shift frequency 中文意思是什麼
shift frequency
解釋
漂移頻率-
The realization of quick acquest under very low snr and big frequency shift is one of the key problems of lpi radar. we designed a new receiver which needs less computation spend without any decline of the performance of the radar
如何在較低輸入信噪比和較大頻偏的條件下實現擴頻碼快速捕獲是碼同步的難點，本文在不損失系統性能的基礎上，設計了一種結構簡單的接收機實現方案。 -
The earth's rotation and its motion around the sun add an appreciable frequency shift.
地球自轉與地球繞日公轉產生附加的頻移。 -
Jhs - d shift frequency aptitude transmitter mixer : system introduction
海之升數字移頻擴聲系統簡介： -
Jhs - m shift frequency feedback controller is made of digital shift frequency and four sect parameter balance with two routes balance and no balance input end
Ds - m數字移頻反饋控制器:海之升數字移頻反饋控制器性能簡介 -
Middle conference room six microphone : jhs - d shift frequency aptitude transmitter mixer 1 6 set conference microphone hc - 808 bigger conference room 12 set microphone jhs - d shift frequency aptitude transmitter mixer 2 12 set conference microphone hc - 808
中小會議室六支麥克風: jhs - d型移頻智能話筒混音器1臺6支會議麥克風hc - 808 -
The frequency shift keying modulation is widely used in hf digital communication
移頻鍵控是短波數字通信中常用的一種調制方式。 -
The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse doppler shift frequency changing rate. to sum up, this paper studies the key problems in soplat based on particle kinematics and some solutions to them
總而言之，本文系統地研究了基於質點運動學的單站無源定位與跟蹤領域的主要關鍵技術問題並提出了相應的解決方法，其中某些分析結果和方法可直接應用於實際的工程應用。 -
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。 -
Dsp digital shift frequency sires is new generation conference system and teaching equipment, which adopts dsp technology. it can lock the point of howl a automatically, dsp digital shift frequency and aptitude mix sound of transmitter
數字自動濾波器，數字話筒智能混音器，數字高低音調節器等多項數字化音頻處理模塊的技術優勢，解決了會議教學擴聲中的聲反饋問題，可提升話筒靈敏度 -
The example in the paper shows the efficiency of shift frequency together with inverse iteration to perform the dynamic topology optimization with frequency constrain
文中的的算例表明移頻與逆迭代法結合后對頻率約束的動力拓撲優化問題非常有效。 -
Use the import part of an apparatus and strict technique to make sure the quality. use the technology of dsp digital shift frequency, and adopt high speed of a d, d a switch electrocircuit
反饋消除技術，自動尋找反饋嘯叫頻點，液晶顯示嘯叫頻率，並自動形成數字濾波器，消除嘯叫頻率，能有效提升話筒增益 -
And then the stability and the stable error response of the dpll are analyzed. there is an obvious doppler shift frequency offset in the received signal with flight at a high speed, in the dissertation the uniform sampling second - order dpll is used to remove the frequency bias for its excellent high - pass characteristic of the error transfer function
由於高速飛行的遙測目標在接收信號中會出現較大的多普勒頻率分量，而典型均勻采樣二階數字鎖相環dpll （ digitalphase - lockedloop ）的誤差函數具有高通特性，所以本文提出一種利用其高通特性來去除多普勒頻率分量的新方法。 -
Ds - 80 - 120 - 200 - 2300 digital shift frequency sires
:反饋消除教學擴聲器 -
It is simple for shift frequency to solve the problem
我們可以通過移頻方便地解決這個問題。 -
No state of shift frequency : 10016khz
非移頻狀態： 10016khz -
State of shift frequency : 10016000hz
移頻狀態： 10016000hz -
No state of shift frequency : 2020khz
不移頻狀態： 2020khz -
Shift frequency installation
移頻工程安裝圖片 -
No state of shift frequency
不移頻狀態： -
System capability introduction of hai zhi sheng digital shift frequency teaching power amplfier
海之升數字移頻擴聲系統性能簡介：
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