two-channel measurement 中文意思是什麼

two-channel measurement 解釋
雙道測量
  • two : n. （pl. twos）1. 兩人；兩個東西，一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • channel : n 1 水路，水道，渠，溝；海峽；河床，河底。2 （柱等的）槽，凹縫；【機械工程】槽鐵，凹形鐵。3 〈比...
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. Analysis the cause of channel disaccord of gain and phase, give four methods of gain and phase calibration, computer simulation illustrate the that the methods are effective. in the chapter 4, the basic relation of phase interferometer of one dimension, two dimensions, and the measurement accuracy and the approach of solving the phase ambiguity in the phase interferometers have been discussed in detail

    第四章對相位干涉儀進行了較為詳細和系統的研究，給出一維相位干涉儀的基本關系式，分析了五通道相位干涉儀測向定位演算法及其性能指標，對解相位模糊問題進行了探討，在ccss中模擬了測向演算法，模擬結果證明了演算法的正確性。
  2. Basic technical parameter requirements and methods of measurement on multichannel sound television receivers using the nicam two - channel digital sound - system

    採用nicam雙通道數字聲系統多聲道電視接收機的基本技術參數要求與測量方法
  3. Methods of measurement on receivers for television broadcast transmission - electrical measurements on multichannel sound television receivers using the nicam two - channel digital sound - system

    電視廣播傳輸接收機測量方法.用nicam兩頻道數字聲音系統的多頻道伴聲電視接收器電氣測量
  4. Recommended methods of measurement on receivers for television broadcast transmissions ; part 5 : electrical measurements on multichannel sound television receivers using the nicam two - channel digital sound - system

    電視廣播接收機的推薦測量方法.第5部分:使用nicam雙聲道數字音頻系統測量多聲道電視接收機
  5. Recommended methods of measurement on receivers for television broadcast transmissions - part 5 : electrical measurements on multichannel sound television receivers using the nicam two - channel digital sound - system

    電視廣播發射接收機測量的推薦方法.第5部分:使用nicam雙聲道數字音響系統對多聲道電視接收機的電測量
  6. Recommended methods of measurement on receivers for television broadcast transmissions - part 5 : electrical measurements on multichannel sound television receivers using the nicam two - channel digital sound - system ; amendment 1

    電視廣播接收機的推薦測量方法.第5部分:使用nicam雙聲道數字音頻系統對多聲道電視接收機的電氣測量.補充件1
  7. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  8. Methods of measurement for equipment used in terrestrial radio - relay systems. part 2 : measurements for sub - systems. section two - stand - by channel switching equipment

    地面無線電接力系統所用設備的測量方法.第2部分:分系統測量.第2節:備用波道倒換機
  9. Therefore, in order to evaluate the performance of the two basic algorithms in detail, two typical mobile communication channel models ( cost 259 and t1p1 ) are employed for further detailed simulation, and the corresponding performance is evaluated by rmse and cdf. in this simulation, many relative parameters are examined, such as the cell size, the number of base stations taking part in the location service, equipment measurement errors, nlos effect, and the positions of bss etc. the simulation results show that, taylor algorithm and chan algorithm fit in various simulation environments

    為了詳細評價這兩種基本定位演算法的性能，本文就兩種典型移動通信通道環境模型（ cost259和tip1 ） ，研究了多種參數對定位演算法的影響，包括蜂窩小區的大小，參與定位的基站個數，設備測量誤差，通道中的nlos誤差和基站排列方式等等。
  10. The functional module and the mainboard compose an automatic measurement instrumentation with real - time data acquisition and processing function. this module involves two multi - channel adc and the sample clock is shared between these adc so as to synchronization

    本模塊使用了單片集成多通道同步a d轉換器，並在轉換器之間共享采樣時鐘的方法在模塊內部實現了通道間同步。
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