pseudorandom code造句
例句與造句
- M sequence is a kind of pseudorandom code
本文對(duì)m序列(即debruijn序列)進(jìn)行了研究。 - As a result , pseudorandom code acquisition and tracking , carrier recovering , error correction and decoding functions are needed in the if digital receiver
因此，其中頻數(shù)字接收機(jī)需要完成偽隨機(jī)碼捕獲跟蹤、載波恢復(fù)、糾錯(cuò)譯碼等功能。 - Uast is equipped with the complex radar system of both continuous wave pseudorandom code phase modulation and mono - pulse amplitude comparison ( crs ) , and crs measures and gets target ' s position information
在坦克超近反導(dǎo)系統(tǒng)中，裝備偽碼調(diào)相連續(xù)波與單脈沖幅度比較復(fù)合體制雷達(dá)，用于測(cè)量目標(biāo)的位置信息。 - In the end , implementation of if digital receiver unit of tdrss user transponder by the method of fpga and dsp cooperation design are completed successfully , which leads to good ds - ss if receiver design for the signal whose carrier frequency is 3mhz , pseudorandom code rate is 3mchips / s , data rate is 10kbps , frequency offset is no more 1khz , and modulation mode is bpsk
最后，完成了該中頻數(shù)字接收機(jī)設(shè)計(jì)，并對(duì)其進(jìn)行調(diào)試和測(cè)試。測(cè)試結(jié)果表明，該接收機(jī)能對(duì)載頻為3mhz ，頻偏不大于1khz ，偽隨機(jī)碼速率為3mchips / s ，信息碼速率為10kbps ， bpsk調(diào)制的直接序列擴(kuò)頻中頻信號(hào)進(jìn)行接收，基本滿足設(shè)計(jì)要求。 - This article analyses the signal characteristics of several typical cw radars , and presents the principle and application of doppler radar . as one focal point , this article researches the generation and math characteristics of pseudorandom code modulated signal , analyses the spectrum of pseudorandom code phase modulation radar signal , and presents this kind of signal ' s application in distance and speed measurement . this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally , this article elaborates the working process of crs in uast
本文分析了幾種典型的連續(xù)波雷達(dá)信號(hào)的特性，介紹了多普勒雷達(dá)的原理和應(yīng)用；研究了偽隨機(jī)編碼信號(hào)的產(chǎn)生和數(shù)學(xué)特征，著重分析了偽碼調(diào)相連續(xù)波雷達(dá)信號(hào)的頻譜，及其在雷達(dá)測(cè)距、測(cè)速方面的應(yīng)用；研究了單脈沖幅度比較體制在雷達(dá)測(cè)角中的應(yīng)用；最后，闡述了超近反導(dǎo)系統(tǒng)中復(fù)合體制雷達(dá)的工作過程。 - It's difficult to find pseudorandom code in a sentence. 用pseudorandom code造句挺難的
- The pseudorandom codes have a good autocorrelation of double - values . in recent years , to solve the problems of anti - interference and the ambiguity of range and velocity , a lot of countries do much research to change the waveform of radar signal . the most important improve is to use symmetrical pulses to interrupt frequency modulated continuous wave ( fmpcw )
早期的fmicw采用偽碼序列截?cái)?偽隨機(jī)碼具有良好的雙值自相關(guān)特性,其中最常用的是m序列截?cái)嗟膄micw 。近年來,為了解決抗干擾和測(cè)距、測(cè)速模糊問題,許多國家已對(duì)雷達(dá)信號(hào)波形的改進(jìn)進(jìn)行了研究。 - Then to meet the problem of the separate between receiving and transmitting for single - station radar system in continuous wave principle , we introduced frequency modulated interrupted continuous wave ( fmicw ) . in early days , the pseudorandom codes were often used in fmicw . usually m - sequence is used to intertupt frequency modulated continuous wave
之后,為了解決連續(xù)波體制下,單站收發(fā)共址的雷達(dá)系統(tǒng)的收發(fā)隔離問題,又普遍采用了截?cái)嗟木€性調(diào)頻連續(xù)波信號(hào)形式,叫做線性調(diào)頻中斷連續(xù)波信號(hào)( fmicw ) 。