脉冲多普勒雷达是一种先进的全相参体制雷达。
Pulsed Doppler radar (PD radar) is a kind of advanced radar which using coherent processing.
针对脉冲多普勒雷达的特点,指出了对其干扰的特殊性。
According to the characters of PD radar, the specialties of jamming for PD radar are pointed out.
提出了一种脉冲多普勒雷达数字信号处理机机内测试方法。
A new method of built in self testing for pulse doppler radar digital signal processor was advanced.
脉冲多普勒雷达是现代战斗机普遍采用的一种典型雷达体制。
The pulse Doppler (PD) radar is a kind of classic radar which has been furnished in the modern fighters.
脉冲多普勒雷达在信号检测时存在距离模糊和速度模糊的问题。
There exist ambiguities of range and velocity in the signal detection of pulse Doppler radar.
但是目前常规的脉冲多普勒雷达在反隐身能力方面还存在严重地不足。
But there are serious deficiencies in detecting stealth aircraft for conventional Pulse-Doppler radar.
多普勒质心估计是机载脉冲多普勒雷达dbs成像技术中最为关键的步骤之一。
Doppler centroid estimation is one of the most important steps in the DBS imaging of airborne pulse Doppler radars.
脉冲多普勒雷达的固有距离模糊,增大了多普勒滤波器组对杂波抑制能力的要求。
The inherent distance ambiguity of pulse Doppler radar increases the requirement of Doppler filter group to the clutter-suppression ability.
研究用一种中频采样和数字信号正交变换理论实现脉冲多普勒雷达信号正交采样的新技术。
The non-ideal characteristic of intermediate frequency signal is unfavorable for band-pass sampling and affects the performance of quadrature transform.
它可以实现同步拖引干扰、灵巧噪声干扰和假目标干扰的功能,能够有效的干扰脉冲多普勒雷达。
It has the functions of synchronization pulling off jamming, smart noise jamming and false target jamming, it also can jam Pulse Doppler radar effectively.
脉冲多普勒雷达是利用目标与雷达之间相对运动产生的多普勒效应实现测速功能的一种新型雷达。
Pulse Doppler radar is a new type of radar which uses the Doppler effect due to the relative movement between the object and the radar to measure the velocity of the object.
角欺骗干扰是脉冲多普勒雷达导引头十分有效的干扰方式,在时频域均难以找到其有效的抑制方法。
The angle cheating interference is very effective for the pulse Doppler radar seeker. It is difficult to find an effective suppression method of this kind of interference in time and frequency domain.
脉冲多普勒雷达是先进战斗机上广泛采用的火控攻击雷达,对这种雷达,有些理论问题仍需进一步研究。
The pulsed Doppler radar is widely adopted in modern advanced fighting aircrafts as the fire controlling radar, of which some theoretical problems are still waiting for further researching.
本文从平均模糊函数的定义出发,推导了随机脉位调制脉冲多普勒雷达信号的平均模糊函数解析表达式。
Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the RPPM pulse doppler radar signal is derived in this dissertation.
本文建立了脉冲多普勒雷达导引头仿真系统,利用该仿真系统评估了分别在压制式干扰和欺骗式干扰条件下导引头的抗干扰能力。
A pulse Doppler radar seeker simulation system is established, by using the simulation system the performance of pulse Doppler radar seeker is evaluated when jammed.
本文研究的雷达视频回波信号模拟与仿真是针对机载下视脉冲多普勒雷达,包括目标信号、地杂波信号和噪声信号的模拟与仿真。
In the thesis, the video echo of the airborne PD radar was simulated. The simulated echoes include the signals of the target, the ground clutter and the noise.
本文讨论的弹载脉冲多普勒雷达目标模拟器主要是在外场静态联试时为雷达提供模拟动态目标回波信号,以检查其截获跟踪性能。
The pulse Doppler radar simulator discussed is used to provide radar echo signals and checkout the performance of radar in an open condition.
本文回顾了已知的正交场放大管(CFA)噪声性能的实际测量数据,并且讨论了脉冲调制的CFA在脉冲多普勒雷达中的有用特性。
The known actual measured noise characteristic data of CFAs are reviewed, and the usefulness of pulse-modulated CFAs in pulsed Doppler radars are discussed in this paper.
从随机脉位调制脉冲多普勒雷达信号调制角度出发,又引入了具有类随机性的混沌信号作为其基本调制信号,性能与采用随机信号相接近。
From the point of view of the modulation of RPPM, chaotic signal with stochastic characteristics is introduced as its modulation, which has the good performance just like the random signal.
阐述了准连续波雷达的特点,并对脉冲多普勒雷达、连续波雷达和准连续波雷达进行了比较,结果表明准连续波雷达优于脉冲多普勒雷达和连续波雷达。
This paper expouds the characteristics of quasi-continuous wave(CW) radar, and compares the pulse Doppler radar with CW radar and quasi-CW radar.
由多个ADSP21060处理器组成的并行系统非常适合于雷达信号的实时处理,本文以笔者设计的脉冲多普勒雷达实时信号处理器为例对ADSP21060的应用进行了介绍。
The multiprocessing DSP systems are very fit for radar signal processing. Now we take the radar signal processor as an example to introduce the application of ADSP21060 in this paper.
针对LF M脉冲雷达的宽带回波信号的多普勒频移和时延估计问题进行了研究。
In this paper, the Doppler frequency and time-delay estimators of wideband echoes for LFM pulse radar are discussed.
描述一种被称为SZ相位编码的解距离模糊方法在脉冲多普勒气象雷达中的应用。
A method of phase code named SZ code to mitigate range ambiguity applied on a pulse Doppler weather radar is introduced.
对于使用高脉冲重复频率的主动多普勒雷达导引头,连续波近似法不仅计算相对简单,而且可以给出较高的计算精度。
For a Doppler radar homing seeker with high pulse repetition frequency, the continuous wave approximation is not only simple, but also has a high calculation accuracy.
本文讨论的是脉冲多普勒气象雷达信号处理技术,重点研究了谱矩估计和解模糊算法。
This thesis discusses the signal processing methods of Pulse Doppler (PD) weather radar, mainly studying Spectral Moments (SM) estimators and Range-Velocity (RV) ambiguity resolution methods.
动目标显示雷达中通常存在多普勒频率所引起的“盲速”现象,常采用参差脉冲重复频率的方法来克服这种不利影响。
Blind speed phenomenon due to Doppler frequency usually exists in moving target indication radar. This disadvantage affect is avoided through staggered pulse repetition frequency method.
介绍了一种C波段脉冲多普勒天气雷达接收机。
C-band pulse Doppler weather radar receiver is described in detail in this paper.
较详细介绍了一种S波段数字化脉冲多普勒天气雷达接收系统的实现。
Sband digital pulse Doppler weather radar; receiver is described in detail in this paper.
该文采用跳频脉冲信号作为成像雷达信号形式,研究了一种雷达等效转台目标距离-多普勒成像的新算法。
With adoption of the hopped-frequency pulses as a radar waveform for imaging targets, a novel algorithm for range-Doppler imaging of rotating targets is proposed.
机载脉冲多普勒气象雷达则能够用清晰的图像实时显示出飞机前方的气象状况,并及时将极端天气的报警信息提供给飞行员,以提前躲避危险。
Airborne pulse doppler weather radar could display clear colorized weather image dynamically on its screen and give pilots alarm about the extreme weather area to avoid risk betimes.
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