说明：这是单边带调制源码，求消息信号和已调信号的频谱。
This is a single sideband modulation source, for the signal and the signal has been modulated spectrum.
在公司实体购买药物之前，你应该确定药物调制的特定场所是有满意检查结果的已注册的外包场所。
Before purchasing drugs from a corporate entity, you should determine that the specific facility in which the drugs are compounded is a registered outsourcing facility with a satisfactory inspection.
用射频频谱分析仪观测一个已调波的频谱成分，记录上边带或下边带中各条谱线的幅度值，从而可以根据有关算式计算出调制信号（音频信号）的失真度。
Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.
PWM调制技术已广泛应用于电力电子技术中，但PWM调制信号含有大量的高次谐波，成为产生emi的主要原因之一。
Though PWM modulation technology has already been used in power converter abroad, it becomes a main reason which can produces EMI because PWM modulation signal contains abundant high harmonic.
他已学会调制各种饮料，并用好玻璃杯盛着冰凉的饮料供应客人。
He had learned to mix all sorts of drinks and serve them frosty and cold in good glasses.
调制解调器的已调信号通过VHF通信系统进行二次调制，通过VHF通信系统的信道实现数据通信。
Modem signals will be transferred through the VHF communications system has a second modulation, through VHF communication system access to data communications.
信源编码，信道编码是DSP在通信信号处理中的传统经典应用，而如今DSP已深入射频调制部分。
Traditionally, DSP only concerns in source coding as well as channel coding, but today, it begins to set foot in radio frequency modulation field.
给出用光谱分辨的二次谐波自相关法测量输出脉冲的结果，证实在锁模脉冲中已发生频率调制。
The results of the spectrum-resolved SHG correlation measurements of the mode-locked pulses also are presented, which confirmed the presence of frequency chirping in the pulses.
的数字信号调制类型的自动识别已应用在许多领域，包括电子战，监视和威胁分析。
Automatic identification of the digital modulation type of a signal has found applications in many areas, including electronic warfare, surveillance and threat analysis.
线性调频信号作为一种典型的脉压信号，同时也是超宽带雷达调制波形中的一种，其产生和接收处理已具备了较为成熟的理论研究。
LFM signal is a classic pulse compression signal and it is one of the ultra-wideband radar waveforms, there is sophisticated theoretical basis of its generating, receiving and processing.
线性调频信号作为一种典型的脉压信号，同时也是超宽带雷达调制波形中的一种，其产生和接收处理已具备了较为成熟的理论研究。
LFM signal is a classic pulse compression signal and it is one of the ultra-wideband radar waveforms, there is sophisticated theoretical basis of its generating, receiving and processing.
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