• The input signal is pulse modulation.

    被测信号脉冲调制信号。

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  • Pulse modulation may be used to control a bias voltage and an ionization.

    脉冲调制可以用来控制电压电离

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  • The part of driving includes constant current control, constant power control and pulse modulation control.

    驱动部分又包括电流控制,恒功率控制脉冲调制控制三个方面。

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  • It is detailed to analyze two kinds of control strategy, -spwm and HCPM (Hysteresis Controlled Pulse Modulation).

    本文详细分析控制策略SPWM控制控制

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  • The laser pulse modulation system consists of cavity dumper driver, matching net and acoustooptic energy convertor.

    超短脉冲激光调制系统包括驱动器匹配网络声光换能器

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  • The laser pulse modulation system has been used in a picosecond time-correlated single photon counting spectrometer with perfect effect.

    激光脉冲调制系统已经应用时间相关光子计数光谱仪系统中,取得了比较理想的效果

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  • Through keyboard and code generation circuit, coding and pulse modulation vibration with infrared project to form infrared project circuit.

    通过键盘代码生成电路编码脉冲调制振荡红外发射构成红外发射电路。

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  • This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.

    利用平-凸透镜准直器作耦合光学系统,采用低频斩光器实现光调制。

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  • In electronic warfare, modern pulse compressed radar makes the simple deception jamming useless because of its complicated in-pulse modulation technology.

    电子战中,现代脉冲压缩雷达采用复杂调制技术使简单欺骗干扰难以奏效。

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  • Mud pulse modulation data flow is thin, but current transmitter as far distance transmission means has been widely applied other field, technology is mature.

    泥浆脉冲方法目前应用较多,数据流量稀疏,电流环技术作为远距离传输手段广泛的应用于其它领域,技术成熟。

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  • In this article several operation modes of the 555 timer applied to the pulse Modulation (PM) and their corresponding operation characteristics are expounded.

    本文阐述了555时基电路用于脉冲调制(PM)几种工作模式及其相应的工作特点

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  • The front stage uses the single-voltage-mode control strategy and the back stage uses the three states discrete pulse modulation hysteresis current control strategy.

    采用电压单环调制方式,级采用离散脉冲调制电流滞环跟踪控制技术。

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  • In accordance with the characteristics that resonant DC link inverter should adopt discrete pulse modulation, we propose a novel method of soft SPWM waveform synthesis.

    针对DC谐振直流环节逆变采用离散脉冲调制特点提出一种新型软化SPWM波形合成方法。文中给出了软化SPWM波形合成基本原理、合成方法及实现电路。

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  • The change of chlorophyll fluorescence in flag leaves of indica rice was analysed under light and temperature stress and during recovery by PAM pulse modulation fluoremeter.

    PAM脉冲调制荧光分析籼稻叶在光胁迫恢复期间荧光变化

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  • In pulse modulation identification is one of radar reconnaissance key technology. Especially, in pulse modulation identification under low SNR is a hot point of recent researching.

    调制类型识别雷达侦察关键技术之一特别是信噪比的脉内调制识别技术是当前研究热点

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  • It was introduced that the hardware structure and working principle of ASIC Z87200 of direct-sequence digital-pulse modulation and demodulation, which was produced by ZLOG TELECOM.

    介绍了ZLOG电信公司生产Z872 0 0直接系列数字脉冲调制解调芯片硬件结构及其工作原理

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  • The principle of impulse radio (IR), several kinds of pulse generators, pulse modulation and signal emission for UWB radio, as well as characteristics of UWB-IR are mainly presented and concluded.

    重点分析了脉冲无线电方式原理脉冲几种产生方法,调制发射以及脉冲信号的技术特点

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  • The audio data should be in a format understood by the headset (for example, A-law PCM [Pulse Code Modulation] format for the Sony headset).

    音频数据应当耳机可以理解格式(例如Sony耳机的a - law P CM [PulseCodemodulation]格式)。

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  • Pulse amplitude modulation (PAM) is one form of the ways, in which it is widely used in the system of communication and control.

    脉冲幅度调制波(PAM脉冲调制一种形式通信和控制系统得到广泛应用。

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  • High frequency pulse width modulation power control systems can be realized using semiconductor switches.

    高频脉冲宽度调制电力控制系统可以实现半导体开关

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  • It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection.

    包括霍尔元件输入整流控制序器、固定停机时间脉冲宽度调制(PWM)电流控制以及锁定转子保护。

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  • Pulse width modulation is widely used in voltage regulators.

    调制技术广泛应用于稳压器。

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  • In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.

    或者换话说,调制一种调制技术发电可变脉冲宽度代表幅值输入模拟信号波。

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  • In pulse code modulation, the representation of the quantized samples of an analogue signal by character signals according to a defined code.

    调制技术中,按照确定代码字符信号模拟信号量化采样表示法

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  • The electron heat transport is studied by analysis of observed cold pulse propagation during gas modulation in HL-2A ohmic discharge.

    利用调制送气过程中观察到的脉冲传播研究HL-2A装置欧姆放电条件下的电子输运

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  • Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).

    调制器一种能够产生周期固定占空(脉宽)可方波信号电路

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  • The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels.

    4D四个数据2比特),PAM5表示分5个层级的脉冲幅度调制

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  • The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels.

    4D四个数据2比特),PAM5表示分5个层级的脉冲幅度调制

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