rass

Sound Transmitter System of RASS in Wind Profile Radar

RASS声发射系统的设计

This paper focuses the analysis and comparison on the rapid access property of RASS , and gets a positive conclusion .

文中还用较大篇幅对RASS的快速存取性能给予了分析和比较，得出了肯定的结论。

RASS : Acoustic Signal Model and Limiting-Performance Factors

无线电声学探测系统的声源信号形式与性能限制因素

A bright Seyfert identified from RASS sources

RASS源中证认的一颗亮Seyfert星系

This paper describes the operational principle and key techniques of RASS sounding transmitter system designed to measure the temperature of lower atmosphere in a wind profile radar .

论述了某气象雷达为满足测量大气低层温度需要而设计的RASS声发射装置的工作原理和技术要点。

At last , the theory and instrument of radio acoustic sounding system ( RASS ) are discussed . It utilizes wind profiler radar to measure the temperature of the lower atmosphere layer .

最后讨论了无线电声探测器（RASS）利用风廓线仪测量大气低层温度的原理及其装置。

The work principles of the atmosphere profile synthesis detecting system ( the wind profiler and RASS radar ) are introduced . The application of the detecting technology in the upper air abroad is discussed by giving some examples .

介绍了大气廓线综合探测系统&风廓线仪与RASS雷达的工作原理，并以具体实例来说明这种探测技术在国外高空探测领域中的广泛应用。

In order to solve the inefficiency problem which relational databases usually meet , this paper , under such an environment that the distribution of access frequency on data is uneven , proposes a rapid access storage structure for relational databases , RASS .

为了解决关系数据库所面临的效率不高这一问题，本文在数据存取频度分布非均匀的数据库环境下，提出了一个关系数据库快速存取的存贮结构RASS。

The methods are proposed for calculating humidity profiles in the range of 0.2 km to 2.2 km in altitude by means of the wind profile / RASS data from the Feixi observing experiment site in Anhui Province in Summer 2002 .

通过对中日科技人员2002年夏季在安徽省肥西县进行的中尺度天气观测试验资料分析，阐述了用风廓线仪和RASS雷达资料反演02～22km高度范围内湿度廓线的方法。

This paper describes the theory and the key techniques of designing RASS sounding transmitter system to measure the temperature of the lower atmosphere in the wind profiler radar , the system is composed of the sound frequence source and power amplifier and sound antenna .

论述了某风廓线雷达为满足测量大气低层温度需要而设计的RASS声发射装置的系统原理和技术要点，声发射装置由音频信号产生器、音频功放和声天线三部分组成。

How to select the acoustic carrier frequency and the modulating signal is a difficult problem in design of Radio-Acoustic Sounding System ( RASS ) . This paper presents the expressions of acoustic-frequency-window and frequency-bouncing-interval , and discusses five sorts of acoustic signal models .

声载频及其调制信号的选择是无线电声学探测系统的设计难点，本文给出了声频窗和跳频间隔的表达式，讨论了五种声源信号形式。

All - sky X-ray survey has been completed by the ROSAT satellite launched in June 1990 , and the RoSAT All Sky Survey - Bright Sources Catalogue ( RASS - BSC ), which contains 18811 X - ray sources , is published .

1990年6月发射的ROSAT卫星完成了全天的X射线巡天观测，得到了包括18811个X射线源的ROSAT全天巡天亮源表（RASS－BSC）。