示轉器 的英文怎麼說
中文拼音 [shìzhuǎnqì]
示轉器
英文
revolution indicator-
Turn both handles of the rotary slide valve ( pos. no. 15 ) and the clutch to the emergency position, and the annunciator “ emergency ” is lit on
轉動旋轉滑閥15和離合器手柄到應急位置,指示器「應急「燈亮。The law of conservation of angular momentum may be demonstrated with a gyroscope.
角動量守恆定律,可以用回轉器來演示。This paper introduces the basic theory, structure, data transfer protocol of ds2450 1 - wire quad a / d converter, and the application of four channel digital storage oscilloscope
摘要介紹了ds2450單總線四通道模擬轉換器的基本原理、結構、數據傳送協議,以及在四通道數字存儲示波器中的應用。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。2. i researched the process of the conversion of analog signals in the dso and enhanced the compatibility and the stability of the channels
2 .研究了示波器的信號模擬轉換的過程,改進了模擬通道的工作的兼容性和穩定性。The cpld can offer its particular functions. for example, reducing the number of components and devices, making the layout board convenience and simple, decreasing the device ' s volume. it is propitious to make portable oscilloscope
選用一般的a / d轉換器和up控制器即能實現對高頻率的重復信號進行測量,大大降低了成本和外圍電路復雜程度和設備體積,有利於製作便攜式示波器。In the time - domain, based on the principle of random sampling of dso. two way ( " time amplifing in dual slope integral " and " time - voltage convert " ) are implemented to measure the time between the system triger and writing clock. thus random sampling interpolate can be done to measure repeated signal in high frequency with the a / d convert and controller which frequency are lower
在時域,根據數字示波器隨機取樣原理,用兩種方法(雙斜率積分時間放大測量方法和時間? ?電壓轉換測量方法)測量數字示波器系統觸發和采樣寫時鐘間時間間隔,用低速a / d轉換器及控制器進行模?數轉換和控制,以此進行隨機取樣內插,從而實現了對高頻率重復信號的測量。Indicates whether the converter can convert a
指示轉換器是否可以將Indicates whether the converter can convert the specified type to a
指示轉換器是否可以將指定類型轉換為Retrieves a value indicating whether the converter can convert an object to a string
檢索一個值,該值指示轉換器能否將對象轉換為字元串。A parameter indicates whether to clear the internal state of the encoder after the conversion
一個參數指示轉換后是否清除編碼器的內部狀態。A parameter indicates whether to clear the internal state of the decoder after the conversion
一個參數,指示轉換后是否要清除解碼器的內部狀態。After a brief discussion about the dso theories and its system construction, we go on with the hardware circuit designs of dso, namely, anologe channel, fpga, dsp, a / d converter, lcd. the main part of this paper focus on the design of the peripheral controller, which is implemented by fpga and almost includes all of the digital circuits of the dso
在對示波器工作原理和系統結構進行簡要的討論之後,本文對dsp核心控制電路、 fpga晶元和外圍電路、 lcd顯示控制器、模擬通道、高速a / d轉換等示波表系統的硬體電路的設計進行了簡單介紹。The signals are transformed into digital signals and sent to a computer. digital signal processing includes amplifying the sound signals, low - pass filtering, wavelet transform for de - noise and analyzing power spectra using matlab software. for different species of pests the acoustic characteristics are different in time domain and frequency domain
害蟲聲信號採集系統由日本產teac ;四通道錄音機(數字記錄儀)記錄害蟲爬行聲信號,數字示波器將聲信號轉變為數字信號送計算機存儲,由matlab軟體對數據文件進行信號處理,包括信號的再現、放大、濾波、小波去噪、功率譜分析等工作。A disassembler turns object code that is in a machine - readable format as shown in listing 1 into something human - readable as shown in listing 2
反匯編器把機器可讀格式的目標代碼(如清單1所示)轉換成人們可讀的代碼(如清單2所示) 。The main chip of the usb interface circuit is a cypress semiconductor ' s product, cy7c64613, which has intergrated usb sie ( serial interface engine ) and enhanced 8051. the oscilloscope module is realized according to the real time sampling principle. it has two signal chunnels and a dual 8 - bit dual a / d converter whose most sampling rate is 40msps, so two signal acquisition can occurs in the same time
隨后介紹虛擬儀器測試平臺中各硬體模塊設計實現: usb介面的主晶元是cypress公司的cy7c64613 ,此晶元集成了usbsie和8051核;示波器模塊根據實時取樣原理實現,採用雙8位a / d轉換器,提供兩條信號通道,可以同時採集雙路信號,最高的采樣率為40mhz ;信號源模塊採用直接數字合成( dds )原理實現,它所能產生的信號頻率為10hz 5mhz ,最小頻率解析度為9 . 537hz 。For above purpose, we must synchronously and constantly acquire several signals, such as stator voltages, stator currents, rotor speed of asynchronous motor and so on, and synchronously save, dynamically display, fully analyze and process the acquired signals. apparently, the traditional measuring instruments ca n ' t satisfy these special requirements. if the digital storage oscilloscope is adopted to record data, it ca n ' t resolve two problems : the low storage capacity and the poor data analysis and process
為了達到上述目的,需要同步、長時間地採集異步電機端部電壓信號、電流信號、電機轉速等多路信號,並對採得的信號進行實時存儲、動態回放和分析處理,採用傳統測量儀器已經不能滿足這些要求,採用數字存儲示波器記錄數據,存在存儲深度不夠及數據分析處理的問題。This work is part of the design of 500m sampling digital storage oscillograph and the assignment is to develop the gpib ( general purpose interface bus ) instrument driver. the controller is able to operate the dso in distance using the instrument driver. the task consists of the programming of the gpib - rs232 convertor ( the hardware is well developed ), which enables communication between the dso and the controller, the development of the instrument driver and the design of dso control panel
本課題是科研項目? ? 「帶寬500mhz的數字存儲示波器dso ( digitalstorageoscillograph )研製」的一部分,任務是完成gpib ( generalpurposeinterfacebus )儀器驅動器的相關研發,包括在gpib - rs232程式控制轉換器硬體基礎上完成監控程序設計,實現測控機和dso的底層通信;以及在此基礎上設計示波器的儀器驅動器和示波器虛擬面板。In order to design a simple digital storage oscillograph under low price and high performance, on the basis of introducing the principle of simple digital storage ocsillograph, the project of simple digital storage ocsillograph is stuied, the d / a and signal display module of simple digital storage oscillograph is designed by the mcu and integrate circuit technology, the hardware block diagram provided in detail
摘要為了設計出一種價廉物美的簡易數字存儲示波器,在介紹簡易數字存儲示波器工作原理的基礎上,對簡易數字存儲示波器的設計方案進行了研究,並採用單片機和集成電路技術,對該簡易數字存儲示波器的信號顯示模塊進行了設計,具體給出了數模轉換器和信號顯示模塊的硬體電路圖。The instrument of multi - function digital signal display is introduced. the instrument can display different content such as velocity, rotational speed and counter depend on setting different parameters
摘要設計了一種用於脈沖信號測量的數顯表,該表可以通過給微處理器設定不同的參數對所測的脈沖信號顯示不同的內容,具有線速度顯示、轉速顯示、計長顯示、計數顯示等多種功能。分享友人