正方形鎖 的英文怎麼說
中文拼音 [zhēngfāngxíngsuǒ]
正方形鎖
英文
four-square lock-
Most of the traditional real - time detecting method for harmonic current is based on sinusoidal voltage or locking the voltage phase accurately, which deviating from the real circumstances
由於傳統的諧波電流實時檢測方法大都是基於正弦的電壓系統或對于電壓波形達到精確鎖相的前提，而現實情況卻往往不是如此。Carry on a large amount of experiment and analysings, the result of calculation of designing has been verified, the error of designing and computing has been revised, the physical dimension of the rivet has been confirmed finally. combine the real working condition of the factory the difficulties that the rivet stem and the locking collar are difficult to process are solved, a series of feasible technology schemes are made finally. according to the designing and of the test of the blind rivet, consult the relevant standards of u. s. a., the relevant aviation industrial standards which lay the foundation for the popularizaion and application of the rivet are compiled
本文通過系統分析及計算，突破了鉚釘抽鉚成形、剪斷環及時被剪斷、芯桿到位及時拉斷等一系列技術難點，確定了設計方案，運用有限元方法對機械鎖緊鼓包型抽芯鉚釘進行了強度分析：制定了試驗方案，驗證了設計計算結果，修正了設計計算所造成的誤差，確定了鉚釘的結構尺寸；結合工廠的實際生產條件，解決了釘桿和鎖圈難以加工的困難，制定出?系列可行的工藝方案：根據設計及試驗結果，參照美國的相關標準，編制了系列航空工業標準，為機械鎖緊鼓包型抽芯鉚釘的推廣應用打下了基礎。On the basis of our lab ' s previous achievements, the author has studied three kinds of digital signal processing methods - the method based on a digital phase locked loop, the method based on quadrature demodulation, and the method based on adaptive funnel filter ( aff ) and sliding goertzel algo rithm ( sga ). the author has also studied the cmf driving principle, various analog driving circuits, driving waves, and digital driving methods
主要研究了三種科氏流量計的數字信號處理方法：基於數字鎖相環的方法、基於正交解調的方法和基於自適應funnel濾波器和滑動goertzel演算法的方法；以及科氏流量計驅動的原理、各種模擬驅動的波形、電路以及數字驅動的方法等。
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