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    • 2. 发明申请
    • AIR CONDITIONER
    • 冷气机
    • US20130067941A1
    • 2013-03-21
    • US13598073
    • 2012-08-29
    • Dong Gyu LeeHo YoonJae Hun ChoiTae Ha Jun
    • Dong Gyu LeeHo YoonJae Hun ChoiTae Ha Jun
    • F25B49/00
    • F24F11/006F24F11/30F24F11/46F24F11/49F24F11/61F24F11/62F24F11/63F24F11/66F24F11/88
    • An air conditioner having an indoor unit and an outdoor unit, at least one of which includes a communication unit, a switching unit turned on when communication lines are connected to the communication unit, turned off in a standby mode, and turned on when the standby mode is released, a voltage distribution unit distributing voltage applied to the communication unit when the switching unit is turned off, a voltage adjustment unit adjusting the voltage applied to the communication unit and transmitting the adjusted voltage to the communication unit, and a control unit turning the switching unit on when driving voltage is input to the control unit, turning the switching unit off when the at least one of the indoor unit and the outdoor unit enters the standby mode, and turning the switching unit on based on the voltage distributed by the voltage distribution unit in the standby mode.
    • 一种具有室内单元和室外单元的空调器,其中至少一个包括通信单元,当通信线路连接到通信单元时接通的切换单元在待机模式下被关闭,并且当待机 模式被释放,电压分配单元,当开关单元断开时分配施加到通信单元的电压;电压调节单元,调节施加到通信单元的电压并将调整的电压传送到通信单元;以及控制单元, 当驱动电压被输入到控制单元时,开关单元接通,当室内单元和室外单元中的至少一个进入待机模式时关闭开关单元,并且基于由 电压分配单元处于待机模式。
    • 3. 发明授权
    • Fourier transform-based phasor estimation method and apparatus capable of eliminating influence of exponentially decaying DC offsets
    • 能够消除指数衰减DC偏移影响的基于傅立叶变换的相量估计方法和装置
    • US08145443B2
    • 2012-03-27
    • US12423223
    • 2009-04-14
    • Sang Hee KangDong Gyu Lee
    • Sang Hee KangDong Gyu Lee
    • G01R23/16
    • G01R19/0015G01R15/18G01R31/024
    • Disclosed herein is a Fourier transform-based phasor estimation method and apparatus capable of eliminating the influence of exponentially decaying DC offsets. According to a Fourier transform-based phasor estimation method according to an embodiment of the present invention, an input signal is sampled, and samples of one-cycle data of the input signal are separated into at least two sample groups. A Discrete Fourier Transform (DFT) is performed on each of the sample groups. A DC offset included in the input signal is calculated on a basis of results of the DFT on each of the sample groups, and an error caused by the DC offset is calculated using the calculated DC offset. A phasor of a fundamental frequency component included in the input signal is estimated by eliminating the calculated error, caused by the DC offset, from the results of the DFT on the input signal.
    • 本文公开了一种能够消除指数衰减DC偏移影响的基于傅立叶变换的相量估计方法和装置。 根据本发明实施例的基于傅里叶变换的相量估计方法,对输入信号进行采样,将输入信号的一周期数据的采样分成至少两个采样组。 对每个样本组执行离散傅里叶变换(DFT)。 基于每个样本组上的DFT的结果计算输入信号中包括的DC偏移,并且使用计算的DC偏移计算由DC偏移引起的误差。 通过从输入信号的DFT的结果中消除由DC偏移引起的计算出的误差来估计包括在输入信号中的基频分量的相量。