echo power 中文意思是什麼
echo power
解釋
回波功率-
The method that absorb return circuit design used in power design and electromagnetic valve drive circuit, system power and operating supervision to mcu and redundancy and digital filter technology to the time interval to send wave and echo are used in system design to ensure the reliability and accuracy of measure and control system
本系統在電源設計、電磁閥驅動電路中的吸收迴路設計、系統主電源和訛u運行監控以及採集的對發射波與回波時間間隔數據採用的冗餘技術和數字濾波措施，保證了測控系統的可靠性和精確性。 -
Just so, i believe, the experience of beauty is an echo of the order and power that permeate the universe
由此，我得出一個觀點：人類對美的體驗中暗含著秩序和力量的影子，而這些秩序和力量充斥著整個宇宙空間。 -
Wind firms ' worries echo those in the solar - power business, which is also booming but where a shortage of polysilicon has hampered growth
風力公司擔心像太陽能利用時因為缺少多晶硅以致阻礙發展那樣會出現導致不利於風能利用發展的情況。 -
This paper is mainly about land clutter and sea clutter. it meanly introduced scatter character, radar echo signal range, and power spectrum model. in the end, a hardware realization of producing a specified power spectrum is given
本文主要研究了地、海雜波的散射特性、回波幅度特性和頻譜分佈模型，並且給出了一種硬體實現產生具有一定頻譜特性的雜波的方案。 -
Then the paper dicusses the implemention of the modem based on dsp, describes the parts of the modem, design and implement the circuit of the modem ' s echo cancek ring detection -, status supervise and power supply after the detailed research on the dsp ' s performance ? function, memory space and work mode. studies the device driver of the ppsm, develops the modem ' s driver, includes the idma read and write, download page, event handle, send data and receive data
隨后，論文論述基於dsp的modem的設計，對modem的總體結構進行了描述，在對系統使用的dsp晶元adsp2187的性能、功用、存儲器空間和工作模式作了細致研究后，設計和實現了modem的回聲抑制、振鈴檢測、狀態監測和電源等硬體電路，並對ppsm操作系統下外設的驅動程序進行了研究，開發了ppsm下modem的驅動程序，包括idma讀寫、下載頁面、事件處理、發送和接收數據的程序。 -
The results show that ( 1 ) the " prediction & cancellation " method can successfully smooth the reverberation and sharpen edges of the echo, so may detect echoes which power are great than the reverberation background by odb in one channel, ( 2 ) the scaled probabilities method can effectually separate a echo which power is great than the background by 6db, while the reverberation is cancelled dr astically
果。計算結果表明， 「預測一抵消」演算法對混響有平滑作用，對回波則有突出信號邊緣的作用，單通道情況下的最小可檢測信號干擾背景功率比約為odb 。概率凈化演算法在信號干擾背景功率比大於6db的情況下能有效分離回波、抑制混響。 -
The claim has been made upon the results that the wmt method should be used in the area near the vertical, while the phase difference method in slant beams and a rule has been given to select among those two methods according to the " effect value " on condition the depth is known for the consideration of improving the measurement precision, this paper studies the factors which affect the toa measurements, and three expressions of precision has been introduced as to applications of phase difference method, this paper introduces an automatic hunting method based on amplitude power to get the range of echo arrival
採用方差分析的方法，使用重復海試數據對wmt法和相位差法的優劣進行了分析，指出了垂直附近應該使用wmt法，而傾斜波束應該使用相位差法；給出了在深度真實值已知前提下wmt法和相位差法使用的判決準則，即根據效應值的大小來選擇。本文從提高測量精度角度出發，分析並驗證了影響toa測量精度的因素；給出了三種精度表示。在應用相位差法時，引入了一種基於幅度能量的區間自動搜索方法；實驗表明該方法能很好地確定回波到達的大概時間范圍。 -
Most present acoustic level gauges use a sound generator which can produce high - power acoustic waves and a microphone which can detect the echo signal. the fluid level can be worked out based on the artificial analysis of the echo curve
目前正在應用的井下液位測量儀器，主要是通過爆炸聲源產生大功率聲脈沖信號，利用微音器接收回波信號，人為地對回波信號曲線進行分析來估算液位。 -
At first, we build models of echo signal and several typical noise interferences and then analyze effects on uwb sar by interferences with different power, bandwidth and type. so a good beginning for later work is made
本文首先建立了回波信號和幾種典型噪聲干擾的模型，分析了不同功率、帶寬和類型的噪聲干擾對uwbsar的干擾效果，為后續工作奠定了良好的基礎。
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