盲檢 的英文怎麼說

中文拼音 [mángjiǎn]
盲檢 英文
blind test
  • 盲 : 形容詞（看不見東西; 瞎） blind
  • 檢 : Ⅰ動詞1 （查） check up; inspect; examine 2 （約束; 檢點） restrain oneself; be careful in one s c...
  1. Two detection methods of chirp signals are presented in the dissertation : the cyclic autocorrelation detection method and the correlation detection method of cyclic autocorrelation function. it is shown that the two methods both have an excellent performance of blind detection. the performance analyses of the two detection methods are both carried out for additive noise or multiplicative noise, and the output signal - to - noise ratio ( snr ) expressions of the two methods are also derived

    通過研究提出了兩種線性調頻信號的檢測方法?基於循環自相關函數包絡的檢測方法和基於循環自相關函數的相關函數包絡的檢測方法，兩種方法均可實現信號的盲檢測，有良好的檢測性能，文中還分析了加性噪聲及存在乘性和加性噪聲情況下兩種檢測方法的性能，推導出了輸出信噪比公式。
  2. Digitally modulated signal recognition algorithms for digital communication

    數字通信中調制方式的一種盲檢測演算法
  3. Since two patches are used, it can detect the embedded watermarks without the original host images, which makes it a blind watermarking algorithm. finally, the paper shows the further research direction in audio digital watermarking

    最後，藉助圖像數字水印中的patchwork演算法思想，提出了一種用於dct變換域的音頻數字水印方案，該技術利用兩個樣值的平均值和方差實現了水印信息的盲檢測。
  4. Secondly, we propose a multi - user detection based on kurtosis. this method can suppress not only mai ( multiple - access interference ) but also isi ( inter - symbol interference ). all needs in the detection are only the desire user ' s spreading code

    並在此基礎上，提出了一種基於峭度的盲檢測方法，這種方法不但可以抑制多址干擾mai （ multiple - accessinterference ） ，還可以抑制符號間干擾isi （ inter - symbolinterference ） ，而且在檢測時只需要期望用戶的擴頻碼信息，是一種全盲檢測方法。
  5. The blind detection, parameters estimation and recovery of spreading sequences are the main contents of ds communication counter

    直擴通信對抗包括直擴信號的盲檢測、參數估計和擴頻碼序列恢復等內容。
  6. Color vision test

    色盲檢驗表
  7. New adaptive audio digital watermarking blind algorithm based on human auditory system

    基於聽覺模型的自適應音頻數字水印盲檢演算法
  8. An audio digital watermarking blind algorithm based on quantizing mclt transformation coefficient

    變換系數的音頻數字水印盲檢演算法
  9. To deal with the problem of digital products copyright protection, an effective blind water - marking algorithm based on the wavelet transform and frequency hopping is proposed

    摘要為了有效地解決數字產品版權保護問題，提出一種基於靜止圖像小波變換域的盲檢測數字水印演算法。
  10. With the development of the electron and information technology, the blind de - spread of spread spectrum signals in non - cooperation communication has been a research hot spot. the blind detection and estimation of the chip rate and period of pseudo noise ( pn ) sequence are the precondition for the realization of blind de - spread

    隨著電子戰和信息戰技術的發展，非合作通信條件下擴頻信號盲解擴成為擴頻通信領域的研究熱點，擴頻信號pn碼速率和碼周期的盲檢測和盲估計是實現盲解擴的前提。
  11. Accordingly, the interception and radio monitoring for spread spectrum communication have been of great research interests. and the chief task is to detect and separate the ds / cdma signals hidden in the noise and interference

    相應地，擴頻通信的電子對抗和民用無線電資源監管成為非常重要的研究課題，其中對噪聲和干擾中直擴碼分多址（ ds / cdma ）信號的盲檢測和分離是首要任務。
  12. ( 2 ) presenting audio watermark blind detecting based on fast transverse filter ( ftf ) adaptive algorithm

    （ 2 ）提出了基於快速橫向濾波（ ftf ）自適應盲檢測水印演算法。
  13. In order to solve the three problems above, we present a new watermark - detecting algorithm based on ftf. we can make use of adaptive filter principle to detect watermark blindly

    為解決以上三個問題，本文提出了一種基於快速橫向濾波自適應盲檢測水印演算法，利用了自適應濾波器的原理進行水印的盲檢測。
  14. The problem of signal processing for direct - sequence code - division - multiple - access ( ds - cdma ) signal over multipath frequency - selective mobile channels is considered. a new blind receiver is proposed. without the knowledge of the multiple - access interference users spreading code and the channel characteristics, the receiver achieves blind detection with prior knowledge of only the desired users spreading code and approximate timing. by using reduced rank adaptive decorrelating filter and adaptive multipath combiner which is based on decision - directed algorithm, the receiver gets the ability to combat both fading and the near - far effect at low cost. simulation results demonstrate that the proposed receiver offers high performance

    本文研究多徑頻率選擇性衰落通道下直接序列擴頻碼分多址（ ds - cdma ）信號的處理問題，提出了一種新型的盲接收機.該接收機不需預知多址干擾用戶的擴頻碼，不需預知通道參數，只需已知期望用戶的擴頻碼和粗略的定時，就可以完成用戶的盲檢測.同時，該接收機通過降維自適應去相關濾波和基於判決指導的自適應多徑合併，來獲得低成本和良好的抗衰落、抗遠近效應性能.模擬結果驗證了本文提出的接收機的優良性能
  15. Take the hoc based blind modulation detection algorithm as an example, the relationship between the blind modulation detection algorithm and synchronization is investigated. an unproved detection algorithm robust to frequency offset is proposed which solves the problem caused by the error in carrier synchronization. how to synchronize a received signal with unknown modulation type is studied and a blind algorithm to estimate symbol timing of the signals with unknown modulation type is presented

    研究了載波同步和碼元定時同步與調制方式盲檢測演算法的關系；以自適應單載波中高階累積量調制方式盲檢測演算法為例，對于載波同步誤差引起的頻偏問題，提出一種基於頻偏穩健的mdpsk信號調制方式盲檢測演算法；對于未知調制方式信號的定時同步問題，提出一種盲定時估計演算法，該演算法可以估計mdpsk和mqam信號的定時同步信息，實現數字信號的同步分類；提出了一種基於調制方式盲檢測的自適應接收機結構，把調制方式盲檢測，信噪比估計和同步解調聯合起來進行，實現調制方式隨通道質量而自適應變化的信號的正確接收。
  16. At first, we make a summary and classify the existing blind multi - user detections till now

    文中首先分析了現有的盲檢測技術，對現有的方法進行了分類。
  17. The most important character of the next generation mobile system will be smart transmission whose function module will be implemented by smart processing unit. this paper deals with the blind detection techniques in adaptive transmission

    自適應傳輸中採用信號盲檢測技術對信號的傳輸參數進行檢測以實現收發雙方的信息互通，可以節省信令的開銷，對提高接收機的智能化水平有重要的研究意義。
  18. By posing the difference on mathematical models between blind detection and non - blind detection, we devise the sign correlation detector ( scd ) and the normalized liner correlation detector ( nlcd ) based on the laplacian distribution model and the local gaussian distribution model of the host signal respectively. a series of experiments in dct domain and dwt domain show that these two detectors are more robust than linear correlation detector ( lcd )

    基於局部最優檢測理論得到了廣義高斯分佈模型下盲檢測器的一般形式?幅度一符號相關檢測器，通過計算幅度一符號相關檢測器相對于線性相關檢測器的漸進相對效率，建立了漸進相對效率與宿主信號形狀參數之間的關系，從理論上證實了幅度一符號相關檢測器的高效性。
  19. Blind watermarking algorithm based on the wavelet and pseudo - random transform

    基於小波和偽隨機變換的盲檢測圖像水印演算法
  20. The principles of adaptive star - qam and the optimum constellation of star qam are given. in adaptive single - carrier modulation, a blind modulation detection algorithm based on higher order cumulants ( hoc ) for aqam and apsk is proposed. the excellent detection performance of algorithm is evaluated in gaussian and narrow - band rayleigh fading channel

    對自適應單載波和多載波調制中的調制方式盲檢測演算法進行了研究；在自適應單載波調制中，研究了窄帶通道下的aqam調制原理和aqam調制最佳星座圖結構；在rayleigh通道下和高斯通道下，提出一種基於高階累積量的aqam和adpsk調制方式盲檢測演算法，演算法具有良好的檢測性能。
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