脉冲幅度

  • 网络pulse amplitude;PAM
脉冲幅度脉冲幅度
  1. 基于Windows的多道脉冲幅度分析器的软件开发

    MS Windows based software development for multi-channel pulse amplitude analyzer

  2. FPGA技术在多道脉冲幅度分析仪中的应用研究

    Study of Multi-Channel Pulse Amplitude Analyzer Based on FPGA Technology

  3. 轻便型X荧光仪多道脉冲幅度分析器的研制

    Research of a Portable X Ray Fluorescence Multi Channel Analyzer

  4. 基于DSP系统的多道脉冲幅度分析器设计

    Design of a Multi-Channel Analyzer Based on DSP System

  5. 低能X射线在正比管内产生脉冲幅度的分布

    The Study on Pulse Height Distribution of Low Energy X Ray in a Proportional Counter

  6. 基于USB的虚拟多道脉冲幅度分析系统的设计

    Design of visual multi-channel pulse amplitude analyze system based on USB

  7. 最后给出用脉冲幅度Q进行粒子鉴别的效率和误判率。

    Finally the particle identification and mis-identification rate are given when the pulse amplitude is used to identify the particles .

  8. 一种用CPLD和单片机实现的多道脉冲幅度分析器

    A MCA with CPLD and MCU

  9. 研制了符合PC/104标准的信号处理模块,包括1024道的多道脉冲幅度分析器和采用数字电位器的稳谱电路。

    Researched and produced the signal processing module with PC / 104 standard , including 1024 channels analyzer and fixing spectrum circuit using digitally controlled potentiometer .

  10. 将Internet技术与计算机多道脉冲幅度分析系统结合起来,提出一种新的基于浏览器的多道脉冲幅度分析系统。

    Combined the technology of Internet with computer based multi channel analyzer , a new kind of computer based multi channel analyzer system which is based on browser is presented in this paper .

  11. 实验系统通过PAM(脉冲幅度调制)调制的方法来实现对多路光位置信号的同步检测。

    This technology relies on PAM ( pulse amplitude modulate ) to detect multiple light beams synchronously .

  12. 利用统计均匀分布脉冲幅度谱产生器测试MCA的最大可测脉冲率

    Using a rupas generator to test of the maximum effective pulse rate of MCA

  13. 这表明可以利用TOF测量的脉冲幅度Q值实现对粒子的鉴别。

    A conclusion is that it is feasible to use the pulse amplitude Q_0 of TOF to identify the particles .

  14. NaI多道脉冲幅度分析系统在燃料元件破损监测中的应用研究

    Fuel element rupture detection based on NaI detector and multi-channel pulse amplitude analyzer

  15. 本文采用MATLAB编程为低本底反康普顿高纯锗γ谱仪这样精确的多道脉冲幅度分析器提供了数据处理能力,很好的补充了它的缺陷。

    This paper offer data processing ability for low background ant-compton HPGe γ instrument that is accurate multi-channel amplitude analyzer by adopting MATLAB program , and well complement it 's disfigurement .

  16. 正比管对大于2kevX射线的探测,输出的脉冲幅度分布近似高斯分布。而对低能超软X射线、紫外线,它给出的脉冲幅度分布明显偏离高斯分布。

    The pulse height distribution from proportional counter for more than 2 keV of monoenergetic radiation is approximately Gaussian but the distribution for the soft X rays and UV radiation are far from Gaussian .

  17. 详细论述了多电平PAM(脉冲幅度调制)系统的最佳均衡理论。

    The optimum equalization theory for overcoming the intersymbol interferences ( ISI ) in multi-level pulse amplitude modulation ( PAM ) systems is establishead .

  18. 数据采集部分主要由基于微处理器Z8018010PSC的多道(256道)脉冲幅度分析器与多道缓冲存储器MCB组成。

    Data-collecting part mainly includes 256-channel pulse-height analyzer and multi-channel buffer .

  19. 介绍一种基于复杂可编程逻辑器件(CPLD)的通用高性能脉冲幅度分析(PHA)模块设计。

    Based on a complicated programmable logical device ( CPLD ), a miniaturized universal pulse height analysis ( PHA ) module of high performance is realized .

  20. 用4道脉冲幅度甄别器[φ4×4英寸NaI(Tl)为探测器]测量环境天然辐射水平

    Measurement of environmental natural radiation level using 4 channel pulse height discriminator with φ 4 ″× 4 ″ nai ( tl ) detector

  21. 介绍了PC104嵌入式微机总线的结构和功能,并研制了总线式多道脉冲幅度分析器(MCA)。

    This paper expatiates on the bus structure and develop the bus mode Multi-Channel Analyzer ( MCA ) .

  22. 脉冲幅度调制波(PAM)是脉冲调制的一种形式,在通信和控制系统中得到广泛应用。

    Pulse amplitude modulation ( PAM ) is one form of the ways , in which it is widely used in the system of communication and control .

  23. 比较了BPSK和OOK两种脉冲幅度调制方式下的系统性能;

    System performances using the two different pulse amplitude modulation schemes ( BPSK and OOK ) is compared .

  24. 本文推导了基带PAM(脉冲幅度调制)信号的互相关函数,指出基带PAM信号的互相关函数中含有位同步信息,以此为依据得到了一种位同步检测算法。

    This paper derives the cross correlation function of baseband PAM ( Pulse Amplitude Modulation ) signal , and shows that the cross correlation function includes timing information .

  25. 本文提出了多电平脉冲幅度调制系统(PAM)的一种等效二进制码间干扰模型和两种多效系统模型。

    This paper discusses an equivalent binary intersymbol interferences ( ISI ) model and two equivalent system models of multilevel pulse - amplitude - modulation ( PAM ) systems .

  26. 8Kb/s多值脉冲幅度代数码本ACELP语音编码

    An 8 Kb / s ACELP Speech Codec with Multi-Level Pulse Amplitude Algebraic Codebook

  27. 文章对USB技术应用于多道脉冲幅度分析器的可行性进行了分析,并重点介绍了它的设计方法,包括硬件设计、设备固件设计、设备驱动程序设计以及应用程序设计。

    The feasibility of application USB to MCA is analyzed , and design method of MCA based on USB is discussed , including hardware design , device firmware design , device driver design and application program design .

  28. 介绍了能量刻度的四种方法:道数-能量关系直线外推法,脉冲幅度-道数关系直线外推法,双射线源法,特征X射线法;

    Four methods are introduced in this paper . Include linear extrapolation of channel-energy correlation , linear extrapolation of channel-pulse amplitude correlation , double radiation source method and the characteristic X-ray line spectrum method , and also introduced the check up method .

  29. 本文从硬件和软件两方面详细地介绍了以FPGA芯片为控制核心的基于EPP接口的新型多道脉冲幅度分析仪的研制过程。

    The thesis introduces the hardware and software design skills of a new type Multi-Channel Pulse Amplitude Analyzer ( MCA ) based on FPGA chip and Enhanced Parallel Port ( EPP ) interface .

  30. 考察了闪烁体内沉积能量、沉积能谱与电子入射能量的关系,可为脉冲幅度加权积分法测量H′(0.07)提供参考。

    The reason of the energy response are discussed in the paper , the deposited energy spectra of incidence electrons with different energy are also investigated , which indicates that Pulse Height Weighting Integration method may be useful for measuring H ′ ( 0.07 ) .