編碼脈沖 的英文怎麼說
中文拼音 [biānmǎmàichōng]
編碼脈沖
英文
ccode pulse- 編 : Ⅰ動詞1 (編織) weave; plait; braid 2 (組織; 排列) make a list; arrange in a list; organize; gr...
- 碼 : Ⅰ名詞(表示數目的符號或用具) a sign or object indicating number; code Ⅱ量詞1 (指一件事或一類的...
- 脈 : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
- 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
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The transmitted information is coded into the amplitude of the pulses so that each predetermined value of pulse energy is associated with a message.
把傳輸的信息編碼成脈沖的振幅,因而使每個預先規定的脈沖能量值對應於一個信息。Pulse code modulation communication system hierarchy
脈沖編碼調制通信系統系列Characteristics of pulse code modulation for voice - frequencies
音頻脈沖編碼調制特性Adaptive differential pulse code modulation adpcm
自適應差分脈沖編碼調制Adpcm adaptive digital pulse code modulation
自適應數字脈沖編碼調制Adaptive differential pulse code modulation
自適應差分脈沖編碼調制Differential pulse code modulation
差分脈沖編碼調制差分脈碼調制Dpcm differential pulse code modulation
差值脈沖編碼調制Dpl differential pulse code modulation
差值脈沖編碼調制Pulse code modulation pcm
脈沖編碼調制脈碼調制The pulse code modulation / frequency modulation ( pcm / fm ) is widely used in most reentry remote sensing ( rrs ) system at the present time in our country
目前我國再入遙測系統主要採用脈沖編碼調制/調頻( pcm / fm )體制。At first the merits and implementation of the digital pulse compression subsystem are introduced in this paper. then the characteristics of phase coded signals are discussed and the two classic binary phase codes ? ? barker code and m - sequence are dealt with in details in the following
文中首先綜述了數字脈沖壓縮的優點及其實現方法,接著討論了相位編碼信號的特點,並詳細分析了巴克碼和m序列這兩類典型的二相碼信號。When the rf pulse is combined with magnetic field gradients, a spatially encoded signal is produced that can be detected and translated into images
當射頻脈沖與磁場梯度聯合起來時,我們可以探測到一個空間編碼信號的產生並且將它轉變成圖像。This waveform library not only contains those typical radar signals like single - carrier frequency signal, encoded signal, lfm etc, but also include many hybrid modulated signals, like fsk / psk signal, fsk / ppm signal, psk / ppm signal, pseudo - random fsk / psk signal, etc. we use visual c + + 6. 0 to implement this software program, this makes it easy in control operation and provides a nice human - machine interactive interface
波形庫中既包含了傳統的雷達波形,如單載頻脈沖信號、 lfm 、編碼信號等,又包括了復合調制波形,如fsk / psk信號、 fsk / ppm信號、 psk / ppm信號、偽隨機fsk / psk信號等。採用vc編程實現,使其具有友好的人機界面和靈活的控制操作。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。In this paper, the application of coherent phase - coded pulse train ( cpcpt ) solves range - doppler coupling well
應用相參頻率編碼脈沖串信號( cpcpt )較好地解決了距離-多普勒耦合問題。The software includes a monitor program, an initialization module, a watchdog module, a data fusion module, a can transmission module, a quadrature encoder pulse count module and an a / d interrupt service program
該系統軟體包括監控程序、初始化模塊、看門狗模塊、數據融合模塊、 can通信模塊、數字量採集模塊、正交編碼脈沖計數模塊和a d中斷服務程序。Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal
考慮到目標信息提取的相對完整性,以高頻雷達為背景,在對多載波相位編碼脈沖串信號參數設計的基礎上,推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號,在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。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。Traditional laser iff has poor security because of low frequency of laser beam coded pulse. this can be greatly improved when the pulses are modulated by continuous wave laser, but the power of this laser beam output is so low that it ’ s difficult to be detected and received by laser warning subsystem
傳統的激光敵我識別器激光編碼脈沖頻率低,通信保密性差,使用連續波激光器經調制后激光編碼脈沖頻率高,保密性好,但輸出激光功率較低,難以達到激光告警分機探測接收的要求。分享友人