Design and Implementation of Digital Receiver for Locking Fields in NMR Spectrometer 核磁共振波谱仪锁场数字接收机的设计与实现
A new architecture of digital control system ( DCS) was designed, which could be used in both quadrupole mass filter and quadrupole ion trap mass spectrometer. 设计了一个能在四极杆和四极离子阱质谱仪中通用的数字控制系统结构。
Design and Performance of Digital Rectilinear Ion Trap Mass Spectrometer 数字化矩形离子阱质谱仪的设计及性能
Up-to-the-art developments of spectroscopic techniques are reviewed, including digital spectrometer, CdZnTe detector, new spectrum analysis methods and new spectrometer system design techniques. 从数字化谱仪、碲锌镉探测器应用、能谱分析新方法和谱仪系统设计新技术等方面综述了近年来国内外谱仪技术的研究及进展。
The research of digital transmitter in MRI spectrometer. 磁共振成像谱仪发射通道的数字化研究。
Successful Observation of Molecular Radio Spectral Lines by Digital Autocorrelation Spectrometer 全数字化自相关射电频谱仪观测分子谱线成功
The development of the latest digital integrated circuit laid a profound basis on the research of the digital spectrometer. 随着最新大规模集成电路技术和计算机技术的发展,为谱仪的全数字化研究奠定了基础。
A trapezoidal shaping algorithm was studied for digital multi-channel pulse height analysis in a digital nuclear spectrometer. 为了研制数字化核谱仪,研究了一种用于数字多道脉冲幅度分析的梯形成形算法。
Application of Digital Filter in Data Acquisition System for Gas Phase Ultraviolet Photoelectron Spectrometer 数字滤波技术在气相紫外光电子能谱仪数据采集中的应用
Design of Digital Filter for Nuclear Magnatic Resonace Spectrometer 核磁共振波谱仪数字滤波器的设计
The paper is involved in the research of the digital spectrometer and focused on the software development for the digital spectrometer and application. 本论文的工作是针对数字化谱仪的研究而展开的,主要的研究内容是为数字化谱仪开发一套谱仪软件,并在此基础上进行相关的应用研究和实验。
After analyzing the principle and difficulties of analog QPD receiver, the article introduces the principle of digital QFD, oversampling and IF sampling, and the implement of digital receiver on MSL 400 spectrometer. 本文在分析模拟正交检波原理与不足的基础上,介绍了数字正交检波、过采样和采用中频直接采样的原理,及在400MHz核磁谱仪上的实现方案。
This paper reports on the determination of the time resolution of the recently developed data acquisition and processing system of the solar meter-wave digital acousto-optical spectrometer and on the discussion of the attainable maximum time resolution during the work of the spectrometer in different patterns. 本文报告了对新近研制的太阳米波数字声光频谱仪数据采集系统时间分辨率的测定,并讨论了该仪器以不同方式工作时可能达到的最高时间分辨率。
Determination of the Time Resolution of the Digital Acousto-Optical Spectrometer 数字声光频谱仪时间分辨率的测定
The hardware structure of the digital spectrometer. 数字化谱仪硬件基本结构。
Study on digital lock-in amplifier in NIR spectrometer 近红外光谱仪中的数字锁相技术研究
The Digital Spectrometer Technology in Nuclear Magnetic Resonance Image System 核磁共振成像系统数字谱仪技术
A PCI Based Complete Digital Frequency Source for Nuclear Magnetic Resonance Spectrometer 基于PCI总线的全功能数字化频率源
Troubleshooting of the Unstable Digital Display for the Model 722 Grating Spectrometer 722型光栅分光光度计数字显示不稳定的原因及调修
The Development and Application of the Digital Spectrometer Software 数字化谱仪软件系统的研制和应用
The improvement of digital system of DNP spectrometer and establishment of a new system of transmission and receiver are introduced in this article. 介绍了动态核极化(DNP)谱仪数字系统的改造和一套的射频发射和接收系统的建立。
A new kind of modified Butterworth filter was designed to meet the requirement of digital nuclear spectrometer. 根据数字化核谱仪中前端条件线路的要求,设计了改进型Butterworth滤波器线路。
A optimum method of front-end conditioner in digital nuclear spectrometer 数字核谱仪中条件线路的一种最佳实现方法
Ion Motion in the Rectangular Wave Quadrupole Field and Digital Operation Mode of a Quadrupole Ion Trap Mass Spectrometer 离子在矩形波四极场中的运动与四极场离子阱质谱的数字化操作
The virtual panel and display window of the digital voice signal spectrometer is built up by using the flexible data processing function and powerful programmability of PC. 利用PC机强大灵活的数据处理及编程能力,构造了语音频谱分析仪的虚拟面板和显示视窗。
Firstly, the structure of standard commercial spectrometers was introduced. Then, a complete digital integrated NMR spectrometer was designed. 首先,在总结常规核磁共振谱仪结构的基础上,提出了全数字、一体化的谱仪控制台的设计思想。然后,详细介绍了该谱仪控制台的设计思路和硬件结构。
To overcome these shortcomings, in recent years, foreign country developed digital multi-channel spectrometer based on FPGA and DSP, but it is always large power consumption, this paper proposes low power consumption digital gamma spectrometer architecture based on CPLD. 为了克服上述缺点,近年来国外开发出基于FPGA和DSP架构的数字化多道能谱仪,但其功耗相对较大,本文提出了基于CPLD架构的一种低功耗数字化伽玛能谱仪。
Then we dwelt on the significance of the research work. 2. The digital investigation of integrated NMR spectrometer based on USB interface. 在此基础上,针对本论文的主要工作论述了数字化研究的意义。2.基于USB总线的一体化核磁共振谱仪控制台的数字化研究。