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[android开发] bluetoothgatt
说明:用Android Studio编写的基于蓝牙BleGatt协议的app上位机程序,并且可以接收单片机传来的书据进行绘图,适合大家用于做无线蓝牙数据控制,和无线蓝牙绘制数据图。(App Bluetooth PC program based on BleGatt protocol with Android Studio to write, and can receive from SCM books according to the drawing, suitable for everyone to<我说要有光 > 在 2025-06-14 上传 | 大小:205kb | 下载:0
[通讯/手机编程] GSM七号信令系统.DOC
说明:SS7信令系统协议,电信七号信令详解指南 -中通网通信教程大全(so important for SS7)<chanchucknan > 在 2025-06-14 上传 | 大小:645kb | 下载:0
[通讯/手机编程] Analog Transmission of Digital Data
说明:Analog transmission. Analog transmission is a transmission method of conveying voice, data, image, signal or video information using a continuous signal which varies in amplitude, phase, or some other property in proportion to that of a variable. ...<khang > 在 2025-06-14 上传 | 大小:602kb | 下载:0
[通讯/手机编程] BPSK Modulation and Demodulation
说明:In this LAB, it will simulate a basic BPSK transmission system and demonstrate the transmission of text data over a noisy channel with different noise levels. The basic components of the simulated system are illustrated in the following figure. The<khang > 在 2025-06-14 上传 | 大小:632kb | 下载:0
[通讯/手机编程] Design of Digital Simulation system for QAM
说明:The digital simulation system using MATLAB to illustrate the Quadrature Amplitude Modulation (QAM). QAM is a modulation scheme to convey two digital bit streams which can be converted to symbol signals by modulating the amplitudes and the phase of<khang > 在 2025-06-14 上传 | 大小:697kb | 下载:0
[通讯/手机编程] Lab #5 -Digital Modulation
说明:Basic understanding of digital modulation concepts and associated characterization methods (such as eye diagrams and constellation diagrams). The use of Sigma-Delta techniques to achieve a 2-bit/symbol data stream from a 16-bit input data stream.<khang > 在 2025-06-14 上传 | 大小:568kb | 下载:0