multifrequency 中文意思是什麼
multifrequency
解釋
多頻道-
Auxiliary pressure and temperature measurements make the multifrequency phase fluorometer an ideal choice for luminescence sensor design, testing and calibration
輔助壓力和溫度測量讓多頻相位熒光計是發光探測傳感器設計、測試和校準的理想選擇。 -
Application of remote multifrequency eddy - current in metal flaw detection
遠場多頻渦流技術在金屬探傷中的應用 -
Extraction of suaeda salsa oil by low intensity and multifrequency ultrasound technology
低強度多頻超聲浸取堿蓬籽油 -
Comparing with the traditional phase - shifted laser range finder, the method could implement the ranging with multifrequency by using single modulated frequency. it could not only solve the contradiction of the range and the precision, but has high degree of accuracy and wide range, simplify the hardware design, and reduce the cost. this paper introduced the theory of phase distance measurement, analyzed various testing methods and expatiated the hardware and the software for the proposal system
與傳統的相位法測距相比，本方法使用單調制頻率實現了多頻測距，有效地解決了相位法測距中測程與測量精度之間的矛盾，具有高精度、大量程、大噪聲容限的特點，而且簡化了硬體設計，降低了成本；其次在數據處理中採用數據加窗函數的方法，提高了方波信號的頻譜解析度，進而提高了測量的精度。 -
Broadband multifrequency electromagnetic measurement
寬帶多頻電磁測量 -
Geometric singular perturbation theory for ordinary differential equations with multifrequency
多頻常微分方程的幾何奇異擾動理論 -
Dual - tone multifrequency system dtmf
雙音多頻制 -
Dual - tone multifrequency system
雙音多頻制 -
Dtmf dual tone multifrequency
雙音多頻 -
Dual tone multifrequency
雙音多頻 -
Abstract : based on signal processing theory about high - order cumulants ( hoc ), a fast, inexpensive and unbiased cumulants estimation approach is proposed for the detection of multifrequency signals between offices connected to telephone networks
文摘:基於高階累積量的信號處理理論，提出了一種快速、簡便且無偏估計的方法對多頻信號進行有效的檢測。 -
( 2 ) in the study of multivariate phenomena, each time variable should possess its own scaling parameter in order to allow maximal flexibility in time - frequency. the notion of multifrequency multifunction wavelets, to be introduced, is based on this point of view. multifrequency wavelets, via directional multiresolution analysis, generated by a single function is extended to multifrequency multifunction wavelets generated by a finite number of functions
（ 2 ）在研究多變量問題時，為了使時頻分析具有最大的靈活性，要求每個時間變量都有它自己的尺度參數，鑒於此，本文從尺度函數構成正交基或riesz基出發，把一維多函數小波推廣到二維多頻率多函數小波，解決了構造正交或雙正交多頻率多函數小波所需要的理論依據。 -
The main purpose of this paper is to research on the diagnosis of the analog circuit with tolerance based on parameter identification, it try to find a novel method of the fault diagnosis of the analog system. in this paper, a procedure for the multifrequency fault diagnosis of analog circuits is presented. generally speaking, for the diagnosis equations are nonlinear, it ’ s very difficult to solve them with high precision
本文的研究重點在於具有容差模擬電路故障診斷的參數識別方法，探索解決模擬電路故障診斷問題的新途徑，介紹了由電路結構來提取故障診斷方程的多頻支路和多頻節點方法，由於故障診斷方程一般情況下是非線性的，因此，傳統的非線性方程求解方法存在精度不高，計算困難的缺點。
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