demodulator amplifier 中文意思是什麼
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The system consists of phantom, signal source block, power amplifier block, measuring mode setting block, high accuracy amplifier and high speed demodulator
該系統包括信號源模塊，功率放大模塊，測量模式設置模塊，信號放大模塊，同步解調模塊。 -
The design of the amplifier is described in detail and the noise in the circuit is calculated in the third chapter. several demodulating methods are compared and the design of the demodulator is described in detail in the fourth chapter
第四章，對幾種信號解調方式進行了比較，並對系統採用信號解調電路的設計原理和方案進行了詳盡的分析。 -
In this part the signal from the infrared sensor was amplified by common collector amplifier, and the demodulator was built by filter. in which the signal got demodulated. because we just need the frequency of the signal, filter may achieved
通過信號通路，傳感器生成的調幅波信號轉變為與脈搏頻率相同的方波。先由運算放大器接共集電極電路完成信號放大，通過濾波得到脈搏信號的頻率，從而用濾波器電路完成了解調功能。 -
The core of the lock - in amplifier used to measure response of laps consists of a high precision modulator / demodulator and dds as signal generator
對于光尋址電位傳感器，我們設計了以高精度數據機件和數字頻率合成器件為核心的模擬鎖相放大器。 -
Firstly, the theory and the architecture of hardware system are described, secondly, the steps of the signal processing are discussed in detail. based on the experiments and the characteristics of the signal, we pre - process the signals with band - pass filter, proportional amplifier and coherent demodulator. after sampling and analysis doppler information, we display the final results distinctly to alarm in time
然後，結合系統中各主要部分的任務，詳細介紹了信號處理的各個步驟：通過實驗比較，並結合接收信號的特點，選用帶通濾波器、比例放大器、相干檢波等技術對信號進行預處理；然後對獲得的多卜勒信息進行采樣和頻譜分析；最後，用比較直觀的形式顯示數據結果，以及時準確地告警。 -
Design and implementation of a holding frequency - hopping receiver ' s if amplifier and demodulator
手持式跳頻電臺接收機中放的設計與實現
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