漏泄噪聲 的英文怎麼說
中文拼音 [lóuxièzàoshēng]
漏泄噪聲
英文
leakage noise-
On the base of the theory of the adaptive noise cancellation and the adaptive line enhancement, we have made an improved adaptive noise cancellation in use of the measuring of hv insulator ' s leakage current
結合普通自適應噪聲對消和自適應譜線增強原理，提出了一種改進型自適應噪聲對消器，用於高壓絕緣子泄漏電流檢測。According to the characteristics of pipeline leak signals that the influence degrees of burst interference noises are various in each local area, this paper optimizes the uniform quantization to be adaptable, and proposes an adaptive quantization
根據管道泄漏信號局部區域受到突發干擾噪聲影響程度的不同，本文進一步優化均勻量化器，將其改進為自適應量化器，提出了基於突發干擾噪聲的自適應量化近無損壓縮演算法。The main experiments : the relationship between the sonic intensity and the pressure of the steam that leak out of the boiler ; the relationship between the level of the intensity of the leak noise and the capability of boiler ; the effect that wave - guide tube has on the detection of leak noise ; the specialties of sonic intensity level of background noise and distributing in frequency
主要實驗內容為：泄漏噪聲聲強級與泄漏蒸汽壓力之間關系；泄漏噪聲聲強級與鍋爐容量的關系；泄漏噪聲聲強級與泄漏孔徑的關系；波導管對泄漏噪聲測量的影響；爐內背景噪聲的聲強級和頻域分佈特點。Application of fpga to noise monitoring system for pipeline leak
在油氣管道泄漏噪聲監測系統中的應用These are the main contents : the characters in time domain and frequency domain of the background noise inside boiler are analyzed theoretically and studied by experiments, and the upper limit frequency of it is confirmed, these are very important to the diagnosis of boiler tube leak and avoid wrong alarms
對爐內背景噪聲的時、頻域特性進行了理論分析與實驗研究，確定了爐內背景噪聲的上限頻率，這對爐管泄漏的診斷和防止誤報警具有重要意義。Entropy preservation is considered of the tempest transceiving system. anti - noise performance of the digital interception is also taken into account by both theory and experiment electromagnetic information leakage and its protection & interception technology are studied theoretically and experimentally in this dissertation
建立了泄漏發射源和偵收系統的信息論模型，討論了tempest收發系統的保熵性，從理論和實驗兩方面開展了數字偵收系統的抗噪聲性能研究。The " expanding in frequency domain " theory is put forward and validated, and the chaos theory and the fractal theory is applied to the detection and diagnosis of boiler tube leak, the separation between the useful signal and noise and some of problems existed in the present boiler tube leak detection are solved
提出了「頻域拓展」的概念，並對這一方法的正確性進行了驗證。將混沌與分形理論引入鍋爐爐管泄漏檢測與診斷中，完成了爐管泄漏聲信號的信、噪分離，解決了目前爐管泄漏檢測系統所存在的一些問題。Abstract : the development trends of products in the world are intelligent products and gre en products. according to the statistics, the causes of ship pollution including a ir pollution, garbage pollution, water ballast pollution, noise turbulence and oil - leakage problem have been analysed. in the view of environmental pollution protec tion and ship design, the characters of green ship have been concluded. the concep tion of green ship and its design have been put forward
文摘:根據統計資料，分析了船舶產生的大氣污染、垃圾污染、壓載水污染、噪聲污染及油泄漏污染的成因，從防治環境污染和船舶設計的角度，概括了綠色船舶環保、實效、節能等特點，提出綠色船舶的概念及設計構想On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp
我們在前人的工作基礎上，利用現代數字信號處理技術和面向對象的軟體開發技術，統一了彈上黑匣子數據處理系統的操作平臺，完善了轉速、掃描角測試數據處理系統，修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ；利用有限沖擊響應（ fir ）濾波器，在濾去噪聲的同時，有效地解決了矩形窗fft濾波的頻譜泄漏問題；另外還解決了因相位偏差而導致的測試誤差。An economical and effective new technology using sound card is proposed in this paper. it collects the leakage current from high voltage insulator, and then deals with the noise elimination using wavelet analysis. compared with the traditional signal analyzing method, the wavelet analyzing technology not only can distill the leakage current signal from the noise precisely, but also can distinguish the low quality character of leakage current signal. this method plays an important role to the device in early fault diagnosis, and can improve the accuracy of measurement and fault diagnosis in the application
介紹了一種利用電腦的聲卡對高壓絕緣子的泄漏電流進行採集的經濟有效的新技術，並通過小波分析技術對所獲得的信號進行消噪處理.與傳統的信號分析方法相比，小波分析技術不僅能從噪聲中準確提取待測泄漏電流信號，同時又可真實復現泄漏電流信號中的劣化特徵，這對設備的早期故障診斷具有重要意義.顯著提高了測量的準確度，增強了設備故障診斷的準確性分享友人