pulse frequency modulation

  • 释义

    脉冲频率调制

数据更新时间:2026-04-19 18:31:04
1、

Pulse frequency modulation magnetic tape record type strong-motion instrument

脉冲调频式磁带记录强震仪

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2、

In the area of aerospace telemetry, Pulse Code Modulation/ Frequency Modulation ( PCM/ FM) system is one of the main plans in strategic weapons and rockets because of its high noise resistance, high flexibility.

在航天遥测领域中,PCM/FM传输体制抗噪声性能强、灵活性高,是国内外战略武器和火箭等的主要遥测手段。

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3、

The paper presents a novel ultra-audio frequency ( UAF) induction welding power based on ZCS-PWM ( Zero Current Switching-Pulse Width Modulation) technology.

介绍一种基于ZCS-PWM(零电流开关-脉宽调制)技术的新型超音频感应焊接电源。

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4、

A High-Efficiency Pulse Frequency Modulation Control Scheme

一种高效率的PFM控制策略

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5、

Pulse modulation uses a pulse sequence or a group of digital signal as the carrier wave, and sine wave modulation use high-frequency sin wave.

脉冲调制是用脉冲串或一组数字信号作为载波的调制方式,正弦波调制则是载波为高频正弦信号的调制方式。

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6、

The high frequency switch technology of large power is developed successfully by the perfect control of PWM ( Pulse Width Modulation) and ZCC ( Zero Current Control), ZVC ( Zero Voltage Control) in the unit.

通过PWM(脉宽调制)和ZCC(零电流控制)、ZVC(零电压控制)的完整控制,成功开发应用了大功率高频开关技术。

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7、

This paper analyzes the principle of time domain measurement function of high per-formance spectrum analyzer and its use in Amplitude modulation ( AM), Frequency modulation ( FM) and pulse modulation test.

本文分析了高性能频谱分析仪时域测量功能的原理,并给出其时域测量功能在调幅、调频、脉冲调制测试中的应用。

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8、

This paper simulates and analyses the torque pulsation because of the modulation frequency and speed variation under ambipolar pulse width modulation;

本文对双极性调制的无刷直流电动机仿真,分析了转速和调制频率对转矩影响;

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9、

Comparison of wakefield and relativistic effects on the self-phase modulation and frequency shift of intense laser pulse propagation

尾波场与相对论效应对激光脉冲自相位调制及频移影响的比较研究

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10、
11、

PWPF ( Pulse Width Pulse Frequency) modulation technique is applied to the terminal guidance law design problem of space kinetic killing vehicle ( KKV) interceptor.

应用PWPF(Pulse Width Pulse Frequency)调制技术研究空间动能拦截器的末制导律设计问题。

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