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- China Railway Communication Signal Group Co. 北电网络通信工程有限公司中国铁路通信信号集团公司。
- Which of the following are used for data communication signals? 哪一下列各项对数据沟通是使用过的信号?
- From the linear graph, the communication signal is not stable here. 从描记中可以看出,这里的通讯信号不太稳定。
- Manned "stationary" satellites are used to relay and broadcast electromagnetic communication signals. “固定不动的”人造卫星被用来转播及广播电磁通讯信号。
- The method of extracting instantaneous characters of communication signals is studied. 本文研究了通信信号瞬时特征的提取方法。
- Guardrail detects, identifies and locates ground-based radar and communication signals. “护栏”飞机可以探测、识别并锁定陆基和通信信号。
- A beam of light produced by a laser can,carry a large number of communication signals at one time and do many other things. 激光器所产生的光束能同时传送许多通讯信号,还可做其他许多事情。
- An English science-fiction writer, proposed that man-made "stationary" satellites be used to relay and broadcast electromagnetic communication signals. 有位英国科幻小说家曾提议使用“固定不动的”人造卫星来转播及广播电磁通迅信号。
- An English science-fiction writer, proposed that meaned "stationary" satellites be used to relay and broadcast electromagnetic communication signals. 有位英国幻想小说家曾提议使用“固定不动的”人造卫星来转播及广播电磁通迅信号。
- Wireless network attack is an important analyzing technology for spy and disposal, encrypting and deciphering of wireless communication signals. 无线网络攻击关键是无线通信信号侦察处理、加密和密码分析技术。
- A beam of light produced by a laser can, carry a large number of communication signals at one time and do many other things. 激光器所产生的光束能同时传送许多通讯信号,还可做其他许多事情。
- However, intercepts of Aeon communication signals seem to indicate that Princess Rhianne is attempting to steer the Aeon in a new direction. 不过,(近来)截听的艾昂通讯信号表明席安似乎正试图引导艾昂走向新的方向。
- The automatic modulation identification for communication signals is a still important problem in the intercepted signal processing. 通信信号的自动调制识别在截获信号处理方面是一个十分重要的课题。
- Finally, the unitized structure of this communication signal source is presented, the function is analyzed, and the practice applications are shown. 亦从宏观上介绍了此通信信号源的整体结构,给出了它的功能分析和实际应用。
- Then computer simulated the identification of communication signal in Gaussian white noise,the simulations confirm that using wavelet tr... 对高斯白噪声中的通信信号的识别进行了计算机仿真,实验结果表明,用小波分析方法具有较为理想的识别能力。
- He Halbo, Jiang Xia, Cheng Shijie.A novel scheme for low voltage powerline communication signal processing[J].Proceedings of the CSEE, 2001, 21(7): 66-71. [7]何海波;姜霞;程时杰.;一种低压配电网载波通信信号分析的新方法[J]
- The recognition basic modulation styles(DSB,FM,PM,2ASK,2FSK and 2PSK) is discussed by using characteristic parameter and a computer simulation is made on communication signals in Gaussian hot noise. 着重讨论了利用特征参数对几种基本调制制式(DSB、FM、PM、2ASK、2FSK、2PSK)的自动识别问题;对叠加了高斯白噪声的通信信号的自动识别进行了计算机仿真.
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- Afterward, this paper studies the pow- erline communication technology based on finished testing net of CAN bus and analyzes the disturbance of high and low frequency circumfluence on pow- erline for communication signals. 然后,在已经完成的CAN总线实验网络的基础上,研究使用电力线作为传输媒介的CAN总线通信技术。 分析电力线上高低频回路环流对通信信号的干扰。
- This paper deals with the sampling, processing, characterristic extraction,automatic identification, clusster analysis of the communication signals includingAM(DSB,SSB),ASK,FSK,PSK signals and demodulation of the BPSK signal. 本文对常用通信信号,即调幅(AM)、双边带调制(DSB)、单边带调制(SSB)、二进制幅度键控(ASK)、频率键控(2FSK、4FSK、8FSK)、相位键控(2PSK、4PSK、8PSK),在接收机的输出端进行采样、处理、特征提取、模式识别、聚类分析以及解调。
