re-estimate the split population duration model; also used the AIC Value, Likelihood Ratio Test, and t-test to compare the quality of different models, and it showed that the mixed split population duration model is better than the single distribution model.

我们以混合机率分配重新估计区分母体持续时间模型，并且以AIC值、概似比检定、t-检定比较各种不同的区分母体持续时间模型的优劣，结果显示混合机率的区分母体持续时间模型优於单一分配的模型。

Second, environmental test equipment: ventilation-type aging test machine, programmable temperature and humidity chamber, temperature chamber, Thermal Shock Test Chamber, ozone aging box, UV light weathering tester, salt spray testing machine, get wet in the rain chamber, xenon lamp weather-resistant test machine, sand and dust test chamber, the standard light source box test equipment such as environmental protection.

二、环境试验设备：换气式老化试验机、可程式恒温恒湿试验箱、高温试验箱、冷热冲击试验箱、臭氧老化箱、紫外灯耐候试验机、盐水喷雾试验机、淋雨试验箱、氙灯耐气候试验机、砂尘试验箱、标准光源箱等各种环保试验设备。

Facing chances and challenges, JPCDC will continue to take eliminating health related risk factors as a key work of public health services and develop food infectant and environmental hygienic surveillance, medical industrial clean room surveillance, pesticide and rodenticide test, drinking water quality test, health care food test, cosmetic test, disinfection product test and water related product test and so on.

面对机遇和挑战，中心坚持把消除健康危害因素作为公共卫生服务重点，积极开展食品污染物监测、环境卫生监测、医药工业洁净室监测、杀虫与灭鼠监测、生活饮用水检测检验、保健食品检测检验、化妆品检测检验、消毒产品检测检验、涉水产品检测检验等服务项目。

Main business: CNC engraving machine Series: Applications: stainless steel, copper engraving Case insets processing; stainless steel, copper Case Shouban; spherical, Globoidal processing, text, sculpture ★ Case 5-axis double-headed insets engraving machine ★ Case 5-axis three insets engraving machine ★ Case 4-axis linkage double-headed insets engraving machine ★ Case 4-axis linkage three insets engraving machine ★ high triaxial strong double-headed die machine ★ high strength triaxial 3 Die machine ★ Case Drilling Machine, surface drilling machine ★ Case-meter pit, watches and clocks, glass-processing machine production testing of aircraft series:● test the waters Series: 10 automatic machine manually test the waters, six automatic Manual examination of water, really test the water leak-loaded needle ● Series: Semi-automatic assembly line of watches and clocks, watches and clocks, with three-pin CNC machines, semi-automatic machine ● single needle assembly Series: Semi-automatic cutting the core of machines, Case glass adhesive glue Machines, pneumatic pressure Digai ● strap-test: strap Rally torque testing machine, clasp switch testing machine, strap swing testing machine ● first test table: Table heading to the functional testing of aircraft, form the first vibration test machines, Table first parabolic dynamic testing machine has been with the German company Rexroth, Japan Yasukawa, Panasonic, Mitsubishi, and other well-known international companies have a long-term stability of technical cooperation, continue to study and absorb the advanced technology at home and abroad.

主营业务： CNC雕刻加工机系列：应用：不锈钢、铜表壳镶石雕刻加工；不锈钢、铜表壳手板；球面、弧面加工、文字雕刻★表壳五轴联动双头镶石雕刻机★表壳五轴联动三头镶石雕刻机★表壳四轴联动双头镶石雕刻机★表壳四轴联动三头镶石雕刻机★高强力三轴双头模具加工机★高强力三轴三头模具加工机★表壳钻孔机、表面钻孔机★表壳米坑位、玻璃位加工机钟表生产测试机系列：●试水系列：十头自动手动试水机、六头自动手动试水机、真水试漏机●装针系列：半自动钟表装配生产线、数控钟表装三针机、半自动单针机●装配系列：半自动切把芯上的机、表壳玻璃胶水粘接机、气动压底盖机●表带测试：表带拉力扭力测试机、表扣开关测试机、表带摇摆测试机●表头测试：表头按的功能测试机、表头震动测试机、表头抛动测试机一直以来，公司与德国Rexroth、日本安川、松下、三菱等国际知名企业有着长期稳定的技术合作，不断地学习和吸收国内外的先进技术。

The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.

结合航天某集团液压测试中心测试系统的需求，提出了基于VXI总线的液压测试系统的整体设计方案，完成了测试系统的硬件设计与软件设计，包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容；以伺服阀动态特性测试为例设计了测试模块，该模块体现了VXI总线仪器软件开发所倡导的"虚拟仪器"的思想，以软件的灵活应用满足了不同的测试需求；结合自动测试系统的发展，研究了VXI测试系统与网络技术结合，实现各种软硬件资源共享，进一步提高设备及数据的利用率和系统的扩展性，使自动测试向综合化、网络化方向发展；研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题，讨论了伪随机信号的产生机理，从频域和时域分析了伪随机信号的性质及其应用，提出了用逆重复伪随机信号弥补了普通伪随机信号的不足，并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化，可以更合理而不是凭经验产生需要的逆重复伪随机信号。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切