We propose a second decimation algorithm for widening the range of sweep width in the AD9874 based digital receiver.
基于AD9874 芯片的数字接收机,我们提出了一种扩展数字接收机谱宽的二次抽取算法。
The dreamboxes range from my very basic PAL receiver to devices with multiple receivers and HD-support.
Dreambox在我家里应用广泛,从基本PAL制式接收器到有多端接收和高清支持的设备。
The dynamic range and the sensitivity are the key characters of wideband digital EW receiver.
动态范围和灵敏度是宽带数字EW侦察接收机的关键性能指标。
The effective coverage range of the radio receiver is 10m. However, in some applications, the range is smaller than 10m.
无线接收器的有效覆盖范围是10米,但是在某些应用场所,覆盖范围要少于10米。
At the same time, the receiver can get the preferable quality of playing MPEG-4 files in the appointed range of time delay.
同时,接收端可以在指定的时延范围内,获得较好的MPEG- 4流播放质量。
Receiver power consumption is determined by dynamic range requirements, controlled by the relationship between the noise floor and the maximum expected signal.
接受器的功耗主要由动态范围的要求确定,由噪底和最大预计信号间的关系确定。
A fixed device that sends or receives, amplifies, alters, and returns a radar signal, permitting a distant receiver to determine its bearing and sometimes its range.
一种发射、接收、放大、改变并返回雷达讯号的固定装置,允许远处的接收者测定它的情况,有时还有范围。
In digital IF receiver based on IF sampling technology, one important issue of system design is how to realize wide instantaneous dynamic range, when the available digits of AD converter is limited.
在基于中频采样技术的数字中频接收机中,怎样在AD变换器位数受限的情况下实现较大的系统瞬时动态范围是系统设计中的一个重要问题。
A design of tracking receiver of radar with high dynamic range is offered in this paper. Characteristics of the design are also introduced.
给出了一种典型三路跟踪接收机的大动态范围设计,介绍了此方案的特点。
The article gives a design scheme of linear laser receiver with narrow pulse width and large dynamic range which is proved to be effective in a practical project.
提出了一套线性接收系统的设计方案,特点是动态范围大、脉冲宽度窄。依据此方案设计出来的接收机在实用中显示出了良好的性能。
As the key component of optical receiver, design of a high-speed limiting amplifier with high gain, broadband and a wide dynamic input range is required.
作为光接收机前端的关键部分,限幅放大器要求具有高增益,足够带宽以及较宽的输入动态范围。
This paper analyzes the possible reasons of monopulse radar losing targets at approach point. It is the first time that the concept of receiver mutual dynamic range is proposed.
分析了单脉冲雷达跟踪过航捷目标丢失的原因。首次提出了接收机互动态范围的概念。
Three subjects-UWB radar antenna, UHF/VHF band receiver noise temperature, and the target detection from background, which are main factors in UWB SAR range equation, are studied.
从超宽带雷达天线、UHF/VHF波段接收机噪声温度以及最小可检测的信噪比三个方面研究了超宽带合成孔径雷达方程。
The principle of the decorrelated pseudo range approach is presented. A weighted mean tracking error estimator is designed to estimate the GPS receiver code loop tracking error.
介绍了伪距解除相关法的原理,设计了一种加权平均跟踪误差估计器,用以估计GPS接收机码环跟踪误差。
Gain control can increase the dynamic range of the receiver, and to prevent strong signals cause overload.
增益控制可以增大接收机的动态范围,防止强信号引起过载。
Dynamic range and sensitivity are the key characters of broadband digital receiver.
动态范围和灵敏度都是宽带数字接收机的关键性能指标。
The test results showed that the eventual realization of the design of the system dynamic range requirements, so that the receiver performance can be guaranteed.
测试结果表明本次设计最终实现了系统所要求的动态范围,并且使接收机的性能指标得到保证。
JDAM-equipped bombs are guided by an integrated inertial guidance system coupled to a Global Positioning system (GPS) receiver, giving them a published range of up to 15 nautical miles (28km).
配备JDAM的炸弹,是由一惯性导引组合系统,耦合到全球定位系统(GPS)接收器来导引,赋予其高达15海里(28公里)公布的范围。
In order to receive the echo of the underwater target, a method to design a kind of high precision, wide dynamic range, general receiver is presented in this paper.
为了接收水下目标反射回波,研究并设计了一种高精度、大动态范围的通用水声接收机。
The receiver has short pullin time, large dynamic range, wide tracking range and small zero drift.
研制成的中频跟踪遥测接收机具有捕获时间短、动态范围大、跟踪范围较宽、零点漂移小的特点。
Because of the LPI radar's large time-bandwidth product, UWB radar has a high processing gain to cancel the advantage of the intelligence receiver at intercept range.
由于LPI雷达具有大时间带宽积,故超宽带雷达具有高处理增益而抵消侦察接收机在侦察距离上的优势。
The digital very narrow-bandwidth Phase-Locked Loop(PLL) is designed and realized for the digital range and velocity measurement receiver.
本文正是为数字化测速测距接收机设计并实现全数字化超窄带锁相环。
The target echo of passive radar based on FM signal has the characteristics of low SCR and narrow band. Only the receiver with large dynamic range can receive the weak echo signal.
基于FM信号的无源雷达目标回波信号信杂比低,频带窄,只有开发大动态范围的接收机才有可能接收到微弱的目标散射信号。
Modern receiver is in pursuit of big dynamic range, good linearity, and high sensitive and so on. That extremely promotes the development of the receiver.
对于接收机的线性度、动态范围、灵敏度、抗干扰能力、适应性等方面的性能指标也提出了越来越苛刻的要求。
Its difficult to maintain the multi-band receiver because of its wide frequency range and high integration, for which the usual intelligent detector is very complex.
多波段接收机覆盖频段宽,集成度高,维修保障难度大,采用智能故障诊断时的结构复杂,文章介绍的故障层次分类结构可大大提高智能诊断系统的工作效率。
The dynamic range of received signal has become the important measurement index of receiver baseband performance.
接收信号动态范围已成为衡量接收基带性能的重要指标。
Then, it introduces the applications of the IF sampling in radar signal processing, and the over sampling and noise shaping techniques and FFT to improve the receiver dynamic range technology.
其次,介绍了中频采样在雷达信号处理中的应用和过采样技术及其噪声整形、FFT提高接收机动态范围的技术。
Then, it introduces the applications of the IF sampling in radar signal processing, and the over sampling and noise shaping techniques and FFT to improve the receiver dynamic range technology.
其次,介绍了中频采样在雷达信号处理中的应用和过采样技术及其噪声整形、FFT提高接收机动态范围的技术。
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