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多接收     
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  multi-collector
     Isotopic ratios of Nd, U and Pb were measured using VG Axiom multi-collector double-focusing inductively coupled plasma mass spectrometry(MC-ICPMS).
     采用 VG Axiom型多接收双聚焦等离子质谱仪 ( MC-ICPMS)测定 Nd、Pb、U同位素比值 ,应用指数公式对测定的结果进行质量歧视校正。
短句来源
     With the improvement of analytical techniques and the development of multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS), secondary ion mass spectrometry (SIMS) and laser ablation MC-ICP-MS (LA-MC-ICP-MS), multi-isotopic systems, including both radiogenic and stable isotopes, have been progressively used to trace a variety of geological processes in the Earth.
     随着同位素测试技术的进步和多接收电感耦合等离子体质谱仪(MC-ICP-MS)、二次离子质谱仪(SIMS)以及激光剥蚀技术配合MC-ICP-MS(LA-MC-ICP-MS)等测试手段的开发应用,多种同位素体系(包括放射性同位素和稳定同位素体系)的示踪作用在地学研究中得到了日益广泛的应用。
短句来源
     In order to effectively and reliably monitor uranium in the environment,a uranium isotopic analysis method by multi-collector inductively-coupled plasma mass spectrometry(MC-ICP-MS) was established.
     为了对环境监测提供有效、可靠的手段,在多接收电感耦合等离子体质谱(MC-ICP-MS)上建立了铀同位素丰度的分析方法。
短句来源
     DESIGNING OF A MULTI-COLLECTOR SOFTWARE FOR FAST AND HIGH-PRECISION DETERMINATION OF Sr ISOTOPES AND CONCENTRATIONS
     快速、高精密度Sr同位素比值与定量一次性测定的多接收程序设计
短句来源
     Determination of Isotopic Ratio by Multi-collector Double-focusing Inductively Coupled Plasma Mass Spectrometry
     多接收双聚焦等离子体质谱法测定高精度同位素比
短句来源
更多       
  multiple receiving
     The working principles of two transmit antennas and multiple receiving antennas(2Tx- m Rx) system, in which the Alamouti coding scheme(ACS) is employed, is analyzed in the paper and the common analysis method of transmission symbols detected in receiver is introduced.
     分析了采用Alamouti编码方案(ACS)的两发射天线和多接收天线系统(2Tx mRx)的工作原理,介绍了传输符号分离的一般分析方法。
短句来源
     By means of the acoustic source model of multiple receiving points from excessively long source distance and the numerical simulation computation of the acoustic full-wave in the borehole, the feasibility and method of using reflected wave to detect the transverse interface of the cylindrical multi-layered media were (investigated).
     采用超长源距多接收点声源模型,通过井孔声全波数值模拟计算,考察了利用反射波作为探测柱状多层介质径向界面的可行性和方法.
短句来源
     Vertical Bell-laboratories Space-Time(V-BLAST) is a multiple transmit and multiple receiving antennas(MIMO) wireless systems. V-BLAST attains very high spectral efficiency while maintains low implementation complexity.
     垂直分层空时码(V-BLAST)是贝尔实验室提出的一种多发射多接收天线(MIMO)结构无线通信系统,该系统具备较高频谱利用率和易于实现的特点.
短句来源
  multi-receiving
     In order to detect falling point of testing bomb on the weapon testing ground, based on the principle of phase difference among receiving signals of multi-receiving antennas, a method of locating near distance radio source position is presented, a rhombic measuring model of 5 receiving antennas is founded, the relation between distance and phase difference is deduced, through measuring the phase difference between rhombic center and one culmination, radio source distance is gained.
     为了确定兵器试验场上弹落点的位置,提出了基于多接收天线的接收信号相位差原理,确定近距离无线电发射源位置的方法,建立了一种5个接收天线的菱形测距模型,推导了距离与相位差的关系,通过测量菱形中心与任一顶点间的相位差,从而得出发射源的距离;
短句来源
  multi-receiver
     A TWOOAs Construction for Multi-Receiver Multi-Message Authentication Codes
     基于TWOOAs的多接收方多消息认证码的构造
短句来源
     BOUNDS AND CONSTRUCTION FOR MULTIPLE AUTHENTICATION CODES WITH MULTI-RECEIVER
     多接收多重认证码的有关边界和构造
短句来源
     The notion of a Multi-receiver A-code (MRA-codes) was introduced by Desmedt, Frankel and Yung as another generalization of that of a conventional A-code. They also had gaven two constructions for MRA-codes based on polynomials over finite fields and finite geometries.
     认证码的另一种推广形式是Desmedt、Frankel和Yung提出的多接收方认证码,他们还给出了两个多接收方认证码的构造方案:一个是基于有限域的DFY多项式方案,另一个方案基于有限几何.
短句来源
     The notion of a TWOOAs was introduced by Kurosawa and Obana and used to construct a unconditional secure Multi-receiver single-message A-code. Savavi-Naini and Wang gave a formal definition of an MRA–codes and used it to derive information-theoretic bounds on the probability of success in impersonation and substitution attacks.
     接下来Savavi-Naini和Wang给出了多接收方认证码的形式化定义,并且基于此定义推导出模仿攻击和代替攻击成功率的信息论下界,同时在假定达到这个下界的前提下,得到了发送者、接收者的密钥空间以及消息尺寸的下界,然后他们分析了以前的一些多接收方认证码的构造方案的缺点,并提出了改进这些缺点的新构造方案.
短句来源

 

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  multi-collector
Isotope Ratio Measurements of Iron in Blood Samples by Multi-collector ICP-MS to Support Nutritional Investigations in Humans
      
With the perspective of embarking on a human study using a double iron (Fe) stable isotope tracer protocol to assess iron bioavailability, investigations were conducted on Fe isotope ratios in blood samples using a VG Axiom Multi-collector ICP-MS.
      
Uranium-lead zircon (laser ablation multi-collector ICP-MS spot analysis) ages from La Caridad porphyry copper deposit in the Nacozari District, Northeastern Sonora, Mexico, suggest a short period of magmatism, between 55.5 and 52.6?Ma.
      
The isotopic abundances of Sb (121Sb and 123Sb) were determined by multi-collector ICP-MS and INAA.
      
Overcoming spectral overlap in isotopic analysis via single- and multi-collector ICP-mass spectrometry
      
更多          
  multiple receiving
Performance of 60 GHz Virtual Cellular Networks Using Multiple Receiving Antennas
      
Just as with GPS, the signal is picked up by multiple receiving antennas.
      
Let k be a number of network connections chosen for concurrent transfers between a single node and multiple receiving nodes.
      
MMDS is a way of distributing cable television signals, through microwave, from a single transmission point to multiple receiving points.
      
To circumvent this, we have implemented multiple receiving channels that wait for a given amount of data before interrupting the CPU.
      
更多          
  multi-receiver
The angle error estimate method in the wide swath SAR basing on multi-receiver
      
The wide-swath method based on multi-receiver is a novel and highly accurate wide-swath method, which requires a very precise view angle.
      
Bounds and Combinatorial Structure of (k,n) Multi-Receiver A-Codes
      
We further show a combinatorialstructure of optimum (k,n) multi-receiver A-codes.A notion of TWOOAs is introduced.
      
We then prove thatan optimum (k,n) multi-receiver A-codeis equivalent to a TWOOA.
      
更多          
  其他


The Programs Of multi-collectors for measurements of Nd, Sr concentrations and isotopic ratios were designed according to two schemes of single-double and double-single calibrations. High precision data can be obtained during one measurement, ~(146)Nd was used for Nd determinations, which isotopic ratios were normalized with parameters of~(145)Nd/~(144)Nd=0.348430 and ~(146)Nd/~(144)Nd=2.07188.

Nd-Sr定量与同位素比值多接收程序按单双与双单校正两种方案设计,可在一次质谱测定中获得高精密度数据。Nd的测定用~(146)Nd作稀释剂,校正参数用~(145)Nd/~(144)Nd=O.348430,~(146)Nd/~(144)Nd=2.07188。测定时中心接收器跳扫质量144,145与150.5,接收器为4到5个。用本程序测La JoLLa标准15次平均得~(143)Nd/~(144)Nd=O.511844±0.000005(2σ);BCR-I岩石标样~(143)Nd/~(144)Nd=0.512634±0.000006(2σ),Nd浓度为29.22PPm。Sr的测定中心接收器跳扫质量86、87、88、91.5,用3到4个接收器。数据处理过程类同于Nd程序。

In this artical,the process of Sampling inspection of product quality the cleatt with random walk of two-climensional particles. Vnder that tundation of mathematical model the Calculation of rec- urrence tormula of Sampling characteristics had teen ottacied.It is not only uniled that the theoretical arithmetic of sampling plans for single,doutle,multiple and scquential etc,also can expanded to multilevel acceptance domains of hgperspace.

本文将产品质量的抽样检验过程处理为一个二维机质点的游动,在建立的数学模型基础上,得到计算抽查特性的递推公式。该递推法不仅将一次、二次及多次和序贯等抽样方案的理论计算问题统一起来,还能向多接收域和多维方向发展。

Presented here is a modefied simulated annealing algorithm that uses multiple-operation structure, i.e.. multiple artificial system temperatures, multiple annealing schedules and multiple acceptance probabilitycalculation. This improved simulated annealing algorithm addresses the combinatorial optimisation problemefficiently, in particular for the global search with multiple different imdependent variables. The new algorithm hasben demonstrated by an example about communication channel estimation in underwater...

Presented here is a modefied simulated annealing algorithm that uses multiple-operation structure, i.e.. multiple artificial system temperatures, multiple annealing schedules and multiple acceptance probabilitycalculation. This improved simulated annealing algorithm addresses the combinatorial optimisation problemefficiently, in particular for the global search with multiple different imdependent variables. The new algorithm hasben demonstrated by an example about communication channel estimation in underwater environment.

本文给出一种修正的多参数模拟韧化算法,该算法是一般模拟韧化(SimulatedAnnealing)算法的扩展。该算法的主要特点是,引入多韧化(Annealing)规则和多接收概率的概念,将一般的模拟韧化算法推广到解决多类参数的混合优化问题。

 
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