频谱分析仪
- 名Spectrum analyzer;analytical spectrometer
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基于PC的频谱分析仪内高速实时数据采集系统的设计与实现
Design and Implementation of High-speed Real-time Data Acquisition System in PC-Based Spectrum Analysis
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高分辨率PC虚拟低频频谱分析仪的设计
PC-based High Resolution Spectrum Analyzer for Low Frequency Signal
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基于FPGA的便携式数字频谱分析仪设计
The Design of Portable Spectrum Analyzer Based on FPGA
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频谱分析仪ZeroSpan的应用
Application of Zero Span in Spectrum Analyzer
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泰克实时频谱分析仪和RFID配套测试软件
Tektronix real-time spectrum analyzer and RFID wrap test software
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基于LabWindows/CVI和VISA库频谱分析仪程控测量方法
Remote Operation Way of Spectrum Based on LabWindows / CVI and VISA
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对EMI接收机与频谱分析仪的不同点进行了比较。
Then we compared the differences between EMI receivers and frequency analyzers .
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基于VI的多通道FFT频谱分析仪的设计
Design of VI-Based Multi-Channel FFT Spectrum Analyzer
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利用DSP开发频谱分析仪并用于实验教学目前还少见,本系统在实验教学中填补了一项空白。
It is infrequent to use spectrum analyzer based on DSP in lab teaching , so we filled up an item of blank .
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然而各种频谱分析仪实现方法不尽相同,如带通滤波器频谱分析仪、中频滤波器频谱仪和FFT频谱仪。
But bandpass filter , IF filter and FFT spectrum analyzers ′ realization methods are different in some parts .
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文中介绍了USB技术运用于虚拟频谱分析仪的总体设计,重点讨论了USB接口的设计方法。
The whole system design using USB technology to virtual frequence analyzer is introduced , the USB interface design method is discussed particularly .
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最后介绍了所设计DDC在手持频谱分析仪中的主要应用。
Finally , demonstrate chief application of DDC applied in handheld spectrum analyzer .
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以Visualc++为编程语言,开发了一套IE测量系统,主要由数据采集记录仪、实时分析仪和频谱分析仪三部分组成。
Based on Visual c + + language , a system of virtual instruments is designed , including Data acquisition and register instrument , Real-time analysis instrument and Spectrum instrument .
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为静磁波-集成光频谱分析仪(MSW-IOSA)等器件的研制奠定了基础。
The foundation of MSW-IOSA ( integrated optic spectrum analyzer ) research was constructed .
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以某频谱分析仪为例,本文分析了其原有上层软件架构,并在其基础上做出改进,设计了一种基于Lua的组件式仪器软件开发模型。
Using spectrum analyzer as an example , this dissertation proposed a Lua based component-oriented VI software architecture .
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泰克公司还致力于RFID测试需求的研究,将实时频谱分析仪应用于RFID测试,为RFID测试人员提供了非常方便的测试手段。
Also , Tektronix committed to the demand for RFID testing , and put real-time spectrum analyzer into the application of RFID testing , that provides a convenient means of RFID testing .
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在一个以DSP为主控芯片的频谱分析仪系统中,需要用到键盘、显示器作为系统的输入输出设备,这就要与DSP的I/O口打交道。
In a system of spectrum analyzer controlled by DSP master , the keyboard and display are needed to be the input and output equipment , which will be connected with ( I / O ) interface of DSP .
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阐述了胎儿脐带血流超声Doppler频谱分析仪的设计,重点分析了Doppler频移信号采样和血流频谱参数的算法。
This paper explains the design of an Ultrasonics Doppler Spectrum Analysis System for fetal umbilical blood flow monitoring . The gist of discussion includes the sampling method of the Doppler signals and the algorithm of the blood flow parameters .
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使用CVI软件设计了一种基于虚拟仪器的频谱分析仪,并将其运用于喷气织机振动传感器输出信号测试与分析中,建立了整个测试系统。
A VI-based spectrum analysis instrument using CVI software is designed and it is used to test and analyze sensor output signal of jet loom vibration . The whole testing system is established .
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它可用作为波形、频谱分析仪的本机振荡器,也可用作为数字调制的移频键控(FSK)、移相键控(PSK)信号发生器。
It can be used as the local oscillator in wave / spectrum analyser . It also can be used as a new digitally modulated FSK / PSK signal generator .
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分析了CISPR16-1-1对EMI测量接收机指标要求,从结构和测试使用上来区分频谱分析仪与测量接收机,使读者加深对测量仪器参数的理解,正确选择EMI测量仪器。
Analyzing the requirements of EMI measurement equipment specified in CISPR 16-1-1 and differences between spectrum analyzer and EMI receiver in the architecture and using , prompt the readers ' effective comprehension of specifications to properly select the products .
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针对频谱分析仪价格昂贵而无法普及的问题,采用TI的TMS320VC5402芯片设计一个以普通双踪示波器作为输出设备的简易频谱分析仪。
Considering that the spectrum analyzer is costly , and its popularization is limited , this article presents a simple spectrum analyzer which is designed by DSP chip and based on common double tracking oscilloscope .
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CCDF测量是实时频谱分析仪的关键技术之一,对于测量多载波信号非常有用。
CCDF , which can measure multi-carrier signals very effectively , is one of the important technologies of real-time spectrum analyzer .
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作者所研制的数字频谱分析仪是新的一代个人仪器,它采用基2时间抽取的快速傅里叶变换(FFT)算法来获取信号的频谱,实现了信号的非实时频谱分析。
A digital spectrum analyzer was designed by the authors . It is a personal instrument of new generation . It obtains the spectrum for a signal by adopting fast Fourier transform ( FFT ) algorithm which is radix & 2 in time sampling .
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利用Labwindows/CVI的GPIB虚拟仪器远程控制系统,由FSP频谱分析仪、信号发生器、功率放大器等仪器组成,并通过GPIB总线与主控计算机相连。
The GPIB instrument remote control system based on Lab windows / CVI consists of FSP frequency analysis instrument , signal generator , power amplifier , etc , and connects with the main control computer through GPIB BUS .
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所开发的模块有,采用DDS技术实现的任意波形发生器作为测试系统中的信号源,以及常见的信号测量设备,如虚拟频谱分析仪,虚拟数字存储示波器,虚拟频率计数器等虚拟仪器。
The developed module are the arbitrary waveform generator based on DOS ( Direct Digital Synthesizer ) technology as a signal source of testing system and the common testing device such as virtual spectrum analyzer - , virtual digital storage oscilloscopes virtual frequency counter etc.
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本文介绍无线接口测试仪器及其测试方法,包括TEMS、频谱分析仪、Umstar测试系统、CTR分析软件。
The paper introduced the wireless interface testing apparatuses and the test methods , including TEMS 、 Spectrum Analysis Instrument 、 Umstar test system 、 CTR analysis software .
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使用实时频谱分析仪(RTSA),可以实时捕获瞬态脉冲,为雷达信号的识别和分选提供了有利的工具。
With the RTSA , the transient burst can be captured real-time , which provides the advantageous tool to identify and select the radar signal .
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以往测试EMI的主要设备是EMI接收机,现在采用频谱分析仪作为EMI的测试设备,可以提高EMI测量的效率和精度,对各种EMI特性参数的测量变得更加容易。
The previous main equipment for testing EMI is EMI Receiver , while at present time , the spectrum analyzer is adopted as EMI testing equipment which contributes to enhance efficiency and precision of EMI testing and makes easier to test various parameters of EMI property .
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重点介绍了厂家不再提供维修服务但仍具重要使用价值的HP8563A频谱分析仪的维修方法。
The repairing method of HP8563A spectrum analyzer which has important useful value but hasn 't maintenance support from the manufacturer is introduced as emphasis .