公开(公告)号：US07863974B2

公开(公告)日：2011-01-04

申请号：US12350867

申请日：2009-01-08

申请人： Pengfei Zhang ,  Dawei Guo

发明人： Pengfei Zhang ,  Dawei Guo

IPC分类号： H03D3/00

CPC分类号： H03D3/004

摘要： A method and apparatus for demodulating an input signal in a selectable intermediate frequency system is disclosed. The apparatus includes a front end module, a filter, and a phase lock loop (PLL). The front end module mixes the input signal with an oscillating signal. The filter includes at least one characteristic that is selectable to configure an intermediate frequency. The PLL demodulates an output frequency based on the output of the filter.

摘要翻译： 公开了一种在可选择的中频系统中解调输入信号的方法和装置。 该装置包括前端模块，滤波器和锁相环（PLL）。 前端模块将输入信号与振荡信号混合。 滤波器包括至少一个可选择配置中频的特性。 PLL根据滤波器的输出解调输出频率。

公开(公告)号：US20100141336A1

公开(公告)日：2010-06-10

申请号：US12350867

申请日：2009-01-08

申请人： Pengfei Zhang ,  Dawei Guo

发明人： Pengfei Zhang ,  Dawei Guo

IPC分类号： H03D3/02

CPC分类号： H03D3/004

摘要： A method and apparatus for demodulating an input signal in a selectable intermediate frequency system is disclosed. The apparatus includes a front end module, a filter, and a phase lock loop (PLL). The front end module mixes the input signal with an oscillating signal. The filter includes at least one characteristic that is selectable to configure an intermediate frequency. The PLL demodulates an output frequency based on the output of the filter.

摘要翻译： 公开了一种在可选择的中频系统中解调输入信号的方法和装置。 该装置包括前端模块，滤波器和锁相环（PLL）。 前端模块将输入信号与振荡信号混合。 滤波器包括至少一个可选择配置中频的特性。 PLL根据滤波器的输出解调输出频率。

公开(公告)号：US08508293B2

公开(公告)日：2013-08-13

申请号：US13405632

申请日：2012-02-27

申请人： Jiazhou Liu ,  Dawei Guo ,  Yangeng Wang

发明人： Jiazhou Liu ,  Dawei Guo ,  Yangeng Wang

IPC分类号： H03K9/02

CPC分类号： H04L27/06 ,  H03D1/2272

摘要： An ASK demodulator comprises a rectification circuit which receives and rectifies an ASK signal to generate a rectified current; an active load circuit is coupled to the rectification circuit and receives the rectified current and present an impedance which is inversely proportional to at least a part of the rectified current when a frequency of a base band signal meets a preset condition; a comparator is coupled to the rectification circuit and the active load circuit and receives a reference voltage and a voltage generated based on, at least in part, the rectified current and the impedance, and compares the reference voltage and the generated voltage to generate a demodulated signal.

摘要翻译： ASK解调器包括整流电路，其接收并整流ASK信号以产生整流电流; 有源负载电路耦合到整流电路，并且当基带信号的频率满足预设条件时，接收整流电流并呈现与至少一部分整流电流成反比的阻抗; 比较器耦合到整流电路和有源负载电路，并且接收基准电压和至少部分地基于整流电流和阻抗产生的电压，并且比较参考电压和产生的电压以产生解调的 信号。

公开(公告)号：US20120166256A1

公开(公告)日：2012-06-28

申请号：US12981526

申请日：2010-12-30

申请人： Yanfeng Wang ,  Dawei Guo ,  Jiazhou Liu

发明人： Yanfeng Wang ,  Dawei Guo ,  Jiazhou Liu

IPC分类号： G07B15/00 ,  H04W4/04

CPC分类号： G07B15/063

摘要： A method comprises: disposing an on-board unit at a preset relative position with respect to a road-side unit; transmitting a signal by the road-side unit; receiving the signal by the on-board unit and detecting a strength of the received signal; calculating, by the on-board unit, a calculated strength of the received signal according to the detected strength of the received signal; storing the calculated strength of the received signal in a memory accessible by the on-board unit; using the stored calculated strength of the received signal to determine if payment of a toll should be made.

摘要翻译： 一种方法包括：将车载单元布置在相对于路侧单元的预设相对位置; 通过路侧单元发送信号; 通过机载单元接收信号并检测接收信号的强度; 根据检测到的接收信号的强度，由车载单元计算接收信号的计算强度; 将计算出的接收信号的强度存储在由板上单元访问的存储器中; 使用存储的所计算的接收信号的强度来确定是否应该支付费用。

公开(公告)号：US08014742B1

公开(公告)日：2011-09-06

申请号：US13092946

申请日：2011-04-24

申请人： Ronghui Kong ,  Dawei Guo

发明人： Ronghui Kong ,  Dawei Guo

IPC分类号： H04B17/00

CPC分类号： H04B17/318 ,  H04B17/21

摘要： This disclosure discloses methods and apparatus for calibrating received signal strength indicators.

摘要翻译： 本公开公开了用于校准接收信号强度指示符的方法和装置。

公开(公告)号：US20110201292A1

公开(公告)日：2011-08-18

申请号：US13092946

申请日：2011-04-24

申请人： Ronghui Kong ,  Dawei Guo

发明人： Ronghui Kong ,  Dawei Guo

IPC分类号： H04W24/00

CPC分类号： H04B17/318 ,  H04B17/21

摘要： This disclosure discloses methods and apparatus for calibrating received signal strength indicators.

公开(公告)号：US20120119799A1

公开(公告)日：2012-05-17

申请号：US12961514

申请日：2010-12-07

申请人： Jiazhou Liu ,  Dawei Guo

发明人： Jiazhou Liu ,  Dawei Guo

IPC分类号： H03L7/00

CPC分类号： H03K9/06 ,  G01R23/15 ,  G07C5/008

摘要： A wake-up circuit, comprising: a control signal generation circuit comprising: a pulse generator configured to receive a digital signal and generate a pulse sequence signal with a frequency thereof; a first comparison circuit and a second comparison circuit both coupled to the pulse generator and configured to receive the pulse sequence signal; the first comparison circuit is configured to compare the frequency of the pulse sequence signal with a first threshold frequency and generate a first control signal; the second comparison circuit is configured to compare the frequency of the pulse sequence signal with a second threshold frequency and generate a second control signal; the frequency detector further comprises: an indication generation circuit configured to generate a wake-up indication if the frequency of the pulse sequence signal falls within a frequency range defined by the first and second threshold frequencies.

摘要翻译： 一种唤醒电路，包括：控制信号产生电路，包括：脉冲发生器，被配置为接收数字信号并产生其频率的脉冲序列信号; 第一比较电路和第二比较电路，两者都耦合到脉冲发生器并被配置为接收脉冲序列信号; 第一比较电路被配置为将脉冲序列信号的频率与第一阈值频率进行比较，并产生第一控制信号; 第二比较电路被配置为将脉冲序列信号的频率与第二阈值频率进行比较，并产生第二控制信号; 频率检测器还包括：指示产生电路，被配置为如果脉冲序列信号的频率落在由第一和第二阈值频率限定的频率范围内，则产生唤醒指示。

公开(公告)号：US09266062B2

公开(公告)日：2016-02-23

申请号：US14235518

申请日：2012-07-27

申请人： Dawei Guo ,  Jiushun Zhang ,  Anguo Mao ,  Chaogang Xie ,  Jun Fu ,  Wei Wang ,  Jingchuan Yu

发明人： Dawei Guo ,  Jiushun Zhang ,  Anguo Mao ,  Chaogang Xie ,  Jun Fu ,  Wei Wang ,  Jingchuan Yu

IPC分类号： B01D53/86 ,  B01D53/50 ,  B01D53/56 ,  B01J23/10 ,  B01J23/63 ,  B01J23/83 ,  C01B17/04 ,  C10G11/18

CPC分类号： B01D53/8637 ,  B01D2251/20 ,  B01D2251/202 ,  B01D2251/204 ,  B01D2251/208 ,  B01D2255/10 ,  B01D2255/1021 ,  B01D2255/206 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/207 ,  B01D2255/20715 ,  B01D2255/20746 ,  B01D2255/20769 ,  B01D2255/2092 ,  B01D2255/9022 ,  B01D2255/904 ,  B01J23/10 ,  B01J23/63 ,  B01J23/83 ,  C01B17/0404 ,  C01B17/0434 ,  C01B17/0473 ,  C10G11/182 ,  Y02P20/129

摘要： The present invention discloses a method of removing sulfur oxides and/or nitrogen oxides in a regeneration flue gas emitted from a regenerator of a catalytic cracking plant and recovering the elemental sulfur and an apparatus therefor.

摘要翻译： 本发明公开了一种从催化裂化装置的再生器排出的再生烟气中除去硫氧化物和/或氮氧化物并回收元素硫的方法及其装置。

公开(公告)号：US20130182797A1

公开(公告)日：2013-07-18

申请号：US13405632

申请日：2012-02-27

申请人： Jiazhou Liu ,  Dawei Guo ,  Yangeng Wang

发明人： Jiazhou Liu ,  Dawei Guo ,  Yangeng Wang

IPC分类号： H04L27/06

CPC分类号： H04L27/06 ,  H03D1/2272

摘要： An ASK demodulator comprises a rectification circuit which receives and rectifies an ASK signal to generate a rectified current; an active load circuit is coupled to the rectification circuit and receives the rectified current and present an impedance which is inversely proportional to at least a part of the rectified current when a frequency of a base band signal meets a preset condition; a comparator is coupled to the rectification circuit and the active load circuit and receives a reference voltage and a voltage generated based on, at least in part, the rectified current and the impedance, and compares the reference voltage and the generated voltage to generate a demodulated signal.

摘要翻译： ASK解调器包括整流电路，其接收并整流ASK信号以产生整流电流; 有源负载电路耦合到整流电路，并且当基带信号的频率满足预设条件时，接收整流电流并呈现与至少一部分整流电流成反比的阻抗; 比较器耦合到整流电路和有源负载电路，并且接收基准电压和至少部分地基于整流电流和阻抗产生的电压，并且比较参考电压和产生的电压以产生解调的 信号。

公开(公告)号：US20130162363A1

公开(公告)日：2013-06-27

申请号：US13400129

申请日：2012-02-20

申请人： Peng Han ,  Dawei Guo ,  Jiazhou Liu ,  Yanfeng Wang

发明人： Peng Han ,  Dawei Guo ,  Jiazhou Liu ,  Yanfeng Wang

IPC分类号： H03C1/00 ,  G06G7/12

CPC分类号： H03C1/36 ,  H03D7/1441 ,  H03D7/1458 ,  H03D7/1491 ,  H03D2200/0033 ,  H03D2200/0052 ,  H04L27/04

摘要： An ASK modulator includes a baseband unit which obtains a sequence comprising at least one amplitude value and adds an additional value to each of the at least one amplitude value to generate a modified sequence; a digital-to-analog converter coupled to the baseband unit, the digital-to-analog converter converts the modified sequence to generate a first signal, the additional value is determined based on a half scale of the digital-analog converter; and a mixer which receives the first signal and a second signal and generate a modulated signal by mixing the first signal with the second signal.

摘要翻译： ASK调制器包括：基带单元，其获得包括至少一个幅度值的序列，并且对所述至少一个幅度值中的每一个增加附加值以生成修改的序列; 耦合到所述基带单元的数模转换器，所述数模转换器转换所述经修改的序列以产生第一信号，所述附加值基于所述数模转换器的半标度来确定; 以及混合器，其接收第一信号和第二信号，并通过将第一信号与第二信号混合来产生调制信号。