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    • 102. 发明授权
    • Amplification control device, test signal generation module, test device, amplification control method, program, and recording medium
    • 放大控制装置,测试信号产生模块,测试装置,放大控制方法,程序和记录介质
    • US07973599B2
    • 2011-07-05
    • US12523395
    • 2008-01-24
    • Satoshi Takahashi
    • Satoshi Takahashi
    • H03G3/20
    • H03G3/001H03G3/20H03G3/3036H03G3/3052
    • An amplification control device for controlling a variable-gain amplifier the amplification factor of which is controlled based on an analog control signal, and which amplifies an analog input signal and outputs an analog output signal, includes component acquisition means that transforms, by the discrete Fourier transform, a digital output signal converted from the analog output signal into digital form by an A/D converter, thereby acquiring a desired frequency component of the digital output signal, differentiating means that acquires a difference between the electric power of the frequency component acquired by the component acquisition means and a target value of the electric power of the frequency component, and digital control signal output means that outputs a digital control signal, based on the difference acquired by the differentiating means, for controlling the amplification factor of the variable-gain amplifier, in which the analog control signal is obtained by converting the digital control signal into analog form by the D/A converter.
    • 一种放大控制装置,用于控制其放大系数基于模拟控制信号控制的放大因子并放大模拟输入信号并输出​​模拟输出信号的可变增益放大器包括分量获取装置,其通过离散付里叶变换 通过A / D转换器将从模拟输出信号转换成数字形式的数字输出信号变换,从而获取数字输出信号的期望频率分量;微分装置,获取通过以下方式获得的频率分量的电功率之间的差: 分量获取装置和频率分量的电力的目标值,以及数字控制信号输出装置,其基于由微分装置获取的差值输出数字控制信号,以控制可变增益的放大系数 放大器,其中通过转换t获得模拟控制信号 他通过D / A转换器将数字控制信号转换为模拟形式。
    • 105. 发明授权
    • Wave detection device, method, program, and recording medium
    • 波检测装置,方法,程序和记录介质
    • US07783456B2
    • 2010-08-24
    • US10549319
    • 2004-03-16
    • Satoshi Takahashi
    • Satoshi Takahashi
    • G01R23/00
    • G01R27/28
    • It is possible to detect a reception signal at a high speed. A wave detection device includes: a first signal output unit for outputting a first signal s[n] which is a sum of a digital input signal subjected to A/D conversion and an output from a feedback signal output section; a second signal output unit for outputting a second signal s[n−1] which is the first signal s[n] delayed by one sampling timing; and a feedback signal output section for subjecting the second signal s[n−1] to a predetermined calculation. When n=N−1, a frequency region conversion section reads out the first signal s[N−1] and the second signal s[N−2] from registers and subjects them to a predetermined calculation, thereby obtaining the input signal subjected to DFT. Since the wave detection device has a simple configuration, it is possible to rapidly detect the reception signal which is an input signal of the wave detection device.
    • 可以高速地检测接收信号。 波检测装置包括:第一信号输出单元,用于输出作为经过A / D转换的数字输入信号与来自反馈信号输出部分的输出的和的第一信号s [n] 第二信号输出单元,用于输出延迟了一个采样定时的第一信号s [n]的第二信号s [n-1] 以及反馈信号输出部分,用于对第二信号s [n-1]进行预定的计算。 当n = N-1时,频率区域转换部从寄存器读出第一信号s [N-1]和第二信号s [N-2],并将它们进行预定的计算,从而获得经受 DFT。 由于波检测装置具有简单的结构,因此可以快速检测作为波检测装置的输入信号的接收信号。
    • 107. 发明申请
    • NETWORK DEVICE VERIFYING APPARATUS
    • 网络设备验证设备
    • US20090135725A1
    • 2009-05-28
    • US12096676
    • 2006-12-15
    • Kimie TanakaSatoshi Takahashi
    • Kimie TanakaSatoshi Takahashi
    • H04L12/26
    • H04L43/50H04L63/0428H04L63/08H04L69/14H04L69/18
    • In a reception verifying mode, a data transmitting section (106S) transmits prescribed data through a transmission interface (101S), and a controller (102) exchanges prescribed information and verifies an operation status of a device (21) to be verified through the transmission interface. In a transmission verifying mode, a data receiving section (106R) receives prescribed data through a reception interface (101R), and the controller exchanges prescribed information and verifies an operation status of a device to be verified through a reception interface. In a transmission/reception verifying mode, the data transmitting section transmits prescribed data through the transmission interface, and the controller exchanges prescribed information and verifies receiving operation of a device to be verified through the transmission interface. Moreover, the data receiving section receives prescribed data through the reception interface, and the controller exchanges prescribed information and verifies transmitting operation of the device to be verified through the reception interface.
    • 在接收验证模式中,数据发送部(106S)通过发送接口(101S)发送规定的数据,控制器(102)交换规定的信息,并通过发送来验证要被验证的设备(21)的操作状态 接口。 在发送验证模式中,数据接收部(106R)通过接收接口(101R)接收规定的数据,并且控制器交换规定的信息,并且通过接收接口来验证要被验证的设备的操作状态。 在发送/接收验证模式中,数据发送部通过发送接口发送规定的数据,并且控制器交换规定的信息,并通过发送接口来验证要被验证的设备的接收操作。 此外,数据接收部分通过接收接口接收规定的数据,并且控制器交换规定的信息,并通过接收接口验证待验证的设备的发送操作。