信号 signal; semaphore; gun 音频[响] 信号 an audible signal; 臂板信号 [铁道] semaphore; 灯光信号 light signal; 识别信号 identification signal; 遇难信号 [航海学] distress signal; sos; 杂乱信号 [无线电] hash; 火车切不可越过危险信号。 a train must not pass a signal that is at danger. 信号是用旗或灯发出的。 signals are made with flags or lamps.; 信号弹 [工业] signal flare; 信号灯 signal lamp [light]; alarm lamp; light; signallight; winker; call lamp; blinker; telltale lamp; 信号发生器 signal generator; generator; producer; 信号枪 signal gun; signal piping; flare gun; flare pistol; pyrotechnic pistol; ground signal projector
同步数字体系信号的基本复用结构 basic multiplexing structure for synchronous digital hierarchy signals
同步数字体系信号的帧结构 frame structure for synchronous digital hierarchy signal
Chapter 4 introduces the principle of gps and its signal framework 第四章分析了gps的原理及其信号结构。
There is difference for the effect of signal structure in the different mobile communication environment 不同的无线移动通信环境,对信号结构的影响也就不一样。
As the solution to the near - far problem in pseudolite application , the tdma signal structure project has been researched 针对伪卫星信号应用中遇到的远近效应问题,研究了时分信号结构方案来解决。
The results demonstrate that for ica the correct preprocessing according to signal structure contributes to extracting features from mechanical signals effectively 研究结果表明,根据信号结构选择预处理的方法十分重要,正确的预处理可以使独立分量分析有效地提取机械信号中的特徵。
A new wavelet - bispectrum united detection algorithm is proposed to face with problems such as the complex structure and low signal to noise ratio of radar echo , when there exist difficulties in detecting impulses in through - wall radar systems 摘要针对冲击体制穿墙雷达系统中回波信号结构复杂、信噪比低、信号检测困难等问题,提出一种小波双谱联合检测新算法。
Contributions in this paper mainly sh ow four points : 1 the structure characteristic of the received ds - cdma signal is analyzed in the presence of multi - path slow fading effect case for wireless mobile communication . according to this characteristic , four data - selected schemes based on chip - matched filter are presented from the perspective of energy and structure of signal . and the impact of these schemes on multiple - access interference ( mai ) and inter - symbol interference ( isi ) is analyzed 本文的主要贡献在于四个方面: 1 、针对无线移动通信系统中广泛存在多径慢衰落效应的情况,分析了ds - cdma系统中接收信号本身的结构特征,根据这个特征,在匹配滤波的基础上,从能量与信号结构的角度提出了四种不同的数据采用方案,并分析了不同数据方案对多址干扰与码间干扰的影响。