查询词典 waveform digitization

Then the creative research work on ultra-low frequency and large amplitude elcectromagnetic vibrator based on moving magnet is done, improving exciting signal at ultra-low frequency, and, the theoretic analysis and experiment model are studied. Thus, the reference for establishing ultra-low frequency standard vibrator in future is provided. In chapter 5, two control strategies for ultra-low frequency standard vibrator test table waveform are studied.

首先采用机械振动隔振理论，研究设计了机械低通滤波器来滤除噪声信号，并运用等效的小振级信号进行了实验研究，得出了有益的结论；然后为提高超低频时激振信号，作者创造性地提出了动铁型大位移的电动振动台结构，进行了理论分析和实验模型研究，为将来建立大位移的超低频标准振动台提供了参考。

A direct digital synthesis technology, based on large capacity synchronous dynamic random access memory, was used, in which the table of arbitrary waveform amplitude generated by CPU according to testing requirement was stored, and FPGA outputs the amplitudes to D/A converter.

采用基于大容量同步动态随机存储器任意波形表的直接数字合成技术，由CPU根据检测需求生成任意波形幅值表，存储到SDRAM中，现场可编程门阵列器件将波形数据输出到D/A转换器，经滤波、放大后驱动涡流探头。

On this basis, the complete waveform generation of software design, and to prepare the full process.

在此基础上，完成波形生成的软件设计，并编写出完整的程序。

Then it discusses the design of system software and waveform.

然后介绍了系统软件、波形显示等软件的设计。

The results show that the resolution of this waveform is high.

分析表明，该信号形式具有较高的距离和速度分辨率。

The typical waveform is presented in this paper,as well as the test result.

给出典型的实验波形和测试结果。

What they all have in common is that the shape of the waveform is the main feature of interest.

用户对其感兴趣的是他们的共同点，即波形形状。

In software design the data processing method designed in accordance with real time sampling waveform is...

软件设计中提出了根据实际采样波形而设计的数据处理方法。

The simulation result is compared with experimental waveform to verify the validity of the mathematical model.

本文的结果与实验比较，证明了模型的正确性。

A new method of choosing waveform primitives is presented.

提出了一种新的波元选取方法。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。