求翻译：摘要：本设计采用了TI公司生产的一款小巧型低功耗的Launchpad板子作为主控板，控制芯片为msp430g2452。电路大致可分为：电源模块，信号叠加模块，信号滤波模块，信号提取模块，显示模块等几部分。电源模块是由变压器降压到正负12V，再通过各个稳压模块分别稳压成所需的电压值。信号叠加模块其实就是一个加法器，信号滤波模块是由有源低通滤波和有源高通滤波组成的带通滤波电路。信号提取模块是由相敏检波器和低通滤波器构成，最后由一积分式AD采样后转到显示模块显示。是什么意思？

Abstract: This design uses a the launchpad board of ti produced a compact low-power as the main control board, control chip msp430g2452. Circuit can be divided into: a few parts of the power supply module, the signal overlay module, signal filtering module, signal extraction module, display module.

Summary: This has been designed with TI company production of a compact low power Launchpad daughter as the master control panel, control chip for the MSP430G 2452. circuit can be broadly classified as: power supply module, the signal superimposed signal filtering module, module, signal extraction m

Abstract: This design used a section exquisite low power loss Launchpad board which TI Corporation produced to take the master control board, the control chip was msp430g2452.The electric circuit may divide into approximately: Power source module, signal superimposition module, signal filter module,

Abstract: this design uses a TI company's Launchpad a compact low power consumption the Board as the main control board, control chip for msp430g2452. The circuit can be divided into: power supply module, signal superposition module, signal processing module, signal extraction module, display module

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