The Implementation Methods of the Control and Accident Signal with a Common Input Node 控制和事故信号共用一个PLC输入接点的实现方法
Signal model of wireless sensor network node 无线传感网络节点信号模型
This article introduces a method which can transform a signal flow graph obtained from common node equations into a form that is easy for calculation of the sensitivity, and three relevant formulas have been deduced therefrom. 本文介绍一种切实可行的从网络的节点电位方程出发,作出网络的信号流图,再把它转换为易于计算灵敏度形式的方法,并推导出三个计算灵敏度的公式。
The blood stream signal in tumors with axillary lymph node metastases was mostly grade ⅱ and ⅲ, while the signal in tumors without metastases was mostly grade 0 and ⅰ. 而腋窝淋巴结未转移组病灶内彩色血流信号分级以0、I级18/27(66.67%)为主。
Among giving a demonstration procedure, design one sinusoidal wave controller circuit inside 3 signal node sample to analyse. 在示例流程中,将一正弦波控制器设计电路中内部的3个信号节点进行采样分析。
The signal intensities of popliteal lymph node were measured on unenhanced images and enhanced ones, and the enhancing rates ( E%) were calculated to draw the signal-time course curve. 测量增强前后淋巴结的信号强度并计算淋巴结的强化率(E%),用以绘制腘窝淋巴结的信号强度-时间曲线。
From the easy degree of implement and system reliability point of view, it should make use of the signal strength of relay received by mission UAV node as the measure parameter for handoff, and apply the relative signal strength with hysterics and threshold initiation criteria. 从切换实现的难易程度和系统的可靠性出发,把UAV节点接收到的中继机的信号强度(RSS)作为切换测量参数,采用滞后余量与门限结合的切换判决方法。
Application of Data Compressing and Digital Signal Processing to Node Equipment 数据压缩与数字信号处理在节点设备中的应用
Objective To explore a noninvasive transesophageal signal averaging technique for direct recording of sinus node potential ( SNP). 目的:探讨无创性经食管信号叠加直接记录窦房结电位(SNP)的技术。
Design of Time Signal Generator for IRIG-B Node IRIG-B码的时间信号产生器设计
The Characteristics of Doppler Blood Flow Signal of Cervical Lymph Node with Metastasis from Nasopharyngeal Carcinoma 鼻咽癌颈转移淋巴结的多普勒血流信号特征
The gas concentration signal is collected by sensors of terminal node and transported to coordinator through router, and then get to PC monitoring software by protocol translation module to realize the real-time monitoring of gas concentration. 利用终端节点的传感器采集到瓦斯浓度信号,经由路由器节点传输到协调器接点,通过协调器节点转换到以太网上送达到上位机监控软件,完成瓦斯浓度的实时监控。
Both the simulations and experiments reveal that the three proposed algorithms which satisfy the requirements of signal processing in WSN node can be widely applied to process vibration, pulse, temperature and many other non-image signals. 仿真和实验测试表明,本文所提出的中值滤波改进算法和设计方法符合无线传感器节点信号处理的需求,适用于对振动、脉搏波、温度等非图像信息的数据处理,因此具有广阔的应用前景。
The signal propagating distance of sensor node is limited. It needs several sensor nodes to forward the data through multi-hop to the destination. 传感器节点的发送信号传播范围有限,因此需要通过多个传感器节点,以多跳转发的方式将数据传送到目的节点。
Due to the lack of constant power supply, transmit power control in wireless control networks has become one significant issue that is crucial to quality of wireless signal, lifetime of battery or wireless node, and network topology. 由于通常不能进行能量补充,功率控制成为无线控制网络中的一个突出问题,直接影响无线信号的传输质量、电池或节点寿命、网络拓扑。
The program is based on the single-element Virtual Time Reversal Mirror ( VTRM) and Pattern Time Delay Shift ( PDS) Coding system ( VTRM-PDS) and it is used to process the received signal in the communication node. 本文研究开发了基于单阵元虚拟式时间反转镜Pattern时延差编码(VTRM-PDS)水声通信系统的通信节点接收信号实时处理程序。
In the route of light tree, the optical signal is transmitted from the source node to every destination node. 在光树路由结构中,光信号从源点输出经过树状路由传输到每个目的节点。
Using those components designs the system hardware resources. The central node module, the child nodes connected modules, The seismic signal detection module, the magnetic signal detection module and the node power supply module are designed. 主要进行了中心节点模块、子节点连接模块、地震动信号探测模块、磁信号探测模块和节点供电模块的设计,完成了相应电路模块实物的制作,并应用它们完成了系统硬件设计。
According to the needs of functions of signal processing unit in the electromagnetic-spectrum-detection node, the total design is made and it includes implementation scheme, hardware architecture and the model of key components. 根据电磁频谱监测节点中信号处理单元的功能需求,首先对信号处理单元进行了总体设计,包括方案规划、硬件结构设计和核心器件选型。
In this architecture, DSP which was mainly used to generate the signal received by four buoys acted as the signal processor and control node. 在该结构中,DSP用作信号处理器和控制节点,主要用于各浮标接收信号的产生。
Functional model of FPGA configs its function according to the bit-stream file. Signal situation of any node inside the model can be observed during the process so the bit-stream file can be verified. FPGA功能模型能够读取位流文件完成功能配置并进行仿真,在仿真过程中可以观察该模型内部任意节点的信号变化情况,从而得以对位流文件的正确性进行验证。
According to signal processing methods in the relay node. cooperative diversity is divided into three strategies including fixed relaying, incremental relaying and selection relaying. 根据中继节点对信号的处理方式不同,协作分集分为增量型,固定型和选择型中继三种方案。
This work is mainly divided into the following three parts: 1.The design of the signal receiver of the ship-borne node hardware of underwateracoustic remote control system has been completed. 本文工作主要分为以下三部分:1、水声遥控系统船载节点信号接收机设计。
In the monitoring process, grain mass flow was monitored for further verification. Through the CAN bus integrated technology, composed of the CAN bus network, the monitoring signal information sharing, monitoring node with the host computer system communication. 2. 本文监测的多个独立监测控制节点通过CAN总线进行集成技术的研究,组成CAN总线网络,实现了监测信号的信息的共享,完成了监测节点与上位机系统的通讯。2.监测软件设计。
Network coding is a new kind of signal processing mechanism. It allows the relay node to combine multiple messages to be a single integrated one for forwarding. 网络编码是一种新型的信息处理机制,允许中继节点将多个接收信息处理成一个综合的数据包后再发送,再在接收端联合多个相互独立的数据包即可恢复原始信息。
Finally the measured signal is decomposed and extracted by the WP signal component node energy acted as the test sample, which will carry on the support vector machines SVM model to predict and distinguish fixity factor of the structure node. 最后将测试得到的信号进行小波包分解并提取小波包信号成分节点能量作为测试样本,进行支持向量机SVM模型的预测,识别出结构节点的固结系数。
In the propose scheme, cooperation users rotate and superpose local signals and the signals received from cooperation partner in signal space diversity manner, and the destination node detects the signals in iterative manner. 在所提方法中,协同用户将中继信号和自己的信号按信号空间分集的优化方式进行旋转叠加然后传输,基站对数据进行迭代检测。
In the network it has two kinds of sensors, one is for the radio frequency signal transmitting node, the other is RF signal receiving node. 整个网络中的传感器其节点主要分为两种,一种为射频信号发射节点,另一种为射频信号接收节点。
The entire network connect through a wireless signal by multi-hop nodes forwarding, the node process and optimize the collected data, then passed to the gateway node, eventually pass through to the user terminal by the Internet or wifi. 整个网络通过节点间无线信号的多跳转发而连接,节点对收集到的数据进行处理优化,传递给网关节点,最终通过Internet或无线网络传递给用户终端。
Most of these algorithms are based on the RSSI method, mainly measur-ing the distance of the node and the reference node by computing the received signal intensity of the node, so as to achieve the purpose of the unknown node positioning. 这些算法大部分基于RSSI方法,主要通过计算节点接受信号的强度来测量节点与已知参考节点的距离,从而达到未知节点定位的目的。