提出一种利用非单点模糊系统建模的短波通信频率参数预测模型。
This paper presents a prediction model of frequency parameters of short-wave communication based on non-singleton fuzzy system.
例如，一个相对通信频率较低的网络算法，可能可以很好的应用在新闻项目上。
For example, a network based on relatively infrequent communications might turn out to work well for sharing tagged news items.
而移动电话运营商则在花费巨资为高速接入提升自己的网络——并在寻求新的通信频率。
And mobile operators are spending huge sums to upgrade their networks for high-speed access—and are looking for new sources of traffic for them.
BAE系统公司将开发一种新型雷达预警接收机原型，该原型能实时识别无线电频率和通信活动。
BAE Systems will develop a new radar warning receiver prototype that can identify radio frequency and communications activity in real time.
国家用于人民防空通信的专用频率和防空警报音响信号，任何组织或者个人不得占用、混同。
No organizations or individuals may use the same frequency or the same acoustic signals as those specially used by the State for civil air defense communications or air defense warning.
这些频道能让移动通信运营商用一个发射台就可以覆盖多达10倍于使用现有频率的发射台的地区。
They will allow mobile carriers to cover, from a single tower, up to ten times the area possible from a tower using existing frequencies.
通信管理局将在2010年拍卖现在由模拟电视广播使用的频率，将它移交给手机运营商。
Ofcom will auction off the frequency currently used by analogue television broadcasts in 2010, handing it over for use by mobile operators.
近场通信是一种近距离、高频率无限技术，可以允许手机等设备和其它近场通信设备进行数据交换。
NFC is a short-range, high-frequency wireless technology which lets devices, primarily mobile phones, communicate with other NFC devices in order to exchange data.
这个新产品或者新技术的应用不会对任何个人或者组织造成损害，也不会造成通信秩序的混乱，因为它不需要新的无线电频率资源。
This new product or new technology will not cause any damage to individuals or organizations, nor will it result in chaos communications, because it does not need a new radio frequency resources.
在典型的通信系统中，调制过程是数字信号加载在载波的幅度值、载波的频率或者载波的相位上。
In the model communications system, the modulation process also is loaded the digital signal in the carrier scope value, the carrier frequency or on the carrier phase.
另外在未来宽带MIMO无线通信系统中，通常面临频率选择性衰落信道，传统高性能均衡器就会变得异常复杂。
In addition, there will be frequency selective fading in the future broadband MIMO wireless communication systems, and the traditional high-performance equalizer will become extremely complicated.
对于无线数字通信而言，通常将数字用户信号首先转换到模拟域中，然后通过一个或两个步骤将其调制到无线电频率。
For wireless digital communications, digital user signal is usually at first converted into analog domain and then modulated to radio frequency by one or two steps.
高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
无论是雷达、电子对抗，还是通信、仪器设备等都需要高稳定度的频率源，以保证载波信号的质量。
Whatever it is radar, eccm equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal.
移动节点使用其中的一个频率作为中继来实现它和SBS2之间的初始通信。
One of its frequencies is used by the MN as a relay to implement its initial communication with SBS2.
对于无线通信系统，无线信道不仅是频率选择性的，而且是时变的。
However, for the wireless mobile communication systems, the radio channel is frequency selective and time-varying.
随着数字通信电缆传输频率越来越高，为了达到宽带用户接入网最后100米的要求，对SRL的在线预测变得越来越迫切。
With the increasing of transmission frequency of data communication cable, the requirement of predicting SRL online became urgent according to the demand in last 100m of broadband user access network.
目的用公共的低速采样频率对全频段内许多不同频点的带通信号进行采样。
AimTo use the common sample frequency in low speed to the sample of band-pass signals of multiple different frequency point in full frequency rage.
说明：编码器生成M序列进行通信，接收后再进行解码。用于扩频率通信中。通过状态机实现。
The encoder generates the m sequence for communication, the receiver and then decoded. For the expansion of the frequency communications. Through the state machine implementation.
原子频标是空间技术和授时系统的频率与时间基准，直接决定了卫星通信的质量。
Atomic frequency Standard is the frequency and time benchmark of space technology and time awarding system, directly determining the quality of satellite communications.
智能天线技术为解决频率资源不足、提高移动通信系统容量和系统服务质量提供了一个有效的解决途径。
The smart antenna technology is an effective solution to take good use of the frequency sources and to promote the capacity and the service quality of the communication system.
在无线移动通信中，接收机的本地振荡频率和载波频率之间往往存在较大的频率偏差，AFC用于克服此频偏。
In wireless communication system, there is a large frequency bias between carrier frequency and local oscillating frequency. AFC is contributed to eliminate it.
本设计主要包括两个部分：基于FPGA的频率、相位检测模块和CAN总线通信模块。
So, this thesis includes two main parts: frequency and phase detecting module base on FPGA, and CAN-bus communication module.
在通信领域中，锁相环频率合成器起着越来越重要的角色。
In the field of communications, PLL synthesizers playing an increasingly important role.
这对于高纯频率捷变合成信号源和军用数字通信设备中频率合成器的设计具有重要意义。
It has important significance in the design of high purity spectrum agile signal synthesizer and frequency synthesizer in military digital communication equipment.
多普勒不仅造成宽带水声通信信号的载波频率偏移，而且引起码元符号的展宽或压缩。
Doppler effect causes not only carrier frequency offset, but also symbol expansion or compression for wideband acoustic communication signal.
在无线通信领域中高性能频率源是通信设备、雷达、电子侦察和对抗设备的核心部件。
In the field of wireless correspondence, high performance of frequency source is the core part of communication facility, radar, electronic reconnaissance and resistance equipment.
频率合成器是一种频率稳定度较高的离散间隔型频率信号发生器，广泛应用在通信、雷达、仪器仪表及导航系统中。
The frequency synthesizer is a kind of discrete frequency singal generator with high stability, and it is widely used in communication, radar, apparatus and navigation system.
随着通信领域的频率竞争愈演愈烈，惯用的定频通信受到了严重威胁。
With the drastic frequency competition of communication, the usual communications with fixed frequency suffer from a serious threat.
自nasa首次进军太空，它依赖于无线电频率(RF)通信。
Since NASA first ventured into space, paths relied on radio frequency (RF) communication.
应用推荐