bandwidth sampling frequency 中文意思是什麼

bandwidth sampling frequency 解釋
取樣頻率頻寬
  • bandwidth : (帶寬):電纜,鏈路或系統傳輸數據的能力。
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. Code this control code of the recording s bit inside of the 16 the instruction to tell to put in the hdcd in the cd hdcd in the phonograph solution code, is central plains the number this of the high of that short restores out. like this, hdcd can in the cd of 44. 1 orotund number that khzs sampling frequency extreme limit inside, exceed the bandwidth 20 khzs re - appeared out

    在hdcd編碼錄音的第16bit中的這個控制代碼指令告訴放在cd唱機中的hdcd解碼器,把訊號中原本的那個短促的陡高音還原出來。這樣, hdcd就能夠在cd的44 . 1khz的取樣頻率極限內,把頻寬超過20khz的聲音訊號重現出來了。
  2. In the pre - procession of front radio frequency, the super - heterodyne technology which get proper a / d sampling rate through choosing a proper frequency and bandwidth is adopted

    射頻前端預處理採用成熟的超外差技術,選擇合適的中頻和帶寬,得到合適的a d采樣速率。
  3. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了濾波器設計的國內外研究背景和現狀,介紹了本課題提出的意義以及本文的主要工作,論述了開關電容網路原理和基本開關模塊,分析了開關電容濾波器設計的相關因素:電路結構的選擇,對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮,開關的打開電阻對電路的影響,開關電容電路中怎樣減少電荷注入和時鐘饋通,以及整個電路的功耗問題和采樣頻率的選擇等。
  4. The bottleneck of hybrid filter banks adc system is that it cannot sample directly higher radio frequency signal because of lower analog input bandwidth of its adc. in order to remove it, a kind of downsampler model based on nyquist and bandpass sampling theorem is presented, analyzed and proved in time and frequency domain, in addition a downsampler is designed according to the model. on the basis of hybrid filter banks adc system, a class of high speed hybrid filter banks adc system is proposed

    針對混合濾波器組adc系統因其adc模擬輸入帶寬低而不能對頻率較高的射頻模擬信號進行模/數轉換的瓶頸,作者提出了一種基於nyquist采樣定理和帶通采樣定理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種基於該數學模型的sha抽取器,進而在混合濾波器組adc系統的基礎上,提出了高速混合濾波器組adc系統。
  5. The project is to develop the 100mhz wideband digital storage oscilloscope ( wdso ) , typical performance character : input signal - 3db bandwidth is 100mhz, real time sampling frequency is 20msa / s, equivalent sampling frequency is 10gsa / s, resolution is 8bits, dual signal channel, and delicacy is 5mv 5v div per channel , time sweep velocity is 2. 5ns - - 5s div 。 so the project is provided with higher performance - to - price ratio, stronger competitive capacity in market and widest applied foreground at the area of wdso

    本次課題的具體目標是實現100mhz帶寬的數字存儲示波器正樣機的研製,具體主要性能指標達到最高實時采樣率20msa / s 、等效采樣率10gsa / s 、被觀測信號3db模擬帶寬達100mhz 、采樣數字解析度8bit ;雙通道,幅值靈敏度: 5mv 5v div ,掃速2 . 5ns - - 5s div 。該方案具有較高的性價比,較強的市場競爭力和廣闊的應用前景。
  6. 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
  7. In this project, we adopt dsp + fpga structure. for its great flexible and universal characteristic, we will design and develop a digital storage oscillograph based on this structure, which sampling frequency is 5 gsps, bandwidth is 100 mhz

    本項目是採用dsp + fpga結構,採用實時和隨機兩種取樣技術,實現5gsps最高等效采樣率, 20mhz等實時帶寬的手持式數字存儲示波器。
  8. This paper makes out the sampling frequency of bandpass sampling theorem, reduces the data rate after the sampling of broadband software radio ( signal bandwidth is 20 mhz ) and raises information processing speed

    本文確定了按帶通采樣定理采樣的頻率,降低了寬帶軟體無線電(信號帶寬為20mhz )采樣后的數據率,提高了信息處理能力。
  9. The inversion ' s resolution is restricted by seismic sampling rate, dominant frequency and bandwidth used a practical model to prove, and two difference concepts are put forward between seismic resolution and stratigraphic resolution

    用實際模型論證反演的解析度與地震資料解析度的關系,認為反演的解析度受地震資料的采樣率、主頻和有效頻帶的限制,並提出地震分辨和地層分辨兩個不同的概念。
  10. The system discussed in the dissertation has the architecture built with dsp and fpga, we will design and develop a data acquisition system based on this structure, which sampling frequency is 1 gsps, bandwidth is 200 mhz

    本文設計的數字採集系統採用dsp + fpga的智能儀器結構,採用實時取樣技術,實現1gsps最高采樣率, 200mhz帶寬的數字存儲示波器。
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