第二个是采用现代谱估计技术(最大熵法,最小交叉熵法)分别对雷达发射信号脉内及脉间的起伏特性进行分析。
The second is that the fluctuation spectra of intrapulse and pulse-to-pulse are estimated respectively with modern spectra estimation approaches(maximum entropy and minimum cross—entropy).
俱乐部的管理部门和教练的一脉相承和曼联的传统紧紧相连,也是曼联在过去的66年间能始终取得胜利,留在巅峰的保障。
The management and coaching of the club is closely connected with the traditions and the success over the last 66 years has been built on continuity.
水汽升腾间,氤氲出一脉悠远的茶香,散发着倾城的寂寞和深沉。
Between water vapor rising, dense tea out of a vein distant exudes loneliness and deep Allure.
射频脉间相位噪声经过微波检测电路、视频电路后变成随机起伏的视频脉冲信号。
The RF pulse-to-pulse phase noise through microwave test circuit becomes a VF pulse signal of random fluctuation.
该文提出了一种利用随机多元码脉位调制(PPM)和脉间伪随机或随机二元序列相位调制(PM)相结合的混合波形设计方法。
The design method for hybrid waveforms utilizing ran-dom poly-cell code pulse position modulation (PPM) and pulse-to-pulse binary sequences phase modulation (PM) is introduced in this paper.
结果p53、CD34在肝癌组织的表达比非癌组明显增高,且在肝癌组中伴有与不伴门脉瘤栓的两组间有统计学差别(P<0.05)。
Results The expression of P53, CD34was higher in the HCC group than in the inner group, and their expression was associated with portal vein embolus(P<0.05).
古典诗词是当代流行歌词的远祖,两者间有着一脉相承的关系,这些传承既有内容上的,也有形式上的。
The classical poetry is ancestor of contemporary popular songs and there exists a relation of call and response between them as regards both the contents and the form.
目的研究自体骨髓间充质干细胞(msc)经冠脉内注射治疗急性心肌梗死(ami)的有效性和可行性。
Objective to test the feasibility and safety of autologous bone marrow mesenchymal stem cells (MSCs) transplantation by intracoronary injection in acute myocardial infarcted pig (AMI).
研究结果显示,野生的五脉山黧豆种群根茎长度、根茎生物量、根茎节间数目、根茎分枝角度在不同密度间均有显著差异。
The conclusions show that: there are significance differences between densities about rhizome length, rhizome biomass, rhizome spacers numbers and rhizome branching angle in wild.
研究了在脉间变频格式目标雷达散射截面(RCS)测试中目标径向速度对测试结果的影响。
Object's radial velocity effect on object's radar cross section (RCS) outdoor measurement with pulse to pulse frequency shifting radar was researched.
方法回顾性分析2009年1月- 2010年1月期间在我院住院治疗的31例门脉高压性胃病患者的临床资料。
Methods: a retrospective analysis of 31 patients with portal hypertensive gastropathy from January in 2009 to 2010 in our hospital.
苏鲁超高压榴辉岩中的钛成矿作用以金红石型钛矿床为主,其中金红石以变质矿物中的包裹体、晶间颗粒或脉状形式出现。
Titanium mineralization in Sulu UHP eclogites is dominated by rutile-type deposit, where rutile occurs mainly as inclusions in metamorphic minerals, intergranular crystals or veinlets.
本文提出一个研究海洋声传输信道随机时变特性的脉间相关法。
A method of measuring correlation between signal pulses for the investigation of random time-variant properties of underwater sound channel is presented in this paper.
观察两组间的生存率及门脉癌栓的消失率。
The two groups were compared for survival rate and disappearance rate of portal vein thrombosis.
本文分析阐述了利用脉内调频、脉间跳频技术获取距离高分辨一维成像的可行性,导出了静止目标和运动目标的回波表达式。
This paper analyzes the technology with intra-pulse chirp and inter-pulse stepped frequency to obtain high-resolution range profile. The echo expressions of static and moving targets are derived.
两千年间我们的牧者一脉相传、中无断绝,在这个迷乱而受伤的世界上,他们以爱德和真理引领大公教会。
For over 2,000 years, we've had an unbroken line of shepherds guiding the Catholic Church with love and truth in a confused and hurting world.
最后,结合雷达高度表回波信号的特点,较为详细地讨论了脉间二相编码信号在雷达高度表中的应用,也给出了仿真结果。
Finally, the application of this kind of signal in the radar altimeter is discussed in detail combined with echoes characteristics of a radar altimeter, and simulation results are also given.
前言: 目的:探讨血浆纤维蛋白原水平与急性冠脉综合征间的关系。
Objective: To investigate the change in the plasma fibrinogen content and the relationship with the acute coronary syndrome.
本文结合新型体制脉内调频、脉间步进跳频雷达,分析推导了该信号形式的模糊函数。
The ambiguity function of intra-pulse chirp and inter-pulse stepped frequency signal is analyzed and obtained according to new type radar. Firstly, the expression of the signal is given.
该脉轮被称为眉间轮或第三眼的中心。
This chakra is known as the brow chakra or third eye center.
比较了脉间相干和非相干积累在宽带雷达中的性能。
The performances of Coherent Accumulation (CA) and None-Coherent Accumulation (NCA) methods are compared.
数据采集系统是射频脉冲序列脉间频率稳定度测试系统中的一部分。
Data acquisition system discussed in this paper is a part of the measurement system of pulse-to-pulse frequency stability of RF pulse trains.
该文提出利用脉间调频斜率抖动的复杂调制LFM信号,实现对数字储频欺骗干扰的抑制。
This paper puts forword a method to generate the complex modulation LFM signal using the slope wobble in different Pulse Repetition Interval (PRI).
首先简要介绍了实现距离高分辨的方法,进而分析了脉内调频脉间跳频实现距离高分辨的原理。
First, a few of ways to realize the high range resolution are briefly introduced in this paper.
首先简要介绍了实现距离高分辨的方法,进而分析了脉内调频脉间跳频实现距离高分辨的原理。
First, a few of ways to realize the high range resolution are briefly introduced in this paper.
应用推荐