phase sensitive detection 中文意思是什麼
phase sensitive detection
解釋
相敏檢波-
By taking the miniature ceramic rod which is easily to machine high accuracy as sensitive structure, and by printing and polarizing six belt - shaped electrodes above it to constitute three pairs of electrodes, this paper designed package and the phase - sensitive detection circuit in the system so that it effectively reduced the sensitive structure size and improved its processing precision to realize the angular rate gyro microminiaturization
首先採用易於加工成高精度的微型陶瓷棒作為敏感體,在其上印刷成六個帶狀電極並予以極化構成三副電極對,然後設計了封裝及相敏檢波電路,從而有效地減小了敏感結構的尺寸,提高了其加工精度,實現了角速率陀螺微型化。 -
This paper developed a micro angular rate gyro based on micro piezoelectric ceramic rod structure instead of the sensitive double - deck structure as well as piezoelectric ceramic strain foils, and designed a phase - sensitive detection circuit
摘要研製了基於微型壓電陶瓷棒結構代替雙敏感梁結構及壓電陶瓷片的微型角速率陀螺,並設計了相敏檢波電路。 -
Phase sensitive detection
相敏檢波 -
The purpose of this paper is to resolve some key technologies of the amplitude - modulation inductive displacement transducer signal processing circuit with nanometer resolution, such as the design of high stability signal generating circuit ; the technology of high precision digital phase - sensitive detection circuit ; the technology of digital filter and linearization, etc
本文主要研究調幅式電感位移傳感器精密測量系統中涉及的高精度載波信號發生技術、高精度數字相敏檢波技術、數字濾波及線性擬和等關鍵技術,目的是進一步改善調幅式電感位移傳感器精密測量系統的測量精度,適應納米級測量的要求。
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