intermediate frequency signal中文是什么意思
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用"intermediate frequency signal"造句"intermediate frequency signal"怎么读"intermediate frequency signal" in a sentence
中文翻译手机版
- 中频信号
- "intermediate frequency"中文翻译 【无线电】中频。
- "signal"中文翻译 n. 1.信号,暗号;信号器。 2.动机,导火线 (fo ...
- "intermediate-frequency signal" 中文翻译 : 中频信号
- "zero intermediate frequency signal" 中文翻译 : 零中频信号
- "intermediate signal" 中文翻译 : 中途标志
- "frequency, intermediate (if)" 中文翻译 : 中频
- "if ( intermediate frequency )" 中文翻译 : 中频
- "if intermediate frequency" 中文翻译 : 中频
- "intermediate frequency" 中文翻译 : 【无线电】中频。
- "intermediate frequency if" 中文翻译 : 中频
- "frequency of signal" 中文翻译 : 信号频率
- "frequency signal" 中文翻译 : 频率信号
- "signal frequency" 中文翻译 : 信号频率
- "double intermediate signal location" 中文翻译 : 并置中间信号点
- "intermediate signal location" 中文翻译 : 中间信号位置, 中间信号点
- "intermediate video signal" 中文翻译 : 中间视频信号
- "signal intermediate repair" 中文翻译 : 信号中修
- "high-intermediate-frequency receiver" 中文翻译 : 高中频超外差式接收机
- "image intermediate frequency amplifier" 中文翻译 : 图像中频放大器
- "image intermediate frequency transformer" 中文翻译 : 图像信号中频变压器; 像信号中频变压器
- "intermediate allelic frequency" 中文翻译 : 中间等位基因频率
- "intermediate frequency amplification" 中文翻译 : 中频放大
- "intermediate frequency amplifier" 中文翻译 : 中频放大器
- "intermediate frequency amplifier gain" 中文翻译 : 中频放大器增益
- "intermediate frequency attenuator" 中文翻译 : 中频衰减器
例句与用法
- 3 . accomplished the hardware design of intermediate frequency signal processing 4 . accomplished the software design of intermediate frequency signal processing
3 .完成了中频信号处理的硬件设计。 4 .完成了中频信号处理的软件设计。 - In the digital intermediate frequency project , the intermediate frequency signal is converted to digital signal directly into the dsp chip , then it is be processed by dft
数字中频方案将中频信号直接通过a / d转换后送入dsp芯片进行dft变换,最后得到待测信号频谱的采样序列。 - By analysis of the intermediate frequency signals which through eight antennae and receiver channels , eight channels radio spatial spectrum direction finding system can reach the purpose of finding radio direction
八通道无线电空间谱测向系统通过分析经过八路天线和接收机通道以后的中频信号达到确定无线电信号方向的目的。 - In this thesis , aimed at the above - mentioned two - side problems , based on analyzing the theory of lfmcw radar ranging deeply , we implement the work of intermediate frequency signal processing
本论文针对上述两方面的问题,在深入分析lfmcw雷达测距理论基础上,在工程上完成了一部8mm毫米波线性调频连续波测距雷达的中频信号处理工作。 - Due to the hardware characteristic ' s limitation , such as the poor speed of a / d , d / a conversion and dsp process , the most part of sr system adopt middle course . that is to say , by using the special digital converter or running relevant arithmetic , it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "
由于受到硬件性能如a d 、 d a及dsp芯片处理速度的限制,目前的软件无线电系统多采用折中的实现方案,增加专用的数字变频器或者运行数字变频算法,将射频信号变频到中频,然后再进行基带信号处理,这样的软件无线电系统又被称之为“软件定义无线电” ,它并不是真正意义上的软件无线电。 - On the basis of the theory of software radio , this paper discusses how to design and develop a realtime digital signal processing system in graphic programming language on a universal hardware workbench of digital signal processing aiming at satellitic intermediate frequency signal
本文论述了基于软件无线电思想,在一个通用的数字信号处理硬件平台上,针对卫星中频信号,用美国国家仪器公司提供的开发虚拟仪器的labview平台研制开发了一个实时的数字信号处理系统。 - Simulator presented in this paper provides a direct interface for the test of shortwave communication system , which well represents various features of hf channel such as multi - path delay , rayleigh fading , doppler shift , doppler spread , gaussian noise and impulsive interference , etc . in order to realize the channel simulation for the intermediate frequency signal , we , inspired by the idea of soft - defined radio , bring forward a new design method that the channel simulator consists of several dsp chips
本文研制的仿真器提供接口直接对短波通信系统进行测试,能够全面反映短波信道的多径时延、瑞利衰落、多普勒频移、多普勒扩展、高斯噪声和脉冲干扰等特性。为了实现对中频信号的信道仿真,开发出一个结合软件无线电思想的由多个数字信号处理芯片构成的短波信道物理仿真器。 - The radio frequency receiver supports interface for instrument and base station and air interface for mobile station , and it takes the task of magnifying low noise and down - convert and digital baseband processor filtering and magnifying intermediate frequency to reverse link signal . the digital baseband processor samples the received signal after down - convert radio frequency signal to intermediate frequency signal and processes other processing and supports interfaces to computer , next sends data to computer . the gps receiver supports interface for instrument and gps system , and receives gps system signal , next it demodulates the correlative information and sends out benchmark clock signal we need
射频接收部分主要为仪器和基站、移动台提供空中接口,其主要任务是在反向链路上对接收到的射频调制信号进行低噪声放大、射频下变频变换、中频滤波放大等;数字基带部分为对接收信号变频为中频后进行a / d采样,以及其他的rsp处理并和计算机提供接口,将数据送至计算机进行后台处理、显示等; gps接收机部分为仪器和gps系统提供接口,接收gps系统信号并解调相关信息,输出所需的电文及时钟基准信息等。 - This thesis deals with design and application of a multiprocessor made of four dsps in monitoring receiver . the broadband monitoring receiver requires a kind of chip with high performance because of complicated intermediate frequency signal processing . the author selects a kind of digital signal processor called adsp21160 . during the process of design , the author uses cpld , fpga and some special cpus to finish signal , processing in the monitoring receiver . cluster multiprocessor based on vxibus made of four adsp21160 is put forward . the task distribution of four dsps is solved too . furthermore , data transition methods between chips at a high speed through link ports and chip extension mode using external port are recommended . the author debugs , emulates the program in one adsp - 21160 ez - kit lite and simulates the multiprocessor program in visualdsp + +
本文主要探讨了监测接收机中多dsp处理模块的设计与应用,宽带监测接收机的中频处理数据量大、实时性高,这样,对dsp芯片提出了很高的要求,作者通过比较选择了最适用于监测接收机的数字信号处理器adsp21160 ,并结合使用了cpld 、 fpga以及一些专用的cpu来完成监测接收机中的数据处理。作者提出了由四片adsp21160组成的簇式多dsp处理模块的结构并配以了vxi总线,论述了簇式结构的特点,解决了多dsp处理模块中四片adsp21160的任务分配问题。 - When the cur - cuit resets , the chip remains accepting state , works in burst mode , and adopts dpsk modulation mode . it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted , then down - converses , despreads and demodulates . the demodulated baseband signal will be sended into scm to dispose through interrupt
上电复位后,芯片处于接收状态,工作在突发模式下,采用dpsk调制方式,将ad9057转换完的中频信号进行复正交取样后下变频、解扩、解调,通过中断将解调完的基带信号送入单片机处理;处于发送状态时,可将数据扩频、调制,经ad9768送出。
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相关词汇
metastable intermediate 中文, intermediate condition 中文, alloy intermediate 中文, intermediate nucleus 中文, intermediate planning 中文, intermediate uveitis 中文, intermediate disc 中文, intermediate clearence 中文, intermediate relay 中文, intermediate frequency power system 中文, intermediate frequency preamplifier 中文, intermediate frequency receiver 中文, intermediate frequency rejection factor 中文, intermediate frequency rejection ratio 中文, intermediate frequency stage 中文, intermediate frequency switching 中文, intermediate frequency therapy apparatus 中文, intermediate frequency transformer 中文,
相邻词汇
- intermediate frequency power system 中文
- intermediate frequency preamplifier 中文
- intermediate frequency receiver 中文
- intermediate frequency rejection factor 中文
- intermediate frequency rejection ratio 中文
- intermediate frequency stage 中文
- intermediate frequency switching 中文
- intermediate frequency therapy apparatus 中文
- intermediate frequency transformer 中文
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