English translation for "采样信号"
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- sample signal
sampled signal
Related Translations:
采样周期: period of samplingsample periodsampling frequencysampling period 采样分布: sampled distributionsampling distribution 多级采样: multistage sampling 同步采样: synchronous sampling 人工采样: artificial samplemanual sampling
- Example Sentences:
| 1. | A kind of direct reconstruction method for non - uniform sampling signal 非均匀采样信号重建的一种直接方法 | | 2. | The sample and hold circuit is employed by the bottom plate sampling technique , which could not only cancel the charge injection error but also eliminate the effect of clock feed - through 采样保持电路设计采用了电容下极板采样技术,不仅有效地避免了电荷注入效应引起的采样信号失真,而且消除了时钟馈通效应的不良影响。 | | 3. | Blind beamforming ( bbf ) is concerned with the reconstruction of source signals from the outputs of a sensor array without a priori information of the direction of the desired source , relying instead on signal characteristics and array structures 盲波束形成无需知道目标波达方向等先验信息,直接利用信号、基阵自身的特性,就可从基阵的输出采样信号中恢复出期望信号。 | | 4. | Because hrv signal is unevenly sampled , direct spectrum estimation will cause wrong result . resample on hrv signal is necessary . in this chapter after comparing different evenly sampling methods , the best way - cubic spline interpolation is adopted in spectrum estimation 由于心率变异信号是一种不等间隔采样信号,不能直接采用傅立叶变换的方法进行频谱分析,因此将心率变异信号等间隔化是必要的。 | | 5. | Firstly , the voltage sample signals from ac exciter stator coil were de - noised and filtered by means of decomposition of the wavelet function . secondly , the character frequency region of the rotating rectifier fault was selected clearly with wavelet package decomposition and reconstruction 先对交流励磁机定子磁极线圈电压采样信号进行消噪滤波,再通过小波包分解和重构进行特征频率提取,建立了表征旋转整流器故障的特征向量。 | | 6. | Simulation indicates : using band - pass sampling is right in digitalizing if signal ; it is necessary to use special chip to process if digital signal ; at the same time , it is feasible to process base - band low speed signal ( am , fm etc . ) by software 仿真表明:中频数字化技术,使用带通采样方案是恰当的;现阶段对中频采样信号使用专用芯片作降速率处理是必然选择;同时,对基带低速率信号(如am 、 fm 、 bpsk信号)作全数字化软件处理是切实可行的。 | | 7. | In order to receive the data correctly and store it in computer for analysis and process , a kind of space tracking data recording system based on pci bus is designed and realized in this dissertation , which enhance the space tracking system ’ s integrality 本课题正是在这种应用背景下,通过设计基于pci总线的数据录取系统,对航天测控系统地面站综合基带设备数字接收机所接收的中频采样信号和解调后的数据进行接收和存储,将其送到监控计算机中进行调制方案验证和数据分析,从而进一步完善了航天测控系统的设计。 | | 8. | The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model , the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters , defect surface angle and shape , pipe material , field intensity , vehicle velocity , background magnetization , operating pressure and remanent magnetization and so on influence the mfl signal characteristics 采用霍尔元件作为缺陷漏磁检测传感器,获得管道轴截面漏磁场切向分量的漏磁信号;研究了缺陷外形尺寸、缺陷倾角和形状、管道材质和磁化强度、检测仪移动速度、管道背底磁场、管内压力和剩磁对漏磁信号的影响。提出了各通道增益放大、各路漏磁信号偏离调整、波形微分、数字滤波和平滑等漏磁信号预处理方法;分析了等空间采样的漏磁信号转换为等时间采样信号的必要性,研究了漏磁信号的小波去噪方法。 | | 9. | Then , the definition of high order cumulants and the value of digital modulation signals ’ high order cumulants are presented . according to calculate the value of base band signals ’ high order cumulants , 4ask , 2fsk , 4fsk , bpsk , qpsk , 16qam can be distinguished . this method is demonstrated by simulation data and sampled data 接着,本文介绍了高阶累积量的定义和多种数字调制信号高阶累积量的值,通过计算基带信号的高阶累积量,可以对4ask 、 2fsk 、 4fsk 、 bpsk 、 qpsk 、 16qam六种信号进行分类,利用仿真信号和实际采样信号对该方法进行了论证,该方法可以在低信噪比条件下实施。 | | 10. | This thesis presents the time domain character and frequency domain character of common used signals , including digital modulation signals and analogue modulation signals . the first method is to extract feature parameters from time domain and frequency domain . it can distinguish 2ask , 4ask , 2fsk , 4fsk , bpsk , qpsk , 16qam , 64qam and it is demonstrated by simulation data and sampled data 本文介绍了常用的通信信号(包括模拟调制样式和数字调制样式)的时域、频域特征,首先从时频域提取信号的特征参数,用于区分2ask 、 4ask 、 2fsk 、 4fsk 、 bpsk 、 qpsk 、 16qam 、 64qam这8种信号,用仿真信号和实际采样信号验证了该方法的可行性。 |
- Similar Words:
- "采样系统" English translation, "采样箱" English translation, "采样小区" English translation, "采样效率" English translation, "采样效率试验" English translation, "采样性质" English translation, "采样仪器" English translation, "采样用品" English translation, "采样与样品制备方法" English translation, "采样元件" English translation
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