在每个频道中,组合视频信号被当作调幅(AM)信号传输,声音信号作为FM(调频)信号传输。
The composite video signal is transmitted as an AM signal and the sound as an FM signal on these channels.
印版还具备锐利的细节,无论是调频或调幅加网都有极好的表现。
A printing plate comes with sharp detail , whether it's FM or am screening has excellent performance.
为什么在隧道中调频广播比调幅广播的信号要好一点?
液压激振器由于具有无级调频、调幅和操作方便等优点而在许多工程机械中得到广泛应用。
Because of stepless frequency modulation and amplitude modulation and operating with facility, hydraulic vibrators are being used widely in a lot of engineering machines.
实现信号的调制解调功能,包括各类调制如ask(调幅),PSK(调相),FSK(调频)。
Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM).
凡世通的声音是第一个商业电台节目,同时进行调幅和调频的广播电台。
The Voice of Firestone was the first commercial radio program to be carried simultaneously on both am and FM radio stations.
系统采用自动增益控制电路,并运用DDS技术实现调频、调幅,ASK、PSK等功能。
The system adopts AGC circuit, uses DDS technology to realize such functions as frequency modulation, amplitude modulation, ASK, PSK, etc.
本文从能量角度入手,利用调频-调幅模型和共振峰特征,滤除混叠在有用语音中的含绝大部分能量的元音干扰。
In this paper, we start from the energy point of view, use AM-FM modulation model and formant frequency, to remove the vocalic interference which vast majority of energy in the useful speech.
振荡源的调频调幅噪声是一项重要的技术指标。
FM and AM noise of the oscillator is one of the important specifications.
另外,概述了光纤有线电视传输,从传输的观点分析了调频制和调幅制的信噪比。
In addition, this paper analyses the signal-to-noise ratio for AM and FM format in TV transmission on optical fiber.
文中在校准应用研究中采用田口方法,根据数字信号源的频率、调幅及调频试验典型值推导出全量程校准公式。
The Taguchi method is studied to derive calibration formulae of frequency and amplitude modulation of digital signal generator in whole range in this paper.
本文在分析了几种SPWM调制方法的基础上,将基于对称采样法的SPWM调制算法应用于本设计中,产生了可调频调幅的正弦波脉宽调制信号。
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.
选择:2唱机,唱机1,调频,调幅,胶带,辅助。
调频比调幅更适合于传送立体声、电视节目的伴音信号。
FM is also better able to transmit sounds in stereo than AM.
二进制调幅的误差概率比二进制调频至少大五倍。
The error probability of binary AM is greater than of binary FM by a factor of at least 6.
研究表明,采用伪随机函数,对分色后的图象文件进行调频加网,再经现有的调幅加网RIP,可实现图象的调频加网输出;
Research results show that by using the pseudo random function and RIP for AM screening, the image of separate color can be input in the form of FM screening.
激励电流控制电路产生激励线圈的脉冲电流,并对脉冲电流进行调频和调幅控制。
The exciting current control circuit also can modulate frequency and modulate amplitude for the pulsed current.
二进制调幅的误差概率比二进制调频至少大五倍。
The error probability of binary AM is greater than for binary FM by a factor of at least 6.
本文利用抽样理论分析了调幅调频脉冲响应抽样的方法及其精度。
This paper analyses sampling method and sampling precision of complex impulse response by sampling theory.
我还想指出,(上)有调幅-调频立体声收音机。
I should (also) point out (that) an AM-FM stereo radio is included.
利用了调幅、调频加网各自的优势,改善了调幅与调频半色调之间的过渡,实现了在较低分辨率的设备上得出高精度的输出图像。
The algorithm efficiently improves the transition area between AM and FM halftoning. Besides, the precision of the output image was realized on low precision equipment.
通信仿真平台的任务是对调幅、调频、单边带、二进制振幅键控、二进制频移键控、二进制相移键控、正交相移键控等七种通信信号的调制和解调进行建模和计算。
The target of the communication system flat is modeling and calculating to modulation and demodulation of seven kinds of signals:AM, FM, SSB, 2ASK, 2FSK, 2PSK, 2QPSK.
从分立元件组成的收音机到由集成电路组成的收音机,从普通的调幅收音机到高级调频收音机。
From discrete components radio to consist of Integrated Circuits radio, from the ordinary to the senior FM radio AM FM radio.
二进制调幅的误差概率比二进制调频至少大5倍。
The error probability of the equipment was reduced by2.5 times through technical innovation.
二进制调幅的误差概率比二进制调频至少大5倍。
The error probability of the equipment was reduced by2.5 times through technical innovation.
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