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DRSSI
- 针对煤矿井下巷道狭长，信号多径效应明显，接收信号强度（RSSI）测距算法受井下环境影响大，定位精度低的情况，提出了一种信标节点链式部署结构下的动态RSSI测距算法，该算法以信标节点间的距离和它们间测量到的RSSI值为参考，计算巷道内实际环境下的路径衰落指数，以提高RSSI测距算法对环境的适应性。-A dynamic RSSI location algorithm is proposed based on the beacon nodes chain deployment of tunnel Wi
RSSI
- 通过对RSSI测距模型进行分析， 并提出一种针对室内环境的参数修正方案。 通过 自行研发的传感器节点，上进行验证分析，实验表明，采用环境参数修正方案后， 明显提高了测距的精度。-We studied andanalyzed RSSI—based distance estimated model, and provide aparameter calibration method which in specific to indoor environmental applications．E
Algorith-difference-of-RSSI-and-LQI
- 一种基于RSSI 和LQI 的动态距离估计算法,幫助了解RSSI估计算的準確度-RSSI and LQI based on dynamic distance estimation algorithm to help understand the RSSI estimate the accuracy of counting
RSSI
- 基于RSSI的定位，已知发射节点的发射信号强度, 接收节点根据接收信号的强度, 计算出传播损耗, 利用理论的或经验的信号传播模型将传播损耗转化为距离, 然后再计算出节点的位置。-RSSI-based positioning, known to the launch of the launch signal strength node, receiving node based on received signal strength to calculate the spread of wear
RSSI
- 基于RSSI的定位，已知发射节点的发射信号强度, 接收节点根据接收信号的强度, 计算出传播损耗, 利用理论的或经验的信号传播模型将传播损耗转化为距离, 然后再计算出节点的位置-RSSI-based positioning, known to launch the node transmission signal strength, the receiving node according to received signal strength, transmission loss calcula
Simulation1
- 本程序先使用RSSI中对数常态模型来测距离，然后用三边测量法来计算未知节点的坐标。-The program first uses RSSI in lognormal model to measure the distance, and then use trilateration to calculate the coordinates of the unknown node.
LS6P
- 最小二乘法(LS)仿真6个参考节点定位一个定位节点，利用RSSI与距离转化的公式求解距离。-Least squares (LS) simulation 6 reference node positioning a positioning node, the use of RSSI and distance into the distance formula to solve.
Distance
- 无线传感器网络RSSI定位，通过信号强度来进行无线传感器位置测算。-The wireless sensor network RSSI positioning, through the signal strength to carry out the calculation of the location of the wireless sensor.
WIFI--Distance
- WIFI测距，通过RSSI（Received Signal Strength Indication）实现室内wifi结点测试距离。集成inssider功能，并对信号做算法处理与优化。-WIFI ranging through RSSI (Received Signal Strength Indication) to achieve indoor wifi node test distance. Integrated inssider function, and signal processing
Distance
- 基于RSSI的距离测量 matlab 将接收信号强度RSSI转化为距离，发射信号经衰减到达接收端,根据接收信号的强弱计算T-R距离-RSSI-based distance measuring the received signal strength RSSI matlab converted into distance, attenuated transmitted signal arrive at the receiver end, according to the strength of
RSSI-To-Dist
- 本程序实现由RSSI转为距离Dist的功能-This procedure realize the function of the distance the RSSI to Dist
RFID
- 51单片机实现的SI4463程序代码， 是4GFSK调制，频率433MHz，功率20dBm，已经最大 SI4463程序还带有读取RSSI，功率调节的功能，都把数据通过串口输出。如果要做运动检测，定位，RSSI可以用到。 RSSI是接收到的信息强度指示，当距离远时，信号强度低.发送端代码-51 MCU si4463 code is modulated 4GFSK, 433MHz frequency, the power of 20dbm, has maximum si4463 program wi
Iot-positioning-simulation
- RSSI算法是指根据无线传感器接受到（目标物体）的信号指示强度，计算该信号在传播中的损耗，根据理论或者经验的信号传播模型将信号强度转换成距离。但是这种算法很容易受到天气，障碍物或人员流动的影响，导致测距不精确，从而定位精度不高。但是由于RSSI算法简单，成本低廉，很多无线通信模块提供RSSI值，所以RSSI算法依然应用在众多领域中。-RSSI algorithm is based on wireless sensor to receive the signal intensity (object
stm32f1test
- ADD：这个模块我在调试过程中发现很容易便会死机，对干扰跟电源扰动比较敏感，过段时间试试加个电容减少下波纹。SI4463具有RSSI功能，与WIFI一样可以通过这个来估计距离，不太清楚其信道评测功能，将继续研究以便实现自动跳频-ADD: this module I found in the debugging process easily will crash, disturbance is more sensitive to power, the interference over time
RSSI
- 接收的信号强度指示，无线发送层的可选部分，用来判定链接质量，以及是否增大广播发送强度,通过强度来估算出距离(The received signal strength indicator, the optional part of the wireless transmission layer, is used to determine the link quality and whether the broadcast transmission strength is increased and
RSSI转D
- 本程序实现测量传感器网络之间的RSSI值，由其值得大小表征信号强度的大小，并将其转为距离D的功能。(This procedure realizes the measurement of the RSSI value between the sensor networks, and the size of the signal strength is represented by its size, and it is turned to the function of distance D.)
9 RSSI值测距离
- 1.CC2530F256测距，使用Zigbee协议栈开发，精度为小数点后1位，主程序入口提供详细文档解析，采用广播的方式组网，目前组网3个没问题，上位机串口调试助手显示距离； 2.协议栈使用rssi来计算距离，测量范围在0.1~3m区间误差不到百分之3； 3.如需定位，简单修改主函数套公式即可； 4.程序使用ZStack-CC2530-2.3.1-1.4.0。(1.CC2530F256 ranging, using Zigbee protocol stack development, ha
网关方案三：ZIGBEE %2B SIM900A
- 1.zigbee编写语言为C语言，使用ZStack-CC2530-2.3.1-1.4.0协议栈； 2.APP使用eclipse eda安卓开发，采用sim900A连接外网，可简单修改连接esp8266wifi模块，从而连接外网，app能够实时显示采集zigbee采集的距离； 3.服务api采用的是淘宝云平台的api，服务器长期有效，无需修改； 4.通过cc2530之间通信，采集到rssi值，计算出距离，通过串口上传上位机，该程序能简单修改主函数，实现测距。(1.zigbee is writ