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毕业设计时制作的一套水位遥测自控系统,本系统以AT89S51单片机为主控单元,通过超声波传感器和液位变送器实现液位实时数据的检测和自动控制。系统分主控站与测控站,通过主控站的键盘可以实现对测控站的水位上下限的控制和显示。主控站与测控站之间的无线实时数据传输的解决方案采用广泛应用于无线抄表、工业数据采集系统和水文气象监控等领域的无线通信芯片nRF24L01组成无线高速数据收发模块。系统实现对所监控水位的短矩离无线测量与自动控制,利用GFSK实现数据高速传送以及较低的功耗。从测控站传送过来的数据通过人性化人机交换界面LCD1602实现数据的实时数据显示以及实现相应的报警提示。本系统通过单片机串口与电脑串口的通讯功能和利用互联网可以实现水位的远程测量与自动控制,这对江河水位的实时监控非常实用。本系统可能通过简单地调整就可以移植到其它物位系统与无线抄表系统,非常有研究价值。系统利用功能强大的C语言开发,并在软硬件设计中分别使用了Protel 99se 、keilC51开发平台。结果表明,该系统具有有性价比高、操作简便、可视化操作等优点.-The system main control unit MCU AT89S51 by ultrasonic liquid level sensors and liquid level transmitter implementation of real-time data detection and automatic control. System sub-master control station and the monitoring and control station, through the master control station s keyboard can be achieved on the water level monitoring station on the lower limit of the control and display. Master control station and the monitoring and control station in real time between the wireless data transmission solutions are widely used for wireless meter reading, industrial data acquisition systems and hydro-meteorological monitoring in areas such as wireless communications chip component nRF24L01 wireless high-speed data transceiver module. System monitoring the water level on the implementation of the short moments away from the wireless measurement and automatic control, the use of GFSK achieve high-speed data transmission and lower power consumption. From the monitoring station to send back
Update : 2024-05-16 Size : 5180416 Publisher : 王利华

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先进的GFSK无线双向收发IC,使用C51设计的收发程序,参数可以直接使用.-GFSK advanced wireless two-way transceiver IC, the use of C51 designed to send and receive procedures, parameters can be used directly.
Update : 2024-05-16 Size : 1024 Publisher : 阿彦

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NRF24L01无线射频模块开发测试程序,mcu为AT89S52,编程环境keil,调试通过。-The development of radio frequency modules NRF24L01 test procedure, mcu for AT89S52, programming environment keil, debugging through.
Update : 2024-05-16 Size : 56320 Publisher : 王永瑞

SCMRF24L01
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RF24L01特点: (1) 2.4Ghz 全球开放ISM 频段免许可证使用 (2) 最高工作速率2Mbps,高效GFSK调制,抗干扰能力强,特别 适合工业控制场合 (3) 126 频道,满足多点通信和跳频通信需要 (4) 内置硬件CRC 检错和点对多点通信地址控制 (5) 低功耗1.9 - 3.6V 工作,待机模式下状态为22uA;掉电模 式下为900nA (6) 模块可软件设地址,只有收到本机地址时才会输出数据(提供中断指示),可直接接各种单片机使用,软件编程非常方便 (7) 内置专门稳压电路,使用各种电源包括DC/DC 开关电源均有 很好的通信效果 (8) 标准 5*2 DIP间距接口,便于嵌入式应用 (9) 工 作 于 Enhanced ShockBurst 具 有 Automatic packet handling, Auto packet transaction handling,具有可选的内 置包应答机制,极大的降低丢包率。 (10) RF24L01SE配外置天线空旷地传输距离可达100米, RF24L01B空旷地传输距离约30-50米,由于2.4GHz的无线传输容 易受到外界干扰,传输的可靠性或传输距离会受到一定的影响。-RF24L01特点: (1) 2.4Ghz 全球开放ISM 频段免许可证使用 (2) 最高工作速率2Mbps,高效GFSK调制,抗干扰能力强,特别 适合工业控制场合 (3) 126 频道,满足多点通信和跳频通信需要 (4) 内置硬件CRC 检错和点对多点通信地址控制 (5) 低功耗1.9- 3.6V 工作,待机模式下状态为22uA;掉电模 式下为900nA (6) 模块可软件设地址,只有收到本机地址时才会输出数据(提供中断指示),可直接接各种单片机使用,软件编程非常方便 (7) 内置专门稳压电路,使用各种电源包括DC/DC 开关电源均有 很好的通信效果 (8) 标准 5*2 DIP间距接口,便于嵌入式应用 (9) 工 作 于 Enhanced ShockBurst 具 有 Automatic packet handling, Auto packet transaction handling,具有可选的内 置包应答机制,极大的降低丢包率。 (10) RF24L01SE配外置天线空旷地传输距离可达100米, RF24L01B空旷地传输距离约30-50米,由于2.4GHz的无线传输容 易受到外界干扰,传输的可靠性或传输距离会受到一定的影响。
Update : 2024-05-16 Size : 319488 Publisher : hyqzh

SCMRF905
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NRF905无线模块特点: (1) 433Mhz 开放ISM 频段免许可证使用(2) 最高工作速率50kbps,高效GFSK调制,抗干扰能力强,特别适 合工业控制场合 (3) 125 频道,满足多点通信和跳频通信需要 (4) 内置硬件CRC 检错和点对多点通信地址控制 (5) 低功耗1.9 - 3.6V 工作,待机模式下状态仅为2.5uA (6) 收发模式切换时间 < 650us (7) 模块可软件设地址,只有收到本机地址时才会输出数据(提供 中断指示),可直接接各种单片机使用,软件编程非常方便 (8) TX Mode: 在+10dBm情况下,电流为30mA RX Mode: 12.2mA (9) 标准DIP间距接口,便于嵌入式应用 (10)配有多款分别基于51,AVR,MSP430,ARM7等的多款无线开发套 件,含丰富实例源程序,帮助工程师尽快完成无线应用开发。 -NRF905无线模块特点: (1) 433Mhz 开放ISM 频段免许可证使用(2) 最高工作速率50kbps,高效GFSK调制,抗干扰能力强,特别适 合工业控制场合 (3) 125 频道,满足多点通信和跳频通信需要 (4) 内置硬件CRC 检错和点对多点通信地址控制 (5) 低功耗1.9- 3.6V 工作,待机模式下状态仅为2.5uA (6) 收发模式切换时间 < 650us (7) 模块可软件设地址,只有收到本机地址时才会输出数据(提供 中断指示),可直接接各种单片机使用,软件编程非常方便 (8) TX Mode: 在+10dBm情况下,电流为30mA RX Mode: 12.2mA (9) 标准DIP间距接口,便于嵌入式应用 (10)配有多款分别基于51,AVR,MSP430,ARM7等的多款无线开发套 件,含丰富实例源程序,帮助工程师尽快完成无线应用开发。
Update : 2024-05-16 Size : 492544 Publisher : hyqzh

SCMA7105
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A7105 -2.4GHz 无线收发芯片-A7105 2.4G FSK/GFSK Transceiver
Update : 2024-05-16 Size : 1282048 Publisher : Mike

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51单片机开发的NRF24l01 产品性能: 1) 2.4GHZ全球开放ISM频段免许可使用 2) 最高工作速率1Mbps,GFSK高效调制 3) 125个频道满足多点通讯和跳频通讯需求 4) 1.9-3.6V工作,低功耗,待机模式仅1uA. 5) 双通道数据接收,内置环行天线,体积仅17*34mm,通信距离在100m之内,软件编简单。 7) 内置硬件8/16位CRC校验,收发中断标志,每次可发28字节 备注:1。免费提供开发源代码 2。提供全面技术支持和即使方案 3。任何单片机都可实现对NRF系列模块的数据收发控制, -51 Single Chip NRF24l01 product performance: 1) 2.4GHZ ISM band global open free license to use 2) The maximum operating rate of 1Mbps, GFSK modulation and efficient 3) 125 multi-channel communication and frequency hopping to meet the communications needs 4) 1.9-3.6V work , low-power, standby mode only 1uA. 5) dual-channel data reception, built-in loop antenna, the volume is only 17* 34mm, communication within a distance of 100m, the software code simple. 7) Built-in hardware, 8/16 bit CRC check, send and receive interrupt flag, made of 28 bytes each time Notes: 1. Free open source 2. Provide comprehensive technical support and even if the program 3. NRF can achieve any microcontroller series module data transceiver control
Update : 2024-05-16 Size : 7168 Publisher : 古是

Si4313 是 Silicon lab 最新的高灵敏(-118dBm)ISM接收芯片,支持GFSK, FSK和OOK,工作频率240–960 MHz。本例程基于Silicon lab 的演示程序“RKE_demo”,主要的改进有: 取消LCD和USART接口,只保留与接收芯片有关的部分 改进接收状态机逻辑,大大提过了可靠性,原演示程序经常丢包 适用于SI4311和SI4312芯片-Si4313 Silicon lab is the latest high sensitivity (-118dBm) ISM receiver chip, GFSK, FSK and OOK, operating frequency of 240-960 MHz. This routine is based on Silicon lab demonstration program " RKE_demo" , the main improvements are: the abolition of LCD and USART interfaces, retaining only the relevant part of the receiver chip improve the receive state machine logic, greatly raised the reliability, the original demo program often packet loss for SI4311 and SI4312 chip
Update : 2024-05-16 Size : 34816 Publisher : Ma Yuan

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用单片机SCM实现的TI CC2400/1100/2500无线收发发c代码,空旷距离300米有效 ,FSK/GFSK调制,2.4G频段 -SCM SCM TI CC2400/1100/2500 wireless transceiver hair c code, open distance of 300 meters, the FSK/GFSK modulation, the 2.4G band
Update : 2024-05-16 Size : 16384 Publisher : 设施

SCMBK2411
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BK2411/BK2412 2.4G FSK/GFSK收发芯片-BK2411/BK2412 Preliminary Specifications 2.4-GHz FSK/GFSK Transceiver IC
Update : 2024-05-16 Size : 472064 Publisher : 阿光

单片机PIC16F1947+RFIC SI4463+LCD显示 的数字无线对讲机 控制程序 频率 915MHZ 输出 20DB 波特率50Kbps GFSK 调制幅度25KHZ-SCM PIC16F1947+RFIC SI4463+LCD display digital wireless radio frequency 915MHZ Output 20DB control program baud rate 50Kbps GFSK modulation amplitude 25KHZ
Update : 2024-05-16 Size : 3703808 Publisher : 李明灯

Bit Error Rate for GFSK modulation in AGWN channel
Update : 2024-05-16 Size : 279552 Publisher : said

程序的功能: STM32实现的SI4463程序代码, 是2GFSK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,可以根据信号强度做一些声音报警。 STM32实现SI4432通信,是GFSK调制,频率433MHz,功率20dBm,已经最大。 实现功能:主机通过发送指令给从机,从机收到数据以后,采集温湿度,然后再发给主机, 主机把温湿度显示在PC的界面上,并绘制曲线。从机还有保存温湿度的能力。 -It is very good code.
Update : 2024-05-16 Size : 269312 Publisher : LiXiuRong

It s bluetooth main is gfsk algorithm
Update : 2024-05-16 Size : 1469440 Publisher : wlddhk

利用Matlab编程模擬实现,藍芽GFSK調變解調,希望供大家参考学习-Matlab simulation programming, Bluetooth GFSK modulation and demodulation and hope for your consideration study
Update : 2024-05-16 Size : 77824 Publisher : 陈小文

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台湾人写的GFSK调制和解调,非常清晰,便于学习-Taiwanese write GFSK modulation and demodulation, very clear, easy to learn
Update : 2024-05-16 Size : 80896 Publisher : W

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ADF7242:低功耗IEEE 802.15.4/专有GFSK/FSK零中频2.4 GHZ收发器IC(中文版PDF, 1,462 KB)-ADF7242: Low-power IEEE 802.15.4/proprietary GFSK/FSK 2.4 GHZ zero-IF transceiver IC (Chinese version of the PDF, 1,462 KB)
Update : 2024-05-16 Size : 573440 Publisher : 张艺兴

Simulink® and Stateflow® model of a full duplex Bluetooth communication link transmitting HV1, HV2, HV3, and SCORT [1] voice packets, and DM1 data packets. A system parameters block configures the whole model s packet type, slot pair and channel type. Stateflow is used to implement the acknowledgement scheme for the data packets and the SCORT receiver state machine. NOTE: A version of this model which works with the current release of MATLAB and Simulink is shipped with the Communications Blockset™ . The model includes wave file I/O, CVSD speech coding, HEC, payload CRC for DM1, FEC, framing, GFSK Modulation, frequency hopping, hop sequence generation, an 802.11b interferer, BER meters, throughput meters, plus spectrum, timing and spectrogram plot (which can be turned-off).-Simulink® and Stateflow® model of a full duplex Bluetooth communication link transmitting HV1, HV2, HV3, and SCORT [1] voice packets, and DM1 data packets. A system parameters block configures the whole model s packet type, slot pair and channel type. Stateflow is used to implement the acknowledgement scheme for the data packets and the SCORT receiver state machine. NOTE: A version of this model which works with the current release of MATLAB and Simulink is shipped with the Communications Blockset™ . The model includes wave file I/O, CVSD speech coding, HEC, payload CRC for DM1, FEC, framing, GFSK Modulation, frequency hopping, hop sequence generation, an 802.11b interferer, BER meters, throughput meters, plus spectrum, timing and spectrogram plot (which can be turned-off).
Update : 2024-05-16 Size : 258048 Publisher : ALDEE

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在MATLAB上实现GMSK/GFSK调制解调,能输出频率轨迹和相位轨迹图,以及调制解调的频谱图-Achieve GMSK/GFSK modem on MATLAB, the output frequency can track and phase trajectories, and spectrum modulation and demodulation
Update : 2024-05-16 Size : 2048 Publisher : 杀毒风扇皮带

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Low cost single-chip 2.4GHz GFSK RF transceiver IC
Update : 2024-05-16 Size : 10240 Publisher : heydari
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