synchronous demodulation 中文意思是什麼
synchronous demodulation
解釋
同步解調- synchronous : adj. 同時的，同期的；【物理學】同步的。adv. -ly
- demodulation : n. 【無線電】解調，反調制；檢波。
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In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking
系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。 -
This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system, and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments. by combining the two sensors to form a synchronous system, the task of harmonic analysis, phase demodulation, power and wattless power computation is accomplished, which helps to monitor and control the electric power system
本文詳細論述了電力系統高壓電網電參量的光學測量的一種實現方法，從理論和實驗兩方面研究了基於farady磁光效應的光纖電流傳感器及基於led線性電光轉換特性的光纖電壓傳感器，並聯合兩種傳感器形成了電壓、電流的同步測量系統，實現了諧波分析、鑒相及有功、無功功率的計算，可對電能質量進行監控。 -
Since the carrier is suppressed, this phase and frequency reference is required for synchronous demodulation of the color information in the receiver
由於載波收到抑制，因此需要這個相位和頻率參考來對接收機的顏色信息進行同步解調。 -
The double - channel perpendicular coherent decomposing experimental device adopts the synchronous demodulation, by analyzing and processing the signals, separating useful hardness signals from multiple disturbances
本系統中的雙通道正交分解試驗裝置利用同步檢波技術，通過對信號的分析與處理，從眾多的干擾信號中提取出待檢測的硬度信號。
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