dasp

Application of DASP Technology in Modern Test Instrument Platform

DASP技术在现代测试仪器平台中的应用

The advanced DASP ( Data Alias - free Signal Processing ) technology is applied to modern test instrument platform .

本文将先进的DASP（DataAlias-freeSignalProcessing）抗混叠信号采样技术运用到现代测试仪器平台中。

The researches indicate that applying DASP technology in test instrument platform can extract high frequency signals with lower sampling rate effectively , and improve test precision and efficiency .

研究表明DASP技术融入测试平台能以较低的采样率有效地提取高频信号，提高了测试精度和效率。

Moreover , the natural frequencies and modes information of the bare frame and the infilled frame were obtained by the analysis of the Dasp software .

通过dasp软件的分析功能，获取了空框架和填充墙框架的固有频率和相应的振型等模态信息。

Testing for buffer characteristics of the prototype of lunar lander with three legs are finished by means of piezoelectricity acceleration transducers and the DASP software which may collect and analyze data .

采用压电式加速度传感器及DASP数据采集与分析软件对三支撑月球着陆器原理样机缓冲性能进行了试验测试。

With analysis of professional software DASP , natural vibration frequency ( period )、 vibration mode and damping ratio of model structure with not sealing top and sealing top are obtained , and then analyze the the change rule of the dynamic characteristics after the two tests . 3 .

利用专业软件DASP分析试验结果，得到模型结构在未封顶、封顶两种情况下的自振频率（周期）、振型和阻尼比，进而分析出两次试验后动力特性的变化规律。

The experiment has adopted INV303 / 306 fictitious instrument system and DASP mode analysis software , knowing the modal damping , modal rigidity , mode quality of the system . Have set up the vibration mechanics model in the tomato transportation of seven freedom degrees .

实验采用了INV303／306虚拟仪器系统和DASP模态分析软件，辩识系统的模态阻尼，模态刚度，模态质量等参数，建立了七自由度的番茄运输中的振动力学模型。

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。