Radar target simulator专利检索-航空电子航空电子专利检索查询-专利查询网

Radar target simulator

阅读：650发布：2023-06-19

专利汇可以提供Radar target simulator专利检索，专利查询，专利分析的服务。并且Apparatus is disclosed which simulates the operation of a plurality of radar transmitters so as to permit an evaluation of electronic countermeasure equipment. The system generates sequences of pulsed radio frequency signals whose carrier frequency, modulation, amplitude and power lever are controllable to realistically reflect the signal conditions which may be encountered by an aircraft when a multiplicity of radar emitters are operating simultaneously in its vicinity.，下面是Radar target simulator专利的具体信息内容。

权利要求

2. Apparatus for simulating the performance of a plurality of radar transmitters which are operating in a particular scanning mode comprising, in combination, an S-band, C-band and X-band oscillator, each of said oscillators being under the control of a Gaussian noise source such that the output signal of each oscillator is a continuous signal whose frequency randomly varies about a median value; means for coupling the output signal of each oscillator to one input of a PIN diode; means for generating a first sequence of pulses whose interpulse spacings show a jitter effect such that these pulses occur at irregular time intervals; means for feeding said sequence of pulses to the control electrode of each PIN diode whereby corresponding radio frequency pulses at said S, C and X-bands appear in the output circuit of each PIN diode; means for controlling the amplitude of said radio frequency pulses such that each sequence of radio frequency pulses correspond to the radio frequency pulses that are radiated in a particular direction by a radar set whose antenna has a particular scanning pattern; a network of signal attenuating means; and means for coupling one of said particular pulse sequences to said network whereby said particular pulse sequence may be subjected to variable amounts of attenuation before being coupled to the electronic countermeasure equipment that is to be tested.

3. In an arrangement as defined in claim 2, means for producing a sequence of amplified radio frequency pulses at said S, C and X-bands, said amplified radio frequency pulses also having irregular time intervals between pulses; means for controlling the relative amplitudes of said amplified radio frequency pulses so as to have these pulses correspond to the radio frequency pulses that are radiated in a particular direction by a radar set whose antenna has a particular scanning pattern; and means for selectively coupling said amplified pulse sequence to said network of signal attenuating means.

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Radar target simulator

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