signal analyzer

A method is presented, which can conduct automatic data acquisition, vibration analysis and formation of data base by means of the computer connected with vibration instrumentation, tape recorder and signal analyzer in the aero-engine test cell.

介绍了利用航空发动机台架试车的振动测试仪器、磁带记录仪、信号分析仪与计算机联机，对其振动数据进行自动采集、分析处理建库。

Finally, an example of noise removal is given to show the application of the signal analyzer.

最后以HHT去噪为例，介绍了基于HHT的非平稳信号分析仪的应用。

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.

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。

Secondly, experiments were made to analyze the effect of the wheel damper, we used the system composed of a self-made pendulum, three acceleration sensors, a four-channel charge amplifier, a sound level meter, a signal collection analyzer and the DASP software.

其次，对车轮阻尼器的降噪效果进行实验分析。实验采用激振单摆、加速度传感器、电荷放大器、声级计、智能信号采集处理分析仪以及DASP软件组成的测试系统。

Signal Analyzer Design of CW Ranging Radar and Study for Relation Theory and Algorithm

连续波测距雷达信号分析器设计及相关理论与算法研究

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.

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 paper primarily introduces the measurement principle and function of the vector signal analyzer.

本文主要介绍了矢量信号分析仪的测量原理及测量功能.

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

This paper discusses design of hardware circuit of the vector signal analyzer including the design scheme.

从硬件和软件两个方面论述了矢量信号分析仪的设计.

A power line harmonic analyzer based on industrial PC is introduced. The system structure, the basic circuit design of signal pre processing card, the basic HW and SW composition of data acquisition card, and the system software design are described.

介绍了用PC机组成的电能质量分析仪的整体构成，信号预处理卡的基本电路设计，数据采集板的基本软、硬件结构及整个系统的软件设计。