波數校準 的英文怎麼說
中文拼音 [bōshǔjiàozhǔn]
波數校準
英文
wave number calibration-
The assembly language program collects and processes the data real time. comparing kinds of method of filter and arithmetic of fft, the author select the fir filter to realize pretreatment of signal and radix - 2 fft to distill the characters of librations
通過對各種濾波方法和fft演算法進行比較，本套數據檢測和校準處理系統採用fir濾波對採集到的信號進行預處理，利用基2fft演算法來提取信號的頻率特徵。Calibration specification of digital storage oscilloscope
數字存儲示波器校準規范On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced
在推力矢量試車臺設計方面，設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案，提高了試車臺動架的固有頻率，解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法，推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法，並計算了推力矢量測量精度。The techniques of the barometric height measurement are researched, which is calibrated by gps information and compensated by temperature information. the barometric height measurement channel of high resolution is designed with the help of curve - fitting and digital filtering algorithm
研究了利用gps校準零點、帶溫度補償的氣壓高度測量技術，通過曲線擬合與數字濾波技術，設計了具有較高解析度的氣壓高度測量通道。In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance
在基於dsp的數字變換器平臺中，採用全數字波形校正技術，完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變，充分保障了變換器控制的準確性；採用數字直流分量調節技術，可以精確地對控制信號進行補償，在充分保證輸出性能的前提下，實現了輸出直流分量的調節。Finally, the polarimetric calibration methods based on echo data and image data are proposed, and computer simulations validate the methods
最後分別提出了基於回波域和二維波數域的極化校準方法，模擬結果驗證了該方法的有效性。Several problems must pay attention in the application of digital oscilloscope measurement and calibration
數字示波器計量校準與應用中須注意的若干問題The device can be calibrated so that the prism-rotating dial reads directly in wavelength.
這個裝置可以經過校準，使得校鏡旋轉度盤讀數直接用波長。The data processing part includes fft, filter and averaging, calibration algorithm, smith chart designing, s - parameter algorithm, transmission and reflection caculating, etc. the hardware interface consists of control information protocol, data transfer protocol, status information protocol and the synchronization protocol of the transfer of all the above information
數據處理部分包括快速傅里葉變換、濾波與平均、用s參數表示的傳輸反射特性演算法、表示阻抗特性的史密斯圓圖演算法、校準補償演算法、以及實時測量的實現演算法等。介面部分包括控制信息協議、數據傳輸協議、狀態信息協議以及上述各種信息傳輸的同步協議。In this paper, a " step - by - step " recursive 3 - d frequency - space wed scheme is presented to deal with real data
本文採用三維頻率空間域有限差分波場延拓運算元以「逐步累加」的方式實現了三維波動方程基準面校正，並對實際數據進行了處理。Data of response of three high - pressure transducers are acquired respectively with effect of gas - shock tube and quick - opening valve. dynamic characters of transducers are known fully because of complementarity of data when transducers are calibrated at different frequency bands and pressure ranges. characteristic of excitation signal and its influence for modeling are discussed in this paper
將三種高壓傳感器在氣體激波管和快速閥門上分別得到激勵響應的數據，根據兩者所能校準的頻率段和壓力范圍不同，利用數據的互補性，可以對傳感器的動態特性有全局的了解。Based on the theory of system identification and experimental data, the simulating results of many kinds of parameter models have been compared. among them, we can find a parameter model that can precisely express the dynamic character of measurement system. on the system model constructed, the dynamic error of measuring data is processed by inverse filtering method
本文先後對測試系統進行了多次動態校準，根據所得實驗數據在系統辨識理論的基礎上，比較了多種參數模型的模擬效果，尋找到一類能夠準確地描述測試系統動態特性的參數化模型，並根據所建立的系統模型，採用反濾波方法改進了測試系統的動態特性。That test part of the software is primarily used to complete the test of some parameters, such as time base, time - expand, time interval, voltage interval, vertical, stable state, transient state and scanning linearity. the result of the test needs to be analyzed and judged. clear user interface and timely warnings for mistakes of testing process inside because of the user ' s fault operating make whole test process more easier than it did on a time
該軟體的測試部分主要用於完成對示波器掃描時間系數、擴展掃描時間系數、 t時間測量、 v電壓測量、垂直偏轉系數、頻帶寬度、校準信號、脈沖瞬態響應、掃描線性誤差時等參數的測試檢定任務，並對測試結果進行及時的分析和判斷，由於界面清晰，而且對測試過程中由於用戶的誤操作都有及時的錯誤提示，使得整個測試過程簡單易行，對于用戶來講掌握起來也更為方便些。Aees employs the multi - staged digital filter algorithm to reduce random error. meanwile, the system correct zero deviation through linear opreation. the instrument, from hardware aspect increases the feature of anti - interference by the way of reasonable layout, sepration of digital and analogue
系統採用了中值濾波和滑動平均濾波相結合的多級數字濾波演算法來減小隨機誤差，並以精密基準電壓作為比較信號的輸入，由智能系統通過線性運算，實時地修正、校準測量數據，減小系統的零漂，實現自動定標並提高測量的精度。In the course of remote sensing digital image preparation, the paper, based on many experiments, chooses histogram match for radiation correction, texture filter method for strip noise reduction, and, with tm image in 1996 as the standard, carries out geometric correction and re - sampling of multi - band combined colored image by means of binary multinomial and closest pixel, with the error of one pixel
在遙感數字圖像預處理中，通過多次試驗，採用紋理濾波法消除條帶噪聲，以96年tm影像為參考標準進行二階多項式幾何精校正和最鄰近像元法重采樣，誤差控制在1個像元內。Digital beam forming ( dbf ) is a kind of new technique which based on the antenna beam forming and the well - developed digit signal processing. the technique should convenient obtains high resolution and low sub beam by sufficiently utilizing of the space message received by array antenna. and make the technology of beam scanning, self - calibrating and adaptive beam should be realized easily
數字波束形成（ dbf ）是在天線波束形成的基礎上，引入先進的數字信號處理方法后建立起來的一門新技術，這種技術可以充分利用陣列天線檢測到的空間信息，並易於獲得超解析度和低副瓣，實現波束掃描，自校準和自適應波束形成等。The calibration parameter may save, does not need to carry on the calibration every day, test process is simple
波長，光功率測試同時顯示在不同的窗口，操作方便。校準參數可以存儲，無須每天校準，測試過程簡化。In the fifth chapter, the performance of transconductor - capacitor ( gm - c ) continuous time filter is discussed. due to process variation and parasitics, an automatic tuning is designed for center frequency and quality factor q. also, in this chapter, a two order bandpass filter with tunable is designed. the effects on filter ' s performance of the non - idealities of a cmos ota are studied and the computer simulations at the mos transistor level are carried out
第五章討論了跨導電容連續時間濾波器的性能特點，設計了一個中心頻率可調的二階帶通濾波器，為了使濾波器參數自動調整到設計標準值，從而保持其設計值的實現精度，論文給出了片內自校正（可調諧）環節。Also discussed the methods on how to realize the cwt both in time - domain and frequency - domain and how to design the gm - c bandpass filter used in realization of cwt. in order to optimize the performance of gm - c filter, linearization techniques are investigated and proposed. due to process variation and parasitics, an automatic tuning is designed for center frequency / 0 and quality factor q also, in this thesis, 16 - channel analogue cmos cwt circuit has been realized
論文圍繞連續小波變換的模擬電路實現這一熱點問題，討論了連續小波變換的時域和頻域實現方法；具體分析了并行結構與串列結構的優缺點；研究了頻域法中的跨導-電容帶通濾波器的設計；給出了改善跨導輸入級傳輸特性的線性程度並擴大線性范圍的具體方法；設計了片內自校正（可調諧）環節使濾波器參數自動調整到設計標準值；最後給出了16通道濾波器組實現小波變換的方法。The current harmonics it produces deteriorate the quality of the power source, which eventually affect the other equipment. in order to solve this problem and meet the requirement for standards, such as iec 555 - 2, iec 1000 - 10 - 3 - 2, ieee 519, and iec 6100 - 3 - 2, a lot of power - factor - correction circuits, as the best way to improve power quality, have been developed
所產生的諧波污染了電源的質量，並最終干擾其它電氣設備的正常工作，為了解決這一問題以滿足諸如iec555 - 2 、 iec1000 - 10 - 3 - 2 、 ieee519 、和iec6100 - 3 - 2等標準的要求，許多功率因數校正變換器作為解決這一問題的最佳方法被研製出來了。分享友人