卫星通信

Below the support of headquarters and army, take kind of assault boat, empty demote rapid will light satellite communications fixture and personnel carry are gone to stricken be hit by a natural adversity the most serious area.

在指挥部和部队的支持下，采取冲锋舟、空降等方式迅速将轻便的卫星通信设备和人员运往受灾最严重的地区。

Rain attenuation is a main factor that affects the communication capability and the quality of transmission in Ku-band satellite communication.

雨衰是影响 Ku波段卫星通信系统传输质量及系统性能的主要因素之一。

Rain attenuation is a main factor that affects the communication capability and the quality of transmission in Ka band satellite communication.

降雨衰减是影响Ka波段卫星通信系统传输质量及系统性能的主要因素之一。

"Cerebrum " the computer will be contacted through satellite communications and global system.

"大脑"计算机将通过卫星通信与全球系统联系。

He emphasizes, when communication network is temporarily irreclaimable, want to carry the kind of satellite communications first, send signal into epicentral area.

他强调，在通信网络暂时不能恢复的时候，要先通过卫星通信的方式，将信号传进震中地区。

The communications mode under computer control system which composes such as large covered area、wider frequency band、longer transmission distance、bigger volume、high quality、flexibility and multi-address connections.

利用卫星通信与航天技术相结合并由计算机实现控制的通信方式，其优点是覆盖面积大、频带宽、传输距离远、容量大、质量好、机动灵活并可实现多址连通等优点。

Satcom is one kind of microwave communication by utilizing communication satellite as a relay station and it has the following properties.

4卫星通信是以人造通信卫星为中继站的微波中继通信，其特点主要为

The characteristic of residuary bit errors in satellite baseband channel affects the performance of communication protocol in upper layers significantly.

卫星通信信道的基带残留误码特性直接影响上层通信协议的性能。

It is meaningful for short wave communication system and satellite communication system with DSSS technology.

通过减小复杂度的措施，可以用于实际系统，这对于应用 DS扩频系统的短波通信和卫星通信，增强抗干扰能力具有重要意义

It is one of the key techniques in low orbit satellite communicationsystem to suppress the interference falling in the same frequency band andthe jamming with some effective measures.

以短数据通信为主要业务的低轨卫星通信在军用、民用市场上有着巨大需求，但在中国的应用效果不理想，主要原因是中国国内和东南亚地区电磁环境十分复杂，同时系统设计还不完善。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐