查询词典 Signal-to-Noise

Based on the "Time Difference of Arrival Principle", the system locates the source of signal position in two or three dimensions by solving for the mathematical intersection of multiple hyperbolas based on the Time Difference Of Arrival between the signal reception at multiple sensors.

基于&抵达时差原则&，系统在两或三维定位信号源位置通过基于在多传感器信号接收之间&信号差异到达&的多双曲面数学交集求解。

This paper amply discusses the investigation and design of conductance cross-correlation flowmeter, it includes the design of the conductance cross-correlation flow sensor, the design of the prompting source circuit, the design of the signal conditioning circuit under the well, the design of the signal incepting circuit on the floor and the design of the software.

论文详细介绍了研究开发的电导式相关流量计，包括电导式相关流量敏感器的设计、激励源电路的设计、井下信号调理电路的设计、地面信号接收电路的设计和上位机软件的设计。

The common-mode interference is always interfused with the weak velocity signal of the electromagnetic flowmeter,which can be amplified by the signal processing circuit.

电磁流量计输出的流速信号非常微弱，且常叠加共模干扰，经信号调理电路放大后，会导致信噪比很低，甚至淹没有用信号。

This system consists of a power unit, a four-electrode probe, a constant current drive unit, pre-amplifier and filter units, a signal generator unit, and data acquisition and control units, where the signal generator unit, and the data acquisition and control units are carried out utilizing DAQ card (PCI-6024E) which is mounded inside a PC.

本系统硬体方面主要包括下列几个部份：电源电路单元、四端电极单元、定电流驱动单元、前置放大与滤波单元、信号产生单元、和资料撷取与控制单元等。

The OK hand signal in Brazil was considered that is vulgar and the indecent hand signal, they envy with the thumb and the index finger company become the circle, and outstretches upwardly other middle fingers.

OK手势在巴西被认为是粗俗和猥亵的手势，他们忌用拇指和食指连成圆圈，并将其余三指向上伸开。

The method can decompose signal into linearity combination of a series of time-frequency atoms, and randomizes the parameters of atoms in the dictionary before each decomposition, which has high time-frequency resolution and parametrization of signal's microstructure.

该算法可将信号分解成一系列时频原子函数的线性组合，并在每次分解前自适应地初始化时频原子的参数，它具有较高时－频分辨率和信号微观结构的参数化表示的优点。

The receiver interprets the phase changes of the carrier signal and reconstructs from it the original electrical data signal.

接收器解释载波讯号的相位变化和从它原来的电资料讯号重建。

On the basis of analyzing modbus protocol and tcp/ip protocol, the design method of retrenching tcp/ip protocol is proposed, and multi-connection signal gathering device based on tcp/modbus protocol is designed. the method of transmitting data between the signal gathering device and multi-hosts in the internet is analysed.

在详细分析tcp/ip协议和modbus协议的基础上，提出对tcp/ip协议进行精简的设计方法，设计了基于tcp/modbus协议的面向多连接信号采集器，重点分析了信号采集器和多台计算机通过internet传输数据的方法。

The feasibility of the two proposed methods is verified by computer simulation.4、A single receiving station passive radar system framework based on Software Defined Radio is proposed. Receiving directly signal, scatted signal use an array antenna simultaneously in the radar system. Therefore, the hardware structure of the system is simplified, Maneuvering and Flexible design are improved.

通过计算机仿真验证提出方法的有效性。4、提出了一种基于软件无线电架构的单接收站无源雷达系统，该系统采用一副天线阵列同时接收直达信号和目标散射信号，简化了系统硬件构成，增加系统机动灵活性能。

The microwave scattered signal of breast tumor is simulated by using our FDTD codes and poles of the scatted signal of breast tumor are subsequently extracted by using Pronys method.

本文首先详细介绍了奇点展开法的背景及其原理，接着应用我们开发的时域有限差分仿真程序得到早期乳房肿瘤的微波散射信号，采用Prony极点提取方法对肿瘤的微波散射信号进行肿瘤特征极点的提取。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。