“同步检波”也称相干检波（coherent）和零拍检波（homodyne），适用于所有线性幅度调制（包括普通am调幅波）。抑制载波的双边带或者单边带调幅只能通过“同步检波”来解调。 同步检波是用一个与载波同频同相的本振信号与已调信号相乘来实现信号解调的过程。
n. homodyne
misc. synchronous detection
With self-adapting compensation, the compensation speed could achieve 5 times than before according to the previous method. We adopted glide DFT skill instead of the traditional synchro demodulation methods, which strengthened the ability of real-time detection and anti-interference.
对于自适应补偿技术我们沿用了以前的方法,用DSP实现,数字化后的补偿速度可提高5倍以上;对于目标的检测识别,我们打破了原来同步检波原理的束缚,采用了滑动DFT的方法,大大增强了对目标实时检测的能力和抗干扰能力。
参考来源 - 电磁引信数字接收机软硬件设计In the detection of flicker, a approach of voltage flicker detection based on synchronous wave detection and multiresolution analysis is proposed in this paper.
在闪变检测中,本文提出了一种基于小波多分辨分析和同步检波的电压闪变检测算法。
参考来源 - 基于DSP的电能质量在线检测装置的研究In data acquisition system, The application of phase-locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. Carrier signal and modulation signal achieve entirely synchronous too.
4．数据采集系统采用锁相技术、同步检波的原理，降低了整个系统的成本，提高了灵敏度，并使得载波信号与调制信号完全达到同步。
参考来源 - 组合式电容成象传感器及交流同步数据采集系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
传统的AM调幅信号解调方法是同步检波和包络检波法。
Traditional way of AM signal demodulation is envelope detector or synchronism detector.
本文提出了一种新型同步检波器，用子带滤波器取代了传统同步检波器中的低通滤波器。
This paper proposes a novel synchronous detector, which use wavelet filter instead of traditional low pass filter.
早期电视机的视频检波均采用大信号包络检波电路，后来在集成化的电视机中，视频检波又都采用同步检波方式。
All circuits of demodulating strong signal envelope are adopted in previous TV's video demodulation, synchronizing demodulations are widely used in video demodulation in the later integrated TV set.
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