儀器簡介：

1978年，世界上**臺(tái)SAR測量儀器誕生于Motorola公司

90年代開始出現(xiàn)商用SAR測量儀

2003年3月21日IEEE 對(duì)SAR測量方法做了新規(guī)定（IEEE P1528/D1.2） 。同年，EMF Safety公司根據(jù)此標(biāo)準(zhǔn)由漢城大學(xué)Gimm教授同Motorola當(dāng)年設(shè)計(jì)**臺(tái)SAR測量儀器的工程師主持，改進(jìn)推出了ESSAY－3型SAR測量系統(tǒng)。

技術(shù)參數(shù)：

場強(qiáng)測量探頭：

Body Materials Dielectric constant 2.5 measured at 10 GHz， loss tangent 0.0004 measured at 10 GHz

Dimensions 30.0 cm length， body diameter 9.5 mm

Sensors Gold plated Schottky diode

Connector Miniature 7 pins

Dipole length 2.0 mm

O.D. tip 4.0 mm

Offset 2.0 mm typical

Frequency band 10 MHz to 10 GHz

Spatial resolution ≤ 25 mm3

Impedance ≈2 ㏁

Angular response ±0.2 dB (isotropy)

Dynamic range 2 mW/kg ~ 100 W/kg

機(jī)器人：

Robot type Vertically articulated robot

Degree of freedom 6 axes

Test Payload 6 kgf (Weight of amplifier housing and robot arm in ESSAY 3 is less than 1 kg.)

Position repeatability < 0.01 mm with full payload

Motor type DC servo motor

Body weight 58 kg

體模：

SAM Phantom (separated left and right)

Material Relative permittivity less than 5 and loss tangent less than 0.05

Phantom shell 2 mm thickness with tolerance of less than ±0.2 mm with respect to the SAM CAD file

Flat Phantom

Material Relative permitivity less than 5 and loss tangent less than 0.05

Thickness of bottom 2 mm

Size 42 cm(W) X 36 cm(D) X 19 cm(H) following IEEE std 1528- 200X & IEC 106/24/CD

待測設(shè)備位置控制器：

移動(dòng)電話夾具能夠按要求將移動(dòng)電話進(jìn)行定位，傾斜角度的誤差容限為±1°。移動(dòng)電話夾具由低損耗、 低介電常數(shù)的材料制成， 即： tan(δ)≤0.05，ε≤5。

主要特點(diǎn)：

滿足**標(biāo)準(zhǔn)：IEEE P1528/D1.2要求

維護(hù)費(fèi)用低