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.

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.

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。

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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.

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。

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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.

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。

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Using spectrum analyzer as an example, this dissertation proposed a Lua based component-oriented VI software architecture.

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。

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The foundation of MSW-IOSA ( integrated optic spectrum analyzer) research was constructed.

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。

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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.

以Visual c++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。

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Finally, demonstrate chief application of DDC applied in handheld spectrum analyzer.

最后介绍了所设计DDC在手持频谱分析仪中的主要应用。

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The whole system design using USB technology to virtual frequence analyzer is introduced, the USB interface design method is discussed particularly.

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。

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But bandpass filter, IF filter and FFT spectrum analyzers ′ realization methods are different in some parts.

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。

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It is infrequent to use spectrum analyzer based on DSP in lab teaching, so we filled up an item of blank.

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。

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Design of VI-Based Multi-Channel FFT Spectrum Analyzer

基于VI的多通道FFT频谱分析仪的设计

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Then we compared the differences between EMI receivers and frequency analyzers.

对EMI接收机与频谱分析仪的不同点进行了比较。

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Remote Operation Way of Spectrum Based on LabWindows/ CVI and VISA

基于LabWindows/CVI和VISA库频谱分析仪程控测量方法

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Tektronix real-time spectrum analyzer and RFID wrap test software

泰克实时频谱分析仪和RFID配套测试软件

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Application of Zero Span in Spectrum Analyzer

频谱分析仪Zero Span的应用

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The Design of Portable Spectrum Analyzer Based on FPGA

基于FPGA的便携式数字频谱分析仪设计

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PC-based High Resolution Spectrum Analyzer for Low Frequency Signal

高分辨率PC虚拟低频频谱分析仪的设计

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Design and Implementation of High-speed Real-time Data Acquisition System in PC-Based Spectrum Analysis

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

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Finally, the LC resonant strain sensor samples with minimum line width of100 μ m were prepared by the technologies of photoetching and etching. The performances of the sensors were tested by strain cantilever system and vector network analyzer.

最后，采用光刻、刻蚀工艺完成最小线宽为100μm的LC谐振应变传感器样品的制备，设计了应变测试悬臂梁系统，采用矢量网络分析仪对传感器样品的性能进行了测试。

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At least three known standards are normally required for the full two-port test fixture calibration in vector network analyzers ( VNA).

一般矢量网络分析仪（VNA）的双端口测试夹具校准，至少需要三个已知标准才能实现。

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