With the rapid development of satellite navigation technology, the application fields of GNSS receivers are also extendi......

With supporting of National Natural Science Foundation,Academy of Space Electronic Information Technology(ASEIT)is devel......

In this paper,GNSS receiver dynamic accuracy verification environment is constructed.High precision trigger time recordi......

本文主要分析影响某弹道测量与修正雷达系统测角精度的误差因素.主要从以下几个方面入手:对流层折射误差、基线测量(加工)精度、接......

With the increase activities in space,the demand for navigation capability of space vehicles is also been stressed impor......

Ice desorption is the main mechanism causing the release of complex molecules from solid to gas phase in star forming re......

BER measures the accuracy of data transmission within specified time,which is an important parameter to evaluate the per......

With the development of lunar and deep-space exploration, science data acquired by space probe increases drastically whi......

为实现对激光雷达回波峰值的测量, 介绍了一种应用于激光雷达接收机的回波峰值检测量化电路, 采用对电压回波脉冲采样保持的方法配......

Tanlu fault zone(TLFZ)is the largest active fault zone in eastern China.It is characterized by complex tectonic evolutio......

We performed a bioinformatics analysis with validation by multiple databases,aiming to evaluate the diagnostic and progn......

　　For the purpose of improving the range resolution of SAR system under the existing technical conditions,multi-channe......

On the basis of the theory of vehicle-track coupling dy-namics and noise radiation and propagation,a model ofwheel/rail ......

In our study we collected the teleseismic record of 31 broadband stations and 9 PASSCAL stations in West Yunnan, as well......

The acoustic tools widely used in borehole well logging and being developed in borehole acoustic reflection imaging do n......

In this article, numerical modeling of borehole radar for well logging in time domain is developed using pseudo-spectral......

Objectives:Lao Juan(LJ,劳倦) is a syndrome described in Chinese medicine(CM) that manifests with fatigue,fever,spontaneo......

AIM:To study the diagnostic value of controlled attenuation parameter(CAP),evaluated by transient elastography,for liver......

AIM: To analyze therapeutic changes in Crohn’s disease(CD) patients following video capsule endoscopy(VCE) and to asses......

Intestinal ischemia is common after emergency gastrointestinal or cardiovascular surgery.At present,there are no diagnos......

In recent years,dual-homed topologies have appeared in data centers in order to offer higher aggregate bandwidth by usin......

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作为“国球”的这项竞技运动,不必多说了吧!相信你也是个中好手,下次和同学切磋球艺的时候,不妨在欢笑声中加点“国际的味道”。 ......

首次对微波接收机的相噪进行了理论建模,并提出了一种基于光子技术的新型微波接收机,该接收机采用微波光子链路来代替电缆,使用光......

为适应海洋可控源电磁法现场数据采集的需求,海底电磁采集站必须解决低噪声、低时漂和低功耗等一系列技术难题。目前,现有的采集站......

The reverse flow diverter (RFD) consisting of a nozzle and a diffuser is a key component in pneumatic pulse jet pumps. W......

AIM: To investigate extravascular lung water indexed to predicted body weight(EVLWIp) and actual body weight(EVLWIa) on ......

The reported prevalence of autism spectrum disorder(ASD) has been increasing rapidly in many parts of the world. However......

The aim of this study was to prospectively assess the accuracy gain of Bayesian analysis-based computeraided diagnosis(C......

AIM:To obtain the diagnostic performance of percutaneous transthoracic needle biopsy(PTNB) under Computed tomography(CT)......

目的:探讨支气管肺泡灌洗液(bronchoalveolar lavage fluid,BALF)及呼出气冷凝液(exhaled breath condensate,EBC)中的可溶性髓系......

Due to the recent system developments for the electromagnetic characterization of the subsurface, fast and easy acquisit......

An optical implementation of CMOS/SEED optoelectronic integrated crossbar interconnection network is reported. The CMOS/......

The filter mechanism of a tunable filter with narrow band in bulk semiconductor laser amplifier (SLA) is analyzed, whic......

Optoelectronic smart pixels with hybrid integration of GaAs/AlGaAs multiple quantum well (MQW) detectors and modulators......

目的 回顾分析瑞金医院内分泌科近5年怀疑原发性醛固酮增多症患者的资料,用受试者工作特征( receiver operating characteristic,R......

Twenty broadband seismographs were deployed along Hongyuan, Sichuan to Wuwei, Gansu. 81 teleseismic events were recorded......

A novel hybrid approach for earthquake location is proposed which uses a combined coarse global search and fine local in......

Teleseismic P-wave receiver functions at 20 broadband seismic stations in the Longmenshan fault zone (LMFZ) and its vici......

ＡＤＭ３３１１Ｅ是美国ＡＮＡＬＯＧ ＤＥＶＩＣＥＳ公司出品的具有三个驱动器和五个接收器的收发器。它可用于尖峰噪声较大的环境，也适用于ＲＳ—２３２需要经常被插拔的场合。介绍了该......

Static Coulomb stress change induced by earthquake slip is frequently used to explain earthquake activities and aftersho......

Methods One hundred and twenty-eight patients with essential hypertension and 71 patients with primary aldosteronism wer......

As for any device or network where the frequency response characteristics are desired, the procedure is to use a sweep ......

Moho depth and crustal average Poisson’s ratio for 823 stations are obtained by H-? stacking of receiver functions. The......

After M_W 7.8 Nepal earthquake occurred, the rearrangement of stresses in the crust commonly leads to subsequent damagin......

A three-dimensional local-scale P-velocity model down to 25 km depth around the main shock epicenter region was construc......

在申请举办2000年奥运会的竞争中,北京仅以一票之差输给了澳大利亚的悉尼,但这也许并非坏事。要知道,悉尼至今还在为四年前奥运场......

We firstly review the efforts in the literature on ultra-wideband (UWB)-over-fiber systems. Secondly,we present experime......

By deducing the distribution of the normalized channel covariance matrix,a novel limited feedback scheme is proposed und......

The performance of singular value decomposition (SVD)-based multiple-input multiple-output (MIMO) with adaptive modulati......