composite signal 中文意思是什麼
composite signal
解釋
復合信號, 混合信號-
The works of this paper are mainly about the study for ultra wide - band ( uwb ) signal radiating - designing for effective uwb antenna, and uwb signal scattering - investigating of composite scattering for targets upon ground. firstly, the radiating characters of uwb signal and development of uwb antenna are discussed an uwb planar horn antenna is designed this antenna is characterized with u - balun, simple construction and perfect performance
本文的研究是「九五」國防預研「超寬帶（ uwb ）雷達體制及關鍵技術研究」項目工作的一部分，主要包括兩方面內容：超寬帶信號的輻射-高效超寬帶天線的研製；超寬帶信號的散射-地表目標的復合散射研究。 -
Csm composite signal multi - frequency dialling
復合信號多頻撥號 -
Digital image processing consume a large amount of memory and time commonly. basing on the advantage of fpga, the paper design harware module by hdl ( hardware language ), i. e., some function is achieved by les ( logic element ) of the fpga. the real - time of digital image processing is achieved by this. the sample and display of digital image is the important part. so, the paper mainly design the sample and desplay module. the sample card is designed and it ’ s word mode is configured according china ’ s cvbs ( composite video bar signal ). for acquiring the image and storing it correctly to sram, the paper design the sample - control module. the sample module can work correctly using least time. the reliability and real - time achieve the reference. according the vga principle and scheduling of the ths8134, the paper design a vga - control module by hdl. firstly, the control signal is synthesized secondly, the horirontal and vertical synchronization signals is synthesized according to the vga interface standard
圖像處理的特點是處理的數據量大，處理非常耗時，為實現數字圖像的實時處理，本文研究了在fpga上用硬體描述語言實現功能模塊的方法，通過功能模塊的硬體化，解決了視頻圖像處理的速度問題。圖像數據的正確採集和顯示輸出是其中的兩個重要的模塊，因此，本文主要完成了圖像數據的採集和顯示輸出的設計。本文設計了採集卡，並要對其工作模式進行了配置和編寫了採集控制模塊，在採集控制模塊的控制下，將數字圖像數據正確無誤的存儲到了sram中。 -
It can separate sync signals from ntsc, pal and secam video signals, and produces composite sync output signal, back porch output signal, horizontal sync signal, vertical sync signal and odd / even field output signal
它可以對ntsc 、 pal 、 secam制式的視頻信號進行同步分離，獲得所需的同步信號，還能準確地輸出復合同步、后沿輸出、行同步、場同步和奇/偶場輸出信號。 -
Some popularly concerned hot problems and fast developed techniques in present nondestructive testing field were introduced, such as on - line monitoring for pipe laying, gas pipeline and embedding pipes, inspection for the adhesive coating of composite material, imaging techniques and signal processing
摘要介紹當前無損檢測領域幾項快速發展的並受人普遍關注的熱點問題和技術，如輸油、輸氣管道和地下管網的在線監測、復合材料粘接層的檢測、成像技術以及信號處理。 -
Unbalanced vibration signal of double - shaft rotating system with little rotating - speed difference is a composite signal called " beat ", how to separate two rotors " unbalanced weight from " beat " is the key of balancing for this rotating system
微速差雙轉子系統的不平衡振動信號是個拍振，如何從復雜的拍振信號中，分離出內、外轉子各自的不平衡量，一直是該類轉子動平衡的難點。 -
In this paper, a new way of real - time damage detection method was proposed according to the high speed working situation of the composite flywheels for energy storage, and a suit of equipment was developed to test the composite samples with piezoelectric disc built - in, the response waves before and after the damage occurred were recorded to the computer. on the base of traditional spectrum analysis of signal recorded, the wavelet analysis was introduced and the program in matlab language was made. with the wavelet packet decomposition of the signal, the relations between the change of response signals and damage characters were gotten, a database for damage recognition was created
本文結合儲能復合材料飛輪高速旋轉的工作特點，提出了一種在線檢測飛輪轉子損傷的方法，自主設計一套實驗裝置對模擬各種損傷的的試樣進行了測試，試樣損傷前後的響應信號被採集后存入計算機中；在對採集信號進行傳統的頻譜分析的基礎上，引入了先進的小波分析理論，利用matlab語言編寫程序，對信號進行小波分解，得到了信號變化和損傷特徵之間的關系，建立了一個識別飛輪損傷的數據庫；小波包分解得到信號對比圖和特徵向量，可以有效判定材料內部有無損傷和損傷的程度，結合頻譜分析等，可一定程度上判定損傷的類型，為儲能飛輪的安全運轉和智能化運作提供了決策依據。 -
Secondly, the concept of tacan system is introduced, especially the vor ( very high frequency omni - directional range ) composite signal is discussed in details
其次，對塔康系統的組成和原理的進行介紹，尤其對其中vor （ veryhighfrequencyomni - directionalrange甚高頻全向信標）復合信號進行比較詳細的研究。 -
Resources. going this route and using a psone lcd will require a video card with a csync composite sync signal - most ati and matrox cards have this
採用這種方法，並使用一個psone lcd ，這需要一個具有csync （復合同步）信號的顯卡大部分ati和matrox顯卡都具有這種信號。 -
We studied radar backscattering models of ocean surface and modulation mechanism of sar signal. and the research focuses on the composite surface backscattering model and velocity bunching modulation mechanics. based on these theories, we built up an sar imaging model pertained to ocean waves
研究了海面的電磁波後向散射模型和海浪對sar信號的調制機理，其中，重點研究了復合表面模型和速度聚束調制機理，在此基礎上建立了適合於海面的sar成像模型。 -
Based on signal from carbon fiber composite defects such as lamination, hole, looseners in ultrasonic testing, this paper performs wavelet packet transform on the ultrasonic signals to extract statistics of approximation coefficients and detail coefficients that contain a great part of signal energy as sample - features
摘要本文以碳纖維復合材料常見缺陷分層、孔隙、疏鬆的超聲波檢測缺陷信號為研究對象，對超聲波檢測信號進行小波包變換，提取包含信號絕大部分能量的近似系數波形特徵及細節系數的統計量作為樣本的特徵值。 -
Different characteristic parameters fitting for different damage detection methods are extracted from the filtered sensors signal by hht technology. at last, the location and the degree of damage in the composite material can be determined by using defferent damage detection methods. this study adopts active detection technique based on lamb wave to monitor damage in composite materials
並且針對每種損傷定位方法選擇有效的描述結構損傷的特徵參數，利用四種不同的方法對結構進行損傷定位和損傷程度的識別，通過實驗證明，這四種損傷識別方法均能有效準確的識別出損傷位置和損傷程度。
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