Pulse Code Modulation(PCM)是一种基于时分复用的数字编码多路复用技术,它的中文名字为()。
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PCM(pulse code modulation),脉冲编码调制是实现()的最基本最常用的一种方法
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A rescuer can most easily determine whether or not an adult victim has a pulse by checking the pulse at the().
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The transmission time duration of a single pulse of radio-frequency energy is a function of the().
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Turbocharging of marine diesel engine is achieved by two distinct methods, () termed the constant pressure and the pulse system.
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One characteristic of a pulse type turbo-charging system is()
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1pps是1 pulse per se易ond秒脉冲的缩写表示。
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Radar bandwidth is normally()to the range scale and the associated pulse length.
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在无线电台中,Frequency Modulation缩写是FM,代表的是()
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1ppm是1 pulse per minute分脉冲的缩写表示。
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A pulse is applied to each input of a 2-inpput NOR gate. One pulse goes High at t=0 and goes back LOW at t=1ms.The other pulse goes HIGH at t=0.8ms, and goes back LOW at t=3 ms . Please describe the output pulse.
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PPS ( Pulse Per Second) refers to
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A function generator can generate a 1mV 1kHz pulse waveform.
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MPG (Manual Pulse Generator) refers to ______________?
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While modulation/demodulation technology was being standardized for the most recent modems, several other peripheral standards were also being developed.
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1、脉象的形成机理可概括为心动应脉、脉动应指及象由心成三个要点。 The formation mechanism of the pulse manifestation can be summarized as three key points: heart beats respond to the pulse, the pulsation can be felt by the finger, and the pulse manifestation is formed from the heart.
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IO指令中的PULSE指令用于产生脉冲,编程语句PULSE(15,2000)是()含义?
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将VV与VF集中于逆变器一起来完成的,即前面为不可控整流器,中间直流电压恒定,而后有逆变器既完成变频又完成变压。这种控制技术成为脉冲宽度调制(Pulse Width Modulation)方式,简称PWM方式。()
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The doctor had made checks of the patient ’ s __________ , pulse and blood pressure.
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5、如果新生儿的脉搏(pulse)阿普加分数是2,那么他的心率是______?
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How long should you palpate/auscultate the apical pulse for?
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5、“脉如断索”在中医作品中翻译为? A. Pulse is like a broken line B. pulse stoppage (填A或B即可)
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A pulse is applied to each input of a 2-input NOR gate. One pulse goes HIGH at t=0 and goes back LOW at t=1ms. The other pulse goes HIGH at t=0.8ms and goes back LOW at t=3ms. The output pulse can be
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If the baud rate is 1200 symbol per second and Quadrature Phase-shift Keying is used for modulation, please calculate the data rate:
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目前被广泛采用的ADSL调制技术有3种:QAM(quadature ampli-tude modulation)、CAP(carrierless amplitude-phase modulation) 、DMT(discrete multitone),其中()调制技术被ANSI标准化小组T1E4制订的国家标准所采用
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