波形線 的英文怎麼說
中文拼音 [bōxíngxiàn]
波形線
英文
wave line-
Given the abilities of generating all kinds of ideal and not ideal signals, it has been widely used in the domains of communication, radar, navigation and astronavigation
它可以產生各種理想及非理想的波形信號,是電子工程師、生產線以及教學科研的重要測試設備,廣泛用於通信、雷達、導航、宇航等領域。According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。Let's now examine the simplest wave form where the profile is a sine or cosine curve.
現在讓我們來考察最簡單的波形,它的剖面圖是正弦或餘弦曲線。The nonlinear wave shape degenerates to a sinusoidal wave.
非線性波形衰減成正弦波。The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.
曲線形相位特性減小了波形振幅峰值。First, this paper gives a method, which is utilized by baseband system according to wcdma system capability requirements, using asic + dsp to realize raker, using dsp + dsp to realize symbol process. the hardware structure of asic + dsp and dsp + dsp is designed from the whole design view. then, the discussion is made of the main function module of ic2001 and dsp, hi module, dsp peripherals on chip such as hpi, edma and emif
文章首先結合wcdma系統性能要求提出了基帶系統所採用的方案,由asic + dsp實現rake接收機功能和dsp + dsp實現符號級處理功能;然後從總體規劃的角度設計出asic + dsp和dsp + dsp系統硬體結構,對ic2001和dsp的主要功能模塊, hi模塊, dsp片上外設hpi口、 edma和emif總線作了分析,並結合基帶處理功能開發了系統驅動;最後由信號源發出測試數據進入系統,進行功能實現后輸出數據繪制出波形圖,對所設計的基帶系統驅動方案進行驗證分析。Resting the mouse pointer over the squiggle will turn the symbol into a smart - tag panel
在將鼠標指針停留在波形曲線上時,該符號將會變成一個智能標記面板。The lcf behavior of a recrystallized zircaloy - 4 plate at room temperature and 400 show that alloy has better lcf property at rt than at 400, and cyclic hardening at 400 which could be attributed to the dynamic strain aging effects. it is noticeable that the hydrided plate has the same cyclic behavior as the above unhydrided sample at room temperature
在400下,合金錶現出與常溫下不同的循環特性,其循環穩定滯后回線出現鋸齒狀波形,且在整個疲勞過摘要程中呈現出一致循環硬化的現象,這主要是因為合金在400下發生動態應變時效效應的結果。The metal oxide varistors ( mov ), as the core organ, made under japanese technology license. it have good response to steep front surge, excellent volt - amper characteristics and high discharge capability, which provides a very consistent protection merit at steep front surge, lightning surge and seitching surge, and enhances protective capability
它具有良好的陡波響應能力、卓越的非線性伏安特性和巨大的通流容量,在尖頂波、操作波和雷電波下均有優異的保護能力,工作性能幾乎不受波形影響。Although many achievements have been acquired in oled structure material, production technology, drive methods, oled technology is just at the beginning, oled has given an equal chance for every company and country, and it is very important for our country to develop displaying technology of our own. the research direction of oled is managing to improve the device lifetime, at the same time found a perfect production technological flow and the global standard production mode. it is still a arduous mission that we want to live up to a batch production of oled displays in the future some years. active matrix organic light emitting diode ( am - oled ) adopts a circuit structure based on matrix addressing, and its driving circuit includes pixel driving circuit and peripheral driving circuit
在文中,首先,分析和研究了有源oled的像素驅動電路,闡述了amoled顯示屏及其周邊驅動電路的結構和原理;其次,提出了qvga解析度的有源oled顯示屏列電極數據引線的分塊( block )方法,確定屏上驅動電路所需要的控制信號之間時序關系和幅值要求;最後,以fpga控制器的設計為核心,對外圍控制ic進行了具體設計,建立控制器電路模塊模型和演算法流程,通過quartus軟體對其內部的各個電路模塊進行綜合設計和模擬,得到了正確的模擬波形,完成了解析度為qvga ( 320 3 240 )的amoled專用驅動電路的設計。For a x - directed line current with lengh much smaller than a wave length, the e - field pattern on coordinate planes in 3 - d space in the region from much smaller than line length to one or two wave length, the synthesized pattern by summation of the field of many line segments of hertz dipoles is independent of the number of segments, i. e. same field as a single hertz dipole
以水平面上三角形甚小於波長線電流為例,分割為若干小段之赫芝偶極所加總合成在三度空間任意座標平面上距離從甚大於線長到一兩個波長區域之電場場型與分割小段數量無關,即等同於一單一赫芝偶極之場型。It is composed of a cvt embedded voltage monitor and voltage quality analysis software. the monitor can detect voltage amplitude and voltage harmonics on line, and record waveform of disturbance voltage. the sampled data can be stored in computer by communication and can be reprocessed by the analysis software
在理論分析研究的基礎上,設計了一種cvt嵌入式電壓質量監測儀,它由cvt嵌入式電壓監測儀和電壓質量監管軟體組成,可以在線檢測電壓幅值和電壓諧波,記錄電壓擾動波形,並在上位機實現數據二次處理和統計管理。It uses modulated waveforms and directive antennas to transmit electromagnetic energy and extract target information from echoes
雷達使用調制的波形和定向天線發射電磁能量,並從回波中提取目標信息。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。Abstract : with a view of time - varying characteristic of the v ibration signal measured on reciprocating machinery and a brief introduction to the wavelet analysis and a nonlinear wavelet denoising theory, the paper makes an approach, by taking an triplex pump widely used in heavy machinery as an exa mple, on the waveform feature extraction which reflects the various conditions o f reciprocating machinery with nonlinear wavelet denoising analysis method
文摘:針對往復機械振動信號的非平穩時變特點,本文在簡述小波分析及非線性小波消噪理論的基礎上,以重型機械使用的三缸泵為例,研究了用非線性小波消噪方法提取往復機械狀態下的波形特性。Thus, space - charge field in excitated photoconductor can intensity influence not only the shape of photo - electric current of pcss ' s, but also the terahertz out put of photoconducting antenna. in this paper, the forming and movement of space - charge field are simulated by means of fdtd method
觸發條件下光電導體內部電場不僅顯著的影響光電導開關產生超快電脈沖的功率、波形,而且對thz偶極天線的輻射功率也有明顯的影響。On the basis of the theory of fractal geometry, the fractal dimension characters of ae signal at different tool wear states were analyzed, an algorithm was provided to decide the scale range which is necessary to calculate the dimension of non - fully - fractal form. the experiments showed that the fractal dimension of ae signal is slightly effected by the changes of cutting parameters ; the variance of the fractal dimensions, which reflects the geometric characters of ae signals, has the same tendency as that of the flank wear, the monitoring system, which takes the fractal dimension of the ae signal as the feature, can identify the different tool wear states more correctly under different cutting conditions
以分形幾何理論為基礎,對刀具不同磨損階段聲發射信號的分形特徵進行分析.提出了計算非完全分形體信號波形的關聯維數時尺度范圍的確定方法,分析了聲發射信號在刀具磨損過程中分形維數的變化特性.刀具磨損切削實驗數據表明,聲發射信號的分形維數受切削參數變化影響較小;分形維數反映了聲發射信號的幾何特徵,其大小能較好地反映刀具的不同磨損狀態.實驗結果表明,該方法能正確地實時在線監測刀具的不同磨損狀態It can make the analysis report on the basis of the abstract nation standard. based practical analog analysis in some partial power net, obtain the harmonic oscillation characteristic curve, and verify the software is right
通過對某局域電網的實例模擬分析,結果表明,獲得了諧波諧振特性曲線,還根據實際測試數據,恢復了電網實際電壓電流波形,驗證了軟體的正確性。Production of corrugated yarn and design of pattern woolen cloth
波形線的加工和花式編織呢的設計We first introduce the basic methods of speech processing in time domain. emphatically, we describe linear prediction and tonality detection of speech signal. moreover, we discuss the g. 726 speech waveform coding standard in details
本文首先介紹了語音波形時域分析處理的基本方法,對語音波形線性預測和音調檢測技術作了重點描述,著重研究了g . 726語音波形編碼演算法,並在此基礎上,對該演算法進行了某些探討改進,並用vc + +編程,在pc機平臺上予以實現。分享友人