如果无线电波真的能够穿透宇宙空间的话，它有什么问题呢？
If the radio waves are so good at getting through the universe, what's the problem?
网络空间已成为计算机设备、网络、光纤电缆、无线连接和其他基础设施的象征，这些基础设施将互联网带给全世界数十亿人。
Cyberspace has become symbolic of the computing devices, networks, fibre-optic cables, wireless links and other infrastructure that bring the internet to billions of people around the world.
无线电波广泛存在于自然界中，从声波、光波到空间中的宇宙射线。
Radio waves exist in nature, from sound and light to cosmic rays in space.
但新成立的使用白色空间的无线网络服务营运商将无须为使用频谱而付费。
But a new breed of wireless Internet service providers using white-space frequencies will not have to pay for their spectrum.
无线扩展是一个普通api的名称，它允许驱动程序告知用户关于常见无线lan的空间结构和统计细节。
Wireless extensions is the name of a generic API that allows a driver to inform the user about space configuration and statistics specific to common wireless LANs.
卫星将空间太阳能产生的电能转化成无线电波，传送到地面接收站。
The satellite would then convert the energy into radio waves and beam them down to a receiving station on Earth.
当我在收听美国国内公用无线电视台的新闻节目时，在我的脑海里充满了去想象那些我没有看到的部分的空间。
When I listen to a news programon National Public Radio I am filling in gaps in my mind, visualizing the partsI’m not seeing.
电视白色空间频段上的信号传输稳定。所以这个频段非常适于无线移动设备的应用。
TV white space spectrum signals travel well, making it well suited for mobile wireless devices.
WirelessExtensions项目为不同的无线网卡提供公共的Linux用户空间接口。
The wireless Extensions project provides a common Linux user space interface for different wireless CARDS.
这项工作是加深美国最大无线运营商和Google之间关系的一部分，它曾塑造出一个符合Android系统的移动设备空间。
The work is part of a deepening relationship between the largest U.S. wireless carrier by subscribers and Google, which has carved out a space in mobile devices with its Android operating system.
还通过跟踪相应的代码路径和讨论相关的用户空间工具，了解到不同的无线设备如何在Linux 中工作。
You've also learned how different wireless devices work with Linux by tracing corresponding code paths and discussing relevant user space tools.
在印度最有活力的实业——移动电信中无线电频谱的空间是最有价值的原材料。
Space on the radio spectrum is the most valuable raw material in mobile telecoms, India's most dynamic industry.
这意味着更少的制作费用、更小的制作空间以及更低的制作能耗， 微处理器使得无线装置的性能更加健全，并且有助于无线装置在设备内部更流畅地与其他电子部件共同工作。
This costs less to make, takes up less space, consumes less power, makes the radio perform better and allows it to work more smoothly with the other electronics inside the device.
自由空间光通信已经成为一种可行的、宽带宽的无线通信方式。
Free Space Optics (FSO) has become a viable, high bandwidth wireless alternative to fiber optic cabling.
其他系统，如无线电台与电视台，通过空间来播出信号，任何拥有接收设备的人都可以接收。
Other systems, such as radio and television, broadcast signals through space, which can be received by anyone who has a device to receive them.
可以从其他行业释放出更多的无线通讯空间吗？
Could more wireless capacity be liberated from other businesses that do not need it?
在多个接入点的无线网络中，运用漫游和桥接功能可以将无线网络的空间加以拓展，使办公环境更加方便、快捷。
Wireless networks with a number of access points can expand their space by using the function of roaming and bridging in order to get the office environment more convenient and faster.
小的无线通信设备是需要的，因此，空间的有效使用是有益的。
Small wireless communication devices are in demand, therefore, efficient use of space is beneficial.
空间站里有一个业余无线电系统，在合适的时间，设备正常的情况下，地上的任何人都可以与他们通话。
There is a Ham radio onboard ISS and anyone on the ground, with the right equipment and good timing, can talk to the crew.
井下无线信号的传输属于有限空间的信号传输，多径效应的影响是比较严重。
Underground wireless signal transmission belongs to the transmission of limited space, and its multi-path effects are more serious.
卷积编码是深度空间通信系统和无线通信系统中常用的一种编码方式。
Convolutional coding has been used in communication systems including deep space communications and wireless communications.
天基网是一种以各种类型的卫星为网络节点通过星际链路互连起来的空间无线网络系统。
The space-based network is a type of wireless network system in space in which various satellite nodes are inter-connected by inter-satellite links.
无线传感器网络有着广阔的应用前景，如军事领域、环境科学、空间探索和商业应用。
Wireless sensor networks have many promise and potential applications, such as military fields, environment research, outer space exploration and business applications.
MIMO系统的容量增长与无线信道的空间相关特性紧密联系。
Capacity increases promised by MIMO systems mostly depend on the spatial correlation properties of the radio channels.
作为沟通物理世界和数字世界的一个桥梁，无线传感器网络有着巨大的应用空间。
As the bridge of the physical world to the digital world, wireless sensor networks have great use of space.
不是，尤其不能用无线电联系，除非通过某些可以被大气层吸收的波长进行联系。至于从科学探索的角度出发，这些空间站是非常有用的。
Not particularly through radio communication, except on certain wave lengths that are absorbed by the atmosphere. But as points of departure for exploration they'll be very useful.
无线传感器网络最大的缺点是节点能量受限，同时存储空间及计算能力等资源也非常有限。
The biggest drawback of wireless sensor network is that nodes have very limited energy, storage space and computing ability.
他们用激光，无线电波，或什至致密的金属管，被称为“上帝之棒”，从下跌空间也这样做损害。
And they use lasers, radio waves, or even dense metal tubes, known as "Rods from God", dropped from space to do the damage.
他们用激光，无线电波，或什至致密的金属管，被称为“上帝之棒”，从下跌空间也这样做损害。
And they use lasers, radio waves, or even dense metal tubes, known as "Rods from God", dropped from space to do the damage.
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