查询词典 modulation

Aircraft navigation system, one or more ground navigation station with the provisions of the frequency of launching radio beacon signals (such as wave, audio wave modulation or code), aircraft flight navigation equipment according to the received beacon signal measured or calculated aircraft Solutions relative to the navigation ...

飞机导航系统中，一个或几个地面导航台用规定的频率发射无线电信标信号（等幅波、音频调制波或代码），飞机机上导航设备根据收到的信标信号测出或解算出飞机相对于导航。。。

Aircraft navigation system, one or more ground navigation station with the provisions of the frequency of launching radio beacon signal (amplitude wave, audio wave modulation or code), aircraft flight navigation equipment according to the received beacon signal measured or calculated aircraft Solutions relative to the navigation ...

飞机导航系统中，一个或几个地面导航台用规定的频率发射无线电信标信号（等幅波、音频调制波或代码），飞机机上导航设备根据收到的信标信号测出或解算出飞机相对于导航。。。

The simulation results are given that, the beacon identification function and the direction finding of the radio compass cannot be influenced by DPSK modulation, and the synchronization between DPSK and the audio frequency signal is an effective approach to overcome the AM's influences on the DPSK demodulation.

仿真结果表明，DPSK不会对现有机载无线电罗盘的基本功能产生影响，利用差分数据信号与音频信号进行同步的方法进行"北斗二"差分数据传播可以有效克服AM调制对DPSK解调的影响。

Measurement of the modulation transfer function of flash X-ray radiography system.

闪光照相系统的调制传递函数的测量方法。

So, radiolocation technique in the communication system based on OFDM modulation was investigated in this paper.

为此本文结合两者对基于OFDM调制的通信系统中的无线定位相关技术进行了研究和探讨。

To solve the direction-finding with communication signal and the integration of communication and radiolocation,a new space-time OFDM modulation technique is proposed,and the system can transmit azimuth message.

为解决利用通信信号的测向和通信定位综合设计问题，提出了一种载有方向信息的OFDM时空调制技术。

To meet the challenge of future mobile communication and integrated communication and radiolocation systems, a new quaternary 8 phases space-time modulation technique with 36-element circular array antenna is proposed.

针对通信定位综合一体化的趋势和未来移动通信发展的需要，本文提出了一种新颖的四进制八相时空调制技术，设计了一种利用36元均匀间隔圆阵天线发射的通信定位综合化系统。

The instantaneous SNRof the receiver of STBC over raying fading is illustrated, based on this, the closed impression of STBC's symbol error rate is educed with M-PSK and M-QAM modulation and also presents the numerical results.

给出在瑞利衰落信道下正交空时分组码瞬时接收信噪比的一般表达式，在此基础上推导出正交空时分组码在M-PSK和M-QAM调制下误符号率的闭式表达式，并给出数值分析结果。

In addition to modulation and coding scheme, we also take latency for real-time service into account.

除了考虑调变与编码机制之外，我们针对即时的应用服务也将延迟纳入排程考量。

The experiment of laser communication shows the realizability of electrooptic modulation in application of laser communication.

近几年来，人们对宽带多媒体业务的需求促进了整个通信网络的宽带化发展。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。