From the linear graph, the communication signal is not stable here.
描记中可以看出，这里的通讯信号不太稳定。
Then a frame boundary of a received asynchronous cellular communication signal is time-tagged.
接着，给接收到的异步蜂窝式通信信号的帧边界加时间标记。
Communication signal receiving and data acquisition system is developed for the processing of radio signal.
为了实现对空间无线电通信信号的接收处理，开发研制了通信信号接收与数据采集系统。
The classification and identification of communication signal is a typical statistical pattern identification.
通信信号的分类识别是一种典型的统计模式识别问题。
Signal recovery is a very important task for detection of radar sonar target and communication signal processing.
信号恢复是雷达声纳目标检测和通信信号处理的一项重要任务。
This paper studies the TDOA estimation method using the characteristics of cycle stationary communication signal.
研究了一种利用信号谱相关特性对周期平稳通信信号进行时差估计的方法。
In order to realize subway mobile communication signal coverage, specialized radio communication system was established.
为了实现地铁移动通信信号的覆盖，建立了专用无线通信系统。
Linking of the host and extensions is based on DC bus mode, both energy and communication signal transfer through DC bus.
主机和分机采用直流母线的方式连接，能量和通信信号都通过母线传递。
The utility model discloses ground electronic equipment, belonging to the field of railway communication signal equipment.
本实用新型公开了一种地面电子设备，属于铁路通信信号设备领域。
The basic task of communication signal reconnaissance is to analyze the intercepted signals from the reconnaissance system.
通信侦察的基本任务是利用侦察设备对通信信号进行搜索、截获、分析。
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。
Doppler effect causes not only carrier frequency offset, but also symbol expansion or compression for wideband acoustic communication signal.
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。
This paper presents a blind algorithm to estimate the signal-to-noise ratio(SNR) of a communication signal in multipath Rayleigh fading channel .
提出了一种在多径瑞利衰落信道中的信噪比盲估计算法。
Traditional communication signal generator which is made up hardware has many defects such as more hardware scale, higher cost and more difficult expanding.
传统的通信信号发生器是由硬件组合构成，存在硬件规模大、成本高、不易于扩展等缺点。
It is proved that this system automatically steers the direction of a receiver antenna and locks a synchronous satellite in order to acquire best communication signal.
经实践验证，该系统实现了自动控制接收天线转向并锁定某一个同步通信卫星，以获得最佳的通信信号。
The method includes receiving time-of-day in a synchronous cellular communication signal with the user equipment operable in a synchronous cellular communications mode.
所述方法包含用可在同步蜂窝式通信模式中操作的用户设备接收同步蜂窝 式通信信号中的日时。
The frequency domain entropy of communication signal is smaller than that of environmental noise. We use the threshold method to distinguish whether the primary user is present.
通信信号的频域熵较小，噪声的频域熵较大，采用阈值判别法来判别授权频段是否存在授权用户的通信信号。
In this thesis, the entire hardware design of the signal processing board is realized, then the developing of the communication signal reconnaissance system is mainly introduced.
硬件测试及实验结果表明，信号处理板的设计完全符合课题的要求，可应用于通信侦察的实时信号处理中。
The principle of digital modulated signal is analyzed in this paper. Based on instant character parameters, a kind of digital communication signal demodulation method is established.
分析了信号数字调制的基本原理，提出一种基于信号瞬时特征参数的数字通信信号解调方法。
Simulation results show that the communication signal classification method based on BAM/NBAM is effective, its performance is better than the traditional linear classification method.
结果表明，基于BAM/NBAM的通信信号分类方法是有效的，其性能优于传统的线性分类方法。
It is widely applied to audio signal processing, communication signal processing, noise decreasing, medical signal processing, earthquake signal processing and image signal processing etc.
该方法在语音信号处理、无线通讯、噪声消除、生物医学信号处理、地震信号处理以及图像处理等方面得到了广泛的应用。
The resulting limit, given in units of bits per second, is the absolute maximum rate of error-free communication given signal strength and noise level.
在给定信号强度和噪声水平的情况下，以比特每秒为单位给出的最终限制是无差错通信的最大绝对速率。
This is the mechanical type of communication, which includes the use of signal flags, the 21-gun salute, horns, and sirens.
这是一种机械式的传播，包含信号旗、21响礼炮、号角、汽笛。
Among these eight ingredients, encoding and decoding are of special significance because communication is achieved by encoding a message into a signal and by decoding this signal at the receiving end.
在这八个成分中，编码和解码具有特别的意义，因为通信是通过将消息编码为信号并通过在接收端解码该信号来实现的。
Data Generator can generate very complicated digital signals. It can be used as programmable data signal source in the fields of communication, radar, navigation, space navigation, and so on.
数据信号发生器可以产生非常复杂的数字激励信号，可为通信、雷达、导航、宇航等领域数字设备提供所需的可编程数据信号。
The source coding through compression to remove the source redundancies, achieves the compression bitrate, improve communication efficiency, achieve the purpose of effective transmission signal.
信源编码通过压缩编码来去掉信号源中的冗余成分，以达到压缩码率，提高通信的效率，实现信号有效传输的目的。
The signal input channel and long distance data communication are explained at some length.
对信号的输入通道及远程数据通讯等作了较为详细的介绍。
The meter is controlled by PC586 via remote communication with higher measuring accuracy using signal averaging technology of the software. The meter has a wide adaptability in clinical practices.
该血压计利用远程通讯，由上位机586进行系统管理，并采用软件的信号平均技术来达到较高的测量精度，在医疗临床上有广泛的适用性。
The meter is controlled by PC586 via remote communication with higher measuring accuracy using signal averaging technology of the software. The meter has a wide adaptability in clinical practices.
该血压计利用远程通讯，由上位机586进行系统管理，并采用软件的信号平均技术来达到较高的测量精度，在医疗临床上有广泛的适用性。
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