| 1. | The ground data is important to increase , verify the precision of interpretation of remote sensing images
而地面资料对于提高、检验和保证图像解译精度十分重要。 |
| 2. | Establishing numerical value connection between ground data and remote data by math model when secondary planet over head 2
通过数学方法建立起卫星过境时的地面数据与遥感数据间的数值关系。 |
| 3. | Mode s is the next generation ssr ( secondary surveillance radar ) system . mode s provides enchanced surveillance and complete air - ground data link capability , as well as a / c mode function of traditional ssr
模式s是下一代地基雷达监视系统,除去传统二次监视雷达( ssr )的a / c模式功能外,模式s同时提供增强的监视能力和完全的地空数据链交互能力。 |
| 4. | To capture 3 - d ground data by means of terrestrial remote sensing technique for various engineering survey purposes such as monitoring survey for infrastructures , emergency survey for hazardous site in disaster and topographic survey for road design
以地面遥距感应技术获取立体地面数据作各种工程测量用途，例如基础设施的监察测量、灾难时危险位置的紧急测量以及道路设计的地形测量 |
| 5. | To capture 3 - d ground data by means of terrestrial remote sensing technique for various engineering survey purposes such as monitoring survey for infrastructures , emergency survey for hazardous site in disaster and topographic survey for road design
以地面遥距感应技术获取立体地面数据作各种工程测量用途，例如基础设施的监察测量、灾难时危险位置的紧急测量以及道路设计的地形测量 |
| 6. | Now with the emergence of improved air - ground data communication technologies such as aircraft communication addressing and reporting system acars , automatic dependent surveillance and secondary surveillance radar mode s , the opportunity is there for aircraft reporting by fully automatic means
由于空中对地面的通讯技术的革新，例如飞机通讯通话及报告系统acars自动从属监视系统ads及二次监察雷达ssr s模式的出现，均能促进飞机自动化提供天气报告。 |
| 7. | Now with the emergence of improved air - ground data communication technologies such as aircraft communication addressing and reporting system ( acars ) , automatic dependent surveillance ( ads ) and secondary surveillance radar ( ssr ) mode s , the opportunity is there for aircraft reporting by fully automatic means
由于空中对地面的通讯技术的革新，例如飞机通讯通话及报告系统( acars ) 、自动从属监视系统( ads )及二次监察雷达( ssr ) s模式的出现，均能促进飞机自动化提供天气报告。 |
| 8. | The paper will introduce the structure of the ssr mode s air - ground data link . it details the work courses of the dce ( data circuit - terminating equipment ) , xdce ( gournd / air data circuit - terminating equipment ) , reformatting process , sse ( mode s specific services entity ) , and snme ( mode s subnetwork management entity ) . and it details the process of uplink and downlink frame
详细介绍了dce (数据电路终端设备) 、 xdce (地面/机载数据电路终端设备) 、数据包的格式转换、 sse ( s模式特殊服务实体)和snme ( s模式子网管理实体)的工作过程,还介绍了上行/下行帧的处理,和s模式子网中系统间的数据交换接口。 |
| 9. | Remote sensing techniques have demonstrated their potential for measurements of soil temperature , vegetation canopy and so on . however , what is very difficult that uses reasonably both remote sensing data and ground data in calculating the energy , mass . radiation and momentum exchanges at land - atmosphere interactions , let alone apply in practical works
但是，如何将遥感观测资料和常规资料结合起来研究辐射传输、湍流交换以及地表水的通量等局地尺度特征量是一难题，很多学者都已做了大量的工作，取得了相当鼓舞人心的结果，真正能实际应用的成果却很少。 |
