intermediate signal
英 [ˌɪntəˈmiːdiət ˈsɪɡnəl]
美 [ˌɪntərˈmiːdiət ˈsɪɡnəl]
网络 中间信号
双语例句
- The non-ideal characteristic of intermediate frequency signal is unfavorable for band-pass sampling and affects the performance of quadrature transform.
信号中频的非理想给带通采样有着不利影响，并影响正交变换的性能。 - Malignant tumors were usually inhomogeneous and low to intermediate signal intensity on T1WI.
恶性肿瘤信号分布不均匀，T1WI表现为低中信号。 - ICNIA general signal processor mostly is the same with general digital process of intermediate frequency and baseband signal in ICNIA system, and has interface function with major control computer.
ICNIA通用信号处理板主要目的是构造ICNIA系统中中频及基带信号的通用化数字处理平台，并完成与主控计算机之间的通信接口功能。 - The crooked intermediate signal should be considered as another abnormal cartilage sign.
T1加权像呈中等或略低信号。扭曲样中等强度信号应视为软骨的异常征象。 - The simulation results prove that the improved method has the advantages of the lower order filtering, the less system error and the smaller ripples of intermediate signal than ones of the classical method.
仿真实验对比结果表明，改进方法具有滤波阶次低、系统误差小和中间信号波动小的优点。 - Most paragangliomas showed intermediate signal intensity on T2-weighted images, and nearly all nerve-sheath tumor presented as high signal intensity on T2-weighted imaging ( P < 0.01).
T2WI上副节瘤绝大多数呈中等信号，神经鞘肿瘤绝大多数呈高信号，二者差异有显著性意义（P〈0.01）。T1WI上它们基本上都呈低信号。 - This paper discusses the sampling criteria of the intermediate frequency signal in the linear frequency modulated continuous wave radar, and analyses the spectrum leakage phenomena that exist in its discrete spectrum and the features of the maximum distinguishable range that should be limited.
本文探讨了对线性调频连续波雷达的中频信号采样所需遵循的准则，分析了其离散频谱具有的频谱泄漏现象和需要限制可分辨最大作用距离的特性。 - The solution of this problem is to use the digital quadrature sampling, that is, the direct sampling of low IF ( Intermediate Frequency) bandpass signal and through digital filter to get quadrature signals.
解决的方法是采用数字正交采样法，即对低中频带通信号直接采样并通过数字信号处理的方法来得到正交双路信号。 - The classical method of reactive power measurement based on one pair of Hilbert filters has some shortcomings such as the accuracy considerably dependent on phase-shift error, the ripples of the intermediate signal.
基于1对Hilbert移相滤波器实现的无功功率测量方法存在移相误差对测量准确度影响大、中间信号纹波较大等问题。 - In children aged 6~ 8 years, the communicating blood vessel, which connected the epiphysis with the diaphysis in the growth plate, appeared as a longitudinal tube with intermediate signal intensity, being in contrast to the surrounding fibrous tissue.
6～8岁儿童生长板内的骺、干血管交通支，因其血管周围有纤维组织呈纵行线样中等信号强度。 - Results: MR imaging directly showed the cartilage in the synovial compartment as a thin linear or dot zone of intermediate signal intensity on both T 1 and T 2 weighted images in all 16 sacroiliac ( SI) joints of the 8 volunteers.
结果：8例志愿者16个骶髂关节的T1WI和T2WI可直接显示正常骶髂关节软骨，表现为线形或点样的中等信号影。 - FPGA accomplishes intermediate frequency signal processing work and controls all the peripheral devices.
论文采用FPGA作为接收机核心器件，完成中频数字处理和对外围器件的控制； - 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。 - Radio-frequency Interferences ( RFI) take the form of chirps after mixing with the intermediate frequency signal in a chirp radar and these chirps aggravate the performance of the radar.
基于单一载频的射频干扰（RFI）在线性调频雷达中的表现形式，利用平均距离谱法获得了RFI的多普勒分布谱图。 - 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.
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 mission of the receiver front-end is converting the signal with frequency from 92 to 96 GHz, which received by the antenna to intermediate frequency signal with frequency from 8 to 12 GHz.
接收机前端的任务是将天线送来的92-96GHz高频信号变频到中频8-12GHz，要求系统有较高的灵敏度和频率稳定度。 - The Generation and Synthesis of Intermediate Frequency Signal of Ground and Sea Clutters by DDS
地、海杂波中频信号的DDS产生及合成 - The paper briefly presented the application of embedded system, ARM7+ uC/ OS-II, in the design of intermediate frequency signal simulator for radar.
探讨了基于ARM7微处理器+uC/osII构建的嵌入式系统在雷达中频信号模拟器中的应用。 - A GPS digitized intermediate frequency signal sampler was used to validate the algorithm of acquisition and tracking of software receiver.
采用GPS中频信号采样器采集实际GPS数据，对搜索和跟踪算法进行了验证。 - First of all, modulation and digital intermediate frequency reception of QPSK signal were introduced, in particular of how to change the intermediate frequency signal down to baseband.
首先介绍了QPSK接收信号的调制方式和中频数字接收机模型，详细分析了中频信号数字下变频至基带的处理过程。 - Digital signal modulation recognition is an intermediate step between signal interception and demodulation, it has been an important issue in electronic warfare, spectrum management, and software-defined radio in the past two decades.
而数字信号调制识别是信号接收与信号解调的中间过程，在过去的二十年间它一直是电子对抗、频谱管理、软件无线电等方面的重要课题。 - The algorithm based on fuzzy clustering is a new attempt in non-coherent radar intermediate frequency signal processing. So the theme of this article has both practical and theoretical values.
基于模糊聚类的算法在非相参雷达中频信号处理中是一种新的尝试，因此本选题具有一定的实用和理论价值。 - It converts the digital intermediate frequency signal down to zero intermediate frequency signal, and lessens the signal rate to the rate which the DSP processor can handle.
它将数字中频信号下变频至零中频信号，并使信号速率降至通用DSP器件能够处理的速率。 - The author designs an underground inclined winch hoisting signal control system used in mine. This system adapts MCU as signal master controller and uses intermediate relay for signal transmission, and it has functions of dotting number display, LED indication and buzzer for audio indication.
本文设计了一套煤矿井下斜巷绞车提升信号控制系统，采用单片机作信号主控制器，中间继电器作信号转换，具有打点次数显示、LED灯光指示、蜂鸣器声音提示等功能。 - According to GPS signal structure and modulation characteristics, a GPS intermediate frequency digital signal is simulated under the condition of noise environment.
根据GPS信号的结构和调制特点，加上环境噪声，模拟出GPS中频数字信号。 - Modulation classification ( MC) is an intermediate step between signal detection and demodulation, which is a technique to automatically classify the modulation type of a received signal.
调制类型的自动分类是信号检测与解调的中间环节，它是自动辨识接收信号调制类型的技术。 - Modular design bases on top-down was adopted, the whole sending processor was divided into basic units, the baseband signal was modulated into digital intermediate frequency signal.
采用自顶向下的模块化设计方法，将整个发送处理器划分为基本单元，完成将基带信号调制为数字中频信号的功能。 - Direct intermediate frequency sampling and hardware digital up/ down converter is utilized in the signal conversion module for the task of conversion between intermediate frequency analog signal and base band digital signal.
信号转换模块则使用了直接中频采样和硬件上／下变频技术等实现中频模拟信号到基带数字信号的转换任务。 - After eliminating the effect of shaping filter to the amplitude of the MPSK signals by the normalization of envelope, the signal multiplying by its shifted-conjugated, the higher order cumulants becomes applicable in the intermediate frequency signal which can only be applied in the baseband signal.
通过包络归一化消除成形滤波器对调相信号的幅度的影响，对信号进行移位共轭相乘，使仅适用于基带信号的高阶累积量可以适用于中频信号。