Spread spectrum signal demodulation method and apparatus
    11.
    发明授权
    Spread spectrum signal demodulation method and apparatus 有权
    扩频信号解调方法及装置

    公开(公告)号:US07231095B2

    公开(公告)日:2007-06-12

    申请号:US10362070

    申请日:2002-06-24

    申请人: Katsuyuki Tanaka

    发明人: Katsuyuki Tanaka

    IPC分类号: G06K9/36 G06K9/46

    摘要: The present invention relates to a spread spectrum signal demodulating method whereby spread-code synchronous acquisition and carrier synchronous acquisition are performed using FFT at high speed, wherein a received signal, of which the carrier wave is modulated with a signal obtained by spectrum-spreading data with a spread code, is subjected to the FFT and the result of the FFT is stored in a first memory. The FFT result of the received signal stored in the first memory and the result of FFT of the spread code, the result being stored in a second memory, are read out and the results are multiplied to detect the correlation between the received signal and the spread code. During the detection of the correlation, a readout address of either the FFT result of the received signal or the FFT result of the spread code is shifted by an amount corresponding to a carrier frequency of the received signal and the result is read from the first or second memory. The result of the multiplication is subjected to inverse FFT, thus detecting the correlation point between the received signal and the spread code.

    摘要翻译: 扩展频谱信号解调方法技术领域本发明涉及一种扩频信号解调方法,其中利用高速FFT进行扩频码同步采集和载波同步采集,其中载波利用频谱扩展数据获得的信号进行调制的接收信号 利用扩展码进行FFT,并将FFT的结果存储在第一存储器中。 存储在第一存储器中的接收信号的FFT结果和扩展码的FFT结果被读出,结果被存储在第二存储器中,并且将结果相乘以检测接收信号与扩展码之间的相关性 码。 在相关检测期间,接收信号的FFT结果或扩展码的FFT结果的读出地址偏移与接收信号的载波频率对应的量,并从第一或 第二个记忆 对乘法的结果进行逆FFT,从而检测接收信号和扩展码之间的相关点。

    Information processing apparatus and method, information processing system, and medium
    12.
    发明授权
    Information processing apparatus and method, information processing system, and medium 失效
    信息处理装置和方法,信息处理系统和介质

    公开(公告)号:US07204410B2

    公开(公告)日:2007-04-17

    申请号:US11134738

    申请日:2005-05-20

    IPC分类号: G06F17/00 G06K5/00

    CPC分类号: G06K7/10356 G06K7/0008

    摘要: A structure of a system using an IC card is simplified. A controller and active antennas are connected to each other through a bus. The controller transmits a command outputted from a host computer and including an ID for discriminating the active antennas to all the active antennas connected to the bus. The respective active antennas judge whether or not the received command is directed to itself by checking the contained ID. In the case where it is judged that the command is directed to itself, transfer of data to the IC card is performed, and the result is transferred to the controller through the active antenna and the bus.

    摘要翻译: 使用IC卡的系统的结构简化。 控制器和有源天线通过总线相互连接。 控制器发送从主计算机输出的命令,并且包括用于将有源天线识别到连接到总线的所有有源天线的ID。 相应的有源天线通过检查所包含的ID来判断所接收的命令是否被引导到自身。 在判定命令指向自身的情况下,执行数据到IC卡的传送,结果通过有源天线和总线传送到控制器。

    Network fault information management system in which fault nodes are displayed in tree form
    13.
    发明授权
    Network fault information management system in which fault nodes are displayed in tree form 失效
    以树形显示故障节点的网络故障信息管理系统

    公开(公告)号:US06499117B1

    公开(公告)日:2002-12-24

    申请号:US09480113

    申请日:2000-01-10

    申请人: Katsuyuki Tanaka

    发明人: Katsuyuki Tanaka

    IPC分类号: G06F1100

    CPC分类号: H04L41/0677 H04L41/0654

    摘要: A network fault managing system for a network including network elements as nodes includes a fault node indication data storage section, a fault indication data storage section, a flag, a fault node indication data processing section, a fault indication data processing section and an output unit. The fault node indication data storage section stores a fault node indication data set in which fault nodes are managed in a tree form. The fault node indication data processing section receives a fault association notice having a fault occurrence position identifier and a fault indication data, the fault occurrence position identifier indicating a fault node in which a fault has occurred, and the fault indication data indicating data associated with the fault, and determines whether a fault node indication data corresponding to the fault node specified by the fault occurrence position identifier of the fault association notice is present in the fault node indication data set. Also, the fault node indication data processing section generates the fault node indication data based on the fault occurrence position identifier to store in the fault node indication data set of the fault node indication data storage section, when the fault node indication data is not present in the fault node indication data set, and sets the flag.

    摘要翻译: 一种网络网络故障管理系统,包括网元作为节点,包括故障节点指示数据存储部分,故障指示数据存储部分,标志,故障指示数据处理部分,故障指示数据处理部分和输出单元 。 故障节点指示数据存储部存储以树形形式管理故障节点的故障节点指示数据集。 故障节点指示数据处理部接收具有故障发生位置识别符和故障指示数据的故障关联通知,故障发生位置标识符表示出现故障的故障节点,故障指示数据表示与 故障,并且确定与故障关联通知的故障发生位置标识符指定的故障节点相对应的故障节点指示数据是否存在于故障节点指示数据组中。 此外,当故障节点指示数据不存在时,故障节点指示数据处理部分基于故障发生位置标识符生成故障节点指示数据,以存储在故障节点指示数据存储部分的故障节点指示数据集中 故障节点指示数据组,并设置标志。

    Sound source searching device
    14.
    发明授权
    Sound source searching device 失效
    声源搜索装置

    公开(公告)号:US4594694A

    公开(公告)日:1986-06-10

    申请号:US528962

    申请日:1983-09-02

    IPC分类号: G01S3/80 G01S3/809 G01S5/20

    CPC分类号: G01S5/20

    摘要: A sound source searching device for searching an objective sound source out of a plurality of sound sources, is disclosed. The device comprises an intensity probe provided with one pair of microphones, pulse motors for rotating the probe on the horizontal and vertical planes, a computer for calculating acoustic intensity corresponding to the frequency of the objective sound source from the sound pressure signal generated by the intensity probe, an interface device provided with pulse motor driving circuits for driving the pulse motors in accordance with the instructions of the computer by predetermined angles and an indicator for indicating the direction in which the acoustic intensity is the minimum on the horizontal and the vertical planes, as the direction of the objective sound source.

    摘要翻译: 公开了一种用于从多个声源搜索目标声源的声源搜索装置。 该装置包括设置有一对麦克风的强度探针,用于在水平和垂直平面上旋转探针的脉冲电机,用于根据由强度产生的声压信号计算与目标声源的频率相对应的声强的计算机 探针,具有根据计算机的指令以预定角度驱动脉冲电机的脉冲电机驱动电路的接口装置和用于指示声强度在水平和垂直平面上最小的方向的指示器, 作为客观声源的方向。

    Gas sensor
    15.
    发明授权
    Gas sensor 失效
    气体传感器

    公开(公告)号:US4459577A

    公开(公告)日:1984-07-10

    申请号:US482239

    申请日:1983-04-05

    IPC分类号: F02D41/14 G01N27/12 H01L7/00

    CPC分类号: G01N27/12 F02D41/1455

    摘要: A combustion gas sensor and material therefore responsive to changes in the composition of ambient atmospheres wherein the sensing element includes SnO.sub.2 crystals having a means d of approximately 500-3200 .ANG. and having a surface area to mass ratio S of 1-8 m.sup.2 /g a process for making same. Preferably, the standard deviation of crystal size distribution is 0.2d.

    摘要翻译: 燃烧气体传感器和材料因此响应环境气氛组成的变化,其中感测元件包括SnO 2晶体,其具有大约500-3200安培的平均值并且具有1-8m 2 / ga的表面积质量比S 制作过程 优选地,晶体尺寸分布的标准偏差为0.2&upbar&d。

    Drive circuit for electroluminescent element
    16.
    发明授权
    Drive circuit for electroluminescent element 失效
    电致发光元件的驱动电路

    公开(公告)号:US4443741A

    公开(公告)日:1984-04-17

    申请号:US301944

    申请日:1981-09-14

    IPC分类号: H05B33/08 H05B37/02

    CPC分类号: H05B33/08 Y02B20/325

    摘要: A drive circuit for an electroluminescent (EL) element whose brightness can be changed by changing a voltage or the frequency of the voltage applied to the EL element and can be kept constant by keeping the current flowing through the EL element constant is disclosed. The drive circuit is provided with a drive power source whose output voltage or output voltage frequency is variable by a control signal. The output of the drive power source is supplied to the EL element. The current flowing through the EL element is detected by a current detecting element and a signal related to the detected current is applied as the control signal to the drive power source to subject the EL element to a constant-current drive.

    摘要翻译: 公开了一种用于电致发光(EL)元件的驱动电路,其亮度可以通过改变施加到EL元件的电压或频率来改变,并且可以通过保持流过EL元件的电流恒定而保持恒定。 驱动电路具有驱动电源,其输出电压或输出电压频率可由控制信号变化。 驱动电源的输出被提供给EL元件。 通过电流检测元件检测流过EL元件的电流,并将与检测到的电流相关的信号作为控制信号施加到驱动电源以使EL元件进行恒流驱动。

    Biological gas detection apparatus and biological gas detection method
    18.
    发明授权
    Biological gas detection apparatus and biological gas detection method 有权
    生物气体检测仪和生物气体检测方法

    公开(公告)号:US09410912B2

    公开(公告)日:2016-08-09

    申请号:US13978576

    申请日:2012-05-18

    摘要: A biological gas detection apparatus of an embodiment of the present invention includes: a sensor unit including plural types of gas sensors; a control unit of the sensor unit; a data recording unit; and a data analyzing unit, wherein the data recording unit includes a database on properties of sensitivities of the gas sensors for a single body of a desired gas component, a single body of an interference gas component, and a mixed gas of these that are included in the biological gas, and the data analyzing unit calculates concentration of the desired gas component based on sensitivities of the gas sensors output when detecting the biological gas and the database.

    摘要翻译: 本发明实施例的生物气体检测装置包括:传感器单元,包括多种类型的气体传感器; 传感器单元的控制单元; 数据记录单元; 数据分析单元,其中所述数据记录单元包括关于用于单个所需气体组分的气体传感器的敏感性,干扰气体组分的单体和它们的混合气体的特性的数据库 在生物气体中,并且数据分析单元在检测生物气体和数据库时,基于气体传感器输出的灵敏度来计算期望气体成分的浓度。

    Signal processing apparatus, information processing apparatus, signal processing method, data display method, and program
    19.
    发明授权
    Signal processing apparatus, information processing apparatus, signal processing method, data display method, and program 失效
    信号处理装置,信息处理装置,信号处理方法,数据显示方法和程序

    公开(公告)号:US08428108B2

    公开(公告)日:2013-04-23

    申请号:US12713715

    申请日:2010-02-26

    IPC分类号: H04B1/00

    CPC分类号: H04B1/7075 G01S19/23

    摘要: In a signal processing apparatus a synchronizer acquires synchronization with the spreading code of an intermediate frequency signal converted from a signal received from a satellite in a global positioning system. A demodulator then demodulates a message contained in the intermediate frequency signal. A measuring unit outputs a primary signal to a predetermined signal line, the primary signal expressing positioning results for the apparatus as measured on the basis of the demodulated message. A secondary signal output unit attaches a predetermined header to a secondary signal and outputs the result to the predetermined signal line, the secondary signal containing at least the intermediate frequency signal, or a signal generated from the intermediate frequency signal.

    摘要翻译: 在信号处理装置中,同步器获取与在全球定位系统中从卫星接收的信号转换的中频信号的扩展码的同步。 解调器然后解调包含在中频信号中的消息。 测量单元将主信号输出到预定信号线,该主信号表示基于解调消息测量的装置的定位结果。 次级信号输出单元将预定标题附加到辅助信号,并将结果输出到预定信号线,至少包含中频信号的二次信号或从中频信号产生的信号。

    Communication device, noise removing method, and program
    20.
    发明授权
    Communication device, noise removing method, and program 有权
    通信设备,噪声去除方法和程序

    公开(公告)号:US08243776B2

    公开(公告)日:2012-08-14

    申请号:US12392596

    申请日:2009-02-25

    IPC分类号: H04B1/00

    摘要: A communication device according to an embodiment of the present invention includes a communication antenna that receives a transmission signal where a spectrum spread signal subjected to a spectrum spread is modulated; an intermediate frequency converting unit that converts the transmission signal received by the communication antenna into an intermediate frequency signal having a predetermined frequency; an analog to digital converting unit that discretizes the intermediate frequency signal and outputs a discretization signal; a noise removing unit that detects a noise other than a normal thermal noise included in the discretization signal and removes the detected noise from the discretization signal; and a demodulating unit that demodulates the spectrum spread signal, based on the discretization signal that is output from the noise removing unit.

    摘要翻译: 根据本发明实施例的通信设备包括:通信天线,其接收经过频谱扩展的频谱扩展信号被调制的发送信号; 中频变换单元,其将由通信天线接收的发送信号转换为具有预定频率的中频信号; 模数转换单元,其离散中频信号并输出​​离散化信号; 噪声去除单元,其检测离散化信号中包括的正常热噪声以外的噪声,并从所述离散化信号中去除检测到的噪声; 以及解调单元,其基于从噪声去除单元输出的离散化信号来解调频谱扩展信号。