false signal 中文意思是什麼

false signal 解釋
錯誤信號
  • false : adj (opp true)1 虛偽的,虛假的,捏造的;撒謊的,不誠實的;錯誤的。2 不正的,非法的。3 假造的;...
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  1. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章對虛假圖像干擾進行了研究,通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較,推導了干擾信號的生成公式,對干擾信號的特徵作了詳細的分析,並結合實測數據做了模擬實驗。
  2. The signal processor is the centre of radar, and cfar processing technique is one of the most important methods to control false alarm probability in radar auto - detecting system

    雷達信號處理機是雷達系統的核心部分,而恆虛警處理是雷達自動檢測系統中控制恆虛警的重要手段,它在雷達自動檢測過程中起著極其重要的作用。
  3. With the conditions of constant false - alarm probability and low signal - to - noise ratio, the signal - to - noise ratio can be improved by reducing the effects of background interference and random noise

    在恆虛警概率條件下,該演算法可以在低信噪比的情況下,減小背景干擾和隨機噪聲的影響,提高信噪比。
  4. There are two ways to enhance the radar ' s detection performance : ( 1 ) for certain signal to noise ratio, choose a optimum detection threshold, whose false decisions producing minimum cost under the preset cost rules ; ( 2 ) basically reduce the false decision probability by increasing echo ' s snr

    雷達在噪聲背景中檢測信號是一個概率問題,提高雷達的檢測能力可歸結為如下兩個途徑: ( 1 )在信噪比一定的情況下,選擇一最佳門限,使其在一定風險準則下錯誤判決產生的「代價」最小。 ( 2 )提高回波信號的信噪比,從根本上減小錯誤判決的概率。
  5. In this paper, according to the theory of signal detection and estimation, the optimal receiver pattern of pn code signal is introduced and theoretically, the relation curve of the probability of the correct detection with the input s / n ratio under the different probabilities of false alarm is illuminated

    根據信號的檢測和估計理論,文中分析了數字相關器實現偽碼信號接收的最佳模型,從理論上計算了在不同的虛警概率下,檢測概率隨輸入信噪比的變化曲線,並分析了doppler效應對偽碼相關接收的影響。
  6. However, the wireless communication has the shortages of error often, time delay, and limited broad because of the requirement of large amount of data flow, and high true - false ratio for the video signal. thus the ratio in wireless channel is much larger than that of the wire environment. furthermore, it has large variations with the changes of positions and directions of basement and terminals

    由於視頻業務的數據量大、對誤比特率要求高,無線通道又具有易錯、時變和帶限的特點,因此通道的誤比特率要比有線環境大得多,且隨著基站和終端位置、方向的改變而變化很大。
  7. In the subsystem of signal processing, digital sidelobe cancell block, digital pulse compress block, adaptive clutter canceller block, doppler filter and constant false alarm rate block are respectively discussed and set up. in signal processing, data in the same coherent processing interval form a matrix, and the data processing was completed based on the matrix. data are processed with the row vector or column vector respectively when needed

    在信號處理分系統中,將脈沖壓縮得到的數據在各個相干處理區間進行處理,將一個相干處理區間的數據按照不同的脈沖重復周期和不同的距離單元排列成一個矩陣,當需要實現數字脈沖壓縮時對矩陣的各行(同一個脈沖重復周期的數據)進行處理,當需要實現多普勒濾波時,就對矩陣的各列(同一個距離單元的數據)進行處理。
  8. An effect that occurs when a signal is sampled at a rate less than twice the highest frequency present in the signal. the subsequent signal recovered from the samples will not contain the high frequency component of the original signal and will display a false low frequency signal

    以低於信號中最高頻率兩倍的頻率進行信號取樣時出現的一種效應,即當由取樣狀態還原時,還原后的信號將不再含有原來信號中的高頻成分,並將顯示出虛假的低頻信號。
  9. Moreover, it extensive applied the interpret way of contrast of high low frequency sectioned to eliminate the false and retain the true in the project, avoiding drop valid signal result to irrelevant disposal way. maintain use new information, contrast old information, integrated explain to forecast favorable oil and gas concentration zone, to instruct development work of yushulin oilfield

    另外,課題中廣泛應用了高低頻剖面對比解釋方法,去偽存真,避免了處理手段不當造成的有效信號丟失,堅持客觀應用新資料、對比老資料,綜合解釋,預測有利的油氣富集區,以指導榆樹林油田的區塊優選和經濟有效開發。
  10. Space - borne radar parameters are used in simulation. base on the doppler frequency of rebound jamming signal, along - track interferometric detection scheme, which is proposed in chapter 4, is employed to detect point target rebound jamming in simulation, and the results validate the feasibility of this kind detection scheme. at last, a detailed comparison between rebound jamming and false target jamming is made

    第五章介紹了彈射式干擾原理,對干擾信號特徵及干擾效果作了具體的分析,並利用機載sar參數作了干擾模擬實驗;根據彈射式干擾信號多普勒頻率的特點,利用沿航跡雙天線干涉對消技術對彈射式點目標干擾進行檢測,分析了模擬結果;最後還將彈射式干擾與虛假圖像干擾進行了比較。
  11. After the first false start, any swimmer starting before the starting signal has been given shall be disqualified

    如果運動員第一次犯規厚第二次出發仍然搶跳,則被取消比賽資格。
  12. Digital information processing and blur intelligent identifying technology, introduced imported ic and transducer, with test and analysis par, the magnetic signal is more precise and reliable, it ' s very effective for all kinds of false coin : especially the false coin with magnetism

    數字化信息處理和模糊智能識別技術,採用進口集成電路及傳感齊,使用檢測和分析票面,磁性信號更精確,更可靠,針對各種* * * :特別是帶有磁性的超級* * * ,非常有效。
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