signal shaping meaning in English
信号形成
信号整形
Examples
- This paper investigates the problems about the base - band signal shaping and the multi - rate signal processing of the radio - frequency signal
本文对基带信号的成形和射频信号的多速率处理进行了研究。 - Adaptive modulation mainly include several problem for example signal shape , channel estimation , all digital receiver and so on . since the channel referring to adaptive modulation is very hostile in wireless transmission channel , its algorithms and architectures used for the modulation and demodulation should be carefully devised and considered . designing appropriate algorithms and architectures of the adaptive modulation are main research goal of this paper to meet the need of flat fading channel and selective fading channel
自适应调制技术主要包括信号成形、信道估计和检测、全数字接收等方面的问题,由于自适应调制所涉及的信道是非常恶劣的无线传输信道,其调制与解调的算法和结构必须加以精心的设计和考虑,针对具体所假设的平衰落和选择性衰落的无线信道情况来设计自适应调制系统的算法和结构是本文研究的主要方向。 - 9 inspect the amount , arrangement , fixing position of the signal equipment ( inspect all kinds of signal equipment according to “ navigation signal arrangement and mast structure drawing ” “ safe drawing ” ( such as signal light , signal shape things , signal flag , pyrotechnic signal , self igniting light of lifebuoy , sound signal etc ) whether satisfy finished plan , and check the qualified certificate of this equipment before and after installation on the ship
信号设备的检验与试验(按照《航行信号布置及桅杆结构图》 , 《安全图》 )检查各种信号设备(如信号灯、信号形状用品、信号旗、烟火信号、救生圈的自亮灯、声音信号等)的数量、布置、安装位置是否满足设计的完工图纸,并在安装到船上之前和之后检查这些设备的质量合格证。 - The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm . we introduce the basic theory of base - band signal shaping , and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned . the shaping filter parameters are determined based on the system specifications , and the simulation results are given
首先从降低邻近码间干扰原则出发,讨论了基带成形的基本原理与升余弦滚降滤波器的时频特性,重点分析将理想的滚降波形g ( t )数字化后对频谱的影响,并且根据系统指标,确定了各项参数,给出了具体的设计举例和仿真结果。 - This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively , intelligently by mfl ( magnetic flux leakage ) inspection method . from the practical demand , theoretical analysis and experiments or testing , the mfl inspection technology of pipeline or pipe defects are explained , summarized in detail in the whole paper , at the same time , the relationship between the mfl field distribution , the mfl signal shape and the defect geometry or severity , the analysis of the mfl data and the compensation of influencing the relationship factors , signal feature extraction , intelligent recognition of defect parameters and so on are studied systematically
论文针对管道(钢管)缺陷漏磁检测定量化、智能化的难题,紧密结合检测现场实际需要,通过理论分析和大量实验,系统分析总结了管道(钢管)缺陷漏磁智能检测技术,并在缺陷漏磁场分布以及缺陷漏磁信号与缺陷外形参数间的关系、缺陷漏磁信号分析、漏磁信号影响因素补偿、缺陷漏磁场波形特征提取和缺陷外形尺寸定量识别等方面进行了深入研究,主要成果和创新如下:引出磁偶极子模型近似分析常见缺陷漏磁场,针对磁偶极子模型的不足,将有限元方法应用到缺陷漏磁场分析,实现了常见管道样本缺陷漏磁场的模拟。