signal leakage 中文意思是什麼
signal leakage
解釋
信號漏泄-
Through matlab simulations, this improved algorithm can not only achieve the same resolution ability as the conventional music algorithm in ideal conditions, but also acquire the resolution ability and estimation precision that music algorithm can ’ t obtain in the nonideal condition of so - called signal eigenvalue leakage
通過matlab模擬，該改進方法不僅可以在理想情況下取得和傳統music演算法一樣的分辨力，而且在所謂的信號特徵值泄露的非理想情況下可以取得傳統music演算法不能達到的分辨力和估計精度，同時一定程度上減小了運算量。 -
For the leakage often occured on condenser brass pipe of hanchuan power plant, using differential inner insert detecting coil the on - line multi - frequency eddy current check technology effectively restrains interferance source signal from support board, etc, improves measuring sensitivity and the measuring result gets more reliable
摘要針對漢川電廠凝汽器銅管在運行中多次發生泄漏，利用差分內插式檢測線圈，通過多頻渦流檢測技術對凝汽器進行渦流在役檢測，有效地抑制了支撐板等干擾源信號，提高了檢測靈敏度，使得檢測結果更可靠。 -
Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique
由於電網中存在大量的諧波干擾，導致測量系統中取樣信號也含有很大的諧波，為了消除諧波對測量結果的影響，論文深入研究了傅立葉變換諧波分析法的測量原理，分析了測量中頻譜泄漏和柵欄效應形成的原因，提出了採用鎖相環倍頻技術實現信號的整周期同步采樣，消除頻譜泄漏和柵欄效應對測量結果的影響，並對鎖相環倍頻技術的理論進行了深入研究，給出鎖相環倍頻技術的實現方法。 -
Analysis of signal character of magnetic flux leakage testing using loop method
線圈法漏磁探傷的信號特性分析 -
The results show that the location sound speeds for the tank above has been confirmed as 1. 2 1. 4m / ms and 3. 2m / ms and the degree of the superposition of two lucy value and sound speed curves correlated directly with the pertinence of the signal. ( 4 ). introducing the flux leakage examination and the comparison made between magnetic flux leakage examination and ultrasonic testing proved that magnetic flux leakage examination can be used
分析國內不同地區（鎮海、日照、廈門） 、 12個服役9 - 19年的常壓儲罐漏磁檢測的結果，統計所存在缺陷的腐蝕程度及分佈情況，從而確定聲發射檢測的重點部位在儲罐的中間部位。 -
The core of epiipc is the 51 series microcontrollers, which automatic detect the error signal of the circuit, like short circuit, overload, high voltage, low voltage, current leakage etc. meanwhile it monitors and tests the insulation level of high voltage cable, with convenience two variable key setting and full chinese version lcd display features
本次研製的保護器以高檔51系列單片機為核心，能自動判斷線路中出現的短路、過載、過壓、欠壓、漏電等故障，並對高壓電纜的絕緣水平進行實時監測，有方便的兩鍵參數設定和全中文液晶顯示功能。 -
One kind of electromagnetic radiation leakage of computers is conducted emission, with radiation through power wires and signal lines ; the other kind thereof is due to that : magnetic fields produced by signal current of computer processors and displays in equipment may leak through the cable sleeves and be picked up by the current probes clamped on lines, and the signals received may be sent to the specially - made receiver for processing and restoration
計算機電磁波輻射泄漏一類傳導發射，通過電源線和信號線輻射；另一類是由於設備中的計算機處理機、顯示器信號電流產生的磁場可能透過外套泄漏出來，被卡在線上的電流探頭檢拾到。 -
" energy - fault recognition ", a fault diagnosis method based on wavelet packets analysis for the transport pipeline supervising system is proposed in this dissertation. eigenvector target is presented which reflect the characteristic of leakage pressure signal
本文將基於小波包分析的「能量?故障識別」故障診斷方法引入管道運行狀態監測技術，提出了反映泄漏壓力信號特性的特徵向量指標。 -
Small signal jfets work very well as low - leakage diodes by connecting drain & source together in log current - to - voltage converters and low leakage input protection
在對數電流-電壓轉換器和低漏電流輸入保護電路中，通過連接小信號jfets的漏極和源極，可以使之作為低漏電流二極體很好的使用。 -
In this thesis, we introduce two kinds of methods to establish magnetic flux leakage model : the method of magnetic doublet and the method of finite element. and we also introduce some signal processing technologies which are often used in magnetic flux leakage testing and flaw distinguish algorithm in our system
漏磁場模型的建立是實現定量分析的基礎，文中介紹了建立漏磁場模型的兩種常用方法：磁偶極子法和有限元法，以及漏磁檢測中常用的信號處理技術和本系統中用到的缺陷判別技術。 -
This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively, intelligently by mfl ( magnetic flux leakage ) inspection method. from the practical demand, theoretical analysis and experiments or testing, the mfl inspection technology of pipeline or pipe defects are explained, summarized in detail in the whole paper, at the same time, the relationship between the mfl field distribution, the mfl signal shape and the defect geometry or severity, the analysis of the mfl data and the compensation of influencing the relationship factors, signal feature extraction, intelligent recognition of defect parameters and so on are studied systematically
論文針對管道（鋼管）缺陷漏磁檢測定量化、智能化的難題，緊密結合檢測現場實際需要，通過理論分析和大量實驗，系統分析總結了管道（鋼管）缺陷漏磁智能檢測技術，並在缺陷漏磁場分佈以及缺陷漏磁信號與缺陷外形參數間的關系、缺陷漏磁信號分析、漏磁信號影響因素補償、缺陷漏磁場波形特徵提取和缺陷外形尺寸定量識別等方面進行了深入研究，主要成果和創新如下：引出磁偶極子模型近似分析常見缺陷漏磁場，針對磁偶極子模型的不足，將有限元方法應用到缺陷漏磁場分析，實現了常見管道樣本缺陷漏磁場的模擬。 -
In addition, we study the digital signal processing in the testing system of two dimensions magnetic flux leakage
另外本文還對在二維漏磁檢測系統中數字信號的處理作了一定的研究。 -
Combined with the research project of the advanced performance of wire rope in the port cranes, a key technological problem of the ministry of communications, this dissertation investigated the stress - effect on the magnetic flux leakage ( mfl ) of wire ropes and the law of the mfl signal changes during wire rope fatigue testing by experiments and modern signal processing methods based on the ferromagnetic theory, being aimed at the present problems of current wire rope testing technology. the characteristic parameters and quantitative descriptive specifications for wire rope defective signal were analyzed in detail. this dissertation present a novel method of quantitatively evaluating locate faults ( lf )
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件的高性能技術研究」 ，針對當前鋼絲繩電磁檢測技術中所存在的問題，以鐵磁學為理論基礎，以試驗和現代數字信號處理技術為手段，對鋼絲繩漏磁信號的應力效應、鋼絲繩疲勞損傷歷程中的漏磁信號變化規律做了深入的研究，對鋼絲繩缺陷信號的特徵參數和缺陷的定量描述指標做了詳細的分析，提出了一種局部缺陷的定量逼近方法。 -
Small signal bipolars with b - c tied together will also make nice low - leakage diodes
連接基極-集電極的小信號雙極性晶體管也可以作為不錯的低漏電流二極體。 -
After the host computer sends the broadcast command to order measurement operation, all slave devices will start to sample the input signals synchronously. when the sampling operation has finished, devices installed on the capacitive equipments will calculate the phase angle difference ( oi ) between leakage current and the reference voltage signal, and devices installed on pt will calculate the phase angle difference between secondary voltage and the reference voltage signal ( ou )
我們把一個50hz的交流基準電源引到每臺下位機內，主機發布一個廣播命令要求pt和電容型設備上的監測裝置同時采樣，電容型監測裝置計算出泄漏電流和基準源之間的相位差_ （ oi ） ， pt上的裝置計算出二次電壓與基準源之間的相位差_ （ ou ） 。 -
By studying the discrete fourier transform properties of the band - limited digital signal, the authors introduce alternating projection neural networks into the paper, expand apnn ' s application scope from real field to complex field, and present several important conclusions on apnn. analyzing and discussing network ' s tolerance to noise, convergence rate and the spectral leakage problem of the truncated signal expected to be extrapolated by using these conclusions, the paper presents an extrapolation algorithm for band - limited signals based on alternating projection neural networks. a lot of simulation experiments show that the algorithm is effective. in addition, the algorithm is also effective to spectrum extrapolation. owing to adopting network structure, the algorithm is prone to parallel computation and vlsi design, and consequently can satisfy real time military processing needs
本文通過對頻帶受限數字信號的離散傅立葉變換特性的研究，引進了交替投影神經網路，並將其應用范圍從實數域拓廣到復數域，且給出了在復數域仍然成立的若干結論.運用這些結論，在對網路噪聲抑制、網路收斂速度及待外推信號因截斷而造成頻譜嚴重外泄問題的分析與討論的基礎上，提出了一種基於交替投影神經網路的外推演算法.模擬實驗表明該方法是行之有效的.另外，該演算法對頻譜外推同樣適用；由於它採用全互連神經網路結構，易於并行計算和vlsi實現，從而可滿足軍事上實時處理的需要 -
According to the carrier wave leakage and mirror wave interference in the signal generation, this paper analyzes the source of waveform distortion and its influence to signal spectrum and pulse compression result
針對生成信號中存在的載漏和鏡像等失真，本文對波形失真來源及其對信號頻譜及脈壓結果的影響進行了全面分析與模擬。 -
The system that applied leakage flux theory consisted of testing sensor, signal acquisition unit, computer system and unit for alerting and marking
該系統主要包括檢測傳感器、信號採集器、計算機系統和打標器。 -
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 -
Through discussing the samples of ac signal, the basic method to solve spectrum leakage is pointed out, which is to guarantee the same pace between signal frequency and sampling frequency
通過對交流電信號采樣的討論，指出解決頻譜泄漏的問題的基本方法是保證信號頻率與采樣頻率同步。
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