CN110708040A - Matched filtering equipment - Google Patents
Matched filtering equipment Download PDFInfo
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Abstract
Description
技术领域technical field
本发明涉及电子通信技术领域，尤其涉及一种匹配滤波设备。The present invention relates to the technical field of electronic communication, and in particular, to a matched filtering device.
背景技术Background technique
在通信、雷达、声呐等电子信息系统中，尽管有各种各样的信号检测方法，匹配滤波器仍然是最常采用的经典检测器，它能够对带外信号进行滤波，提高带内信号能量，为后续处理提供合适幅度和带宽的信号。In electronic information systems such as communications, radar, and sonar, although there are various signal detection methods, the matched filter is still the most commonly used classical detector. It can filter out-of-band signals and improve in-band signal energy. , to provide a signal of suitable amplitude and bandwidth for subsequent processing.
但是由于匹配滤波器的信号频率范围不够宽，使得匹配滤波器的带宽较窄，功率放大器的功率也相对较低，从而限定了所述滤波器的使用范围。However, because the signal frequency range of the matched filter is not wide enough, the bandwidth of the matched filter is relatively narrow, and the power of the power amplifier is relatively low, thus limiting the use range of the filter.
发明内容SUMMARY OF THE INVENTION
为解决上述问题，本发明提供的匹配滤波设备，能够通过第一模拟开关控制输入信号是否经过所述滤波器，从而使得所述匹配滤波设备能够不受滤波器带宽的限制而接受更多不同频率的信号。In order to solve the above problems, the matched filtering device provided by the present invention can control whether the input signal passes through the filter through the first analog switch, so that the matched filtering device can accept more different frequencies without being limited by the filter bandwidth. signal of.
本发明提供一种匹配滤波设备，包括：第一模拟开关、滤波器、可控功率放大器和互联接插件；The invention provides a matched filtering device, comprising: a first analog switch, a filter, a controllable power amplifier and an interconnection connector;
其中，所述滤波器用于滤除输入所述匹配滤波设备的输入信号中的带外子信号；所述可控功率放大器用于控制所述输入信号的强弱；所述第一模拟开关用于控制所述输入信号是否经过所述滤波器；所述互联接插件用于将所述匹配设备与外界的系统进行互联，以将所述输入信号传递至所述外界的系统。Wherein, the filter is used to filter out out-of-band sub-signals in the input signal input to the matched filtering device; the controllable power amplifier is used to control the strength of the input signal; the first analog switch is used to controlling whether the input signal passes through the filter; the interconnecting connector is used for interconnecting the matching device with an external system, so as to transmit the input signal to the external system.
可选地，所述滤波器、可控功率放大器和互联接插件依次串联，且所述滤波器的接收端作为所述匹配滤波设备的输入端，所述互联接插件的输出端为所述匹配滤波设备的输出端。Optionally, the filter, the controllable power amplifier and the interconnected connector are connected in series in sequence, and the receiving end of the filter is used as the input end of the matched filtering device, and the output end of the interconnected connector is the matched filter device. The output of the filtering device.
可选地，所述匹配滤波设备还包括：用于控制所述输入信号是否经过所述可控功率放大器的第二模拟开关。Optionally, the matched filtering device further includes: a second analog switch for controlling whether the input signal passes through the controllable power amplifier.
可选地，所述第一模拟开关与所述滤波器并联。Optionally, the first analog switch is connected in parallel with the filter.
可选地，所述第二模拟开关与所述功率放大器并联。Optionally, the second analog switch is connected in parallel with the power amplifier.
可选地，所述互联接插件连接有控制器，所述控制器用于通过所述互联接插件向所述可控功率放大器发送控制信号，以调整所述可控功率放大器对所述输入信号的放大功率。Optionally, the interconnection connector is connected with a controller, and the controller is configured to send a control signal to the controllable power amplifier through the interconnection connector, so as to adjust the controllable power amplifier's response to the input signal. Amplify power.
可选地，所述输入信号的频率范围为5MHz～6500MHz。Optionally, the frequency range of the input signal is 5MHz˜6500MHz.
可选地，所述滤波器的带宽范围为10MHz～400MHz。Optionally, the bandwidth of the filter ranges from 10MHz to 400MHz.
可选地，所述可控功率放大器的功率范围为0dB～23dB。Optionally, the power range of the controllable power amplifier is 0dB˜23dB.
本发明实施例提供的匹配滤波设备，能够通过第一模拟开关控制输入信号是否经过所述滤波器，从而使得所述匹配滤波设备能够不受滤波器带宽的限制而接受更多不同频率的信号。The matched filtering device provided by the embodiment of the present invention can control whether the input signal passes through the filter through the first analog switch, so that the matched filtering device can accept more signals of different frequencies without being limited by the filter bandwidth.
附图说明Description of drawings
图1为本申请实施例的匹配滤波设备的示意性结构图。FIG. 1 is a schematic structural diagram of a matched filtering device according to an embodiment of the present application.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
本发明提供一种匹配滤波设备，参见图1，图1示出了根据本申请一实施例的匹配滤波设备的示意性结构图，所述匹配滤波设备包括：第一模拟开关、滤波器、可控功率放大器和互联接插件。The present invention provides a matched filtering device. Referring to FIG. 1, FIG. 1 shows a schematic structural diagram of a matched filtering device according to an embodiment of the present application. The matched filtering device includes: a first analog switch, a filter, a Controlled power amplifiers and interconnect connectors.
其中，所述滤波器用于滤除输入所述匹配滤波设备的输入信号中的带外子信号；所述可控功率放大器用于控制所述输入信号的强弱；所述第一模拟开关用于控制所述输入信号是否经过所述滤波器；所述互联接插件用于将所述匹配设备与外界的系统进行互联，以将所述输入信号传递至所述外界的系统。Wherein, the filter is used to filter out out-of-band sub-signals in the input signal input to the matched filtering device; the controllable power amplifier is used to control the strength of the input signal; the first analog switch is used to controlling whether the input signal passes through the filter; the interconnecting connector is used for interconnecting the matching device with an external system, so as to transmit the input signal to the external system.
所述滤波器、可控功率放大器和互联接插件依次串联，且所述滤波器的接收端作为所述匹配滤波设备的输入端，所述互联接插件的输出端为所述匹配滤波设备的输出端。The filter, the controllable power amplifier and the interconnected connector are connected in series in sequence, and the receiving end of the filter is used as the input end of the matched filtering device, and the output end of the interconnected connector is the output of the matched filtering device. end.
所述匹配滤波设备还包括：用于控制所述输入信号是否经过所述可控功率放大器的第二模拟开关。其中，所述第一模拟开关与所述滤波器并联，使得所述滤波器灵活可配配置；所述第二模拟开关与所述功率放大器并联。当所述第一模拟开关闭合时所述输入信号经过第一模拟开关，而不经过所述滤波器；当所述第一模拟开关断开时所述输入信号不经过第一模拟开关，而经过所述滤波器进行滤波，降噪处理；当所述第二模拟开关闭合时所述输入信号经过第二模拟开关，而不经过所述可控功率放大器；当所述第二模拟开关断开时所述输入信号不经过第二模拟开关，而经过所述可控功率放大器，以调节所述输入信号的强弱。The matched filtering device further includes a second analog switch for controlling whether the input signal passes through the controllable power amplifier. Wherein, the first analog switch is connected in parallel with the filter, so that the filter can be configured flexibly; the second analog switch is connected in parallel with the power amplifier. When the first analog switch is closed, the input signal passes through the first analog switch without passing through the filter; when the first analog switch is open, the input signal does not pass through the first analog switch, but passes through the filter. The filter performs filtering and noise reduction processing; when the second analog switch is closed, the input signal passes through the second analog switch, but does not pass through the controllable power amplifier; when the second analog switch is open The input signal does not pass through the second analog switch, but passes through the controllable power amplifier to adjust the strength of the input signal.
所述互联接插件连接有控制器，所述控制器用于通过所述互联接插件向所述可控功率放大器发送控制信号，以调整所述可控功率放大器对所述输入信号的放大功率。所述控制器通过所述控制信号控制所述可控功率放大器的放大功率，以对经过所述滤波器滤波后的输入信号进行补偿，以使所述可控功率放大器可以动态设置，为后级所述匹配滤波设备的输出信号的处理提供合适的信号幅度。在本实施例中，所述可控功率放大器的功率范围为0dB～23dB。The interconnected connector is connected with a controller, and the controller is configured to send a control signal to the controllable power amplifier through the interconnected connector, so as to adjust the amplification power of the input signal by the controllable power amplifier. The controller controls the amplification power of the controllable power amplifier through the control signal, so as to compensate the input signal filtered by the filter, so that the controllable power amplifier can be dynamically set and is a later stage. The processing of the output signal of the matched filtering device provides suitable signal amplitudes. In this embodiment, the power range of the controllable power amplifier is 0dB˜23dB.
所述匹配滤波设备通过将所述第一模拟开关与所述滤波器并联，将所述第二模拟开关与所述功率放大器并联，并将所述互联接插件与所述控制器连接能够使得所述匹配滤波设备在所述滤波器的带宽范围为10MHz～400MHz的情况下，能够接收的所述输入信号的频率范围在5MHz～6500MHz之间，使所述匹配滤波设备接收的所述输入信号的频率范围大于所述滤波器的带宽范围。The matched filtering device can make all the analog switches connected in parallel with the filter by connecting the first analog switch in parallel with the filter, connecting the second analog switch with the power amplifier in parallel, and connecting the interconnected connector with the controller. When the bandwidth of the filter is in the range of 10MHz to 400MHz, the matched filter device can receive the input signal in a frequency range of 5MHz to 6500MHz, so that the input signal received by the matched filter device has a frequency range of 5MHz to 6500MHz. The frequency range is larger than the bandwidth range of the filter.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed by the present invention can easily think of changes or substitutions. All should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (9)
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Citations (6)
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|---|---|---|---|---|
| CN2266227Y (en) * | 1996-06-24 | 1997-10-29 | 哈尔滨工业大学 | Multi-channel Surface Acoustic Narrowband Matched Filter Bank |
| CN1326614A (en) * | 1998-09-22 | 2001-12-12 | 夸尔柯姆股份有限公司 | High efficiency switched gain power amplifier |
| CN101069348A (en) * | 2004-10-01 | 2007-11-07 | 汤姆森特许公司 | Signal input circuit |
| CN104137424A (en) * | 2012-02-23 | 2014-11-05 | 高通股份有限公司 | Wireless device with filters to support co-existence in adjacent frequency bands |
| GB201522373D0 (en) * | 2015-12-18 | 2016-02-03 | Nordic Semiconductor Asa | Radio frequency receiver |
| CN109286384A (en) * | 2017-07-20 | 2019-01-29 | 株式会社村田制作所 | Multiplexer, high-frequency front-end circuit and communication device |
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- 2019-10-14 CN CN201910977448.1A patent/CN110708040A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2266227Y (en) * | 1996-06-24 | 1997-10-29 | 哈尔滨工业大学 | Multi-channel Surface Acoustic Narrowband Matched Filter Bank |
| CN1326614A (en) * | 1998-09-22 | 2001-12-12 | 夸尔柯姆股份有限公司 | High efficiency switched gain power amplifier |
| CN101069348A (en) * | 2004-10-01 | 2007-11-07 | 汤姆森特许公司 | Signal input circuit |
| CN104137424A (en) * | 2012-02-23 | 2014-11-05 | 高通股份有限公司 | Wireless device with filters to support co-existence in adjacent frequency bands |
| GB201522373D0 (en) * | 2015-12-18 | 2016-02-03 | Nordic Semiconductor Asa | Radio frequency receiver |
| CN109286384A (en) * | 2017-07-20 | 2019-01-29 | 株式会社村田制作所 | Multiplexer, high-frequency front-end circuit and communication device |
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Application publication date: 20200117 |