three-position signal

An Analysis of the Three Dimensional Spectrum of Multiple Sub Nyquist Sampled Television Signal by Two Dimensional DFT

用二维DFT分析多重亚取样电视信号的三维谱

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To use two horizontal loopers among three rolling mills in small section continuous finishing mill unit and to adjust the rotation rate of electric motor through adjusting signal using PLC realize tension free rolling.

在小型精连轧机组三架轧机之间采用两架平活套器，通过PLC进行信号处理来调节电机转速，实现无张力轧制。

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A three beam laser scattering system for simultaneously measuring the size distribution and velocity of particle is proposed in the paper. The constitution, measuring principle, signal sampling and data processing of the system are described.

提出了同时测量粒子尺寸和速度的三光束激光散射系统，叙述了系统的组成、测量原理、以及信号采集和数据处理。

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Based on three primary color laser as light source, Laser TV controls laser images projected onto the screen using the television signal.

激光电视是以三基色激光为光源，使用电视信号控制激光，将图像投射到屏幕上。

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There is a serious requirement for phase consistency of T/ R model from active phase control array radar. The test for pulse signal phase is comparatively complicated. Three phase test methods for the microwave pulse power amplifier are presented in this paper.

有源相控阵雷达对T/R组件相位一致性有严格的要求，脉冲信号相位的测试比较复杂，本文提出了三种微波脉冲功率放大器相位的测试方法。

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