JPH0344950U - - Google Patents
Info
- Publication number
- JPH0344950U JPH0344950U JP10582889U JP10582889U JPH0344950U JP H0344950 U JPH0344950 U JP H0344950U JP 10582889 U JP10582889 U JP 10582889U JP 10582889 U JP10582889 U JP 10582889U JP H0344950 U JPH0344950 U JP H0344950U
- Authority
- JP
- Japan
- Prior art keywords
- correlation output
- correlator
- spread spectrum
- filter
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001228 spectrum Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 11
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は非線形相関器による相関出力スペクトル
図、第３図は上記実施例におけるフイルタの一構
成例を示すブロツク図、第４図は該フイルタの周
波数特性図、第５図は該フイルタの通過特性図、
第６図はｍ系列の自己相関関係を示す波形図、第
７図はコンボルバの説明図、第８図は相関スパイ
クの波形図、第９図は周波数領域における相関の
概略図、第１０図は時間領域における相関出力波
形図、第１１図は従来のスペクトラム拡散受信機
を例示するブロツク図である。
１……相関器、２……参照信号生成回路、３…
…同期回路、４……データ復調回路、５……フイ
ルタ。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is a correlation output spectrum diagram of the nonlinear correlator, Fig. 3 is a block diagram showing an example of the configuration of the filter in the above embodiment, Fig. 4 is a frequency characteristic diagram of the filter, and Fig. 5 is a passage through the filter. Characteristic diagram,
Figure 6 is a waveform diagram showing the autocorrelation of m-series, Figure 7 is an explanatory diagram of the convolver, Figure 8 is a waveform diagram of correlation spikes, Figure 9 is a schematic diagram of correlation in the frequency domain, and Figure 10 is FIG. 11, which is a correlation output waveform diagram in the time domain, is a block diagram illustrating a conventional spread spectrum receiver. 1...correlator, 2...reference signal generation circuit, 3...
...Synchronization circuit, 4...Data demodulation circuit, 5...Filter.
Claims (1)
て相関出力を得、この相関出力に基づいて同期及
びデータ復調を行うスペクトラム拡散受信機にお
いて、 上記相関器の出力側に、相関出力信号中に含ま
れる離散的な不要スペクトラム成分を除去するフ
イルタを介在せしめたことを特徴とするスペクト
ラム拡散受信機。[Claims for Utility Model Registration] In a spread spectrum receiver that obtains a correlation output by a correlator that correlates a received signal and a reference signal, and performs synchronization and data demodulation based on this correlation output, the output of the correlator A spread spectrum receiver characterized in that a filter for removing discrete unnecessary spectrum components contained in a correlation output signal is interposed on the side thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10582889U JPH0344950U (en) | 1989-09-08 | 1989-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10582889U JPH0344950U (en) | 1989-09-08 | 1989-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344950U true JPH0344950U (en) | 1991-04-25 |
Family
ID=31654584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10582889U Pending JPH0344950U (en) | 1989-09-08 | 1989-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344950U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6376592A (en) * | 1986-09-19 | 1988-04-06 | Hitachi Ltd | Multiplex transmission signal reproducing device |
-
1989
- 1989-09-08 JP JP10582889U patent/JPH0344950U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6376592A (en) * | 1986-09-19 | 1988-04-06 | Hitachi Ltd | Multiplex transmission signal reproducing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69030198T2 (en) | SPECTRALLY EFFECTIVE DIGITAL FM MODULATION SYSTEM | |
| ES2009068A6 (en) | Demodulation method. | |
| ATE438960T1 (en) | WIRELESS SPREAD SPECTRUM COMMUNICATION WITH PREAMBLE PROBING GAP | |
| JPH0344950U (en) | ||
| JPH024367U (en) | ||
| DE60038484D1 (en) | METHOD AND DEVICE FOR ENERGY ESTIMATION IN A WIRELESS RECEIVER OF MULTIPLE PARTS OF A COMMON SIGNAL CAN RECEIVE | |
| JP2937578B2 (en) | Spread spectrum communication equipment | |
| WO2003014762A3 (en) | A signal separating system | |
| JPH0478835U (en) | ||
| JPH01106962U (en) | ||
| JPH0379520U (en) | ||
| JPH03107840U (en) | ||
| JPS6277938U (en) | ||
| JPH02147943U (en) | ||
| JPS62117858U (en) | ||
| JPS6258930U (en) | ||
| JPH0285382U (en) | ||
| JPH03107839U (en) | ||
| JPH0394852U (en) | ||
| JPH01171142U (en) | ||
| KR930020885A (en) | Direct Spread Communication Multiple Access Circuits | |
| JPS62116407U (en) | ||
| JPS60186733U (en) | car radio | |
| JPH036335U (en) | ||
| JPH0476725U (en) |