[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 ...

In a dramatic turn of events, 22 Popeyes restaurants that failed to find a bidder at bankruptcy auctions last week are expected to shut their doors. Tip culture is more confusing than ever. Here’s how ...

Casey Murphy has fanned his passion for finance through years of writing about active trading, technical analysis, market commentary, exchange-traded funds (ETFs), commodities, futures, options, and ...

The multi-billion dollar Fast and Furious franchise started rather humbly 25 years ago with The Fast and the Furious, an action film about illegal street racing, an undercover cop with a crush, and a ...

Catch up with Vin Diesel, Michelle Rodriguez, and the rest of the stars on the original film's 25th anniversary.

Do you find yourself wolfing down your meals in a hurry? You might want to slow down. Here’s why… When we’re in a rush, distracted by the TV or are thinking about our long to-do lists, most of us will ...