infrasonic

In the first part , an infrasonic pressure chamber system was established .

第一部分为次声压力仓系统的建立及性能检测。

In addition , infrasonic signal processing software is designed using MATLAB .

此外，应用MATLAB设计开发了次声信号处理软件，通过简单、直观的界面操作，实现对信号的监测分析。

An experimental study for infrasonic location by using the wave fronts

波阵面声定向的实验研究

A Study of the Direction of Infrasonic Origin on Earthquake Forecast

地震预报中次声波声源方向的研究

The Data Collection System of Infrasonic Signal

次声信号的数据采集系统

The measurement of time the measurement of infrasonic wave from a long distance artificial explosion

一次人工爆破在远距离产生次声波的测量

Dynamic spectral analysis of infrasonic signal with Hilbert transform

用希尔伯特变换分析次声信号的动态谱

Characteristics of the uniform pipe array and its application to the infrasonic reception

均匀长管阵的特性及其在次声接收中的应用

Results showed that infrasonic treatment promotes the nitrogen metabolism of yeast remarkably .

次声处理明显地促进氮代谢。

Discussion on Application of Infrasonic Wave to Tsunami Disaster Warnings

次声波在海啸灾害预警中的应用探讨

The frequencies used in sonar systems vary from infrasonic to ultrasonic .

声纳所使用的频率从次声到超声不等。

The determination of directions of typhoon by infrasonic method

次声方法测定台风方位的试验

Infrasonic wave is commonly found in a variety of industry , transportation , nature and living environment .

次声波普遍存在于工业、交通、自然及生活环境中。

Morphological study confirmed that MCPG protected neurons from infrasonic damage .

形态学研究证实，MCPG对CA1区神经元有明显的保护作用。

Infrasonic Stimulation on Fos Protein Expression of Central Auditory Pathways

次声刺激诱导大鼠听中枢Fos蛋白的表达

Results With increase in the times of infrasonic damage , cerebral ultrastructure became more aggravated .

结果随次声作用次数增加，脑超微结构损害愈重；

Measurement of three-dimensional dynamic frequency spectra of infrasonic waves produced by winds with 4-8 wind scales

4～8级大风的次声波三维动态频谱测量研究

The control group was only placed in the infrasonic storehouse but without infrasound .

对照组亦暴露于次声仓，每天2h，但不予次声作用。

Mechanism discussion and Measurements of the Precursory Infrasonic Wave of Strong Earthquake in January of 2001

2001年1月强震的前兆次声波测量及机理探讨

Effects of warship infrasonic field on hearing in the crewmen and animals

船舶次声环境对船员和动物听觉功能的影响

AIM : To study the effects of infrasonic sound on the ovary of mouse in ultrastructure .

目的：研究次声暴露对小鼠卵巢细胞超微结构的影响。

Infrasonic stimulation induced Fos expression in medullary catecholaminergic neurons in rats

次声刺激诱导大鼠延髓内儿茶酚胺能神经元FOS的表达

Change of excitatory amino acid transporter 1 in brain tissues after infrasonic damage and its significance

次声脑损伤后脑组织谷氨酸转运蛋白1的改变及其意义

Observation and analysis of infrasonic disturbances

对次声波扰动的观测与分析

The Mechanism Research of Blowing Away Dust and Removing Caking Slag in Boiler by Infrasonic Sound Pressure Wave

锅炉应用次声压力波吹灰除焦的机理研究

Analyzing infrasonic disturbance observed in typhoon season

分析台风季节所观测到的次声波扰动

GIRAFFES communicate with each other at an infrasonic level that humans cannot hear .

长颈鹿用人听不见的低频声音相互沟通。

Ray tracing for infrasonic waves generated by typhoon

台风次声的射线寻迹

Measurements and Study of the Precursory Infrasonic Waves of Strong Earthquakes from July to September , 2000

2000年7～9月强地震的前兆次声波测量研究

The infrasonic radiation equipment , which can adjust the frequency and amplitude of infrasound , is developed .

并在此基础上，研制出一种频率、幅度均可调的次声发生装置。