[导读]GPS L1 C/A信号（1575.42 MHz，BPSK调制，1.023 MHz码率）是软件定义无线电（SDR）入门经典案例。借助RTL-SDR / HackRF / USRP + GNURadio或Python，可完成从原始IQ到NMEA语句的完整处理链路。本文聚焦工程实现要点。 GPS L1 C/A信号（1575.42 MHz，BPSK调制，1.023 MHz码率）是软件 ...

[导读]在工业设备预测性维护中，振动信号分析是诊断轴承、齿轮、电机等旋转部件故障的核心技术。通过快速傅里叶变换（FFT）将时域振动信号转换为频域频谱，可精准识别设备异常特征频率，实现故障早期预警。本文以滚动轴承为例，解析FFT分析流程与频谱 ...

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DIFFT is an open-source collection of implementations for the Double-Interpolation FFT method proposed in the paper "An Improved Accuracy Harmonic Extraction Method for Microcontrollers" (Tian & Zhang ...

We introduce an open-source Python package for the analysis of large-scale electrophysiological data, named SyNCoPy, which stands for Systems Neuroscience Computing in Python. The package includes ...

信息技术的不断发展促使虚拟仿真技术在高校实验课程中的应用更加广泛[1]，特别是在疫情期间，传统的实验设备无法满足线上教学的需求，积极开展线上线下相结合的现代化信息化实验教学模式，有助于促进实验教学内容和质量的提升。 通信原理实验是学生 ...

Millimeter-wave Frequency-Modulated Continuous-Wave (FMCW) radar works by emitting and detecting radio frequency (RF) electromagnetic waves. Due to its unique properties, this technology offers ...

In addition to the Python module, which could be imported and used directly from another Python code, there is a command line interface available (cli.py). Type ...