電波分析器 的英文怎麼說

中文拼音 [diànbōfēnxīqì]
電波分析器 英文
wave analyzer
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 電波 : [電磁] radio wave; electric wave; hertzian wave
  1. When measuring the magneto performance parameter ， we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard ， and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ； because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable ， it make the measure of ignition energy become a difficult thing of ignition system performance detection

    在磁電機常規測量時，發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表，而觀測到的波形多為不規則的形狀，根據測量原理，顯然不能用其來做定量的分析；由於點火系統的放電過程比較復雜，伴隨著很強的電磁干擾，點火電流、點火電壓都是變量，使得點火能量的測量成為點火系統性能測試的一個難點。
  2. On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory

    論文著重介紹實現了跳頻通信系統同步的一般方法，並詳細分析和對比跳頻同步系統的捕獲方案，在此基礎上，提出了一個基於匹配濾波器的位移等待式自同步方案，設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單，該自同步方法在實驗室水池實驗取得良好的效果，並在廈門港海域進行了現場實驗測試，具有較低的誤碼率和一定的檢測概率，結果令人滿意。
  3. This paper discusses the designing and making of the dynamic testing systems of engine electronic control system. base on the construction and operation principle of santana 2000gsi m3. 8. 2 engine electronic control systems, design and manufacture led circuit of dynamic testing and fault imitating electronic control unit. on the inspect board, design and equip with motronic 3. 8. 2 ecu i / o measuring joints, design and set up obd - ii diagnostic communication link, design and install fuel pressure inspecting meter. depend on the obd - ii diagnostic communication link and ecu i / o measuring joints, this dynamic testing system can inspect engine electronic fuel injection system, distributorless ignition system, idle speed control system and evaporative emission control system, and can inspect m3. 8. 2 sensors, ecu and actuators, and can interrogate fault memory and erase fault memory ; and can analyse data stream ; and can carry out fault imitating. besides, this paper analyses sensors and actuators typical fault w aves

    2電控單元電路連接器設計製成輸入輸出電子控制檢測端子，並在檢測面板上布置了obd -診斷插座和燃油壓力表。使該動態測試系統能實現對電噴發動機的燃油系統、直接點火系統、怠速控制系統和燃油蒸氣排放控制系統的動態檢測；並通過obd -診斷座、 ecu輸入輸出檢測端子和故障模擬處理單元實現對電噴發動機電控系統各傳感器、電控單元、執行器進行故障碼讀取與清除；動態數據讀取和波形測試和故障模擬等。此外，本論文還分析了傳感器和執行器典型故障波形。
  4. In this paper, the design of a practical sort of high performance biquadrates elliptic active band - pass filters is emphasized, and then the design techniques and how to calculate the resistors and capacitances, how to make computer simulation and tolerance analysis with computer are described in detail

    摘要本文我們重點介紹了一種實用的雙二次型高性能橢圓函數有源帶通濾波器的設計方法，詳細介紹了該濾波器的設計步驟及阻容元件的參數計算，並對設計出的電路用計算機進行模擬模擬和容差分析。
  5. A virtual checkout instrument and harmonic analyzer instrument based on lab view is developed

    用labview編制了虛擬電流互感器校驗儀及諧波分析儀程序。
  6. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波，對勵磁涌流和內部故障電流進行小波分析，並設計微機型變壓器保護基本配置，在以往間斷角原理鑒別勵磁涌流的基礎上，突破傳統精確測量勵磁涌流間斷角的方法，直接對信號小波變換后的波形進行分析，建立一個新的鑒別勵磁涌流判據，該判據對硬體要求不高，可以在現有一般硬體平臺上實現；並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  7. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基於小波脊線和小波曲線的瞬時頻率提取，並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。
  8. In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal

    在傳感器設計一章中，首先對渦流傳感器進行等效電路分析，在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路，並通過微調電容獲得了標準頻率的載波信號；接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案，同時通過旋轉耦合變壓器的引入，使得測量信號輸出問題很好地解決；本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。
  9. This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system, and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments. by combining the two sensors to form a synchronous system, the task of harmonic analysis, phase demodulation, power and wattless power computation is accomplished, which helps to monitor and control the electric power system

    本文詳細論述了電力系統高壓電網電參量的光學測量的一種實現方法，從理論和實驗兩方面研究了基於farady磁光效應的光纖電流傳感器及基於led線性電光轉換特性的光纖電壓傳感器，並聯合兩種傳感器形成了電壓、電流的同步測量系統，實現了諧波分析、鑒相及有功、無功功率的計算，可對電能質量進行監控。
  10. According to the mechanism characteristics of the ac motor, with zero - voltage switching technology, the pdm converter mathematical models both the pwm and rectangular wave control mode are given in this paper. and the voltage and current harmonic analysis and the simulation waveforms of the output voltage, current and power are also described respectively

    根據交流電機在恆轉矩區和恆功率區的特性，結合零電壓開關技術，分別給出相應的脈寬調制控制（ pwm ）方式和方波控制方式下的高頻交流脈沖密度調制變頻器的數學模型，電壓和電流的諧波分析以及輸出電壓、電流和功率的模擬波形。
  11. By combining the latest breakthroughs in dsp and pc ( personal computer ), the proposed power quality network monitoring device in this paper is capable of major functions provided by conventional power quality monitoring device, such as frequency analysis, long term voltage fluctuation and transient voltage analysis

    該系統是建立在數字信號處理器（ dsp ）和pc網路的基礎上，首先該系統具有了傳統電能質量分析儀的譜分析、長期電壓波動和一些暫態電壓分析等功能，並提供了簡單的錄波功能。
  12. Thus, it is difficult to find the voltage reference for the harmonic analysis. since acem are always operated near to the synchronous speed, the frequency of the excited voltage is very low, even to zero. therefore, this is the power harmonic suppression study of a complicated power supply system, in which the about harmonic general theories and methods are all inapplicable

    現代交流勵磁電機（ acem ）採用電力電子變流器作為勵磁裝置，其勵磁電壓諧波含量豐富，難于獲得諧波分析所需的電壓基準，同時交流勵磁電機經常工作在同步轉速附近，致使勵磁電壓頻率極低甚至為直流，通常的諧波檢測方法和理論都無法適用，因而這是一種目前尚未深入探討過的復雜供用電系統電力諧波抑制問題的研究。
  13. By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately

    論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點，提出了新的單端行波故障測距方法，它不僅能夠有效地識別出測距所用的反射波，而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響，在近區仍可以準確地進行測距；同時模擬阻波器的特徵，設計了低通數字濾波器，對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析，並利用本文提出的單端行波故障測距方法進行故障定位，結論是所提出的測距方法在實際應用中仍是有效的。
  14. In this paper phase shift full bridge sreies - parallel resonant converter is expatiated witch is good project for design of high - voltage high - power power at present. besides those we discussed basic process and practical rc load model of sreies - parallel resonant converter

    論文闡述了移相控制的全橋串並聯諧振變換器，目前它是滿足高效、高功率密度、高壓大功率直流電源設計的一種很好技術方案；本文闡述了運用基波分析方法建立的串並聯諧振變換器的等效電路模型。
  15. And then, we analyze the nonlinear properties of limiting amplifier. due to the typical nonlinear properties of limiting amplifier, we studied the method of academic analysis for microwave nonlinear circuit and the nonlinear circuit model of transistor in detail

    由於微波限幅放大器的工作是典型的非線性特性，我們研究了非線性電路的分析方法和微波晶體管的非線性模型，詳細得介紹了諧波平衡法這種重要的非線性電路分析方法。
  16. Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault

    鑒于實驗室已有的小電流接地系統選線硬體的研製只通過了實驗室里的動模試驗，故選用matlab軟體對小電流接地系統進行大量的單相接地故障模擬試驗，模擬的采樣率和硬體基本一致，由於硬體中帶有低通濾波器，故在進行采樣數據的morlet小波分析時先採用db15小波對采樣進行一維離散小波的多尺度分解，使得分解得到的低頻信號剛好包括了小電流接地系統單相接地故障時的暫態高頻信息，然後對這一信息再繼續進行小波演算法分析，分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。
  17. In the course of the design, critical technologies are applied, such as digital phase - locked loop, fast fourier transform algorithm, universal asynchronous receiver & transmitter, and so on. in the project, as a important component, the module of monitoring the buses " power quality takes a long time

    在設計過程中，使用的關鍵技術有：使用cpld模擬多路sspc多種狀態；在對匯流條電能質量的監測過程中採用頻率跟蹤技術? ?全數字鎖相環；應用fpga技術使用fft運算進行諧波分析；通用異步收發器等技術。
  18. Formation of power system harmonic model of mine and design of harmonic filter for mine hoister

    煤礦電網諧波分析模型的建立與濾波器設計
  19. The steady state and transient characteristics of the aceg system are simulated, the harmonics of the emf and stator current and rotor current as well as mc ' s input current are researched. the operation characteristics of aceg with mc as an exciter are compared to those of aceg with ac - dc - ac converter and cycloconverter as an exciter. the results in this thesis will be helpful to the design of the aceg excitation control system

    利用所建模型，對交流勵磁發電機系統的穩態調節特性、暫態特性進行了模擬研究；模擬研究了發電機定、轉子電流和感應電勢及變頻器輸入電流波形，並作了相應的諧波分析；與交-直-交變頻器和交-交變頻器作勵磁電源時發電機的運行特性進行了對比分析。
  20. The design of software is composed of the development of virtual panel interface and the research of algorithm of measuring electric variable. the most popular vc + + 6. 0 is used here to complete the development of the former which concludes the dynamic display of input wave - form, real - time displaying rms, power and power factor, harmonic analysis and measuring the voltage fluctuation and flicker

    其中，虛擬儀器面板界面的開發在目前最流行的可視化編輯工具visualc + + 6 . 0 （ mfc ）下實現，完成了輸入電壓、電流波形的動態顯示，波形頻率、有效值、功率以及功率因數的實時顯示，諧波分析以及電壓波動和閃變的檢測。
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