频谱分析仪

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

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

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

频谱分析仪ZeroSpan的应用

Application of Zero Span in Spectrum Analyzer

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

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

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 .

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

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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 .

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.

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 .

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 .

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 .

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 .