waveform pulse 中文意思是什麼
waveform pulse
解釋
波形脈沖-
Moreover in speech enhancement, especially in reducing the pulse noise, morphological algorithm has its unique advantage. particularly morphological filter may maintain the preferable accurate of the speech signal in speech waveform, and which produces little impairment to the formant of speech. so the spectrum structure of the speech is retained well, and the quality of the speech will not be reduced
特別是，在時域波形分析中，形態學濾波增強較小波去噪更好地保持語音信號的細節；在頻域分析中，形態學濾波對語音信號的基音頻率、頻譜斜率、共振峰等語音特徵的影響很小，因而能夠較好的保留語音信號的頻譜結構，使語音品質不致降低。 -
The main research works of this dissertation are aimed to design of radar waveform and the application of wavelets in ultra - wide radar, including : the design of a new kind of hybrid radar and the research of time side - lobe suppression for pulse compression, the design of receiver r adio front end in data acquisition of ultra - wide band radar, the time delay estimation based on wavelets ( packet ) analysis
本文主要進行雷達波形設計研究以及研究小波理論在超寬帶雷達中的應用，集中體現在以下幾個方面：一類新的組合雷達波形設計及壓縮脈沖時間旁瓣抑制技術研究、超寬帶雷達多通道數據採集方法中前端射頻接收部分的設計及研製、基於小波（包）方法的時延估計方法。 -
Pick up the pulse waveform which can reflect the activity of brachial artery mostly from oscillometric - wave, and analyse the waveform selected to get brachial vascular complicance
從示波法波形中，提取最能反映臂動脈活性的脈搏波，對此脈搏波進行分析，計算出臂動脈順應性。 -
2 in the research of time side - lobe suppression for pulse compression, a method designing mismatch network according to the desire waveform of compression pulse is proposed
2 、在時間旁瓣抑制研究中，提出了由希望的壓縮脈沖信號波形，設計加權網路。 -
This dissertation mainly studies the hardware system realization of the radar multi - waveform digital pulse compression processing system in frequency domain
本文主要研究雷達多波形頻域數字脈沖壓縮系統的硬體系統實現。 -
This dissertation mainly studies the radar multi - waveform digital pulse compression processing system in frequency domain based on fpga and multi - dsp
本文主要研究基於fpga和多片dsp的雷達多波形頻域數字脈沖壓縮系統及其軟體設計。 -
We use this conclusion in our program. the last, the principle and the precision of the detection of range, speed and angle is analyzed and discussed theoretically. using the precision formula of rectangle pulse waveform, we programming the software to accomplish the computation simulations
在論文中還對雷達的距離測量、速度測量和角度測量的原理以及它們的測量精度進行了理論分析和計算，並且得出了在矩形脈沖波形的時候雷達測量精度的計算公式，並且用程序進行了模擬計算。 -
The factors which influenced the process include the insulator ' s material, structure, the distribution of space electrical field, the way to deal with the surface, the characteristic of voltage waveform, pulse width etc. there are two kinds of theory for the vacuum surface flashover : secondary electron emission avalanche ( seea ) and electron triggered polarization relaxation ( etpr )
影響該過程的因素包括絕緣材料結構、空間電場分佈、表面處理方法、所加電壓特徵，脈沖寬度等。研究真空表面閃絡過程有兩類理論：二次電子發射崩潰（ seea ）和電子引發極化鬆弛（ etpr ） 。 -
Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal
考慮到目標信息提取的相對完整性，以高頻雷達為背景，在對多載波相位編碼脈沖串信號參數設計的基礎上，推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號，在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。 -
This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic
本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究，主要體現在以下幾個方面:首先，從脈沖壓縮基本理論出發，分別給出了線性調頻、二相編碼和頻率步進信號的模糊函數、脈沖壓縮以及頻譜特性，對多普勒性能進行了簡要分析。 -
Verification scheme of pulse waveform parameter measuring instruments
脈沖波形參數計量器具檢定系統 -
Abstract : the high - frequency pulse waveform of wedm pulse generator was analyzed. basic condition method is presented the results is well
文摘:分析了電火花線切割機脈沖電源的高頻脈沖波形，提出了有效的控制方法，獲得了良好的綜合效果。 -
The optical channel models for airborne submarine laser communication are built. the multipath time spreading of signal pulse is studied. the waveform of received signals in receiver in submarine laser communication system is analyzed and simulated
通過蒙特卡羅方法的模擬研究，建立了機載激光對潛通信的光脈沖傳輸模型，研究了信號光脈沖的時間擴展，分析並模擬了接收面上的接收波形。 -
The effects of pulse voltage waveform on physical and chemical water treatment processes include double layer capacitor effect, mass transport, absorption and deabsorption on the surface of electrode
脈沖電壓波形主要影響廢水處理的三個物理化學過程，即：電容效應、液相傳質、吸附和脫吸附。 -
At last, an experiential power supply was made, and a series of experiments is done. a lot of high - frequency pulse current was superposed on dcen current, modulated the welding current waveform we required and optimized the energy distribution, which satisfied the basic requirement of cathode cleaning
最後製作了一臺實驗電源，並進行了一系列的電弧實驗，通過在變極性電源電流dcen基礎上疊加一系列脈沖電流，調制出所需電流波形，實現輸出能量的最優分配，在滿足陰極清理的前提下，最大限度地提高焊接效率。 -
Secondly, this dissertation analyses the method of waveform designing and processing for three hybrid pulse compression signals. the combined signals are improved on the characteristic than the single modulation mode
其次，本文分析了三種組合脈沖壓縮信號的設計和處理方法，合成信號的性能較以前的單一信號有很大改善。 -
With the development of modern digital technology and vlsi, the method of digital waveform synthesis of the pulse compression signals is now widely used in radar systems
現代數字技術和vlsi技術迅猛發展，波形合成已經由傳統的純模擬方法發展到現在的直接數字合成，數字方式獲得脈沖壓縮信號已成為現代雷達普遍採用的波形合成方法。 -
The pulse width trigger circuit, trigger delay circuit are discussed. and a new kind of peak detection module which is implemented by verilog hdl in fpga and greatly enhances the performance of catching glitch is discussed in the dissertation. the waveform recorder function accomplished in the scopemeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time
本文討論了脈寬觸發電路和觸發釋抑電路的實現，採用veriloghdl在fpga中實現了一種峰值檢測模塊，提高了示波表的毛刺捕捉能力，設計的波形記錄（ recorder ）功能模塊能夠對輸入的模擬信號進行長時間連續不斷的采樣量化，並記錄波形數據和及時送顯示。 -
Abstract : in this paper, a principle and method of the speed pulse waveform sampling are introduced. its object is to study an effect of the turning factor on torbulence. test is done in the aerofoil fengwen. on design of the user interface, application of the timer and displaying way of a pape and continuity are specifically discussed. expermental results and analysis is showed at the last
文摘:以翼型風洞為對象，著重介紹了變湍流度對翼型轉捩因子影響的速度脈動波形採集的原理和方法，重點對波形採集系統用戶界面的設計、定時器的應用、分頁顯示和連續顯示等技術進行了具體介紹，並給出了實驗結果及分析。 -
The work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal. the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence. it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals
本文圍繞著多載波相位編碼信號在信號設計與信號處理的若干關鍵問題進行了研究，主要做了以下工作:描述了多載波相位編碼信號（ multicarrierphasecoded ，簡稱mcpc ）的信號形式，給出了其數學模型，對其中相位編碼序列的構成方式與特性進行了分析;從單脈沖和脈沖串兩種信號形式入手，對多載頻相位編碼信號的參數在自相關函數、功率譜密度和模糊方程上的影響作了詳細地討論，對不同調制方式的單脈沖和脈沖串信號進行了比較。
分享友人