dso 中文意思是什麼
dso
解釋
對象-
As a new development in the field of electronic oscilloscopes a hand - held digital oscilloscope is a truly integrated test tool, with digital storage oscilloscope ( dso ), multimeter and digital ondometer in one easy - to - use instrument
=手持式數字示波表是示波器技術的一個新的發展方向。通過使用大規模集成電路和液晶顯示器，它把數字存儲示波器、數字頻率計、數字萬用表組合在一個手持式儀表體內。 -
To facilitate land boundary survey, each dso maintains comprehensive land records, containing information on land boundaries, previous surveys and proposals for land use
為了方便土地界線測量，每個分區測量處都存有詳盡的土地紀錄冊，記載了地塊界線、過往測量工作以及土地用途建議等資料。 -
The handset dso is a kind of portable dso and it is widely used in some special spaces. now, our country can produce the handset dso. it can display the waveform of some signals correctly, change the way of the trigger
而手持式數字示波器除了具備普通示波器的示波功能，更有小巧、便攜的優點，這也使其在某些特殊場合的應用更加廣泛。 -
Dso is equal to ( a / r divided by annualized sales ) x 365
庫存周轉率=當年產品銷售成本（取12個月的累計數） /庫存（取12個月的平均余額） 。 -
First of all, the paper illustrates kinds of dso, theory of random sample convert and the task " aim
本文首先介紹了數字化示波器的分類，隨機采樣技術的基本原理及課題任務。 -
The controller can work hormonally with the other parts of our dso, both the hardware and the software
整個外圍控制器的的硬體電路與系統其他軟、硬體部分協調工作，很好的實現了示波表的各項功能。 -
I added the trigger circuit to the dso. 3
增加了觸發的硬體電路，完善了本款示波器的觸發的方式。 -
Poweron : it turn on dso scope power, call it at beginning when load program first
打開示波器電源，在程序開始時調用，因為示波器即使接通電源，亦處在休眠狀態，必須軟體初始化。 -
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。 -
Portable dso ( digital storage oscilloscope ) is the extension and development of the conventional oscilloscope. they are more integrative, more powerful and less power consumption, as well as their portability meets the demand of the electronic instrument
便攜式數字存儲示波表（ dso : digitalstorageoscilloscope ）是傳統電子測量儀器模擬示波器功能的延伸和發展，它充分利用了當今集成電路所具有的高集成度、超低功耗等優點，而且也滿足了人們對電子儀器設備的便攜性需求。 -
But, with the development, it can ’ t meet the need of modern manufacture more and more. as a result, handhold digital storage oscilloscope is studied. handhold dso is an important genre of digital storage oscilloscope, it ’ s outstanding feature include small form, use battery instead of ac supply for power, and include the whole function of dso while implementing the basic function of multimeter. handhold dso can measure wave range automatic, analyze wave use cursor, measure resistance 、 diode and short circuit if choice digital multimeter
手持式數字存儲示波器是數字示波器的一個分支，它具有體積小、重量輕、便於攜帶、電池供電、無須外接交流電源等優點，它集數字萬用表（ dmm ） 、數字存儲示波器於一體，可自動對信號進行幅度的測量，也可用光標對波形進行分析，同時還可以通過菜單選擇來實現對電阻、二極體以及電路通斷的測試;可以選擇觸發通道和觸發模式。 -
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。 -
This is really my first dso image. now i still remember how exciting i was when saw the shadow of the horsehead nebula
這是我第一張真正意義上的深空，我現在還記得當我看見馬頭星雲影子時的興奮。 -
The digital storage oscilloscope ( dso ) will replace analog oscilloscope
數字存儲示波器（ dso ）將取代模擬示波器。 -
The dso can interface with user perfectly, which includes a liquid crystal displaying of 320 240 lattices and a 4 5 matrix keyboard
該系統採用了320 240點陣的lcd顯示器，配合4 5矩陣鍵盤以及圖形用戶界面（ gui : graphicaluserinterface ）軟體，很好地實現人機交互。 -
For good net working capital management, it is desirable to have relatively lower a / r dso
較高的庫存周轉率對凈營運資本的良好運作很重要。 -
The techniques of establishment and access for multidimensional dataset are discussed. we implement multidimensional query, including drill up / down, slicing etc, and the update of multidimensional data set by the technique of mdx, ado md and dso. the expression of operation by graphic is also implemented
對多維數據集的生成和訪問技術作了討論，通過mdx 、 adomd和dso技術實現了olap多維查詢和多維數據集的更新，其中包括淺化、深化、切片等操作，並進一步實現了操作的圖形化顯示。 -
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 project is to develop the 100mhz bandwidth, equivalent sampling frequency is 1g / sa, resolution is 8bits, dual signal channel, and delicacy is 5mv - 100v / div per channel, time sweep velocity is 20ns - - 5s / div digital storage oscilloscope ( dso ) 。 achieved equivalent sampling is innovative and main content of the project
本設計的具體目標是實現帶寬為100mhz ，等效采樣率為5gsa / s ，采樣數字解析度為8bit ;雙通道，幅值靈敏度為5mv 100v / div ，時基為: 10ns 5s的手持式數字存儲示波器.等效采樣的實現是本設計的創新點和主要研究內容 -
Based on the functions of the gpib - rs232 convertor, we can develop th e instrument driver and the dso control panel. thanks to labwindows / cvi, with its great help, we can finish these tasks in a much easier way
在介面通信完成的基礎上，可以根據示波器的功能開發示波器的儀器驅動器以及示波器的虛擬控制面板。
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