keying method 中文意思是什麼
keying method
解釋
按鍵法-
Connectors for electronic equipment - tests and measurements - mechanical operation tests - test 13e : polarizing and keying method
電子設備用連接器.試驗和測量.機械操作試驗.試驗13e :偏振和關鍵方法 -
To solve this problem, this thesis will focus on investigation of the following detection methods based on the features of the dsss signal and with the binary - phase - shift - keying dsss ( dsss / bpsk ) signal as an example. 1. the power spectrum of the dsss / bpsk signal is discussed and the detection performance in each power spectrum estimation method is compared in terms of nonparametric methods, parametric methods and subspace methods in power spectrum estimation
本文針對這一問題，從dsss信號特徵出發，以二進制相移鍵控的直接序列擴頻（ dsss / bpsk ）信號為例，研究了以下檢測方法: 1 .從功率譜估計的非參數方法、參數方法和子空間方法入手，討論了通過不同類型方法估計的dsss / bpsk信號功率譜，並比較了各功率譜估計方法應用於dsss / bpsk信號檢測的性能。 -
The advantages of the modulation method omsk ( the gaussian pre - filtered minimum shift keying ) include bandwidth efficiency and constant envelope
Gsm系統中採用了gmsk調制方式， gmsk調制恆定包絡，具有較高的頻譜利用率。 -
The reseach work focused on the time delay estimation of the common practical radar singnals, including harmonics signal, chirp signal, polynomial phase signal, and phase - shift keying signal. the new algorithm for different radar signals are deduced in detail respectively, and simulation results are presented. the results proved that the new method is efficient for time delay and some other parameters estimation
正弦信號、線性調頻信號、多項式相位信號、相位編碼信號是雷達信號中常用的幾種信號，對這幾種信號的研究是雷達信號處理中非常重要的內容，也是實際工程的需要。因此，本文選擇上述幾種信號作為研究對象，對這幾種信號的時延估計演算法進行了建模和理論推導，給出了時延估計演算法的具體表達式，並進行了計算機模擬。 -
Connectors for electronic equipment - tests and measurements - part 13 - 5 : mechanical operation tests - test 13e : polarizing and keying method iec 60512 - 13 - 5 : 2006 ; german version en 60512 - 13 - 5 : 2006
測量和控制數字數據通信工業控制系統用現場總線類型10 ： profinet規范第2部分：應用層協議規范
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