CN103759579A - Denial system - Google Patents

Abstract

The invention relates to a denial system comprising an electromagnetic wave transmitting unit, a control unit and a signal generation unit. The control unit has multiple scanning modes, such as a fixed-point mode, where sensor positioning according a target or manual positioning is performed and the electromagnetic wave transmitting unit is controlled to track the target, and a longitudinal scanning mode, where the horizontal direction of the electromagnetic wave transmitting unit is kept unchanged and areas of different distances are periodically scanned by changing a pitching angle. The denial system has the advantages that a denial system scanning mechanism automatically scans from left to right or from right to left in the transverse direction, denial beams act on targets in a wide area; in the area scanning mode, the denial system scanning mechanism regularly scans in the azimuth and pitching direction, the system is applicable to setting restricted zones or dispelling targets and is suitable for concentrated target areas; in the search mode, the system is applicable to searching targets in a certain area.

Description

A kind of defence system

Technical field

The present invention relates to that one can be used for dispersing, warning, anti-terrorism and set the multi-purpose defence systems such as specific isolated area, and specific design the multiple scan pattern of above-mentioned defence system.

Background technology

When electromagnetic wave penetrates to conductor inside, due to energy loss, decay to gradually the e of surperficial wave amplitude ^-1the degree of depth is doubly exactly the depth of penetration of Kelvin effect to conductor.It is darker that ripple enters conducting medium from surface, amplitude just less, it is less that energy just becomes, can be by conductor size and relatively judging of electromagnetic wavelength wherein.Millimeter wave (30～300GHz) seldom exists at occurring in nature, but animal (comprising people) can produce inadaptable sense to it at short notice.Due to the feature such as the skin depth of millimeter wave is little, studying its biological effect abroad and be applied to Active denial technology again.

Research shows, the energy arrival skin of millimeter wave the skin that becomes, in the 3.2mm degree of depth, as sun intermediate infrared radiation energy, cause skin surface temperature to raise, and make to be positioned at the neural sensor kickback of the subcuticle (3.2mm) of millimeter wave wave beam under irradiating, but skin is not burnt.Nerve endings under skin is very responsive to heat, and the skin temperature raising gradually causes that the mankind injure the triggering of sensor, and people produces temporary transient intolerable heated impression, and then produces the fugue reaction of instinct.

The ADS researching and developing according to above-mentioned principle is the military armament systems of active defence system Chang Zuowei for stoping or slowing down the other side's attack.Principle is at the other side personnel skin surface, to cause heat accumulation by radiation high power radio wave, people is tingled and flee from wave beam region, thereby making target lose attacking ability, is a kind of active nonlethal weapon (Non Lethal Weapons, NLW).But existing ADS system is because mode of operation is single, and electromagenetic wave radiation mode is limited, conventionally only as military use.And can not arrange flexibly according to the difference of site environment, make system power waste larger, defence effect is undesirable.

Summary of the invention

The object of the invention is, in order to solve the deficiencies such as existing defence system power waste is large, defence effect is undesirable, to have proposed a kind of defence system.

Technical scheme of the present invention is: a kind of defence system, comprise electromagnetic wave transmitter unit, control module and signal generating unit, and it is characterized in that:

Control module arranges multiple scan pattern, comprise: according to target localization sensor or manually locate and control the fixed point mode of electromagnetic wave transmitter unit tracking target, keep the inflexible mistake of horizontal direction of electromagnetic wave transmitter unit to convert vertical the sweep pattern of the angle of pitch to different distance scanning regional cycle, the inflexible conversion levels of crossing of the maintenance electromagnetic wave transmitter unit angle of pitch is swept pattern towards the pattern of sweeping away to different directions scanning regional cycle and by the angle of pitch and the direction realization of collaborative conversion electromagnetic wave transmitter unit to the district of specific region intermittent scanning;

Signal generating unit is connected with control module, for storing default sweep signal.

Further, the above-mentioned vertical pattern of sweeping is by vertically sweeping low-speed mode, vertically sweeping middle fast mode and vertically sweep fast mode and form; Wherein, the vertical luffing angle of sweeping electromagnetic wave transmitter unit under low-speed mode is take 0.02 ° as step-length cycle alternation; The vertical luffing angle of sweeping electromagnetic wave transmitter unit under middle fast mode is take 0.05 ° as step-length cycle alternation; The vertical luffing angle of sweeping electromagnetic wave transmitter unit under fast mode is take 0.1 ° as step-length cycle alternation.

Further, above-mentioned sweep away pattern by sweeping away low-speed mode, sweep away middle fast mode and sweep away fast mode and form; The orientation angles of wherein, sweeping away electromagnetic wave transmitter unit under low-speed mode is take 0.1 ° as step-length cycle alternation; Sweep away the orientation angles of electromagnetic wave transmitter unit under fast mode take 0.5 ° as step-length cycle alternation; Sweep away the orientation angles of electromagnetic wave transmitter unit under fast mode take 1 ° as step-length cycle alternation.

Further, the above-mentioned district pattern of sweeping is swept low-speed mode, district by district and is swept middle fast mode and district and sweep fast mode and form; Wherein, the orientation angles that electromagnetic wave transmitter unit under low-speed mode is swept in district is take 0.1 ° as alternation while in the step-length cycle angle of pitch is take 0.05 ° as step-length cycle alternation; The orientation angles of electromagnetic wave transmitter unit under middle fast mode is swept take 0.5 ° as alternation while in the step-length cycle angle of pitch is take 0.1 ° as step-length cycle alternation by district; The orientation angles of electromagnetic wave transmitter unit under fast mode is swept take 1 ° as alternation while in the step-length cycle angle of pitch is take 0.5 ° as step-length cycle alternation by district.

Further, above-mentioned mode of operation also comprises search pattern, under described search pattern electromagnetic wave transmitter unit in work luffing angle and orientation angles by a fixed step size cyclomorphosis.

Concrete, above-mentioned search pattern forms by searching for fast mode and search fast mode in low-speed mode, search; Wherein, the orientation angles that electromagnetic wave transmitter unit under low-speed mode is swept in district is take 0.3 ° as alternation while in the step-length cycle angle of pitch is take 0.1 ° as step-length cycle alternation; The orientation angles of electromagnetic wave transmitter unit under middle fast mode is swept take 0.8 ° as alternation while in the step-length cycle angle of pitch is take 0.5 ° as step-length cycle alternation by district; The orientation angles of electromagnetic wave transmitter unit under fast mode is swept take 1 ° as alternation while in the step-length cycle angle of pitch is take 1 ° as step-length cycle alternation by district.

Further, the luffing angle of the electromagnetic wave transmitter unit of above-mentioned scan pattern and level angle are transformed to reciprocating periodic transformation.

Further, take system dead ahead horizontal line as datum line, the level angle under different scanning pattern and luffing angle excursion are:

Under fixed point mode, luffing angle adjusting range is-10 °-+30 °, and orientation angles adjusting range is-90 °-+90 °;

Vertical sweep that vertical in pattern to sweep luffing angle transformation range under low-speed mode be-10 °-+30 °, orientation angles adjusting range is-10 °-+10 °, and vertical to sweep middle fast mode nutation elevation angle degree transformation range be-10 °-+30 °, and orientation angles adjusting range is-15 °-+15 °; Indulging and sweeping middle fast mode nutation elevation angle degree transformation range is-10 °-+30 °, and orientation angles adjusting range is-30 °-+30 °;

Sweep away in pattern: sweeping away luffing angle adjusting range under low-speed mode is-1 °-+5 °, and orientation angles transformation range is-20 °-+20 °, sweeping away middle fast mode nutation elevation angle degree adjusting range is-1 °-+5 °, and orientation angles transformation range is-45 °-+45 °; Sweeping away middle fast mode nutation elevation angle degree adjusting range is-1 °-+8 °, and orientation angles transformation range is-90 °-+90 °;

District is swept in pattern in district, and to sweep luffing angle transformation range under low-speed mode be-8 °-+30 °, and orientation angles transformation range is-20 °-+20 °, and it is-10 °-+30 ° that middle fast mode nutation elevation angle degree transformation range is swept in district, and orientation angles transformation range is-45 °-+45 °; It is-10 °-+30 ° that middle fast mode nutation elevation angle degree transformation range is swept in district, and orientation angles transformation range is-90 °-+90 °.

Beneficial effect of the present invention: performance and the electromagnetic transmission characteristic of defence system of the present invention the induction degree to High-Power Microwave, equipment self according to human body, designed multiple scan control strategy (scan pattern), main by design pitching and orientation to control strategy, guarantee usefulness/efficiency performance of system, be unlikely to again human body to produce injury.Under fixed point mode wherein, the system same target of fixing irradiation all the time, follows target and moves lock onto target, is applicable to the defence of highest priority; The vertical pattern of sweeping is applicable to the target scene of arranging longitudinally, and as the scene that arrange in lane, mountain valley along the street, system scan mechanism is radially from far away and near or from automatic scan near and far away, defence wave beam acts in the target of narrow zone; The pattern of sweeping away is applicable to target in the scene of laterally arranging, as river valley, square etc.Defence system scan mechanism is along laterally from left and right or from right and left automatic scan, defence wave beam acts in the target of broad area.District sweep under pattern defence system scan mechanism along orientation, pitch orientation scans by rule, can be used for arranging forbidden zone or disperses target, is applicable to target close quarters.Search pattern can be used as searching target in certain area.

Accompanying drawing explanation

Fig. 1 is human body tolerance curve figure;

Fig. 2 be defence system different transmission power with range attenuation curve map.

The specific embodiment

Embodiments of the invention are to design according to the principle of the invention, and below in conjunction with accompanying drawing and following specific embodiment, the invention will be further elaborated.

Being illustrated in figure 1 human body illustrates electromagnetic tolerance curve, wherein abscissa represents the time (Time), unit is second, ordinate represents the temperature (Skin Temperature) of skin, unit is degree Celsius, from the extended different curve correspondence of the origin of coordinates situation of different power density/intensity (Beam Intensity), two dotted lines that are parallel to abscissa are respectively the pain threshold (can feel pain higher than this threshold value) of human body and the maximum tolerance value of pain, dermal necrosis curve is the energy density threshold (12J/cm of corresponding cutaneous necrosis (Fluence) ²) curve.By above-mentioned relation figure, can estimate and draw for short irradiation (3 seconds), for exposed region (the about 1cm of small size ²), pain threshold is approximately 1.25W/cm ²power density is 3.8J/cm corresponding to energy density ², cause 9.9 ° of skin temperature rise, if exceed the exposed region of 30cm2, this threshold value will reduce by 20% to 1.0W/cm ².It is more than the theoretical foundation of the defence system of the present embodiment.According to above-mentioned theory, the defence of the present embodiment comprises electromagnetic wave transmitter unit, control module and signal generating unit, control module arranges multiple scan pattern, comprise: according to target localization sensor or manually locate and control the fixed point mode of electromagnetic wave transmitter unit tracking target, keep the inflexible mistake of horizontal direction of electromagnetic wave transmitter unit to convert vertical the sweep pattern of the angle of pitch to different distance scanning regional cycle, the inflexible conversion levels of crossing of the maintenance electromagnetic wave transmitter unit angle of pitch is swept pattern towards the pattern of sweeping away to different directions scanning regional cycle and by the angle of pitch and the direction realization of collaborative conversion electromagnetic wave transmitter unit to the district of specific region intermittent scanning, signal generating unit is connected with control module, for storing default sweep signal.The above-mentioned vertical pattern of sweeping is by vertically sweeping low-speed mode, vertically sweeping middle fast mode and vertically sweep fast mode and form; Wherein, the vertical luffing angle of sweeping electromagnetic wave transmitter unit under low-speed mode is take 0.02 ° as step-length cycle alternation; The vertical luffing angle of sweeping electromagnetic wave transmitter unit under middle fast mode is take 0.05 ° as step-length cycle alternation; The vertical luffing angle of sweeping electromagnetic wave transmitter unit under fast mode is take 0.1 ° as step-length cycle alternation.Above-mentioned sweep away pattern by sweeping away low-speed mode, sweep away middle fast mode and sweep away fast mode and form; The orientation angles of wherein, sweeping away electromagnetic wave transmitter unit under low-speed mode is take 0.1 ° as step-length cycle alternation; Sweep away the orientation angles of electromagnetic wave transmitter unit under fast mode take 0.5 ° as step-length cycle alternation; Sweep away the orientation angles of electromagnetic wave transmitter unit under fast mode take 1 ° as step-length cycle alternation.The above-mentioned district pattern of sweeping is swept low-speed mode, district by district and is swept middle fast mode and district and sweep fast mode and form; Wherein, the orientation angles that electromagnetic wave transmitter unit under low-speed mode is swept in district is take 0.1 ° as alternation while in the step-length cycle angle of pitch is take 0.05 ° as step-length cycle alternation; The orientation angles of electromagnetic wave transmitter unit under middle fast mode is swept take 0.5 ° as alternation while in the step-length cycle angle of pitch is take 0.1 ° as step-length cycle alternation by district; The orientation angles of electromagnetic wave transmitter unit under fast mode is swept take 1 ° as alternation while in the step-length cycle angle of pitch is take 0.5 ° as step-length cycle alternation by district.Above-mentioned mode of operation also comprises search pattern, under described search pattern electromagnetic wave transmitter unit in work luffing angle and orientation angles by a fixed step size cyclomorphosis.Concrete, above-mentioned search pattern forms by searching for fast mode and search fast mode in low-speed mode, search; Wherein, the orientation angles that electromagnetic wave transmitter unit under low-speed mode is swept in district is take 0.3 ° as alternation while in the step-length cycle angle of pitch is take 0.1 ° as step-length cycle alternation; The orientation angles of electromagnetic wave transmitter unit under middle fast mode is swept take 0.8 ° as alternation while in the step-length cycle angle of pitch is take 0.5 ° as step-length cycle alternation by district; The orientation angles of electromagnetic wave transmitter unit under fast mode is swept take 1 ° as alternation while in the step-length cycle angle of pitch is take 1 ° as step-length cycle alternation by district.Luffing angle and the level angle of the electromagnetic wave transmitter unit of above-mentioned scan pattern are transformed to reciprocating periodic transformation.

Take system dead ahead horizontal line as datum line, the level angle under different scanning pattern and luffing angle excursion are as follows:

Under fixed point mode, luffing angle adjusting range is-10 °-+30 °, and orientation angles adjusting range is-90 °-+90 °.Vertical sweep that vertical in pattern to sweep luffing angle transformation range under low-speed mode be-10 °-+30 °, orientation angles adjusting range is-10 °-+10 °, and vertical to sweep middle fast mode nutation elevation angle degree transformation range be-10 °-+30 °, and orientation angles adjusting range is-15 °-+15 °; Indulging and sweeping middle fast mode nutation elevation angle degree transformation range is-10 °-+30 °, and orientation angles adjusting range is-30 °-+30 °.Sweep away in pattern: sweeping away luffing angle adjusting range under low-speed mode is-1 °-+5 °, and orientation angles transformation range is-20 °-+20 °, sweeping away middle fast mode nutation elevation angle degree adjusting range is-1 °-+5 °, and orientation angles transformation range is-45 °-+45 °; Sweeping away middle fast mode nutation elevation angle degree adjusting range is-1 °-+8 °, and orientation angles transformation range is-90 °-+90 °.District is swept in pattern in district, and to sweep luffing angle transformation range under low-speed mode be-8 °-+30 °, and orientation angles transformation range is-20 °-+20 °, and it is-10 °-+30 ° that middle fast mode nutation elevation angle degree transformation range is swept in district, and orientation angles transformation range is-45 °-+45 °; It is-10 °-+30 ° that middle fast mode nutation elevation angle degree transformation range is swept in district, and orientation angles transformation range is-90 °-+90 °.

Under fixed point mode wherein, the system same target of fixing irradiation all the time, follows target and moves lock onto target, is applicable to the defence of highest priority.The vertical pattern of sweeping is applicable to the target scene of arranging longitudinally, and as the scene that arrange in lane, mountain valley along the street, system scan mechanism is radially from far away and near or from automatic scan near and far away, defence wave beam acts on narrow zone in the target of impacting to us.The pattern of sweeping away is applicable to target in the scene of laterally arranging, as river valley, square etc.Defence system scan mechanism is along laterally from left and right or from right and left automatic scan, defence wave beam acts on broad area on our target assault target.District sweep pattern defence system scan mechanism along orientation, pitch orientation scans by rule, for forbidden zone being set or dispersing target, is applicable to target close quarters.Search pattern is used in searching target in certain area.

Be below orientation angles and luffing angle adjustment or transformation range or the step-length in the different mode different scanning speed situation that above-described embodiment is corresponding.

Table 1:

?	?	Low sweep speed	Middle sweep speed	High sweep speed
					1	Fixed point mode	Manually+automatically	Manually+automatically	Manually+automatically
2	The vertical pattern of sweeping	0.02 ° of pitching	0.05 ° of pitching	0.1 ° of pitching
					3	Sweep away pattern	0.1 °, orientation	0.5 °, orientation	1 °, orientation
4	Region mode	0.05 ° of pitching, 0.1 °, orientation	0.1 ° of pitching, 0.5 °, orientation	0.5 ° of pitching, 1 °, orientation
					5	Search pattern	0.1 ° of pitching, 0.3 °, orientation	0.5 ° of pitching, 0.8 °, orientation	1 ° of pitching, 1 °, orientation

Table 2:

By above-mentioned parameter setting, realized under each pattern, guaranteed that system effectiveness is higher and can guarantee target person safety

Figure 2 shows that the power electromagnet ripple through-put power attenuation under different distance, be used as the reference data that plant capacity is adjusted.Wherein abscissa Distance represents distance, and unit is rice (m); Ordinate Beam Intensity represents power density, and unit is W/cm ².Relation between distance and energy density under the corresponding different capacity of different curve in figure.

The principle of the present embodiment is: for the system of same peak-power limited, mean that radiated time is long, irradiation energy is high, for different dutycycles, the irradiation energy difference that defence system provides, for the system of big space rate, means that the power density being radiated in target is high, duration is long, for same sweep speed be with, scanning stepping difference, mean wave beam resident asynchronism(-nization) in target, sweep limits difference, it is different that meaning is swept to emphatically interval time of target.According to above principle, we have designed above-mentioned defence system, can fine performance system effectiveness, performance is provided, and do not injure again target.

Concrete, suppose that sweep speed is Ω, sweep limits is α, and target is θ with respect to defence system attitude angle, and wave beam is Φ, and the time that resides in target is

T ₁=Φ/θ

Flyback time is

T ₂=α/Ω

System, according to target range (can be provided by range finder) adjustment System radiant power, guarantees to be radiated under the millimeter wave power density of target T ₁and T ₂be less than the injury time (tolerating figure by people is determined).

According to Gaussian Beam Theory, there is following relation:

$d_o=\frac{\mathrm{\π}{w}_o^2}{\mathrm{\λ}}$

$w\left(d\right)={\mathrm{<figure-callout\; id="1"\; label="w\; o"\; filenames="HDA0000458917370000011.png"\; state="\{\{state\}\}">w</figure-callout>}}_o\sqrt{1+{\left(\frac{d}{d_o}\right)}^2}$

$I\left(d\right)=\frac{2P_o}{\mathrm{\&pi;}{w}^2\left(d\right)}$

Wherein: ω (d) is wave beam waist radius when distance is for d along wavefront direction apart from reflecting surface; I(d) be power density when distance is for d along wavefront direction apart from reflecting surface.

Those of ordinary skill in the art will appreciate that, embodiment described here is in order to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not depart from essence of the present invention according to these technology enlightenments disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.

Claims (8)

1. a defence system, comprises electromagnetic wave transmitter unit, control module and signal generating unit, it is characterized in that:

Control module arranges multiple scan pattern, comprise: according to target localization sensor or manually locate and control the fixed point mode of electromagnetic wave transmitter unit tracking target, keep the inflexible mistake of horizontal direction of electromagnetic wave transmitter unit to convert vertical the sweep pattern of the angle of pitch to different distance scanning regional cycle, the inflexible conversion levels of crossing of the maintenance electromagnetic wave transmitter unit angle of pitch is swept pattern towards the pattern of sweeping away to different directions scanning regional cycle and by the angle of pitch and the direction realization of collaborative conversion electromagnetic wave transmitter unit to the district of specific region intermittent scanning;

Signal generating unit is connected with control module, for storing default sweep signal.

2. defence system according to claim 1, is characterized in that, the vertical pattern of sweeping is by vertically sweeping low-speed mode, vertically sweeping middle fast mode and vertically sweep fast mode and form; Wherein, the vertical luffing angle of sweeping electromagnetic wave transmitter unit under low-speed mode is take 0.02 ° as step-length cycle alternation; The vertical luffing angle of sweeping electromagnetic wave transmitter unit under middle fast mode is take 0.05 ° as step-length cycle alternation; The vertical luffing angle of sweeping electromagnetic wave transmitter unit under fast mode is take 0.1 ° as step-length cycle alternation.

3. defence system according to claim 1, is characterized in that, the pattern of sweeping away by sweeping away low-speed mode, sweep away middle fast mode and sweep away fast mode and form; The orientation angles of wherein, sweeping away electromagnetic wave transmitter unit under low-speed mode is take 0.1 ° as step-length cycle alternation; Sweep away the orientation angles of electromagnetic wave transmitter unit under fast mode take 0.5 ° as step-length cycle alternation; Sweep away the orientation angles of electromagnetic wave transmitter unit under fast mode take 1 ° as step-length cycle alternation.

4. defence system according to claim 1, is characterized in that, district's pattern of sweeping is swept low-speed mode, district by district and swept middle fast mode and district and sweep fast mode and form; Wherein, the orientation angles that electromagnetic wave transmitter unit under low-speed mode is swept in district is take 0.1 ° as alternation while in the step-length cycle angle of pitch is take 0.05 ° as step-length cycle alternation; The orientation angles of electromagnetic wave transmitter unit under middle fast mode is swept take 0.5 ° as alternation while in the step-length cycle angle of pitch is take 0.1 ° as step-length cycle alternation by district; The orientation angles of electromagnetic wave transmitter unit under fast mode is swept take 1 ° as alternation while in the step-length cycle angle of pitch is take 0.5 ° as step-length cycle alternation by district.

5. according to the defence system described in any one claim of claim 1-4, it is characterized in that, mode of operation also comprises search pattern, under described search pattern electromagnetic wave transmitter unit in work luffing angle and orientation angles by a fixed step size cyclomorphosis.

6. defence system according to claim 5, is characterized in that, search pattern by search for low-speed mode, search in fast mode and search fast mode form; Wherein, the orientation angles that electromagnetic wave transmitter unit under low-speed mode is swept in district is take 0.3 ° as alternation while in the step-length cycle angle of pitch is take 0.1 ° as step-length cycle alternation; The orientation angles of electromagnetic wave transmitter unit under middle fast mode is swept take 0.8 ° as alternation while in the step-length cycle angle of pitch is take 0.5 ° as step-length cycle alternation by district; The orientation angles of electromagnetic wave transmitter unit under fast mode is swept take 1 ° as alternation while in the step-length cycle angle of pitch is take 1 ° as step-length cycle alternation by district.

7. defence system according to claim 5, is characterized in that, luffing angle and the level angle of the electromagnetic wave transmitter unit of scan pattern are transformed to reciprocating periodic transformation.

8. defence system according to claim 5, is characterized in that, take system dead ahead horizontal line as datum line, the level angle under different scanning pattern and luffing angle excursion are:

Under fixed point mode, luffing angle adjusting range is-10 °-+30 °, and orientation angles adjusting range is-90 °-+90 °;

Vertical sweep that vertical in pattern to sweep luffing angle transformation range under low-speed mode be-10 °-+30 °, orientation angles adjusting range is-10 °-+10 °, and vertical to sweep middle fast mode nutation elevation angle degree transformation range be-10 °-+30 °, and orientation angles adjusting range is-15 °-+15 °; Indulging and sweeping middle fast mode nutation elevation angle degree transformation range is-10 °-+30 °, and orientation angles adjusting range is-30 °-+30 °;

Sweep away in pattern: sweeping away luffing angle adjusting range under low-speed mode is-1 °-+5 °, and orientation angles transformation range is-20 °-+20 °, sweeping away middle fast mode nutation elevation angle degree adjusting range is-1 °-+5 °, and orientation angles transformation range is-45 °-+45 °; Sweeping away middle fast mode nutation elevation angle degree adjusting range is-1 °-+8 °, and orientation angles transformation range is-90 °-+90 °;

District is swept in pattern in district, and to sweep luffing angle transformation range under low-speed mode be-8 °-+30 °, and orientation angles transformation range is-20 °-+20 °, and it is-10 °-+30 ° that middle fast mode nutation elevation angle degree transformation range is swept in district, and orientation angles transformation range is-45 °-+45 °; It is-10 °-+30 ° that middle fast mode nutation elevation angle degree transformation range is swept in district, and orientation angles transformation range is-90 °-+90 °.

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