The method is based on AM-AM?AM-PM characteristics of a nonlinear power amplifier and application of band -pass nonlinearity theory and digital signal processing techniques.

根据功放的实测AM-AM、AM-PM特性，采用时域分析方法，并应用带通非线性理论和数字信号处理技术，分析了宽带数字调制信号激励下的射频功率放大器非线性失真特性。

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The gallery is open Monday through Friday, 9 am to 6 pm.

美术馆的开放时间为周一到周五，上午9点到下午6点。

《柯林斯英汉双解大词典》

Hours are Monday to Friday, 9 am to noon and 1：00 to 4：30 pm.

时间是从周一到周五，每天上午九点到正午，下午一点到四点半。

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Start your day early or late so that you miss most of the day-tripper crowds, which peak between 10 am and 4 pm.

BBC: Finding solitude in US national parks

We appreciated the reminders to move (multiple editors strapped one on and set it to 45-minute intervals during the hours of 8 AM to 7 PM), but rarely did it ever actually motivate us to get up from our desks.

ENGADGET: Jawbone Up review (2012): a reboot and a shot at redemption

Secure Freedom Radio is pre-recorded and airs week days at 9 PM on 1260 AM WRC in Washington, DC.

CENTERFORSECURITYPOLICY: UNESCO