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    • 91. 发明授权
    • Range measurement apparatus and method using chaotic UWB wireless communication
    • 使用混沌UWB无线通信的距离测量装置和方法
    • US08175274B2
    • 2012-05-08
    • US12065124
    • 2006-05-25
    • Cheol-Hyo LeeJae-Young Kim
    • Cheol-Hyo LeeJae-Young Kim
    • H04L29/06
    • G01S13/0209G01S13/106G01S13/74G01S13/765H04L27/001
    • An apparatus for measuring a range based on a chaotic ultra wideband (UWB) wireless communication technology is disclosed. The Apparatus includes a chaotic signal generating/modulating unit, a transceiving unit, a detecting unit, a transform unit, a comparison unit, and a range measurement unit. The transform unit converts the analog voltage signal from the detecting unit into digital signals based on a first sampling period. The comparison unit compares the analog voltage signal from the detecting unit with a predetermined threshold value and to output a comparison signal. The range measurement unit is configured to calculate a time point corresponding to a leading edge, which is a moment when initial data of a packet payload arrive, by using the digital signals based on the threshold value and by using the comparison signal, and to perform a range measurement calculation based on the time point corresponding to the leading edge.
    • 公开了一种基于混沌超宽带(UWB)无线通信技术测量范围的装置。 该装置包括混沌信号生成/调制单元,收发单元,检测单元,变换单元,比较单元和范围测量单元。 变换单元基于第一采样周期将来自检测单元的模拟电压信号转换为数字信号。 比较单元将来自检测单元的模拟电压信号与预定阈值进行比较,并输出比较信号。 距离测量单元被配置为通过使用基于阈值的数字信号并通过使用比较信号来计算对应于前缘的时间点,该前沿是分组有效载荷的初始数据到达的时刻,并且执行 基于对应于前沿的时间点的距离测量计算。
    • 94. 发明申请
    • DISTANCE ESTIMATION APPARATUS, SYSTEM AND METHOD USING RANGING COUNTER
    • 距离估计装置,系统和使用范围计数器的方法
    • US20110268155A1
    • 2011-11-03
    • US12681008
    • 2008-07-16
    • Mi Kyung OhHong Soon NamJae Young Kim
    • Mi Kyung OhHong Soon NamJae Young Kim
    • H04B1/00
    • G01S11/08G01S13/76H04B1/7163
    • Provided is a distance estimation apparatus, system and method for accurately estimating the distance between TX/RX devices by means of low-end hardware in a communication system such as the IEEE 802.15.4a system. The distance estimation apparatus includes an analog-to-digital converter, a parallelizer, a parallel synchronization means, a counter, and a system clock generator. The analog-to-digital converter analog-to-digital converts a received packet signal to generate a serial digital signal, and the parallelizer 1:N parallelizes the serial digital signal. The parallel synchronization means includes an N number of buffers for receiving the output of the parallelizer. A counter outputs a count value for estimation of the propagation delay time of a UWB signal on the basis of the sampling data retained in the parallel synchronization means. The system clock generator generates a system clock in the distance estimation apparatus. Therefore, it is possible to accurately estimate the distance between the TX/RX devices by arithmetically calculating a received signal while operating a ranging counter with a low-rate system clock, thereby simplifying the hardware structure and minimizing power consumption.
    • 提供了一种距离估计装置,系统和方法,用于通过诸如IEEE 802.15.4a系统的通信系统中的低端硬件来精确地估计TX / RX设备之间的距离。 距离估计装置包括模数转换器,并行器,并行同步装置,计数器和系统时钟发生器。 模数转换器模数转换接收到的分组信号以产生串行数字信号,并行化器1:N并行串行数字信号。 并行同步装置包括用于接收并行化器的输出的N个缓冲器。 计数器基于保持在并行同步装置中的采样数据输出用于估计UWB信号的传播延迟时间的计数值。 系统时钟发生器在距离估计装置中产生系统时钟。 因此,通过在运行具有低速率系统时钟的测距计数器的同时计算接收信号,可以精确地估计TX / RX设备之间的距离,从而简化硬件结构并最大限度地降低功耗。
    • 95. 发明授权
    • Carrier frequency recovering apparatus using phase shift and method thereof
    • 使用相移的载波频率恢复装置及其方法
    • US08027414B2
    • 2011-09-27
    • US11691057
    • 2007-03-26
    • Jung-Yeol OhJae-Young KimByung-Jae Kwak
    • Jung-Yeol OhJae-Young KimByung-Jae Kwak
    • H04L27/06
    • H04L27/2071H04B1/7075H04B2001/70706H04L27/0014H04L27/2331H04L2027/0055H04L2027/0067
    • Provided is a carrier frequency recovering apparatus and method based on phase shift. The carrier frequency recovering apparatus can recover carrier frequency based on phase shift caused by a frequency offset to thereby perform demodulation without deterioration, no matter how large the frequency offset is, and minimize structural complexity, although a frequency offset tolerance range is higher than a symbol rate and a method thereof. The carrier frequency recovering apparatus includes a phase shift estimation part for estimating a phase shift value caused by a frequency offset based on a received preamble signal; a compensation part for compensating a receiving signal based on the estimated phase shift value obtained in the phase shift estimation part prior to differential decoding; and a detection part for detecting the compensated signal obtained in the compensation part.
    • 提供了一种基于相移的载波频率恢复装置和方法。 载波频率恢复装置可以基于由频率偏移引起的相移来恢复载波频率,从而尽管频率偏移容差范围高于符号,但是无论频率偏移多大,并且使结构复杂度最小化,进行解调而不劣化。 速率及其方法。 载波频率恢复装置包括:相移估计部,用于基于接收到的前导信号估计由频率偏移引起的相移值; 补偿部分,用于基于在差分解码之前在相移估计部分中获得的估计相移值来补偿接收信号; 以及用于检测在补偿部分中获得的补偿信号的检测部分。
    • 96. 发明申请
    • METHOD OF ANALYZING LOAD-SETTLEMENT CHARACTERISTICS OF TOP-BASE FOUNDATION
    • 分析基础基础荷载沉降特征的方法
    • US20110208445A1
    • 2011-08-25
    • US12954984
    • 2010-11-29
    • Sang Seom JEONGJae Young KimSoo Kwan Kim
    • Sang Seom JEONGJae Young KimSoo Kwan Kim
    • G06F19/00
    • E02D1/022
    • Disclosed herein is a method of analyzing load-settlement characteristics of a top-base foundation. The method includes the step of inputting properties of a material of a top base, a basic size of footing configuration, and a load of a structure, the step of inputting the kind of ground and a base ground thickness, the step of determining an influential depth and a load dispersion angle depending on the kind of ground, the step of inputting properties of the ground, the step of determining an immediate settlement amount of the ground, and the step of determining a total settlement amount. The method according to the present invention can precisely determine settlement taking into account footing configuration. Furthermore, the method calculates the settlement taking into account consolidation settlement when the ground is cohesive soil ground or top-cohesive-soil and bottom-sandy-soil ground. Thus, the settlement can be precisely determined.
    • 本文公开了一种分析顶基础基础的载荷沉降特性的方法。 该方法包括输入顶基材料的性质,基础构造的基本尺寸和结构的载荷,输入该种类的基底的步骤和基底厚度的步骤,确定有影响力的步骤 深度和负荷分散角度,以及确定总沉降量的步骤,根据地面的类型,输入地面的特性的步骤,确定地面的立即沉降量的步骤。 根据本发明的方法可以精确地确定考虑到基础配置的结算。 此外,该方法考虑到地面是粘性土壤或顶部粘性土壤和底层 - 沙土的地基时,考虑到固结沉降。 因此,可以精确确定结算。
    • 97. 发明授权
    • Seat having side airbag
    • 座椅有侧面安全气囊
    • US07950689B2
    • 2011-05-31
    • US11965461
    • 2007-12-27
    • Sang Ho KimGi Hyung NamChang Hwa JangJae Young Kim
    • Sang Ho KimGi Hyung NamChang Hwa JangJae Young Kim
    • B60R21/207
    • B60R21/207B60R2021/2076
    • A first exemplary seat with a side airbag disposed therein includes a front seat cover and a side seat cover. The seat covers are releasably attached together at a junction configured for the airbag to be deployed therethrough. The front seat cover is less stretchable than the side seat cover. A second exemplary seat with a side airbag disposed therein includes a front seat cover and a side seat cover. The seat covers are releasably attached together at a junction configured for the airbag to be deployed therethrough. The junction includes a first thread of the front seat cover, and a second thread of the second seat cover. The first thread is stronger than the second thread.
    • 安装有侧面安全气囊的第一示例性座椅包括前座椅护罩和侧座套。 座套可释放地连接在一起,构造成用于使安全气囊穿过其中的结。 前座椅护罩比侧座罩的伸缩性更小。 具有设置在其中的侧面安全气囊的第二示例性座椅包括前座椅护罩和侧座套。 座套可释放地连接在一起,构造成用于使安全气囊穿过其中的结。 接头包括前排座盖的第一螺纹和第二座盖的第二螺纹。 第一个线程比第二个线程更强。