查询词典 satellite communication

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。

ABSTRACT Satellite communication is one of the modern communication techniques.

卫星通信是现代通信技术之一。

Satellite communication, as one of the significant modern communication technologies, has made a great deal of progress during the past 30 years.

卫星通信作为重要的现代通信技术之一，也取得了极大的进步。

These products are mainly used in civil mobile communication system , satellite communication system and wideband wireless receiving system.

该产品主要用于民用移动通讯系统，卫星通讯系统及宽带无线接入系统。

The modem method has been employed in mobile communication system, satellite communication system.

在移动通信、卫星通信中得到广泛应用。

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

Regional mobile satellite communication systems are very important for developing countries, especially for China who lacks the basic communication methods in her large rural areas. Adopting MEO constellation is an effective way for this situation.

第四章提出了一种用于区域性系统的中轨星座设计方法，&时间决定&星座设计，该设计方法较好地解决了中轨星座较好的覆盖性能与区域性系统较低的系统投资之间折衷的问题。

"Satellite communication, the use of manmade satellites, travelling in Earth orbit s to provide communication links between various points on Earth, is the most important nonmilitary exploitation of space technology."

卫星通讯是利用在地球轨道上的人造卫星为地球不同地点提供通讯联系，它是最重要的非军事太空技术利用。

"Satellite communication, the use of manmade satellites, travelling in Earth orbits to provide communication links between various points on Earth, is the most important nonmilitary exploitation of space technology."

卫星通讯是利用在地球轨道上的人造卫星为地球不同地点提供通讯联系，它是最重要的非军事太空技术利用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。