pulse coding 中文意思是什麼
pulse coding
解釋
脈沖編碼-
2. applying manchester coding theory to meet the end of collision detection and codes judgment effectively. 3. using pulse position modulation ( ppm ) coding theory that is invented especially for optical communication in the air to ameliorate the system ' s performance by improving the system ' s character of pe. 4. taking good advantages of the fledged lan communication protocols and technologies to achieve a new method that has a high rate of capability to cost in building a wireless lan
論文研究中主要的創新性工作如下： 1 、提出利用光散射通信技術組建無線局域網，方便地實現了廉價而高速的局域網內微機的光互連； 2 、採用曼徹斯特編碼技術解決了光無線通信中代碼判決和碰撞檢測的技術難題； 3 、針對空氣通道的特點，利用ppm編碼技術降低通道誤碼率、改善系統性能； 4 、在光無線局域網中利用現有的成熟有線局域網協議和技術，從而保證了系統的實用性及改善了系統的性價比。 -
Second, research and analyze the feature of signal of pulse compression radar, and discuss the principle and characteristic of pulse compression technique, that are linear frequency modulation and phase coding. the above two mathematic model is constructed, and shift - frequency noise is imposed on the models, and anti - nose ability is evaluated and simulated
通過對脈沖壓縮雷達的信號特徵的研究和分析，通過研究線性調頻和相位編碼脈沖壓縮技術的原理和特點，建立了這兩種雷達的數學模型，並對此進行移頻干擾和相位編碼雷達干擾，並進行干擾性能的評估和模擬研究。 -
Pulse internal phase coding and pulse external quasi random frequency agile signal is a kind of complex signal which can avoid interference frequency band, increase system bandwidth, consequently increase the range resolution
本文所研究的脈內二相編碼脈間準隨機跳頻信號是復合信號的一種，可以避開干擾頻段，提高系統帶寬，從而提高了距離分辨力。 -
Combination pulse and frequency coding system
脈沖與頻率組合編碼制 -
Pulse coding system
脈沖編碼制 -
This thesis uses the method of pulse coding to design the determining absolute position system of maglev train and mainly includes four aspects as following : firstly, the purpose of using the locating system of maglev train is discussed. the principle and characteristics of the locating system of maglev train is detailedly introduced and analyzed. all kinds of methods for maglev locating and speed measuring are classified, compared with each other
本文主要是利用脈寬編碼感應法來設計磁懸浮列車的絕對定位系統，主要包括以下內容：首先，論述了使用磁浮列車絕對定位系統的目的；對磁浮列車絕對定位系統的原理和特點進行了詳盡的介紹和分析；對各種磁懸浮列車定位、測速方法分類，比較了它們的不同。 -
The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on
主要包括： maxwell電磁理論；發送光場模型；空間通道模型；計算機網路通信技術：無線局域網通信技術；媒體訪問控制規程（ mac ） ；載波檢測多址接入碰撞檢測規程（ csma cd ） ；曼徹斯特編碼與ppm編碼技術等。 -
We made an improvement in overcoming the defects in speech signal adaptive delta modulation ( abbr. adm ), such as slope overloading and grain noise. in this method, numerical sliding average filtering was used for filtering decoding speech signal. experiments and analyses indicate that the method makes waveforms in good agreement between the decoding of adm and the original pulse coding modulation ( abbr. pcm ) signal, and considerably improves, the playback speech quality in naturalness, legibility and under standability
針對語音信號自適應增量調制（ adm ）方式中斜率過載和顆粒噪聲缺點，提出了一種改進方法，它利用滑動平均方法對解碼后的信號進行數字濾波.試驗和分析表明，該方法使解碼后的信號波形與原脈沖編碼調制（ pcm ）波形具有很好的一致性，使再生語音質量在自然度、清晰度和可懂度方面比改進前均有較大提高 -
A high - resolution method for frequency measurement is strongly introduced in the paper, which is aim at detecting the frequency of regular and binary phase coding modulated pulse signals with high frequency precision. considering the popularity of linear frequency modulated ( lfm ) signal in electronic systems, this paper then referred a radon - stft arithmetic to calculate the carry frequency of lfm signal. both of these methods referred above are implemented in the signal if detection software
針對常規脈沖調制信號和脈內二相編碼調制信號，本文提出一種高精度的數字化測頻方法，以提高信號載頻測量精度;線性調頻信號作為一種典型的非平穩信號在各種領域應用十分廣泛，但對其載頻的數字化測量比較困難，本文利用圖像處理中的radon變換與信號時頻分析中的線性變換相結合的演算法來完成對其載頻的測量。 -
Coding pulse multiple
脈沖編碼多路系統
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